/* 登录页面风格 - 祝福祖国 */
.login-page-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(180deg, 
        #8B0000 0%, 
        #B22222 20%, 
        #DC143C 40%, 
        #FF4500 60%, 
        #FF6347 80%, 
        #FF8C00 100%);
    overflow: hidden;
}

.login-page-bg::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.2); }
}

.firework {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    animation: firework 2s ease-out infinite;
}

@keyframes firework {
    0% { transform: scale(0); opacity: 1; }
    50% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.firework-1 {
    top: 15%;
    left: 20%;
    background: #FFD700;
    box-shadow: 
        0 -30px 0 #FFD700, 0 30px 0 #FFD700,
        -30px 0 0 #FFD700, 30px 0 0 #FFD700,
        -20px -20px 0 #FF6347, 20px -20px 0 #FF6347,
        -20px 20px 0 #FF6347, 20px 20px 0 #FF6347;
    animation-delay: 0s;
}

.firework-2 {
    top: 25%;
    right: 15%;
    background: #FF69B4;
    box-shadow: 
        0 -25px 0 #FF69B4, 0 25px 0 #FF69B4,
        -25px 0 0 #FF69B4, 25px 0 0 #FF69B4,
        -18px -18px 0 #FFD700, 18px -18px 0 #FFD700,
        -18px 18px 0 #FFD700, 18px 18px 0 #FFD700;
    animation-delay: 0.7s;
}

.firework-3 {
    top: 10%;
    left: 50%;
    background: #00CED1;
    box-shadow: 
        0 -35px 0 #00CED1, 0 35px 0 #00CED1,
        -35px 0 0 #00CED1, 35px 0 0 #00CED1,
        -25px -25px 0 #FFD700, 25px -25px 0 #FFD700,
        -25px 25px 0 #FFD700, 25px 25px 0 #FFD700;
    animation-delay: 1.4s;
}

.lantern {
    position: absolute;
    width: 60px;
    height: 80px;
    animation: lanternSwing 3s ease-in-out infinite;
    transform-origin: top center;
}

.lantern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    background: #FFD700;
}

.lantern-body {
    position: absolute;
    top: 20px;
    left: 0;
    width: 60px;
    height: 50px;
    background: linear-gradient(180deg, #FF4500 0%, #DC143C 50%, #8B0000 100%);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 69, 0, 0.8), inset 0 0 20px rgba(255, 215, 0, 0.3);
}

.lantern-body::before {
    content: '福';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #FFD700;
    font-size: 24px;
    font-weight: bold;
    font-family: 'KaiTi', 'STKaiti', serif;
}

.lantern-body::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 8px;
    background: #FFD700;
    border-radius: 3px;
}

.lantern-tassel {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 15px;
    background: #FFD700;
}

.lantern-1 {
    top: 50px;
    left: 8%;
    animation-delay: 0s;
}

.lantern-2 {
    top: 80px;
    right: 8%;
    animation-delay: 0.5s;
}

@keyframes lanternSwing {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.star {
    position: absolute;
    color: #FFD700;
    font-size: 20px;
    animation: starTwinkle 2s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
}

.star-1 { top: 12%; left: 35%; animation-delay: 0s; }
.star-2 { top: 18%; left: 65%; animation-delay: 0.3s; font-size: 16px; }
.star-3 { top: 8%; left: 80%; animation-delay: 0.6s; font-size: 24px; }
.star-4 { top: 22%; left: 15%; animation-delay: 0.9s; font-size: 14px; }
.star-5 { top: 15%; left: 50%; animation-delay: 1.2s; font-size: 18px; }

@keyframes starTwinkle {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

.blessing-text {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 48px;
    font-weight: bold;
    color: #FFD700;
    font-family: 'KaiTi', 'STKaiti', 'SimSun', serif;
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.8),
        0 0 20px rgba(255, 69, 0, 0.6),
        2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 10px;
    animation: blessingGlow 2s ease-in-out infinite;
    z-index: 5;
}

@keyframes blessingGlow {
    0%, 100% { text-shadow: 0 0 10px rgba(255, 215, 0, 0.8), 0 0 20px rgba(255, 69, 0, 0.6); }
    50% { text-shadow: 0 0 20px rgba(255, 215, 0, 1), 0 0 40px rgba(255, 69, 0, 0.8); }
}

.bottom-decor {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(0deg, rgba(139, 0, 0, 0.8) 0%, transparent 100%);
}

/* 祝福祖国主题配色 */
.auth-card h2 i {
    background: linear-gradient(135deg, #FFD700, #DC143C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card .form-group label i {
    color: #DC143C;
}

.auth-card .form-group input:focus {
    border-color: #DC143C;
    box-shadow: 0 0 0 4px rgba(220, 20, 60, 0.1);
}

.auth-card .btn {
    background: linear-gradient(135deg, #FFD700 0%, #FF8C00 50%, #DC143C 100%);
    color: #8B0000;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.5);
}

.auth-card .btn:hover {
    box-shadow: 0 8px 25px rgba(255, 69, 0, 0.7);
}

.auth-footer a {
    color: #DC143C;
}

.auth-footer a:hover {
    color: #8B0000;
}
