/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", "PingFang SC", sans-serif;
}

/* 全局样式 */
body {
    background-color: #f0f2f5;
    color: #333;
    padding: 20px;
    line-height: 1.5;
}

/* 主容器 */
.container {
    max-width: 700px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* 页面标题 */
.page-title {
    text-align: center;
    font-size: 24px;
    color: #1f2937;
    margin-bottom: 30px;
    font-weight: 600;
}

/* 分组标题 */
.group-title {
    font-size: 16px;
    color: #1f2937;
    margin-bottom: 15px;
    font-weight: 600;
    position: relative;
    padding-left: 10px;
}

.group-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background-color: #4096ff;
    border-radius: 2px;
}

/* 复选框区域 */
.checkbox-group {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.checkbox-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #4b5563;
}

.checkbox-item input {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    accent-color: #4096ff;
    cursor: pointer;
}

.checkbox-item span:hover {
    color: #4096ff;
}

/* 激活码输入区域 */
.code-group {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.input-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-item label {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
}

.input-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-wrapper i {
    position: absolute;
    left: 12px;
    top: 12px;
    color: #9ca3af;
    font-size: 16px;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 15px 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.input-wrapper input:focus {
    border-color: #4096ff;
    box-shadow: 0 0 0 3px rgba(64, 150, 255, 0.1);
}

.input-wrapper input::placeholder {
    color: #9ca3af;
}

/* 申请码校验提示 */
.tips {
    font-size: 12px;
    line-height: 1;
    padding-left: 10px;
}

/* 按钮区域 */
.btn-area {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
}

.calc-btn {
    padding: 12px 30px;
    background-color: #4096ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.calc-btn:hover {
    background-color: #3385ff;
    transform: translateY(-2px);
}

.reset-btn {
    padding: 12px 30px;
    background-color: #f9fafb;
    color: #6b7280;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.reset-btn:hover {
    background-color: #f3f4f6;
    color: #4b5563;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .page-title {
        font-size: 20px;
    }

    .btn-area {
        flex-direction: column;
    }

    .calc-btn, .reset-btn {
        width: 100%;
        justify-content: center;
    }

    .checkbox-list {
        flex-direction: column;
        gap: 12px;
    }
}