.about-hero {
    position: relative;
    min-height: 885px;
    background: #FFFFFF;
    overflow: hidden;
    padding-bottom: 0;
}

.about-hero-decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.about-hero-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid #EBEBEB;
    background: #FFFFFF;
}

.about-hero-circle-1 {
    width: 1400px;
    height: 1400px;
    left: 260px;
    top: 0;
}

.about-hero-circle-2 {
    width: 966.72px;
    height: 966.72px;
    left: 476.64px;
    top: 216.64px;
}

.about-hero-dot {
    position: absolute;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid #EBEBEB;
    box-shadow: 0px 4px 33.8px 0px rgba(119, 145, 196, 0.11);
}

.about-hero-dot-1 {
    width: 78px;
    height: 78px;
    left: 921px;
    top: 180.88px;
}

.about-hero-dot-2 {
    width: 88px;
    height: 88px;
    left: 1422.98px;
    top: 170.88px;
}

.about-hero-dot-3 {
    width: 78px;
    height: 78px;
    left: 1402px;
    top: 623.24px;
}

.about-hero-dot-4 {
    width: 100px;
    height: 100px;
    left: 426.64px;
    top: 680.69px;
}

.about-hero-dot-5 {
    width: 70px;
    height: 70px;
    left: 327.92px;
    top: 303.55px;
}

.about-hero-icon {
    position: absolute;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.about-hero-icon-1 {
    width: 36px;
    height: 36px;
    left: 344.92px;
    top: 320.55px;
    background-image: url("data:image/svg+xml,%3Csvg width='36' height='36' viewBox='0 0 36 36' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M18 6V30M6 18H30' stroke='%23256EFF' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.about-hero-icon-2 {
    width: 45px;
    height: 45px;
    left: 454.14px;
    top: 708.19px;
    background-image: url("data:image/svg+xml,%3Csvg width='45' height='45' viewBox='0 0 45 45' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='22.5' cy='22.5' r='8' stroke='%23256EFF' stroke-width='2'/%3E%3Cpath d='M22.5 10V6M22.5 39V35M35 22.5H39M6 22.5H10' stroke='%23256EFF' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.about-hero-icon-3 {
    width: 40px;
    height: 40px;
    left: 1446.98px;
    top: 194.88px;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='8' y='8' width='24' height='24' rx='4' stroke='%23256EFF' stroke-width='2'/%3E%3Cpath d='M14 20L18 24L26 16' stroke='%23256EFF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.about-hero-icon-4 {
    width: 31px;
    height: 31px;
    left: 944.5px;
    top: 204.38px;
    background-image: url("data:image/svg+xml,%3Csvg width='31' height='31' viewBox='0 0 31 31' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='15.5' cy='15.5' r='6' fill='%23256EFF'/%3E%3C/svg%3E");
}

.about-hero-content {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 247px;
    max-width: 1400px;
    margin: 0 auto;
}

.about-hero-logo {
    width: 237px;
    height: auto;
    margin-bottom: 56px;
}

.about-hero-desc {
    max-width: 732px;
    font-family: var(--font-pingfang);
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
    color: var(--color-text-gray);
    text-align: center;
}

.about-hero-scroll {
    position: absolute;
    bottom: 114px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

.about-hero-scroll-line {
    width: 0;
    height: 80px;
    border-left: 1px dashed #B8B8B8;
    border-radius: 30px;
}

.about-section .section-block {
    padding: 80px 0;
}

/* 团队能力 */
.about-capability-section .section-title-group {
    width: 152px;
}

.about-capability-cards {
    display: flex;
    gap: 24px;
    width: 100%;
    justify-content: center;
}

.about-capability-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 451px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}

.about-capability-card:hover {
    box-shadow: 0 8px 24px rgba(0, 38, 118, 0.08);
    transform: translateY(-2px);
}

.about-capability-title {
    font-family: var(--font-pingfang);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.4em;
    letter-spacing: 0.03em;
    color: var(--color-text-dark);
    padding: 16px 0;
}

.about-capability-image {
    width: 100%;
    height: 228px;
    background: #FCFCFC;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-capability-image img {
    max-width: 100%;
    max-height: 100%;
    opacity: 0.3;
    object-fit: contain;
}

/* 团队研发基础 */
.about-rd-section .section-block {
    container-type: inline-size;
    container-name: rd-section;
}

.about-rd-section .section-title-group {
    width: 228px;
}

.about-rd-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    width: 100%;
    max-width: 1400px;
}

.about-rd-item {
    min-width: 450.67px;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 32px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: box-shadow 0.3s;
    /* 最小宽度 + 可伸缩 */
    min-width: 450.67px;
    flex-grow: 1;
    flex-basis: calc((100% - 24px * 2) / 3);
}

.about-rd-item:hover {
    box-shadow: 0 8px 24px rgba(0, 38, 118, 0.08);
}

/* @container rd-section (min-width: 1400px) {
    .about-rd-list {
        grid-template-columns: repeat(6, 1fr);
    }

    .about-rd-item:nth-child(-n+3) {
        grid-column: span 2;
    }

    .about-rd-item:nth-child(n+4) {
        grid-column: span 3;
    }
}

@container rd-section (min-width: 1000px) and (max-width: 1399px) {
    .about-rd-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-rd-item:nth-child(n) {
        grid-column: span 1;
    }

    .about-rd-item:nth-child(5) {
        grid-column: span 2;
    }
}

@container rd-section (max-width: 999px) {
    .about-rd-list {
        grid-template-columns: 1fr;
    }

    .about-rd-item:nth-child(n) {
        grid-column: span 1;
        min-width: auto;
    }
} */

.about-rd-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: #F4F5F6;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-rd-icon svg {
    width: 24px;
    height: 24px;
}

.about-rd-text {
    font-family: var(--font-pingfang);
    font-size: 16px;
    font-weight: 400;
    line-height: 28px;
    letter-spacing: 0.03em;
    color: var(--color-text-gray);
}

.about-rd-text strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-dark);
}

/* 已完成技术验证 */
.about-validation-section .section-title-group {
    width: 266px;
}

.about-validation {
    position: relative;
    width: 100%;
    max-width: 1275px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-validation-image {
    width: 100%;
    max-width: 1275px;
    height: auto;
    display: block;
}


/* 响应式 */
@media (max-width: 1400px) {
    .about-hero-circle-1,
    .about-hero-circle-2 {
        left: 50%;
        transform: translateX(-50%);
    }

    .about-hero-circle-1 {
        width: 1200px;
        height: 1200px;
    }

    .about-hero-circle-2 {
        width: 800px;
        height: 800px;
    }

    .about-capability-cards {
        flex-wrap: wrap;
    }

    .about-capability-card {
        width: calc(50% - 12px);
        min-width: 300px;
        flex: 1 1 auto;
    }

}

@media (max-width: 1024px) {
    .about-hero {
        min-height: auto;
        padding-bottom: 120px;
    }

    .about-hero-content {
        padding-top: 160px;
    }

    .about-hero-logo {
        width: 180px;
        margin-bottom: 32px;
    }

    .about-hero-desc {
        font-size: 16px;
        line-height: 28px;
        padding: 0 24px;
    }

    .about-hero-circle-1,
    .about-hero-circle-2,
    .about-hero-dot,
    .about-hero-icon {
        display: none;
    }

    .about-validation-image {
        padding: 0 24px;
    }
}

@media (max-width: 768px) {
    .about-section .section-block {
        padding: 60px 0;
    }

    .about-capability-card {
        width: 100%;
        max-width: 450px;
    }
}