/* 基础布局与重置 */
.z4b831container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f7f8fa;
    color: #222;
    margin: 0;
    line-height: 1.6;
}
.z4b831header {
    background: #222;
    color: #fff;
    padding: 0;
}
.z4b831logo {
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
    padding: 16px 0;
}
.z4b831nav {
    margin-top: -48px;
    float: right;
}
.z4b831nav_list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 24px;
}
.z4b831nav_link {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
}
.z4b831nav_link:hover {
    color: #ffb300;
}
.z4b831banner {
    background: url('banner.jpg') center/cover no-repeat, #1a1a1a;
    color: #fff;
    text-align: center;
    padding: 64px 0 48px 0;
}
.z4b831banner_title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.z4b831banner_desc {
    font-size: 1.2rem;
    margin-bottom: 32px;
}
.z4b831btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 24px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: background 0.2s;
}
.z4b831btn_primary {
    background: #ffb300;
    color: #222;
    font-weight: bold;
}
.z4b831btn_primary:hover {
    background: #e09e00;
}
.z4b831section {
    padding: 48px 0;
    background: #fff;
    margin-bottom: 16px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.z4b831section_title {
    font-size: 2rem;
    margin-bottom: 16px;
    color: #222;
    text-align: center;
}
.z4b831section_desc {
    font-size: 1.1rem;
    color: #444;
    text-align: center;
    margin-bottom: 0;
}
.z4b831services_list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    margin-top: 32px;
}
.z4b831service_item {
    background: #f2f2f2;
    border-radius: 8px;
    padding: 24px;
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 260px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    text-align: center;
}
.z4b831service_title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #222;
}
.z4b831service_desc {
    font-size: 1rem;
    color: #555;
}
.z4b831advantages_list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    padding: 0;
    list-style: none;
}
.z4b831advantage_item {
    background: #e3eaf1;
    border-radius: 6px;
    padding: 16px 24px;
    font-size: 1rem;
    color: #222;
    min-width: 180px;
    text-align: center;
}
.z4b831footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 24px 0 12px 0;
    border-radius: 0 0 8px 8px;
}
.z4b831footer_text {
    margin: 0;
    font-size: 1rem;
}
/* 页脚联系我们 */
.z4b831footer_contact {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    font-size: 0.98rem;
    color: #fff;
}
.z4b831footer_contact_item {
    margin: 0 8px;
    white-space: nowrap;
}
/* 服务流程 */
.z4b831process_list {
    list-style: decimal inside;
    padding: 0;
    margin: 24px 0 0 0;
    color: #333;
    font-size: 1.1rem;
}
.z4b831process_item {
    margin-bottom: 10px;
    padding-left: 4px;
}

/* 常见问题 */
.z4b831faq_list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 24px;
}
.z4b831faq_item {
    background: #f8f9fb;
    border-left: 4px solid #ffb300;
    padding: 16px 20px;
    border-radius: 6px;
}
.z4b831faq_q {
    font-weight: bold;
    color: #222;
    margin: 0 0 6px 0;
}
.z4b831faq_a {
    margin: 0;
    color: #444;
}

/* 客户评价 */
.z4b831testimonials_list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 24px;
}
.z4b831testimonial_item {
    background: #f2f2f2;
    border-radius: 8px;
    padding: 20px 24px;
    min-width: 200px;
    max-width: 320px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.z4b831testimonial_text {
    font-size: 1rem;
    color: #333;
    margin: 0;
}
.z4b831testimonial_author {
    font-size: 0.95rem;
    color: #888;
    align-self: flex-end;
}

/* 行业资讯 */
.z4b831news_list {
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
}
.z4b831news_item {
    padding: 10px 0;
    border-bottom: 1px solid #eaeaea;
    color: #444;
    font-size: 1rem;
}
.z4b831news_item:last-child {
    border-bottom: none;
}

/* 合作伙伴 */
.z4b831partners_list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    list-style: none;
    padding: 0;
}
.z4b831partner_item {
    background: #e3eaf1;
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 1rem;
    color: #222;
    min-width: 120px;
    text-align: center;
}

/* 资质荣誉 */
.z4b831honors_list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    list-style: none;
    padding: 0;
}
.z4b831honor_item {
    background: #fffbe6;
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 1rem;
    color: #b48a00;
    min-width: 140px;
    text-align: center;
    border: 1px solid #ffe58f;
}

/* 横幅图片与文字并列布局 */
.z4b831banner_flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.z4b831banner_text {
    flex: 1 1 0;
    min-width: 0;
}
.z4b831banner_img_wrap {
    flex: 0 0 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    max-width: 380px;
}
.z4b831banner_img {
    width: 100%;
    max-width: 340px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    background: #fff;
}

/* 关于我们卡片式框架布局 */
.z4b831about_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px 24px;
    margin-top: 32px;
}
.z4b831about_card {
    background: #f8f9fb;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 22px 18px 18px 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.2s;
}
.z4b831about_card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.10);
}
.z4b831about_card_title {
    font-size: 1.15rem;
    font-weight: bold;
    color: #222;
    margin: 0 0 10px 0;
}
.z4b831about_card_desc {
    font-size: 1rem;
    color: #444;
    margin: 0;
    line-height: 1.7;
}

/* 关于我们板块整体背景和分隔 */
.z4b831about {
    background: #f6f8fa;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
    border: 1.5px solid #e3eaf1;
    padding: 36px 0 32px 0;
    margin-bottom: 24px;
    position: relative;
}
.z4b831about_intro {
    margin: 0 0 32px 0;
    font-size: 1.08rem;
    color: #333;
    text-align: center;
}
.z4b831about_teamenv {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 32px;
}
.z4b831about_team, .z4b831about_env {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1.5px solid #e3eaf1;
    padding: 22px 18px 18px 18px;
    margin-bottom: 0;
}
.z4b831about_team {
    flex: 2 1 340px;
    min-width: 220px;
}
.z4b831about_env {
    flex: 1 1 200px;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.z4b831about_culture {
    background: #fffbe6;
    border-radius: 10px;
    border: 1.5px solid #ffe58f;
    box-shadow: 0 2px 12px rgba(255,179,0,0.07);
    padding: 20px 16px;
    color: #b48a00;
    font-size: 1.05rem;
    margin-top: 0;
    margin-bottom: 0;
    text-align: center;
}
.z4b831about_subtitle {
    font-size: 1.08rem;
    font-weight: bold;
    color: #1a1a1a;
    margin: 0 0 12px 0;
}
.z4b831about_team_list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.z4b831about_team_list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #f8f9fb;
    border-radius: 8px;
    border: 1.5px solid #e3eaf1;
    padding: 12px 14px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}
.z4b831about_avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e3eaf1 60%, #ffb300 100%);
    display: inline-block;
    margin-right: 4px;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

/* 服务项目卡片式框架布局 */
.z4b831services_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px 28px;
    margin-top: 32px;
}
.z4b831service_card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1.5px solid #e3eaf1;
    padding: 24px 18px 18px 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
}
.z4b831service_card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    transform: translateY(-4px) scale(1.02);
}
.z4b831service_icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
    color: #ffb300;
    line-height: 1;
}
.z4b831service_title {
    font-size: 1.18rem;
    font-weight: bold;
    color: #222;
    margin: 0 0 10px 0;
}
.z4b831service_desc {
    font-size: 1rem;
    color: #444;
    margin: 0 0 12px 0;
    line-height: 1.7;
}
.z4b831service_highlights {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.z4b831service_highlights li {
    background: #f6f8fa;
    color: #ffb300;
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 0.97rem;
    font-weight: 500;
    margin-bottom: 4px;
}

/* 优化后的我们的优势板块样式 */
.z4b831advantages {
    background: linear-gradient(135deg, #fffbe6 0%, #fff 100%);
    border-radius: 16px;
    padding: 48px 0 40px 0;
    margin-bottom: 24px;
    box-shadow: 0 6px 32px rgba(255,179,0,0.08);
    position: relative;
}
.z4b831advantages_grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px 36px;
    margin-top: 36px;
}
.z4b831advantage_card {
    background: rgba(255,255,255,0.85);
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(255,179,0,0.10);
    padding: 32px 28px 22px 28px;
    min-width: 220px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
}
.z4b831advantage_card:hover {
    box-shadow: 0 12px 40px rgba(255,179,0,0.18);
    transform: translateY(-6px) scale(1.04);
    background: #fffde7;
}
.z4b831advantage_icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #ffecb3 60%, #ffb300 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.3rem;
    margin-bottom: 18px;
    color: #fff;
    box-shadow: 0 2px 12px rgba(255,179,0,0.13);
}
.z4b831advantage_title {
    font-size: 1.18rem;
    font-weight: bold;
    color: #b48a00;
    margin: 0 0 8px 0;
    position: relative;
}
.z4b831advantage_title::after {
    content: '';
    display: block;
    width: 36px;
    height: 3px;
    background: #ffb300;
    border-radius: 2px;
    margin: 8px auto 0 auto;
}
.z4b831advantage_desc {
    font-size: 1rem;
    color: #444;
    margin: 0;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z4b831services_list {
        flex-direction: column;
        align-items: center;
    }
    .z4b831nav_list {
        gap: 12px;
    }
    .z4b831testimonials_list,
    .z4b831partners_list,
    .z4b831honors_list {
        flex-direction: column;
        align-items: center;
    }
    .z4b831banner_flex {
        flex-direction: column;
        gap: 18px;
        align-items: stretch;
    }
    .z4b831banner_img_wrap {
        max-width: 100%;
        flex: none;
        margin: 0 auto;
    }
    .z4b831banner_img {
        max-width: 90vw;
    }
    .z4b831about_teamenv {
        flex-direction: column;
        gap: 18px;
    }
    .z4b831about_team, .z4b831about_env {
        min-width: 0;
    }
    .z4b831services_grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px 10px;
        margin-top: 18px;
    }
    .z4b831advantages_grid {
        gap: 18px 10px;
    }
    .z4b831advantage_card {
        min-width: 0;
        max-width: 100%;
        padding: 18px 8px 12px 8px;
    }
}
@media (max-width: 600px) {
    .z4b831container {
        padding: 0 6px;
    }
    .z4b831banner_title {
        font-size: 1.5rem;
    }
    .z4b831section_title {
        font-size: 1.3rem;
    }
    .z4b831service_item {
        padding: 16px;
        min-width: 0;
        max-width: 100%;
    }
    .z4b831advantage_item {
        padding: 10px 8px;
        min-width: 0;
    }
    .z4b831footer {
        padding: 16px 0 8px 0;
    }
    .z4b831faq_item,
    .z4b831testimonial_item,
    .z4b831partner_item,
    .z4b831honor_item {
        padding: 10px 8px;
        min-width: 0;
        max-width: 100%;
    }
    .z4b831footer_contact {
        flex-direction: column;
        gap: 6px;
        align-items: center;
    }
    .z4b831footer_contact_item {
        margin: 0;
    }
    .z4b831about_grid {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 18px;
    }
    .z4b831about_card {
        padding: 14px 8px 10px 8px;
    }
    .z4b831about_card_title {
        font-size: 1rem;
    }
    .z4b831about_card_desc {
        font-size: 0.97rem;
    }
    .z4b831about_intro {
        font-size: 1rem;
        margin-bottom: 18px;
    }
    .z4b831about_teamenv {
        gap: 10px;
        margin-bottom: 16px;
    }
    .z4b831about_team_list li, .z4b831about_env, .z4b831about_culture {
        padding: 10px 6px;
        font-size: 0.97rem;
    }
    .z4b831about_avatar {
        width: 32px;
        height: 32px;
    }
    .z4b831about {
        padding: 18px 0 12px 0;
    }
    .z4b831service_card {
        padding: 14px 8px 10px 8px;
    }
    .z4b831service_icon {
        font-size: 1.5rem;
        margin-bottom: 6px;
    }
    .z4b831service_title {
        font-size: 1rem;
    }
    .z4b831service_desc {
        font-size: 0.97rem;
    }
    .z4b831service_highlights li {
        font-size: 0.93rem;
        padding: 3px 8px;
    }
    .z4b831advantage_card {
        padding: 12px 6px 8px 6px;
    }
    .z4b831advantage_icon {
        font-size: 1.3rem;
        margin-bottom: 4px;
    }
    .z4b831advantage_title {
        font-size: 1rem;
    }
    .z4b831advantage_desc {
        font-size: 0.93rem;
    }
    .z4b831advantages {
        padding: 18px 0 12px 0;
    }
    .z4b831advantages_grid {
        flex-direction: column;
        gap: 12px;
        margin-top: 10px;
    }
    .z4b831advantage_icon {
        width: 44px;
        height: 44px;
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    .z4b831nav_list {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    .z4b831nav {
        float: none;
        margin-top: 0;
    }
    .z4b831nav_list {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        gap: 8px;
        width: 100%;
        padding-bottom: 2px;
        scrollbar-width: thin;
    }
    .z4b831nav_list::-webkit-scrollbar {
        height: 4px;
    }
    .z4b831nav_list::-webkit-scrollbar-thumb {
        background: #eee;
        border-radius: 2px;
    }
    .z4b831nav_link {
        font-size: 0.97rem;
        padding: 0 6px;
    }
} 

/* 服务流程卡片式框架布局 */
.z4b831process_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 24px 28px;
    margin-top: 32px;
}
.z4b831process_card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1.5px solid #e3eaf1;
    padding: 22px 16px 18px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
}
.z4b831process_card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    transform: translateY(-4px) scale(1.02);
}
.z4b831process_icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ffecb3 60%, #ffb300 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    margin-bottom: 14px;
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,179,0,0.10);
}
.z4b831process_title {
    font-size: 1.08rem;
    font-weight: bold;
    color: #b48a00;
    margin: 0 0 8px 0;
    position: relative;
}
.z4b831process_desc {
    font-size: 0.97rem;
    color: #444;
    margin: 0;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z4b831process_grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px 10px;
        margin-top: 18px;
    }
}
@media (max-width: 600px) {
    .z4b831process_grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 10px;
    }
    .z4b831process_card {
        padding: 12px 6px 8px 6px;
    }
    .z4b831process_icon {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    .z4b831process_title {
        font-size: 0.97rem;
    }
    .z4b831process_desc {
        font-size: 0.93rem;
    }
} 

/* 服务流程时间轴/流程线样式 */
.z4b831process {
    background: linear-gradient(90deg, #fffbe6 0%, #fff 100%);
    border-radius: 16px;
    padding: 48px 0 40px 0;
    margin-bottom: 24px;
    box-shadow: 0 6px 32px rgba(255,179,0,0.08);
    position: relative;
}
.z4b831process_timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    gap: 0;
    margin-top: 48px;
}
.z4b831process_timeline::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 8%;
    right: 8%;
    height: 4px;
    background: linear-gradient(90deg, #ffe082 0%, #ffb300 100%);
    z-index: 0;
}
.z4b831process_card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(255,179,0,0.10);
    padding: 28px 18px 18px 18px;
    min-width: 180px;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}
.z4b831process_step {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ffecb3 60%, #ffb300 100%);
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -38px auto 12px auto;
    box-shadow: 0 2px 8px rgba(255,179,0,0.13);
    border: 3px solid #fff;
}
.z4b831process_icon {
    font-size: 1.2rem;
    color: #ffb300;
    margin-bottom: 8px;
}
.z4b831process_title {
    font-size: 1.08rem;
    font-weight: bold;
    color: #b48a00;
    margin: 0 0 8px 0;
}
.z4b831process_desc {
    font-size: 0.97rem;
    color: #444;
    margin: 0;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z4b831process_timeline {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
    .z4b831process_timeline::before {
        top: 0;
        left: 50%;
        right: auto;
        width: 4px;
        height: 100%;
        background: linear-gradient(180deg, #ffe082 0%, #ffb300 100%);
    }
    .z4b831process_card {
        min-width: 0;
        max-width: 100%;
        margin-bottom: 0;
    }
    .z4b831process_step {
        margin: -24px auto 8px auto;
    }
}
@media (max-width: 600px) {
    .z4b831process {
        padding: 18px 0 12px 0;
    }
    .z4b831process_card {
        padding: 12px 6px 8px 6px;
    }
    .z4b831process_step {
        width: 32px;
        height: 32px;
        font-size: 1rem;
        margin: -16px auto 6px auto;
    }
    .z4b831process_icon {
        font-size: 1rem;
        margin-bottom: 4px;
    }
    .z4b831process_title {
        font-size: 0.97rem;
    }
    .z4b831process_desc {
        font-size: 0.93rem;
    }
} 

/* 常见问题卡片式问答框架布局 */
.z4b831faq_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px 28px;
    margin-top: 32px;
}
.z4b831faq_card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1.5px solid #e3eaf1;
    padding: 22px 16px 18px 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
}
.z4b831faq_card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    transform: translateY(-4px) scale(1.02);
}
.z4b831faq_icon {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffb300;
    line-height: 1;
}
.z4b831faq_q {
    font-size: 1.08rem;
    font-weight: bold;
    color: #b48a00;
    margin: 0 0 8px 0;
}
.z4b831faq_a {
    font-size: 0.97rem;
    color: #444;
    margin: 0;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z4b831faq_grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px 10px;
        margin-top: 18px;
    }
}
@media (max-width: 600px) {
    .z4b831faq_grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 10px;
    }
    .z4b831faq_card {
        padding: 12px 6px 8px 6px;
    }
    .z4b831faq_icon {
        font-size: 1.1rem;
        margin-bottom: 4px;
    }
    .z4b831faq_q {
        font-size: 0.97rem;
    }
    .z4b831faq_a {
        font-size: 0.93rem;
    }
} 

/* 常见问题手风琴折叠问答样式 - 紧凑版 */
.z4b831faq {
    background: #f7f8fa;
    border-radius: 16px;
    padding: 28px 0 18px 0;
    margin-bottom: 18px;
}
.z4b831faq_accordion {
    max-width: 900px;
    margin: 18px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.z4b831faq_item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.04);
    border-left: 4px solid #ffb300;
    transition: box-shadow 0.2s, border-color 0.2s;
    overflow: hidden;
}
.z4b831faq_item[open], .z4b831faq_item:hover {
    box-shadow: 0 4px 16px rgba(255,179,0,0.10);
    border-color: #b48a00;
}
.z4b831faq_qrow {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 12px;
    font-size: 1rem;
    font-weight: bold;
    color: #b48a00;
    user-select: none;
    outline: none;
}
.z4b831faq_qicon {
    font-size: 1.1rem;
    margin-right: 8px;
}
.z4b831faq_a {
    background: #fffbe6;
    color: #444;
    font-size: 0.93rem;
    padding: 10px 12px 8px 32px;
    border-top: 1px solid #ffe082;
    line-height: 1.6;
    animation: fadeInFaq 0.3s;
}
@keyframes fadeInFaq {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: none; }
}
@media (max-width: 600px) {
    .z4b831faq {
        padding: 10px 0 6px 0;
    }
    .z4b831faq_accordion {
        gap: 4px;
    }
    .z4b831faq_qrow, .z4b831faq_a {
        padding: 7px 4px 7px 18px;
        font-size: 0.92rem;
    }
    .z4b831faq_qicon {
        font-size: 0.95rem;
        margin-right: 4px;
    }
}