@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap");
body {
    /* 简洁清爽的字体和背景 */
    font-family: "Noto Sans SC", sans-serif;
    background-color: #1a1a1a;
    color: #f5f5f5;
    /* 减少背景纹理的强度 */
    background-image: radial-gradient(circle at 25% 25%, rgba(139, 0, 0, 0.02) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(255, 69, 0, 0.02) 0%, transparent 50%);
}

.nav-glass {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #333333;
}

.btn-primary {
    background-color: #8b0000;
    color: #f5f5f5;
    border-radius: 0.5rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #a50000;
}

.btn-primaryXZ {
    background-color: #ff4500;
    color: #f5f5f5;
    border-radius: 0.5rem;
    font-weight: 600;
}

.btn-primaryXZ:hover {
    background-color: #ff5722;
}

.btn-secondary {
    background-color: #333333;
    color: #f5f5f5;
    border-radius: 0.5rem;
}

.btn-secondary:hover {
    background-color: #444444;
}

.card-bg {
    background-color: #2d2d2d;
    border-radius: 0.75rem;
    border: 1px solid rgba(51, 51, 51, 0.3);
}

.card-bg:hover {
    border-color: rgba(255, 69, 0, 0.2);
}

/* hover-scale动画已移除 */

.modal {
    opacity: 0;
    visibility: hidden;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

/* 脉冲动画已移除 */

.amount-btn {
    border: 1px solid #444;
    background: linear-gradient(135deg, #2d2d2d 0%, #333333 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.amount-btn:hover {
    border-color: #ff4500;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3), 0 0 8px rgba(255, 69, 0, 0.1);
}

.amount-btn.selected {
    border-color: #ff4500;
    background: linear-gradient(135deg, rgba(255, 69, 0, 0.08) 0%, rgba(255, 69, 0, 0.12) 100%);
    box-shadow: 0 0 8px rgba(255, 69, 0, 0.2);
}

.amount-btn.selected::before {
    background: linear-gradient(90deg, transparent, rgba(255, 69, 0, 0.1), transparent);
}

.gift-card {
    background: linear-gradient(135deg, #2a2a2a 0%, #333333 100%);
    border: 1px solid #3a3a3a;
    position: relative;
    overflow: hidden;
}

.gift-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.gift-card > * {
    position: relative;
    z-index: 1;
}

.gift-card:hover {
    box-shadow: 0 8px 16px rgba(255, 69, 0, 0.1);
    border-color: #ff4500;
}

.progress-bar {
    background: linear-gradient(90deg, #8b0000, #ff4500);
}

.payment-method {
    border: 1px solid #444;
    background: linear-gradient(135deg, #2d2d2d 0%, #333333 100%);
}

.payment-method.selected {
    border-color: #ff4500;
    background-color: rgba(255, 69, 0, 0.08);
}

/* 提示框样式 */
#messageBox {
    position: fixed;
    top: 140px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #2d2d2d;
    color: #f5f5f5;
    padding: 15px 25px;
    border-radius: 8px;
    border: 1px solid #444;
    opacity: 0;
    visibility: hidden;
    z-index: 9999;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#messageBox.active {
    opacity: 1;
    visibility: visible;
}

#messageBox .icon {
    margin-right: 10px;
    font-size: 1.2rem;
}

#messageBox.success {
    background-color: #1e4d2b;
    border-color: #28a745;
}

#messageBox.error {
    background-color: #4d1e1e;
    border-color: #dc3545;
}

#messageBox.warning {
    background-color: #4d3d1e;
    border-color: #ffc107;
    color: #f5f5f5;
}

.loading-spinner {
    border: 3px solid #444;
    border-top: 3px solid #ff4500;
    border-radius: 50%;
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .recharge-container {
        flex-direction: column;
    }

    .recharge-area {
        width: 100% !important;
        margin-bottom: 2rem;
    }

    .gift-area {
        width: 100% !important;
    }
}