/* 全局变量 */
:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --accent-color: #ff3e3e;
    --text-color: #fff;
    --bg-color: #0a0a0a;
    --card-bg: rgba(20, 20, 20, 0.9);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --card-border: 1px solid rgba(0, 242, 254, 0.2);
}

.pay_content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    margin-top: 100px;
    margin-bottom: 100px;
    box-sizing: border-box;
}

.pay_method, .game_select, .account_info, .amount_select, .pay_notice {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.pay_method::before, .game_select::before, .account_info::before, .amount_select::before, .pay_notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient);
    animation: borderFlow 3s linear infinite;
}

@keyframes borderFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    font-weight: 600;
}

.method_buttons, .game_list, .amount_buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.method_btn, .game_btn, .amount_btn {
    padding: 10px 25px;
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: 25px;
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    outline: none;
}

.method_btn:hover, .game_btn:hover, .amount_btn:hover {
    background: var(--gradient);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.3);
    border-color: transparent;
}

.method_btn.active, .game_btn.active, .amount_btn.active {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.3);
    transform: translateY(-2px);
}

.input_group {
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
}

.input_group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-size: 16px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    width: 100%;
}

.input_group input {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: 8px;
    font-size: 16px;
    background: rgba(0, 242, 254, 0.05);
    color: #fff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.input_group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    background: rgba(0, 242, 254, 0.1);
}

.input_group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.custom_amount {
    margin: 20px 0;
    width: 100%;
    box-sizing: border-box;
}

.custom_amount input {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: 8px;
    font-size: 16px;
    background: rgba(0, 242, 254, 0.05);
    color: #fff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.custom_amount input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    background: rgba(0, 242, 254, 0.1);
}

.exchange_rate {
    color: var(--primary-color);
    margin: 20px 0;
    font-size: 16px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.submit_btn {
    width: 100%;
    padding: 15px;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
    font-weight: 500;
    letter-spacing: 1px;
}

.submit_btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.4);
}

.pay_notice {
    background: rgba(0, 242, 254, 0.05);
}

.pay_notice h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.notice_content h4 {
    color: var(--primary-color);
    margin: 15px 0;
    font-size: 18px;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.notice_content p {
    color: #fff;
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 16px;
    opacity: 0.9;
}

@media screen and (max-width: 768px) {
    .pay_content {
        padding: 15px;
        margin-top: 80px;
        margin-bottom: 80px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .pay_method, .game_select, .account_info, .amount_select, .pay_notice {
        padding: 20px;
        margin-bottom: 20px;
        width: 100%;
        box-sizing: border-box;
    }
    
    h2 {
        font-size: 20px;
    }
    
    .method_buttons, .game_list, .amount_buttons {
        gap: 10px;
    }
    
    .method_btn, .game_btn, .amount_btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    .input_group label {
        font-size: 14px;
    }
    
    .input_group input, .custom_amount input {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .submit_btn {
        padding: 12px;
        font-size: 16px;
    }
    
    .pay_notice h3 {
        font-size: 18px;
    }
    
    .notice_content h4 {
        font-size: 16px;
    }
    
    .notice_content p {
        font-size: 14px;
    }
}