/* 产品详情页专属样式 */
.product-detail-wrap {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 24px;
    margin: 40px 0 60px;
    align-items: flex-start;
}

/* 左侧主内容区 */
.product-detail-main {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(22, 93, 255, 0.08);
    padding: 30px;
}
body.night-mode .product-detail-main {
    background-color: #2C3036;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.product-detail-main h2 {
    font-size: 28px;
    color: #2c3e50;
    margin: 0 0 24px;
    font-weight: 700;
    padding-bottom: 12px;
    border-bottom: 2px solid #165DFF;
}
body.night-mode .product-detail-main h2 {
    color: #fff;
    border-bottom-color: #4080FF;
}

.product-section {
    margin-bottom: 32px;
}
.product-section h3 {
    font-size: 20px;
    color: #D32F2F;
    margin: 0 0 16px;
    font-weight: 600;
    padding-left: 12px;
    border-left: 4px solid #D32F2F;
}
body.night-mode .product-section h3 {
    color: #FF6B6B;
    border-left-color: #FF6B6B;
}
.product-section ul {
    margin: 0;
    padding-left: 24px;
}
.product-section li {
    font-size: 15px;
    color: #4E5969;
    line-height: 1.8;
    margin-bottom: 8px;
    list-style-type: disc;
}
body.night-mode .product-section li {
    color: #E5E6EB;
}

/* 左侧返回按钮 */
.product-return-link {
    display: inline-block;
    margin-top: 120px;
    padding: 11px 24px;
    background-color: #9b7070;
    color: #fff !important; /* 强制覆盖a标签默认颜色 */
    font-size: 15px;
    font-weight: 500;
    text-decoration: none !important; /* 移除a标签默认下划线 */
    border-radius: 6px;
    transition: background-color 0.2s ease;
    text-align: center;
}
body.night-mode .product-return-link {
    background-color: #4E5969;
    color: #E5E6EB !important;
}
.product-return-link:hover {
    background-color: #805858;
    text-decoration: none !important; /* hover时也无下划线 */
}
body.night-mode .product-return-link:hover {
    background-color: #6B7280;
}

/* 右侧侧边栏容器 */
.product-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 推荐产品模块 */
.product-recommend-sidebar {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(22, 93, 255, 0.08);
    padding: 20px;
}
body.night-mode .product-recommend-sidebar {
    background-color: #2C3036;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.recommend-title {
    font-size: 18px;
    color: #2c3e50;
    margin: 0 0 16px;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e6eb;
}
body.night-mode .recommend-title {
    color: #fff;
    border-bottom-color: #4E5969;
}

.recommend-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.recommend-item {
    display: block;
    padding: 10px 14px;
    color: #165DFF;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    background-color: #f9fafb;
    border: 1px solid #e5e6eb;
    transition: all 0.2s ease;
}
body.night-mode .recommend-item {
    background-color: #373B41;
    border-color: #4E5969;
    color: #4080FF;
}
.recommend-item:hover {
    color: #fff;
    background-color: #165DFF;
    border-color: #165DFF;
}
body.night-mode .recommend-item:hover {
    background-color: #4080FF;
    border-color: #4080FF;
}

.recommend-empty {
    font-size: 14px;
    color: #4E5969;
    padding: 10px 0;
    text-align: center;
}
body.night-mode .recommend-empty {
    color: #E5E6EB;
}

/* 预约表单模块 */
.product-form {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(22, 93, 255, 0.08);
    padding: 24px;
    border-top: 2px solid #165DFF;
}
body.night-mode .product-form {
    background-color: #2C3036;
    border-top-color: #4080FF;
}

.product-form h4 {
    font-size: 18px;
    color: #000;
    margin: 0 0 20px;
    font-weight: 600;
}
body.night-mode .product-form h4 {
    color: #fff;
}
.product-form h4 span {
    color: #165DFF;
    font-weight: 700;
    background-color: #e8f3ff;
    padding: 2px 6px;
    border-radius: 4px;
}
body.night-mode .product-form h4 span {
    color: #4080FF;
    background-color: #2C3E50;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    color: #4E5969;
    font-weight: 500;
}
body.night-mode .form-group label {
    color: #E5E6EB;
}

.form-group input {
    padding: 10px 14px;
    border: 1px solid #DCDFE6;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s ease;
}
body.night-mode .form-group input {
    background-color: #2C3036;
    border-color: #4E5969;
    color: #fff;
}
.form-group input:focus {
    border-color: #165DFF;
    outline: none;
    box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.1);
}

.form-btn-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-btn {
    padding: 11px 0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-align: center;
    text-decoration: none;
}

.btn-reserve {
    background-color: #D32F2F;
    color: #fff;
}
.btn-reserve:hover {
    background-color: #B71C1C;
}

.btn-cancel {
    background-color: #F5F5F5;
    color: #4E5969;
}
body.night-mode .btn-cancel {
    background-color: #4E5969;
    color: #E5E6EB;
}
.btn-cancel:hover {
    background-color: #E0E0E0;
}
body.night-mode .btn-cancel:hover {
    background-color: #6B7280;
}

.form-tip {
    font-size: 13px;
    color: #D32F2F;
    height: 20px;
    line-height: 20px;
    margin-bottom: 12px;
}
body.night-mode .form-tip {
    color: #FF6B6B;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .product-detail-wrap {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 20px 0 40px;
    }

    .product-detail-main,
    .product-recommend-sidebar,
    .product-form {
        padding: 20px;
    }

    .product-detail-main h2 {
        font-size: 24px;
    }

    .product-section h3 {
        font-size: 18px;
    }

    /* 移动端返回按钮占满宽度 */
    .product-return-link {
        width: 100%;
        padding: 11px 0;
    }

    .recommend-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .recommend-item {
        padding: 6px 12px;
        font-size: 12px;
    }
}