/* ====================================================
   艺星秀 - 公共样式
   ==================================================== */

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

:root {
  --primary: #6c5ce7;
  --primary-dark: #5849c2;
  --secondary: #fd79a8;
  --accent: #fdcb6e;
  --success: #00b894;
  --danger: #e74c3c;
  --warning: #f39c12;
  --info: #0984e3;
  --bg: #f5f6fa;
  --card-bg: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --text-lighter: #b2bec3;
  --border: #dfe6e9;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 20px; }
.flex { display: flex; flex-wrap: wrap; }
.flex-center { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.flex-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.flex-col { display: flex; flex-direction: column; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.5rem; }
.text-2xl { font-size: 2rem; }
.text-muted { color: var(--text-light); }
.text-lighter { color: var(--text-lighter); }
.hidden { display: none !important; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.5rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: 2px; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { font-size: 0.95rem; font-weight: 500; color: var(--text-light); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108,92,231,0.4); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(253,121,168,0.4); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-gold { background: linear-gradient(135deg, #f6d365, #fda085); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1.1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

/* Grid */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* Avatar */
.avatar { border-radius: 50%; object-fit: cover; background: var(--border); }
.avatar-sm { width: 36px; height: 36px; }
.avatar-md { width: 64px; height: 64px; }
.avatar-lg { width: 100px; height: 100px; }
.avatar-xl { width: 140px; height: 140px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-primary { background: rgba(108,92,231,0.1); color: var(--primary); }
.badge-gold { background: rgba(255,215,0,0.15); color: #b8860b; }
.badge-success { background: rgba(0,184,148,0.1); color: var(--success); }
.badge-danger { background: rgba(231,76,60,0.1); color: var(--danger); }

/* Verify Badge */
.verify-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  color: #fff;
  margin-left: 6px;
  vertical-align: middle;
  position: relative;
  flex-shrink: 0;
}
.verify-blue {
  background: linear-gradient(135deg, #2196f3, #1976d2);
  box-shadow: 0 0 8px rgba(33,150,243,0.5);
}
.verify-gold {
  background: linear-gradient(135deg, #ffd700, #ffa500);
  box-shadow: 0 0 10px rgba(255,215,0,0.6);
}
.verify-diamond {
  background: linear-gradient(135deg, #e91e63, #9c27b0);
  box-shadow: 0 0 12px rgba(233,30,99,0.6);
}
.verify-badge::after {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  animation: verifyPulse 2s ease-in-out infinite;
}
@keyframes verifyPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0; }
}

/* Large verify badge for artist header */
.verify-badge-lg {
  width: 40px;
  height: 40px;
  font-size: 22px;
  margin-left: 10px;
  box-shadow: 0 0 16px rgba(255,215,0,0.5), 0 2px 8px rgba(0,0,0,0.2);
}
.verify-badge-lg::after {
  top: -4px; left: -4px; right: -4px; bottom: -4px;
  border-width: 3px;
}
.verify-badge-lg.verify-blue {
  box-shadow: 0 0 16px rgba(33,150,243,0.6), 0 2px 8px rgba(0,0,0,0.2);
}
.verify-badge-lg.verify-gold {
  box-shadow: 0 0 20px rgba(255,215,0,0.7), 0 2px 8px rgba(0,0,0,0.2);
  animation: goldShimmer 3s ease-in-out infinite;
}
.verify-badge-lg.verify-diamond {
  box-shadow: 0 0 24px rgba(233,30,99,0.7), 0 2px 8px rgba(0,0,0,0.2);
  animation: diamondGlow 2s ease-in-out infinite;
}
@keyframes goldShimmer {
  0%, 100% { box-shadow: 0 0 20px rgba(255,215,0,0.7), 0 2px 8px rgba(0,0,0,0.2); }
  50% { box-shadow: 0 0 30px rgba(255,215,0,1), 0 0 50px rgba(255,165,0,0.4), 0 2px 8px rgba(0,0,0,0.2); }
}
@keyframes diamondGlow {
  0%, 100% { box-shadow: 0 0 24px rgba(233,30,99,0.7), 0 0 40px rgba(156,39,176,0.3), 0 2px 8px rgba(0,0,0,0.2); }
  50% { box-shadow: 0 0 30px rgba(233,30,99,1), 0 0 60px rgba(156,39,176,0.5), 0 2px 8px rgba(0,0,0,0.2); }
}

/* Verify badge with label */
.verify-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px 8px 10px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
  margin-left: 8px;
  position: relative;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.verify-tag-blue {
  background: linear-gradient(135deg, #2196f3, #1976d2);
  box-shadow: 0 2px 12px rgba(33,150,243,0.4);
}
.verify-tag-gold {
  background: linear-gradient(135deg, #ffd700, #ffa500);
  box-shadow: 0 2px 16px rgba(255,215,0,0.5);
  animation: tagGoldShimmer 3s ease-in-out infinite;
}
.verify-tag-diamond {
  background: linear-gradient(135deg, #e91e63, #9c27b0);
  box-shadow: 0 2px 20px rgba(233,30,99,0.5);
  animation: tagDiamondGlow 2s ease-in-out infinite;
}
@keyframes tagGoldShimmer {
  0%, 100% { box-shadow: 0 2px 16px rgba(255,215,0,0.5); }
  50% { box-shadow: 0 2px 24px rgba(255,215,0,0.8), 0 0 40px rgba(255,165,0,0.3); }
}
@keyframes tagDiamondGlow {
  0%, 100% { box-shadow: 0 2px 20px rgba(233,30,99,0.5); }
  50% { box-shadow: 0 2px 28px rgba(233,30,99,0.8), 0 0 50px rgba(156,39,176,0.4); }
}
.verify-tag .verify-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

/* Charm Level Badge */
.charm-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s;
}
.modal-overlay.active .modal { transform: scale(1); }

/* Form */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  background: #fff;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.1);
}
.form-textarea { min-height: 100px; resize: vertical; }

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--danger); color: #fff; }
.toast-info { background: var(--info); color: #fff; }

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

/* Category Card */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.category-card:hover { transform: scale(1.05) translateY(-4px); }
.category-card .icon { font-size: 3rem; margin-bottom: 12px; }
.category-card .name { font-size: 1.25rem; font-weight: 700; }

/* Artist Card */
.artist-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.artist-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.artist-card .cover {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.artist-card .cover .avatar { position: absolute; bottom: -40px; left: 50%; transform: translateX(-50%); border: 4px solid #fff; }
.artist-card .info { padding: 48px 16px 16px; text-align: center; }

/* Work Card */
.work-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.work-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.work-card .thumb { height: 200px; overflow: hidden; background: var(--border); position: relative; }
.work-card .thumb img, .work-card .thumb video { width: 100%; height: 100%; object-fit: cover; }
.work-card .info { padding: 12px 16px; }

/* PK Status Bar */
.pk-status-bar {
  background: linear-gradient(90deg, rgba(108,92,231,0.1), rgba(253,121,168,0.1));
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pk-vs { font-size: 1.5rem; font-weight: 900; color: var(--danger); }

/* Appreciation Rank */
.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.rank-item:last-child { border-bottom: none; }
.rank-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.rank-1 { background: #ffd700; color: #fff; }
.rank-2 { background: #c0c0c0; color: #fff; }
.rank-3 { background: #cd7f32; color: #fff; }
.rank-other { background: var(--border); color: var(--text-light); }

/* Footer */
.site-footer {
  background: #2d3436;
  color: #b2bec3;
  padding: 40px 0 20px;
  margin-top: 60px;
  text-align: center;
  font-size: 0.875rem;
}
.site-footer a { color: #74b9ff; }

/* Gift Animation Container */
.gift-animation {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

/* Empty State */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-lighter); }
.empty-state .icon { font-size: 4rem; margin-bottom: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.85rem; }
  .container { padding: 0 12px; }
}

/* Tab */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 24px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Table */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; min-width: 600px; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.table th { font-weight: 700; color: var(--text-light); text-transform: uppercase; font-size: 0.8rem; }
.table tbody tr:hover { background: rgba(108,92,231,0.03); }

/* Text Colors */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-primary { color: var(--primary); }

/* Small Form */
.form-sm { max-width: 400px; }

/* Tab Content */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Pagination */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 24px; }
.pagination button {
  min-width: 36px; height: 36px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: #fff; color: var(--text-light);
  font-size: 0.9rem; cursor: pointer; transition: var(--transition);
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ====================================================
   移动端适配 & 全面美化
   ==================================================== */

/* 平板适配 */
@media (max-width: 1024px) {
  .container { max-width: 100%; }
  .grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* 手机适配 */
@media (max-width: 768px) {
  html { font-size: 15px; }

  /* Header */
  .site-header .container { height: 56px; padding: 0 12px; }
  .logo { font-size: 1.25rem; }
  .nav-links { gap: 8px; }
  .nav-links a { font-size: 0.8rem; }

  /* Container */
  .container { padding: 0 12px; }
  .container-sm { padding: 0 12px; }

  /* Grid - all become 1 column on mobile */
  .grid, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; gap: 12px; }
  /* 分类选择器在手机上2列 */
  #category-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Two-column layout becomes single column */
  .grid[style*="grid-template-columns: 1fr 320px"],
  .grid[style*="grid-template-columns: 1fr 300px"],
  .grid[style*="grid-template-columns: 1fr 280px"],
  .grid[style*="grid-template-columns: 240px 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Cards */
  .card { border-radius: 10px; }
  .card[style*="padding: 24px"] { padding: 16px !important; }
  .card[style*="padding: 20px"] { padding: 14px !important; }

  /* Artist header */
  .artist-header { min-height: 260px; padding: 24px 16px; }
  .artist-header .avatar { width: 90px !important; height: 90px !important; }
  .artist-header .stage-name { font-size: 1.5rem; }
  .artist-header .category-tag { font-size: 0.8rem; padding: 3px 10px; }

  /* Buttons - full width on mobile */
  .btn { padding: 10px 16px; font-size: 0.85rem; }
  .btn-lg { padding: 12px 24px; font-size: 1rem; }
  .btn-block { width: 100%; }

  /* Flex layouts - wrap on mobile */
  .flex-between[style*="flex-wrap"] { flex-wrap: wrap; gap: 10px; }
  .flex-between[style*="flex-wrap"] > * { flex: 1 1 auto; min-width: 140px; }
  .flex[style*="flex-wrap"] { flex-wrap: wrap; }
  .flex.gap-2 { gap: 8px; }
  .flex.gap-3 { gap: 12px; }

  /* Artist card cover */
  .artist-card .cover { height: 160px; }
  .artist-card .cover .avatar { width: 70px !important; height: 70px !important; bottom: -30px !important; }
  .artist-card .info { padding: 36px 12px 12px; }

  /* Work card */
  .work-card .thumb { height: 150px; }

  /* PK battle field */
  .pk-battle-field { gap: 8px; }
  .pk-fighter img { width: 64px !important; height: 64px !important; }
  .pk-vs-icon { font-size: 1.5rem; }
  .pk-card { padding: 16px; }

  /* Modal */
  .modal { padding: 20px; max-width: 95%; border-radius: 16px; max-height: 90vh; }

  /* Form */
  .form-input, .form-textarea, .form-select { padding: 10px 12px; font-size: 0.9rem; }

  /* Text sizes */
  .text-2xl { font-size: 1.5rem; }
  .text-xl { font-size: 1.2rem; }
  .text-lg { font-size: 1rem; }

  /* Gift grid - 2 columns on mobile */
  .gift-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .gift-item { padding: 10px 4px; }
  .gift-item .emoji { font-size: 1.5rem; }

  /* Tabs */
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { padding: 10px 16px; font-size: 0.85rem; white-space: nowrap; }

  /* Table - horizontal scroll */
  .table { font-size: 0.8rem; }
  .table th, .table td { padding: 8px 10px; }
  .card[style*="padding: 20px"] { overflow-x: auto; }

  /* Hero section */
  .hero-section { padding: 48px 16px !important; }
  .hero-section h1 { font-size: 2rem !important; }
  .hero-section p { font-size: 0.95rem !important; }

  /* Poster */
  .poster-container { width: 100%; max-width: 320px; min-height: auto; }

  /* Countdown */
  .countdown { gap: 6px; }
  .countdown-num { font-size: 1.2rem; }

  /* Footer */
  .site-footer { padding: 24px 0 16px; font-size: 0.8rem; }

  /* Rank items */
  .rank-item { padding: 8px 0; gap: 8px; }
  .rank-num { width: 24px; height: 24px; font-size: 0.75rem; }

  /* Category card */
  .category-card .icon { font-size: 2.5rem; }
  .category-card .name { font-size: 1rem; }

  /* Verify badge large */
  .verify-badge-lg { width: 28px; height: 28px; font-size: 16px; }

  /* Pagination */
  .pagination button { min-width: 32px; height: 32px; font-size: 0.8rem; }

  /* Hide some elements on mobile */
  .hide-mobile { display: none !important; }
}

/* 超小屏幕适配 */
@media (max-width: 380px) {
  html { font-size: 14px; }
  .container { padding: 0 8px; }
  .gift-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 6px; }
  .nav-links a { font-size: 0.75rem; }
  .artist-header { min-height: 220px; padding: 20px 12px; }
  .artist-header .avatar { width: 72px !important; height: 72px !important; }
  .artist-header .stage-name { font-size: 1.25rem; }
  .pk-fighter img { width: 52px !important; height: 52px !important; }
}

/* 美化增强 - 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(108,92,231,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108,92,231,0.5); }

/* 美化增强 - 卡片悬浮光效 */
.card { position: relative; overflow: hidden; }
.card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s;
  pointer-events: none;
}
.card:hover::before { left: 100%; }

/* 美化增强 - 按钮波纹效果 */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}
.btn:active::after { width: 300px; height: 300px; }

/* 美化增强 - 输入框聚焦光效 */
.form-input:focus, .form-textarea:focus, .form-select:focus {
  box-shadow: 0 0 0 4px rgba(108,92,231,0.1), 0 2px 8px rgba(108,92,231,0.15);
}

/* PK准备倒计时样式 */
.pk-prepare-banner {
  background: linear-gradient(135deg, #ff9800, #f57c00);
  color: #fff;
  padding: 16px 20px;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 16px;
  animation: preparePulse 2s ease-in-out infinite;
}
@keyframes preparePulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(255,152,0,0.3); }
  50% { box-shadow: 0 4px 30px rgba(255,152,0,0.6); }
}
.pk-prepare-countdown {
  font-size: 2rem;
  font-weight: 800;
  margin: 8px 0;
  font-variant-numeric: tabular-nums;
}

/* ====================================================
   横向分类选择器 & Pill 标签（手机版优化）
   ==================================================== */
.category-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.category-scroll > * { flex-shrink: 0; }
.category-scroll::-webkit-scrollbar { display: none; }
.category-pill {
  flex-shrink: 0;
  white-space: nowrap;
  border-radius: 24px !important;
  padding: 8px 18px !important;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #fff;
  transition: var(--transition);
}
.category-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(108,92,231,0.15);
}

/* 注册页分类选择器 - 手机版横版优化 */
@media (max-width: 768px) {
  #category-select .category-pill-register {
    padding: 8px 14px !important;
    font-size: 0.85rem;
    gap: 4px;
  }
  #category-select .category-pill-register span:last-child {
    font-size: 0.8rem;
  }
}

/* 管理后台 - 移动端优化 */
@media (max-width: 768px) {
  #admin-page .container { padding: 0 12px; }
  #admin-page .grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  #admin-page .grid-2 { grid-template-columns: 1fr !important; }
  #admin-page .tabs { margin-bottom: 16px; }
  #admin-page .tab { padding: 10px 14px; font-size: 0.8rem; }
  #admin-page .table-wrap { margin: 0 -14px; padding: 0 14px; width: calc(100% + 28px); }
}

/* 表格行在移动端更紧凑 */
@media (max-width: 768px) {
  .table th, .table td { white-space: nowrap; }
}

/* 通用卡片hover增强 */
.card {
  transition: var(--transition), box-shadow 0.3s ease;
}

/* 页面切换淡入 */
.tab-content {
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 按钮图标对齐 */
.btn { gap: 6px; }

/* 注册页分类 pill */
.category-pill-register {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px !important;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0.85;
  transition: var(--transition);
  border: none;
}
.category-pill-register:hover {
  opacity: 1;
  transform: translateY(-1px);
}

/* ====================================================
   第四轮：全面美化增强（2026-07-22）
   ==================================================== */

/* 全局背景渐变 */
body {
  background: linear-gradient(180deg, #f5f6fa 0%, #eeeef5 100%);
  min-height: 100vh;
}

/* 卡片增强 - 更柔和的阴影和圆角 */
.card {
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(108,92,231,0.06), 0 1px 3px rgba(0,0,0,0.04);
}
.card:hover {
  box-shadow: 0 8px 28px rgba(108,92,231,0.12), 0 2px 6px rgba(0,0,0,0.06);
}

/* 表单输入增强 */
.form-input, .form-textarea, .form-select {
  border-radius: 10px;
  border: 2px solid #e8e8f0;
  background: #fafaff;
  transition: all 0.25s ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(108,92,231,0.08), 0 2px 8px rgba(108,92,231,0.1);
}

/* 按钮增强 */
.btn {
  border-radius: 10px;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 12px rgba(108,92,231,0.25);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(108,92,231,0.4);
}

/* 管理后台登录卡片美化 */
#login-page .card {
  background: linear-gradient(180deg, #fff, #fafaff);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(108,92,231,0.1), 0 2px 10px rgba(0,0,0,0.04);
}

/* 分类pill选中态增强 */
.category-pill-register[style*="scale(1.05)"],
.category-pill[style*="var(--primary)"] {
  box-shadow: 0 4px 16px rgba(108,92,231,0.3) !important;
}

/* 表格增强 */
.table th {
  background: rgba(108,92,231,0.04);
  border-bottom: 2px solid rgba(108,92,231,0.15);
}
.table tbody tr {
  transition: background 0.2s ease;
}

/* Tab增强 */
.tab {
  border-radius: 8px 8px 0 0;
  transition: all 0.25s ease;
}
.tab:hover:not(.active) {
  color: var(--primary);
  background: rgba(108,92,231,0.04);
}

/* 移动端增强 - 分类pill更易触摸 */
@media (max-width: 768px) {
  .category-pill,
  .category-pill-register {
    padding: 10px 16px !important;
    font-size: 0.85rem;
    border-radius: 22px !important;
  }

  /* 管理后台 - 移动端网格统计卡 */
  #admin-page .grid-4 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
  #admin-page .grid-4 .card {
    padding: 16px !important;
  }
  #admin-page .grid-4 .card > div:first-child {
    font-size: 1.5rem !important;
  }

  /* 管理后台 - 认证审核卡片移动端优化 */
  #admin-page .flex-between {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 12px;
  }
  #admin-page .flex-between .flex {
    width: 100%;
    flex-wrap: wrap;
  }
  #admin-page .flex-between .flex input {
    max-width: 100% !important;
    min-width: 0 !important;
    flex: 1 1 100%;
  }
  #admin-page .flex-between .flex button {
    flex: 1 1 auto;
  }

  /* 管理后台 - 支付配置移动端单列 */
  #admin-page .grid-2 {
    grid-template-columns: 1fr !important;
  }

  /* 首页 hero 按钮移动端全宽 */
  .hero-section .flex-center {
    flex-direction: column;
    gap: 12px;
  }
  .hero-section .flex-center .btn {
    width: 100%;
    max-width: 300px;
  }

  /* 搜索框移动端优化 */
  .flex.gap-2 > .form-input {
    min-width: 0 !important;
    flex: 1 1 100%;
  }
  .flex.gap-2 > .btn {
    flex: 0 0 auto;
  }

  /* 表格水平滚动优化 */
  .table-wrap {
    margin: 0 -14px;
    padding: 0 14px;
    width: calc(100% + 28px);
  }

  /* 底部导航间距 */
  .site-footer p {
    line-height: 1.8;
  }

  /* 表单label和输入更紧凑 */
  .form-group { margin-bottom: 16px; }
  .form-label { font-size: 0.85rem; margin-bottom: 4px; }

  /* 模态框移动端优化 */
  .modal {
    padding: 20px 16px;
    max-width: 95%;
    border-radius: 16px;
  }

  /* 认证等级选择卡片移动端单列 */
  #verify-levels {
    grid-template-columns: 1fr !important;
  }
}

/* 超小屏幕适配增强 */
@media (max-width: 380px) {
  .category-pill,
  .category-pill-register {
    padding: 8px 12px !important;
    font-size: 0.8rem;
  }
  .btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
}

/* 加载动画增强 */
.spinner {
  border-color: rgba(108,92,231,0.15);
  border-top-color: var(--primary);
}

/* 空状态美化 */
.empty-state .icon {
  filter: grayscale(0.2);
  opacity: 0.7;
}

/* 链接hover增强 */
a:hover {
  opacity: 0.85;
}

/* 分页按钮增强 */
.pagination button {
  border-radius: 8px;
  transition: all 0.2s ease;
}
.pagination button:not(:disabled):hover {
  background: rgba(108,92,231,0.05);
}

/* 认证徽章增强 */
.verify-badge {
  transition: transform 0.2s ease;
}
.verify-badge:hover {
  transform: scale(1.15);
}