/* ==================== 内容区域容器 ==================== */
    .gzy_support {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
    }

    /* ==================== 模块通用样式 ==================== */
    .support-section {
        margin-bottom: 50px;
    }

    .support-section__title {
        font-size: 1.6rem;
        font-weight: 700;
        color: #1a1a1a;
        text-align: center;
        margin-bottom: 30px;
    }

/* ==================== 第一行：左文字右图片 + 下方三列 ==================== */
.support-hero {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

/* 上部：左文字右图片 */
.support-hero__top {
    display: flex;
    gap: 40px;
    align-items: center;
    padding: 40px;
}

.support-hero__text {
    flex: 1;
}

.support-hero__heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.support-hero__desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

.support-hero__img-wrapper {
    flex: 1;
}

.support-hero__img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    object-fit: cover;
}

/* 下部：三列信息 */
.support-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--border);
}

.support-info-item {
    padding: 24px 20px;
    text-align: center;
}

.support-info-item + .support-info-item {
    border-left: 1px solid var(--border);
}

.support-info-item__title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.support-info-item__desc {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .support-hero__top {
        flex-direction: column;
        padding: 24px;
        gap: 20px;
    }

    .support-hero__heading {
        font-size: 1.3rem;
    }

    .support-info-grid {
        grid-template-columns: 1fr;
    }

    .support-info-item + .support-info-item {
        border-left: none;
        border-top: 1px solid var(--border);
    }

    .support-info-item {
        padding: 18px 16px;
    }
}

    /* ==================== 第二行：三个模块一行 ==================== */
    .support-features {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--gap);
    }

    .support-feature-item {
        background: #fff;
        border-radius: var(--radius);
        padding: 28px 24px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        text-align: center;
    }

    .support-feature-item__title {
        font-size: 1.1rem;
        font-weight: 700;
        color: #1a1a1a;
        margin-bottom: 10px;
    }

    .support-feature-item__desc {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.7;
    }

    /* ==================== 第三行：单个大模块 ==================== */
    .support-cta {
        background: #fff;
        border-radius: var(--radius);
        padding: 40px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        text-align: center;
    }

    .support-cta__title {
        font-size: 1.4rem;
        font-weight: 700;
        color: #1a1a1a;
        margin-bottom: 16px;
    }

    .support-cta__desc {
        font-size: 1rem;
        color: var(--text-light);
        line-height: 1.8;
        max-width: 700px;
        margin: 0 auto 20px;
    }

    .support-cta__btn {
        display: inline-block;
        padding: 12px 32px;
        background: var(--primary);
        color: #fff;
        text-decoration: none;
        border-radius: 8px;
        font-weight: 600;
        font-size: 1rem;
        transition: background 0.2s;
    }

    .support-cta__btn:hover {
        background: var(--primary-dark);
    }

    /* ==================== 第四行：QA问答 ==================== */
    .qa-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
        max-width: 1600px;
        margin: 0 auto;
    }

    .qa-item {
        background: #fff;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
    }

    .qa-item__question {
        width: 100%;
        text-align: left;
        padding: 16px 22px;
        background: none;
        border: none;
        cursor: pointer;
        font-size: 0.95rem;
        font-weight: 600;
        color: #1a1a1a;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-family: inherit;
        transition: background 0.2s;
    }

    .qa-item__question:hover {
        background: #f9fafb;
    }

    .qa-item__icon {
        font-size: 1.2rem;
        color: var(--primary);
        transition: transform 0.3s;
        flex-shrink: 0;
        margin-left: 16px;
    }

    .qa-item--open .qa-item__icon {
        transform: rotate(45deg);
    }

    .qa-item__answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        padding: 0 22px;
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.7;
    }

    .qa-item--open .qa-item__answer {
        max-height: 300px;
        padding: 0 22px 18px;
    }

    /* ==================== 响应式 ==================== */
    @media (max-width: 768px) {
        .support-hero {
            flex-direction: column;
            padding: 24px;
            gap: 20px;
        }

        .support-hero__heading {
            font-size: 1.3rem;
        }

        .support-features {
            grid-template-columns: 1fr;
        }

        .support-cta {
            padding: 28px 20px;
        }

        .support-cta__title {
            font-size: 1.2rem;
        }

        .qa-item__question {
            font-size: 0.9rem;
            padding: 14px 16px;
        }
    }

    @media (max-width: 480px) {
        .gzy_support {
            padding: 20px 14px;
        }

        .support-section__title {
            font-size: 1.3rem;
        }

        .support-hero {
            padding: 18px;
        }
    }





    /* ==================== 保修政策模块 ==================== */
.support-warranty {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.support-warranty__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    text-align: center;
}

.support-warranty__content {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.9;
    max-width: 800px;
    margin: 0 auto;
}

.support-warranty__content p {
    margin-bottom: 12px;
}

.support-warranty__content ul {
    padding-left: 20px;
    margin-bottom: 12px;
}

.support-warranty__content ul li {
    margin-bottom: 6px;
}