/* ============================================================
   Huaguo Mount — Shared Styles
   ============================================================ */

/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Design Tokens --- */
:root {
  --color-primary: #6366f1;
  --color-primary-end: #8b5cf6;
  --gradient-primary: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-end)
  );

  --color-text: #1a1a2e;
  --color-text-secondary: #4b5563;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;

  --color-bg-start: #f0f4ff;
  --color-bg-mid: #faf5ff;
  --color-bg-end: #fff5f5;

  --color-card-bg: rgba(255, 255, 255, 0.75);
  --color-card-border: rgba(255, 255, 255, 0.6);

  --radius-card: 16px;
  --radius-badge: 999px;
  --radius-number: 8px;

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.08);

  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* --- Base --- */
body {
  font-family: var(--font-sans);
  line-height: 1.75;
  color: var(--color-text);
  background: linear-gradient(
    135deg,
    var(--color-bg-start) 0%,
    var(--color-bg-mid) 50%,
    var(--color-bg-end) 100%
  );
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

/* --- Layout --- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

/* --- Header --- */
header {
  text-align: center;
  margin-bottom: 48px;
}

.badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-badge);
  margin-bottom: 16px;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.last-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --- Card --- */
.card {
  background: var(--color-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-number);
  margin-right: 10px;
  flex-shrink: 0;
}

.section-title {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.card p:last-child {
  margin-bottom: 0;
}

/* --- Lists --- */
.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card ul li {
  position: relative;
  padding-left: 24px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.card ul li:last-child {
  margin-bottom: 0;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.highlight {
  font-weight: 500;
  color: var(--color-text);
}

/* --- Contact Link --- */
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.contact-link:hover {
  border-bottom-color: var(--color-primary);
}

/* --- Footer --- */
footer {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .container {
    padding: 40px 16px 60px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .card {
    padding: 24px;
    border-radius: 12px;
  }
}