:root {
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(255, 255, 255, 0.5);
  --primary: #4338ca; /* 略微加深主色，在玻璃上对比度更高 */
  --text: #0f172a;
  --text-light: #475569;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --radius: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background-image: url('../1.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--text);
  line-height: 1.6;
  padding: 2rem 1rem;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased; /* 强制字体抗锯齿，更清晰 */
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* 标题区域玻璃面板 */
header {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1.2rem 1.5rem;
  background: var(--card-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

h1 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.8px;
  margin-bottom: 0.3rem;
  /* 移除模糊阴影，改为极淡的实色投影提升立体感 */
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.subtitle {
  color: var(--text-light);
  font-size: 0.92rem;
  font-weight: 500;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.api-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.api-selector select {
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

#api-status-text {
  font-size: 0.85rem;
  color: var(--text-light);
  transition: color 0.3s;
  white-space: nowrap;
  font-weight: 500;
}

#api-status-text.error-text { color: var(--danger); }
#api-status-text.success-text { color: var(--success); }

#api-error-details {
  margin-top: 0.5rem;
  width: 100%;
  max-width: 420px;
  text-align: left;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.2rem;
}

/* 液态玻璃卡片效果 */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card h3 {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.4rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.card .value {
  font-size: 1.05rem;
  font-weight: 600;
  word-break: break-all;
  position: relative;
  z-index: 1;
}

.card .sub {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.3rem;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 0.4rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  position: relative;
  z-index: 1;
}

.badge.success { background: rgba(209, 250, 229, 0.8); color: var(--success); }
.badge.warning { background: rgba(254, 243, 199, 0.8); color: var(--warning); }
.badge.danger { background: rgba(254, 226, 226, 0.8); color: var(--danger); }

.security-bar {
  height: 6px;
  background: rgba(226, 232, 240, 0.7);
  border-radius: 3px;
  margin-top: 0.5rem;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.security-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease, background 0.5s ease;
}

.btn {
  display: block;
  width: 100%;
  padding: 0.8rem;
  margin-top: 1rem;
  background: rgba(79, 70, 229, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
  position: relative;
  z-index: 1;
  font-weight: 500;
}

.btn:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.loading {
  text-align: center;
  color: var(--text);
  padding: 2rem 0;
  font-size: 0.9rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  margin: 1rem 0;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.error {
  text-align: center;
  color: var(--danger);
  padding: 2rem 0;
  font-size: 0.9rem;
  background: rgba(254, 226, 226, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  margin: 1rem 0;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.faq-section { margin-top: 1.5rem; }
.faq-section h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
  font-weight: 600;
}

details {
  margin-bottom: 0.6rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0.9rem;
  transition: all 0.3s ease;
}

details:hover {
  background: rgba(255, 255, 255, 0.82);
  transform: translateX(2px);
}

details:last-child { margin-bottom: 0; }

summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-light);
  font-size: 0.9rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

summary::-webkit-details-marker { display: none; }

summary::before {
  content: "+";
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  width: 1.2em;
  text-align: center;
  transition: transform 0.2s;
}

details[open] summary::before { content: "-"; }

.faq-content {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

.footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--text-light);
  font-size: 0.8rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  font-weight: 500;
}