/* ==========================================================================
   About us page (BEM block: about-us)
   ========================================================================== */

.page-main--about-us {
    padding: 0;
    gap: 0;
    display: flex;
    flex-direction: column;
    align-self: stretch;
    width: 100%;
    min-width: 0;
    min-height: min-content;
    overflow: visible;
}

.about-us {
    align-self: stretch;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 26px 40px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    overflow: visible;
}

.about-us__inner {
    width: 100%;
    max-width: 1220px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    overflow: visible;
}

/* Breadcrumb */

.about-us__breadcrumb {
    align-self: stretch;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    font-size: 13px;
    line-height: 1;
}

.about-us__breadcrumb-link {
    color: #676d85;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    text-decoration: none;
    transition: color 0.2s ease;
}

.about-us__breadcrumb-link:hover {
    color: #a7acc2;
}

.about-us__breadcrumb-sep {
    color: #404660;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
}

.about-us__breadcrumb-current {
    color: #8a6bff;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 600;
}

/* Page header */

.about-us__page-header {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    overflow: hidden;
}

.about-us__page-title-row {
    display: flex;
    align-items: center;
    gap: 13px;
    overflow: hidden;
}

.about-us__page-accent {
    width: 5px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 5px;
    background: linear-gradient(180deg, #8a6bff 0%, #26d7e6 100%);
}

.about-us__page-title {
    margin: 0;
    color: #eef0f8;
    font-size: 26px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.about-us__page-desc {
    align-self: stretch;
    margin: 0;
    color: #a7acc2;
    font-size: 16px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 29.6px;
}

/* Section card */

.about-us__card {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 26px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    overflow: hidden;
    box-sizing: border-box;
}

.about-us__card--lg-gap {
    gap: 16px;
}

.about-us__card--center {
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 30px;
}

.about-us__section-header {
    display: flex;
    align-items: center;
    gap: 11px;
    overflow: hidden;
}

.about-us__section-accent {
    width: 4px;
    height: 18px;
    flex-shrink: 0;
    border-radius: 4px;
    background: linear-gradient(180deg, #8a6bff 0%, #26d7e6 100%);
}

.about-us__section-title {
    margin: 0;
    color: #eef0f8;
    font-size: 18px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.about-us__paragraph {
    align-self: stretch;
    margin: 0;
    color: #a7acc2;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 25.9px;
    white-space: pre-line;
}

.about-us__paragraph--tight {
    line-height: 23.8px;
}

/* Notice boxes */

.about-us__notice {
    align-self: stretch;
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 20px;
    border-radius: 18px;
    overflow: hidden;
    box-sizing: border-box;
}

.about-us__notice--purple {
    background: #1a1633;
    border: 1px solid rgba(138, 107, 255, 0.32);
}

.about-us__notice--purple .about-us__notice-text {
    color: #8a6bff;
}

.about-us__notice--amber {
    background: #2a2310;
    border: 1px solid rgba(246, 183, 60, 0.32);
}

.about-us__notice--amber .about-us__notice-icon,
.about-us__notice--amber .about-us__notice-text {
    color: #f6b73c;
}

.about-us__notice-icon {
    flex-shrink: 0;
    font-size: 18px;
    line-height: 1;
}

.about-us__notice-icon-img {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.about-us__notice-text {
    flex: 1 1 0;
    min-width: 0;
    margin: 0;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 24.92px;
}

/* Bullet list */

.about-us__list {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.about-us__list-item {
    align-self: stretch;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-top: 2px;
    overflow: hidden;
}

.about-us__list-bullet {
    width: 7px;
    height: 7px;
    flex-shrink: 0;
    margin-top: 9px;
    border-radius: 4px;
    background: linear-gradient(90deg, #8a6bff 0%, #26d7e6 100%);
}

.about-us__list-text {
    flex: 1 1 0;
    min-width: 0;
    margin: 0;
    color: #a7acc2;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 24.5px;
}

/* Pricing cards */

.about-us__pricing-list {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    overflow: hidden;
}

.about-us__pricing-card {
    align-self: stretch;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-sizing: border-box;
    overflow: hidden;
}

.about-us__pricing-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.about-us__pricing-name {
    margin: 0;
    color: #eef0f8;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 600;
    line-height: 1.2;
    flex-shrink: 0;
}

.about-us__pricing-price {
    margin: 0;
    font-size: 19px;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 800;
    line-height: 1;
    flex-shrink: 0;
    background: linear-gradient(90deg, #8a6bff 0%, #5b9dff 52%, #26d7e6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.about-us__pricing-desc {
    flex: 1 1 200px;
    min-width: 0;
    margin: 0;
    color: #a7acc2;
    font-size: 13px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 20.8px;
}

/* Tip row */

.about-us__tip {
    align-self: stretch;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    overflow: hidden;
}

.about-us__tip-icon {
    flex-shrink: 0;
    font-size: 15px;
    line-height: 1.4;
}

.about-us__tip-icon-img {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.about-us__tip-text {
    flex: 1 1 0;
    min-width: 0;
    margin: 0;
    color: #a7acc2;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    line-height: 24.5px;
}

/* QR code */

.about-us__qr {
    width: 224px;
    height: 224px;
    border-radius: 24px;
    object-fit: cover;
    display: block;
    background: #fff;
}

.about-us__qr-caption {
    margin: 0;
    color: #a7acc2;
    font-size: 14px;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-weight: 400;
    text-align: center;
}

/* ==========================================================================
   About us — Tablet (min-width: 768px and max-width: 1024px)
   ========================================================================== */

@media (min-width: 768px) and (max-width: 1024px) {
    /* 与 main.css 平板布局配合：主栏纵向铺满，避免 flex 子项高度塌陷 */
    .main-column {
        flex: 1 1 auto;
        width: 100%;
        min-width: 0;
        overflow: visible;
    }

    .page-main--about-us {
        flex: none;
        align-self: stretch;
        width: 100%;
        min-height: auto;
        padding: 24px 20px 40px;
        gap: 0;
        overflow: visible;
    }

    .about-us {
        flex: none;
        align-self: stretch;
        align-items: stretch;
        width: 100%;
        padding: 0;
        overflow: visible;
    }

    .about-us__inner {
        max-width: 100%;
        overflow: visible;
    }

    .about-us__pricing-card {
        flex-direction: column;
        align-items: stretch;
    }

    .about-us__pricing-head {
        align-self: stretch;
    }

    .about-us__pricing-desc {
        flex: none;
        width: 100%;
    }
}

/* ==========================================================================
   About us — Mobile (max-width: 767px)
   ========================================================================== */

@media (max-width: 767px) {
    .page-main--about-us {
        padding: 16px 16px 24px;
        gap: 20px;
    }

    .about-us {
        padding: 0;
        overflow: visible;
    }

    .about-us__inner {
        gap: 18px;
        overflow: visible;
    }

    .about-us__breadcrumb {
        display: none;
    }

    .about-us__page-header {
        gap: 14px;
    }

    .about-us__page-title {
        font-size: 20px;
        line-height: 1.28;
    }

    .about-us__page-desc {
        font-size: 14px;
        line-height: 25.9px;
    }

    .about-us__card {
        padding: 18px;
        border-radius: 24px;
        gap: 14px;
    }

    .about-us__card--lg-gap {
        gap: 16px;
    }

    .about-us__card--center {
        padding: 30px;
        gap: 16px;
    }

    .about-us__paragraph--tight {
        line-height: 23.8px;
    }

    .about-us__notice--purple {
        padding: 18px;
    }

    .about-us__notice--amber {
        padding: 20px;
    }

    .about-us__pricing-card {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        gap: 16px;
    }

    .about-us__pricing-head {
        align-self: stretch;
        flex-wrap: nowrap;
        align-items: flex-start;
        gap: 16px;
    }

    .about-us__pricing-name {
        flex: 1 1 0;
        min-width: 0;
    }

    .about-us__pricing-price {
        flex-shrink: 0;
    }

    .about-us__pricing-desc {
        flex: none;
        align-self: stretch;
        width: 100%;
        line-height: 20.8px;
    }

    .about-us__qr {
        width: 224px;
        height: 224px;
        max-width: 100%;
        border-radius: 24px;
    }

    .about-us__card .about-us__paragraph {
        line-height: 25.2px;
    }
}