:root {
  --bg-start: #111827;
  --bg-end: #0f172a;
  --card-bg: #0b1220;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --accent: #22c55e;
  --button-bg: #2563eb;
  --button-hover: #1d4ed8;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  position: relative; /* 使内部水印绝对定位参照卡片 */
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(34,197,94,.6);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
  70% { box-shadow: 0 0 0 12px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

h1 {
  margin: 16px 0 8px;
  font-size: 28px;
  letter-spacing: .5px;
}

.desc {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 原倒计时样式已移除 */

.actions { margin-top: 20px; }

button {
  appearance: none;
  border: none;
  border-radius: 10px;
  background: var(--button-bg);
  color: #fff;
  padding: 10px 16px;
  font-size: 15px;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease;
}
button:hover { background: var(--button-hover); transform: translateY(-1px); }
button:active { transform: translateY(0); }

.tip {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* 原进度条样式已移除 */

.hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
}

details.reasons { margin: 16px 0 0; }
details.reasons summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  list-style: none;
}
details.reasons summary::-webkit-details-marker { display: none; }
details.reasons summary::after {
  content: "▾";
  display: inline-block;
  margin-left: 6px;
  transform: rotate(0deg);
  transition: transform .15s ease;
  color: var(--text-secondary);
}
details.reasons[open] summary::after { transform: rotate(180deg); }
details.reasons ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
}
details.reasons li { margin: 6px 0; }

@media (max-width: 420px) {
  .countdown .time { font-size: 34px; }
}

/* 卡片右下角透明“诚信”水印 */
.card-watermark {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 120px;  /* 横向徽标更清晰 */
  height: 40px;
  color: #38bdf8; /* 亮蓝提升对比度（Sky 400） */
  opacity: 0.6;   /* 提升不透明度，避免发灰 */
  filter: drop-shadow(0 0 6px rgba(56,189,248,.35)); /* 轻微光晕增强可见性 */
  pointer-events: none;
  user-select: none;
}

@media (max-width: 480px) {
  .page { padding: 16px; }
  .card { padding: 20px 18px; border-radius: 14px; }
  .status { font-size: 13px; }
  h1 { font-size: 22px; margin: 14px 0 6px; }
  .desc { font-size: 14px; line-height: 1.6; }
  .actions { margin-top: 16px; }
  button { width: 100%; padding: 12px 16px; font-size: 16px; border-radius: 12px; }
  details.reasons summary { font-size: 15px; }
  details.reasons ul { font-size: 14px; line-height: 1.6; }
  .card-watermark {
    width: 92px;
    height: 32px;
    bottom: 8px;
    right: 8px;
    opacity: 0.55; /* 移动端降低发光强度以避免刺眼 */
    filter: drop-shadow(0 0 4px rgba(56,189,248,.28));
  }
}

.card-watermark .trust-icon {
  width: 100%;
  height: 100%;
  display: block;
}