@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@400;500;600;700;900&family=Ma+Shan+Zheng&display=swap";:root{--cny-red: #D32F2F;--cny-red-dark: #B71C1C;--cny-red-light: #FF5252;--cny-gold: #FFD700;--cny-gold-dark: #FFC107;--cny-gold-light: #FFE44D;--cny-orange: #FF6F00;--cny-orange-light: #FB8C00;--cny-green: #43A047;--cny-green-light: #66BB6A;--cny-purple: #7B1FA2;--cny-purple-light: #9C27B0;--cny-cream: #FFF9E6;--cny-cream-dark: #FFFACD;--cny-pink: #F48FB1;--cny-pink-light: #FCE4EC;--cny-crimson: #8B0000;--color-bg-primary: #FFF5E6;--color-bg-secondary: #FFF0DB;--color-bg-tertiary: #FFE8CC;--color-bg-card: rgba(255, 255, 255, .95);--color-bg-gradient: linear-gradient(135deg, #FFF5E6 0%, #FFE4E1 25%, #FFF0F5 50%, #FFF5E6 75%, #FFFACD 100%);--color-text-primary: #2C1810;--color-text-secondary: #5D4037;--color-text-muted: #8D6E63;--color-accent-primary: var(--cny-red);--color-accent-secondary: var(--cny-gold);--color-accent-gradient: linear-gradient(135deg, var(--cny-red), var(--cny-red-dark));--color-success: #43A047;--color-error: #D32F2F;--color-warning: #FF6F00;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15);--shadow-glow-red: 0 0 30px rgba(211, 47, 47, .3);--shadow-glow-gold: 0 0 30px rgba(255, 215, 0, .4);--shadow-card: 0 4px 20px rgba(0, 0, 0, .08);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-chinese: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;--font-family-calligraphy: "Ma Shan Zheng", cursive}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--color-bg-gradient);background-attachment:fixed;color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea{font-family:inherit}img{max-width:100%;display:block}.logo{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-icon{font-size:1.75rem}.logo-text{font-size:1.5rem;font-weight:700;color:var(--cny-red);font-family:var(--font-family-chinese)}.logo-accent{display:inline-block;width:4px;height:28px;background:var(--cny-red);border-radius:2px;margin-right:var(--spacing-sm)}.connection-status{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);background:#fff;border-radius:var(--radius-full);font-size:.875rem;box-shadow:var(--shadow-sm)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--color-warning);animation:pulse 2s infinite}.connection-status.connected .status-dot{background:var(--color-success)}.connection-status.disconnected .status-dot{background:var(--color-error);animation:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-size:.9375rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-normal)}.btn-primary{background:var(--color-accent-gradient);color:#fff;box-shadow:var(--shadow-md),var(--shadow-glow-red)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 40px #d32f2f66}.btn-secondary{background:#fff;color:var(--color-text-primary);border:1px solid rgba(0,0,0,.1);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--color-bg-tertiary);border-color:#00000026}.btn-outline{background:transparent;color:var(--cny-red);border:2px solid var(--cny-red)}.btn-outline:hover{background:#d32f2f1a}.btn-gold{background:linear-gradient(135deg,var(--cny-gold),var(--cny-gold-dark));color:var(--color-text-primary);box-shadow:var(--shadow-md),var(--shadow-glow-gold)}.btn-gold:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 40px #ffd70080}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1.0625rem}.btn-icon{padding:var(--spacing-sm);border-radius:var(--radius-md)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover{background:var(--cny-red-dark)}.hidden{display:none!important}.gradient-text{background:var(--color-accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.gold-text{color:var(--cny-gold);text-shadow:0 0 10px rgba(255,215,0,.3)}.chinese-text{font-family:var(--font-family-chinese)}.calligraphy-text{font-family:var(--font-family-calligraphy)}.card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.8)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:600;color:var(--color-text-primary)}.form-input,.form-textarea{width:100%;padding:var(--spacing-md);font-size:1rem;background:#fff;border:2px solid rgba(0,0,0,.1);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--cny-red);box-shadow:0 0 0 3px #d32f2f1a}.form-textarea{resize:vertical;min-height:100px}.form-hint{margin-top:var(--spacing-xs);font-size:.875rem;color:var(--color-text-muted)}.form-error{color:var(--color-error)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{0%,to{box-shadow:0 0 20px #ffd7004d}50%{box-shadow:0 0 40px #ffd70099}}@keyframes confetti-fall{0%{transform:translateY(-100vh) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@keyframes envelope-open{0%{transform:scale(0) rotate(-15deg);opacity:0}50%{transform:scale(1.1) rotate(5deg);opacity:1}to{transform:scale(1) rotate(0);opacity:1}}.spinner{width:40px;height:40px;border:3px solid var(--color-bg-tertiary);border-top-color:var(--cny-red);border-radius:50%;animation:spin .8s linear infinite}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;font-size:.75rem;font-weight:700;color:#fff;background:var(--cny-red);border-radius:var(--radius-full)}.badge-gold{background:var(--cny-gold);color:var(--color-text-primary)}.lantern{font-size:2rem;animation:float 3s ease-in-out infinite}.envelope{font-size:3rem;animation:glow 2s ease-in-out infinite}@media (max-width: 768px){html{font-size:14px}.btn{padding:var(--spacing-sm) var(--spacing-md)}.btn-large{padding:var(--spacing-sm) var(--spacing-lg)}}