/* ========================================
   Liana Soul - Static Web System CSS
   莉安娜灵魂展示系统 - 美艳骚气风格
   ======================================== */

:root {
  --primary: #FF2D78;
  --secondary: #FF69B4;
  --accent: #FFB6C1;
  --dark: #1a0a10;
  --dark-light: #2d1520;
  --gold: #FFD700;
  --text: #fff0f5;
  --text-muted: #ff9ec4;
  --gradient-pink: linear-gradient(135deg, #FF2D78 0%, #FF69B4 50%, #FFB6C1 100%);
  --gradient-dark: linear-gradient(180deg, #1a0a10 0%, #2d1520 100%);
  --shadow-glow: 0 0 30px rgba(255, 45, 120, 0.5);
  --shadow-soft: 0 10px 40px rgba(0,0,0,0.3);
}

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

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: var(--gradient-dark);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(26, 10, 16, 0.95);
  backdrop-filter: blur(10px);
  padding: 15px 0;
  z-index: 1000;
  border-bottom: 2px solid var(--primary);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
  flex-wrap: wrap;
  gap: 15px;
}

.nav-logo {
  font-size: 28px;
  font-weight: bold;
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 25px;
  transition: all 0.3s ease;
  font-size: 13px;
  border: 1px solid transparent;
}

.nav-link:hover, .nav-link.active {
  background: var(--gradient-pink);
  color: white;
  box-shadow: var(--shadow-glow);
}

.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 90px 30px 50px;
}

.page-header {
  text-align: center;
  margin-bottom: 50px;
  padding: 50px 30px;
  background: var(--gradient-dark);
  border-radius: 30px;
  border: 2px solid var(--primary);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,45,120,0.1) 0%, transparent 50%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.page-title {
  font-size: 42px;
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.page-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.card {
  background: rgba(45, 21, 32, 0.8);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 30px;
  border: 1px solid rgba(255, 45, 120, 0.3);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.card-title {
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 45, 120, 0.3);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title-icon {
  font-size: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.tab-btn {
  background: rgba(255, 45, 120, 0.1);
  border: 1px solid var(--primary);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 13px;
}

.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-pink);
  box-shadow: var(--shadow-glow);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.list-item {
  background: rgba(255, 45, 120, 0.05);
  padding: 18px;
  border-radius: 15px;
  margin-bottom: 12px;
  border-left: 4px solid var(--primary);
  transition: all 0.3s ease;
}

.list-item:hover {
  background: rgba(255, 45, 120, 0.1);
  transform: translateX(10px);
}

.list-item-title {
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 8px;
}

.list-item-content {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.table-container {
  overflow-x: auto;
  border-radius: 15px;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}

th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 45, 120, 0.2);
}

th {
  background: var(--gradient-pink);
  color: white;
  font-weight: bold;
}

tr:hover {
  background: rgba(255, 45, 120, 0.1);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: bold;
  margin: 3px;
}

.badge-primary { background: var(--primary); color: white; }
.badge-gold { background: var(--gold); color: var(--dark); }
.badge-secondary { background: var(--secondary); color: white; }

.quote-block {
  background: rgba(255, 45, 120, 0.1);
  border-left: 4px solid var(--gold);
  padding: 20px;
  border-radius: 0 15px 15px 0;
  margin: 15px 0;
  font-style: italic;
}

.accordion {
  margin-bottom: 12px;
}

.accordion-header {
  background: rgba(255, 45, 120, 0.1);
  padding: 18px 22px;
  border-radius: 15px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.accordion-header:hover {
  border-color: var(--primary);
  background: rgba(255, 45, 120, 0.15);
}

.accordion-title {
  font-size: 16px;
  color: var(--gold);
}

.accordion-icon {
  font-size: 22px;
  transition: transform 0.3s ease;
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 22px;
  background: rgba(45, 21, 32, 0.5);
  border-radius: 0 0 15px 15px;
  border: 1px solid rgba(255, 45, 120, 0.2);
  border-top: none;
}

.accordion.active .accordion-content {
  display: block;
}

.footer {
  text-align: center;
  padding: 40px;
  margin-top: 50px;
  border-top: 1px solid rgba(255, 45, 120, 0.3);
  color: var(--text-muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.tag {
  background: rgba(255, 45, 120, 0.2);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.tag:hover {
  background: var(--primary);
  transform: scale(1.1);
}

.stat-card {
  background: rgba(45, 21, 32, 0.8);
  border-radius: 20px;
  padding: 25px;
  text-align: center;
  border: 1px solid rgba(255, 45, 120, 0.3);
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.stat-number {
  font-size: 42px;
  font-weight: bold;
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 8px;
}

.divider {
  height: 2px;
  background: var(--gradient-pink);
  margin: 25px 0;
  border-radius: 2px;
}

.floating-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  background: var(--gradient-pink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
  z-index: 999;
  text-decoration: none;
  color: white;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.glow-text {
  text-shadow: 0 0 20px rgba(255, 45, 120, 0.8);
}

.gradient-text {
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

@media (max-width: 768px) {
  .page-title { font-size: 30px; }
  .nav-container { flex-direction: column; gap: 12px; }
  .nav-links { gap: 5px; }
  .nav-link { padding: 6px 10px; font-size: 11px; }
  .main-container { padding: 110px 15px 30px; }
  .card { padding: 18px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}