:root {
  --primary: #1a365d;
  --accent: #c53030;
  --success: #276749;
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #2d3748;
  --muted: #718096;
  --border: #e2e8f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}
.urgent-banner {
  background: #c53030;
  color: white;
  text-align: center;
  padding: 0.85rem 1rem;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.35;
}
header {
  background: linear-gradient(135deg, #1a365d, #2b6cb0);
  color: white;
  padding: 1.3rem 1rem;
  text-align: center;
}
header h1 { font-size: 1.45rem; margin-bottom: 0.3rem; }
header p { opacity: 0.9; font-size: 0.92rem; }
.auth-status {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  background: rgba(255,255,255,0.15);
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
}
nav {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  position: sticky;
  top: 0;
  z-index: 40;
  overflow-x: auto;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
nav a {
  color: var(--primary);
  text-decoration: none;
  margin-right: 1rem;
  font-weight: 600;
  font-size: 0.88rem;
}
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.2rem 1rem 3rem;
}
section {
  background: var(--card);
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.15rem;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
h2 {
  color: var(--primary);
  font-size: 1.22rem;
  margin-bottom: 0.6rem;
  border-bottom: 2px solid #bee3f8;
  padding-bottom: 0.3rem;
}
ul, ol { padding-left: 1.3rem; margin: 0.5rem 0 0.8rem; }
li { margin-bottom: 0.35rem; }
.info-card {
  background: #ebf8ff;
  border: 1px solid #90cdf4;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin: 0.8rem 0;
}
.info-card.danger { background: #fff5f5; border-color: #fc8181; }
.info-card.warning { background: #fffaf0; border-color: #f6ad55; }
.info-card h4 { margin-bottom: 0.3rem; color: var(--primary); }
.countdown-box {
  margin-top: 1rem;
  padding: 1rem;
  background: #f7fafc;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.countdown-box input[type="date"] {
  padding: 0.4rem 0.6rem;
  margin: 0.4rem 0.5rem 0.4rem 0;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.countdown-display {
  margin-top: 0.7rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}
.upload-zone {
  border: 2px dashed #a0aec0;
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  background: #f7fafc;
  cursor: pointer;
  margin: 0.8rem 0;
}
.upload-zone.dragover {
  border-color: var(--primary);
  background: #ebf8ff;
}
.upload-list {
  margin: 0.8rem 0;
}
.upload-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.7rem;
  background: #f7fafc;
  border-radius: 6px;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}
.upload-item img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
}
.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}
.btn:hover { background: #2c5282; }
textarea {
  width: 100%;
  padding: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
  resize: vertical;
}
.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
}
.checklist input { margin-top: 0.25rem; }
.progress {
  background: #edf2f7;
  border-radius: 999px;
  height: 10px;
  margin: 0.7rem 0 0.3rem;
  overflow: hidden;
}
.progress-bar {
  background: var(--success);
  height: 100%;
  width: 0%;
  transition: width 0.25s ease;
}
.contact-list { list-style: none; padding-left: 0; }
.contact-list li {
  background: #f7fafc;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.contact-list strong { display: block; color: var(--primary); }
.hotline {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0.15rem 0;
}
.note { font-size: 0.88rem; color: var(--muted); margin-top: 0.5rem; }
footer {
  text-align: center;
  padding: 1.3rem 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
@media (max-width: 600px) {
  header h1 { font-size: 1.25rem; }
  nav a { margin-right: 0.7rem; font-size: 0.82rem; }
}