@charset "UTF-8";

.tech-hero-section {
    position: relative;
    height: 100vh;
    min-height: 620px;
    width: 100%;
    overflow: hidden;
    background: #080d14;
}

.tech-hero-bg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

@media (max-width: 767px) {
    .tech-hero-section {
        height: 50vh;
        height: 50dvh;
        min-height: 220px;
    }

    .tech-hero-bg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

.about-graphic-section {
    background: #0c1119;
}

.about-graphic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-card {
    min-height: 280px;
}

.about-card-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-card-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #0f141d;
    padding: 44px 56px;
}

.about-card-text-inner {
    width: 100%;
    max-width: 640px;
}

.about-card-text p {
    margin: 0;
    color: rgba(245, 248, 255, 0.92);
    font-size: clamp(16px, 1.1vw, 22px);
    line-height: 1.75;
    text-align: justify;
    text-justify: inter-ideograph;
    font-family: "Source Han Sans SC-Regular", "Microsoft YaHei", sans-serif;
}

.about-guodu-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #0b1119;
}

.about-guodu-bg {
    width: 100%;
    aspect-ratio: 1920 / 534;
    position: relative;
    z-index: 0;
    background-color: #0b1119;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

.about-guodu-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(8, 12, 18, 0.2) 0%, rgba(8, 12, 18, 0.3) 100%);
}

@media (max-width: 767px) {
    .about-guodu-bg {
        background-attachment: scroll;
    }
}

.about-team-section {
    background: #0b0f16;
    padding: 72px 0 86px;
}

.about-team-shell {
    width: min(1240px, 100%);
    margin: 0 auto;
    padding: 0 24px;
}

.about-team-title {
    margin: 0 0 44px;
    text-align: center;
    color: #ffffff;
    font-size: clamp(30px, 2.2vw, 46px);
    line-height: 1.15;
    font-family: "Source Han Sans SC-Regular", "Microsoft YaHei", sans-serif;
}

.about-team-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 24px;
}

.about-team-card {
    display: flex;
    flex-direction: column;
}

.about-team-photo {
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: #131821;
}

.about-team-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-team-name {
    margin: 14px 0 0;
    padding: 0 12px;
    color: #f2f6ff;
    text-align: center;
    font-size: clamp(18px, 1.15vw, 24px);
    line-height: 1.35;
    font-family: "SmileySans-Oblique", "Microsoft YaHei", sans-serif;
}

.about-team-desc {
    margin: 10px 0 0;
    padding: 0 12px;
    color: rgba(231, 237, 248, 0.9);
    font-size: clamp(14px, 0.92vw, 17px);
    line-height: 1.7;
    text-align: justify;
    text-justify: inter-ideograph;
    font-family: "Source Han Sans SC-Regular", "Microsoft YaHei", sans-serif;
}

.about-partner-section {
    position: relative;
    overflow: hidden;
    background: #0b0f16;
    min-height: 560px;
}

.about-partner-bg {
    display: block;
    position: relative;
    width: 100%;
    height: auto;
    min-height: 560px;
    object-fit: cover;
}

.about-partner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 12, 18, 0.2) 0%, rgba(8, 12, 18, 0.54) 100%);
}

.about-partner-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
    padding: 88px 0 120px;
}

.about-partner-text {
    /* max-width: 1240px; */
    width: 60%;
    margin: 0 auto;
    padding: 0 24px;
}

.about-partner-text p {
    margin: 0;
    color: rgba(246, 249, 255, 0.95);
    text-align: center;
    font-size: clamp(16px, 1.05vw, 22px);
    line-height: 1.65;
    font-family: "Source Han Sans SC-Regular", "Microsoft YaHei", sans-serif;
}

/* .about-partner-text p:first-child {
    white-space: nowrap;
} */

.about-partner-text p + p {
    margin-top: 8px;
}

.about-partner-logo-marquee {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 34px;
    z-index: 3;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%);
}

.about-partner-logo-track {
    display: flex;
    align-items: center;
    gap: 60px;
    width: max-content;
    animation: partnerLogoScroll 24s linear infinite;
}

.about-partner-logo-item {
    flex: 0 0 auto;
    height: 48px;
    display: flex;
    align-items: center;
}

.about-partner-logo-item img {
    display: block;
    width: auto;
    height: 100%;
    object-fit: contain;
}

@keyframes partnerLogoScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (min-width: 768px) {
    .about-partner-section {
        min-height: 520px;
    }

    .about-partner-bg {
        min-height: 520px;
    }
}

@media (max-width: 767px) {
    .about-graphic-grid {
        grid-template-columns: 1fr;
    }

    .about-graphic-grid > :nth-child(1) { order: 1; }
    .about-graphic-grid > :nth-child(2) { order: 2; }
    .about-graphic-grid > :nth-child(4) { order: 3; }
    .about-graphic-grid > :nth-child(3) { order: 4; }
    .about-graphic-grid > :nth-child(5) { order: 5; }
    .about-graphic-grid > :nth-child(6) { order: 6; }

    .about-card {
        min-height: 220px;
    }

    .about-card-text {
        padding: 26px 18px;
    }

    .about-card-text p {
        font-size: clamp(13px, 3.6vw, 16px);
        line-height: 1.65;
    }

    .about-team-section {
        padding: 46px 0 56px;
    }

    .about-team-shell {
        padding: 0 14px;
    }

    .about-team-title {
        margin-bottom: 26px;
        font-size: clamp(24px, 7vw, 34px);
    }

    .about-team-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .about-team-name {
        margin-top: 10px;
        font-size: clamp(18px, 5.2vw, 22px);
    }

    .about-team-desc {
        margin-top: 8px;
        font-size: clamp(13px, 3.8vw, 16px);
        line-height: 1.6;
    }

    .about-partner-content {
        min-height: 560px;
        padding: 50px 0 96px;
    }

    .about-partner-text {
        padding: 0 14px;
    }

    .about-partner-text p {
        font-size: clamp(14px, 4.2vw, 20px);
        line-height: 1.6;
    }

    .about-partner-text p + p {
        margin-top: 6px;
    }

    .about-partner-text p:first-child {
        white-space: normal;
    }

    .about-partner-logo-marquee {
        bottom: 14px;
    }

    .about-partner-logo-track {
        gap: 30px;
        animation-duration: 18s;
    }

    .about-partner-logo-item {
        height: 28px;
    }
}