:root {
  --cream: #FBF8F3;
  --warmBrown: #8B7355;
  --softBrown: #C4A77D;
  --lightBrown: #E8DCC8;
  --gentle: #F5EDE4;
  --accent: #D4A574;
  --deepBrown: #6B5344;
}

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

body {
  font-family: 'Noto Serif SC', serif;
  background-color: var(--cream);
  background-image:
    radial-gradient(ellipse at 20% 80%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 167, 125, 0.08) 0%, transparent 50%);
  color: var(--warmBrown);
  line-height: 1.7;
  min-height: 100vh;
}

.font-hand {
  font-family: 'Ma Shan Zheng', cursive;
}

.font-serif {
  font-family: 'Noto Serif SC', serif;
}

.paper-texture {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

.warm-glow {
  box-shadow: 0 0 60px rgba(212, 165, 116, 0.15);
}

.card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(232, 220, 200, 0.3);
  border-radius: 1.5rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(139, 115, 85, 0.12);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--softBrown) 100%);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 165, 116, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--warmBrown);
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--softBrown);
  cursor: pointer;
  font-family: inherit;
}

.btn-outline:hover {
  background: var(--softBrown);
  color: white;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float-animation {
  animation: float 4s ease-in-out infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 3rem 0;
}

.divider-line {
  height: 1px;
  width: 4rem;
  background: linear-gradient(to right, transparent, var(--lightBrown));
}

.divider-line-reverse {
  background: linear-gradient(to left, transparent, var(--lightBrown));
}

.divider-star {
  color: var(--accent);
  font-size: 1.25rem;
}

.nav-link {
  position: relative;
  color: var(--warmBrown);
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-size: 2rem;
  color: var(--warmBrown);
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--softBrown);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gentle);
  color: var(--warmBrown);
  border-radius: 1rem;
  font-size: 0.8rem;
  margin: 0.25rem;
}

.tag-accent {
  background: linear-gradient(135deg, rgba(212, 165, 116, 0.15) 0%, rgba(196, 167, 125, 0.15) 100%);
  color: var(--accent);
}

.avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--lightBrown);
}

.avatar-lg {
  width: 6rem;
  height: 6rem;
}

.qr-container {
  background: white;
  padding: 1.5rem;
  border-radius: 1.5rem;
  box-shadow: 0 8px 30px rgba(139, 115, 85, 0.1);
  border: 1px solid rgba(232, 220, 200, 0.3);
  display: inline-block;
}

.qr-container img {
  width: 12rem;
  height: 12rem;
  border-radius: 1rem;
}

/* ========== Article Modal ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--cream);
  border-radius: 1.5rem;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(107, 83, 68, 0.2);
  border: 1px solid var(--lightBrown);
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: white;
  border: 1px solid var(--lightBrown);
  color: var(--warmBrown);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 10;
}

.modal-close:hover {
  background: var(--gentle);
}

.modal-cover {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 1.5rem 1.5rem 0 0;
}

.modal-body {
  padding: 2rem;
}

.modal-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gentle);
  color: var(--accent);
  border-radius: 1rem;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.5rem;
  color: var(--warmBrown);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.modal-meta {
  color: var(--softBrown);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
}

.modal-text {
  color: var(--deepBrown);
  line-height: 1.8;
  font-size: 1rem;
  white-space: pre-wrap;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .card {
    padding: 1.5rem;
    border-radius: 1rem;
  }

  .modal-body {
    padding: 1.5rem;
  }

  .modal-title {
    font-size: 1.25rem;
  }
}