.core-tech {
    padding: 96px 5vw 108px;
    background:
        radial-gradient(circle at 10% 20%, rgba(33, 113, 255, .07), transparent 26%),
        radial-gradient(circle at 90% 78%, rgba(51, 102, 255, .06), transparent 24%),
        #f4f8ff;
}

.core-tech__container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
}

.core-tech__header {
    margin-bottom: 58px;
    text-align: center;
}

.core-tech__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 12px;
    color: #111;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.core-tech__eyebrow::before,
.core-tech__eyebrow::after {
    content: "";
    width: 28px;
    height: 2px;
    background: #216dff;
}

.core-tech__header h2 {
    margin: 0;
    color: #0f1a33;
    font-size: clamp(34px, 3vw, 48px);
    line-height: 1.2;
    font-weight: 750;
}

.core-tech__header p {
    max-width: 700px;
    margin: 16px auto 0;
    color: #60708d;
    font-size: 16px;
    line-height: 1.8;
}

.core-tech__list {
    display: grid;
    gap: 42px;
}

.core-tech-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
    min-height: 560px;
    height: 560px;
    overflow: hidden;
    border: 1px solid rgba(139, 160, 196, .22);
    border-radius: 26px;
    background: rgba(255, 255, 255, .82);
    box-shadow: 0 20px 55px rgba(31, 58, 108, .09);
    backdrop-filter: blur(10px);
}

.core-tech-card:nth-child(even) .core-tech-card__media {
    order: 2;
}

.core-tech-card__media {
    position: relative;
    min-height: 470px;
    overflow: hidden;
    background: #13213b;
}

.core-tech-card__media::after {
    content: "";
    position: absolute;
    inset: 45% 0 0;
    background: linear-gradient(180deg, transparent, rgba(4, 12, 28, .72));
    pointer-events: none;
}

.core-tech-card__media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform .7s ease;
}

.core-tech-card:hover .core-tech-card__media img {
    transform: scale(1.045);
}

.core-tech-card__media--contain {
    background: #f5f7fb;
}

.core-tech-card__media--contain::after,
.core-tech-card__media--contain .core-tech-card__caption {
    display: none;
}

.core-tech-card__media--contain img,
.core-tech-card:hover .core-tech-card__media--contain img {
    object-fit: contain;
    transform: none;
}

.core-tech-card__media--full {
    background: #020b16;
}

.core-tech-card__media--full::after,
.core-tech-card__media--full .core-tech-card__caption {
    display: none;
}

.core-tech-card__media--full img,
.core-tech-card:hover .core-tech-card__media--full img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transform: none;
}

.core-tech-card__media--marketing-full {
    background: #fff;
}

.core-tech-card__media--marketing-full::after,
.core-tech-card__media--marketing-full .core-tech-card__caption {
    display: none;
}

.core-tech-card__media--marketing-full img,
.core-tech-card:hover .core-tech-card__media--marketing-full img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transform: none;
}

.core-tech-card__caption {
    position: absolute;
    left: 24px;
    bottom: 22px;
    z-index: 1;
    max-width: calc(100% - 48px);
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 9px;
    color: #fff;
    background: rgba(5, 13, 29, .68);
    font-size: 13px;
    line-height: 1.4;
    backdrop-filter: blur(8px);
}

.core-tech-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(38px, 5vw, 70px);
}

.core-tech-card__index {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: #216dff;
    font-size: 13px;
    line-height: 1;
    font-weight: 750;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.core-tech-card__index::before {
    content: "";
    width: 25px;
    height: 2px;
    background: currentColor;
}

.core-tech-card__content h3 {
    margin: 0;
    color: #0e1930;
    font-size: clamp(30px, 3vw, 46px);
    line-height: 1.16;
    font-weight: 760;
    letter-spacing: -.035em;
}

.core-tech-card__lead {
    margin: 20px 0 24px;
    color: #5c6d8b;
    font-size: 16px;
    line-height: 1.85;
}

.core-tech-card__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 28px;
    padding: 0;
    list-style: none;
}

.core-tech-card__features li {
    min-height: 48px;
    padding: 11px 13px;
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid #dfe6f2;
    border-radius: 11px;
    color: #233250;
    background: rgba(255, 255, 255, .86);
    font-size: 13px;
    line-height: 1.35;
}

.core-tech-card__features li::before {
    content: "";
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border: 5px solid #216dff;
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px #fff;
}

.core-tech-card__features--icons li::before {
    display: none;
}

.core-tech-card__feature-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    display: block;
    object-fit: contain;
}

.core-tech-card--ows .core-tech-card__content {
    background: #fbfcfe;
}

.core-tech-card--ows .core-tech-card__index {
    color: #8b929d;
}

.core-tech-card--ows .core-tech-card__content h3 {
    color: #101827;
    font-weight: 780;
}

.core-tech-card--ows .core-tech-card__lead {
    color: #667085;
}

.core-tech-card--ows .core-tech-card__features {
    gap: 14px 16px;
}

.core-tech-card--ows .core-tech-card__features li {
    min-height: 62px;
    padding: 14px 18px;
    gap: 14px;
    border-color: #d9dee7;
    border-radius: 8px;
    color: #303744;
    background: #fff;
    font-size: 15px;
}

.core-tech-card--ows .core-tech-card__feature-icon {
    width: 27px;
    height: 27px;
    flex-basis: 27px;
    opacity: .78;
}

/* 第三张卡片：智慧医疗设计稿布局 */
.healthcare-card__content {
    justify-content: center;
    padding: clamp(36px, 3vw, 48px);
    background: #fbfcfb;
}

.healthcare-card__index {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    color: #168f83;
    font-size: 14px;
    font-weight: 750;
    letter-spacing: .1em;
}

.healthcare-card__index::before {
    content: "";
    width: 30px;
    height: 2px;
    flex: 0 0 30px;
    background: #168f83;
}

.healthcare-card__content .healthcare-card__title {
    margin: 0;
    color: #171d2b;
    font-size: clamp(34px, 2.7vw, 44px);
    line-height: 1.16;
    font-weight: 780;
    letter-spacing: -.035em;
}

.healthcare-card__lead {
    margin: 20px 0 24px;
    color: #596273;
    font-size: 16px;
    line-height: 1.9;
}

.healthcare-card__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
    margin-bottom: 28px;
}

.healthcare-card__feature {
    min-height: 58px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid #dce1df;
    border-radius: 9px;
    color: #232938;
    background: #fff;
    font-size: 16px;
    font-weight: 600;
}

.healthcare-card__feature > span {
    width: 4px;
    height: 26px;
    flex: 0 0 4px;
    border-radius: 4px;
    background: #9fc9c3;
}

/* 第四张卡片：沉浸式娱乐体验设计稿布局 */
.immersive-card__content {
    justify-content: center;
    padding: clamp(36px, 3vw, 48px);
    background: #fbfcfe;
}

.core-tech-card--immersive .immersive-card__index {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: #1769ff;
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.core-tech-card--immersive .immersive-card__index::before {
    content: "";
    width: 25px;
    height: 2px;
    flex: 0 0 25px;
    background: #1769ff;
}

.immersive-card__content .immersive-card__title {
    margin: 0;
    color: #101827;
    font-size: clamp(33px, 2.65vw, 43px);
    line-height: 1.16;
    font-weight: 780;
    letter-spacing: -.035em;
}

.immersive-card__lead {
    margin: 19px 0 24px;
    color: #64748b;
    font-size: 16px;
    line-height: 1.85;
}

.immersive-card__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
    margin-bottom: 27px;
}

.immersive-card__feature {
    min-height: 58px;
    padding: 12px 17px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid #d6dfef;
    border-radius: 9px;
    color: #263044;
    background: #fff;
    font-size: 15px;
    font-weight: 600;
}

.immersive-card__feature img {
    width: 23px;
    height: 23px;
    flex: 0 0 23px;
    display: block;
    object-fit: contain;
    opacity: .82;
}

.core-tech-card--immersive .core-tech-card__media img,
.core-tech-card--immersive:hover .core-tech-card__media img {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.16);
    transform-origin: center;
}

/* 第五张卡片：AI大模型算力中心设计稿布局 */
.core-tech-card--compute {
    border-color: #ded9d1;
    border-radius: 28px;
    background: #fdfcfb;
    box-shadow: 0 18px 50px rgba(83, 68, 45, .08);
}

.compute-card__content {
    justify-content: center;
    padding: clamp(36px, 3vw, 48px);
    background: #fdfcfb;
}

.compute-card__index {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    color: #b89a64;
    font-size: 15px;
    line-height: 1;
    font-weight: 750;
    letter-spacing: .1em;
}

.compute-card__index::before {
    content: "";
    width: 28px;
    height: 2px;
    flex: 0 0 28px;
    background: #b89a64;
}

.compute-card__content .compute-card__title {
    margin: 0;
    color: #171b22;
    font-size: clamp(35px, 2.8vw, 45px);
    line-height: 1.18;
    font-weight: 790;
    letter-spacing: -.038em;
}

.compute-card__lead {
    margin: 20px 0 25px;
    color: #51545b;
    font-size: 17px;
    line-height: 1.9;
}

.compute-card__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
    margin-bottom: 28px;
}

.compute-card__feature {
    min-height: 58px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid #ddd8cf;
    border-radius: 9px;
    color: #262a31;
    background: rgba(255, 255, 255, .72);
    font-size: 16px;
    font-weight: 650;
}

.compute-card__feature > span {
    width: 8px;
    height: 8px;
    flex: 0 0 8px;
    border-radius: 2px;
    background: #c8ae7b;
}

/* 第六张卡片：数字营销设计稿布局 */
.core-tech-card--marketing {
    border-color: #e2ded8;
    border-radius: 28px;
    background: #fdfcfb;
    box-shadow: 0 18px 50px rgba(62, 72, 88, .07);
}

.marketing-card__content {
    justify-content: center;
    padding: clamp(36px, 3vw, 48px);
    background: #fdfcfb;
}

.marketing-card__index {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    color: #344968;
    font-size: 14px;
    line-height: 1;
    font-weight: 650;
    letter-spacing: .12em;
}

.marketing-card__index::before {
    content: "";
    width: 28px;
    height: 2px;
    flex: 0 0 28px;
    background: #344968;
}

.marketing-card__content .marketing-card__title {
    margin: 0;
    color: #0d2a50;
    font-size: clamp(35px, 2.8vw, 45px);
    line-height: 1.18;
    font-weight: 790;
    letter-spacing: -.038em;
}

.marketing-card__lead {
    margin: 20px 0 25px;
    color: #4f6179;
    font-size: 16px;
    line-height: 1.85;
}

.marketing-card__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px 18px;
    margin-bottom: 29px;
}

.marketing-card__feature {
    min-height: 60px;
    padding: 13px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid #ddd9d3;
    border-radius: 9px;
    color: #202c3f;
    background: rgba(255, 255, 255, .76);
    font-size: 16px;
    font-weight: 600;
}

.marketing-card__feature img {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    display: block;
    object-fit: contain;
    opacity: .86;
}

.core-tech .core-tech-card__link,
.core-tech .core-tech-card__link:link,
.core-tech .core-tech-card__link:visited {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #111 !important;
    background: transparent;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: color .2s ease;
}

.core-tech .core-tech-card__link:hover,
.core-tech .core-tech-card__link:focus-visible {
    color: #111 !important;
}

.core-tech .core-tech-card__link span {
    color: inherit !important;
    font-size: 15px;
    line-height: 1;
    transition: transform .2s ease;
}

.core-tech .core-tech-card__link:hover span {
    transform: translateX(3px);
}

.core-tech .core-tech-card__link.healthcare-card__more {
    color: #111 !important;
    font-size: 16px;
    font-weight: 700;
}

.core-tech .core-tech-card__link.healthcare-card__more span {
    color: #168f83 !important;
    font-size: 20px;
}

.core-tech .core-tech-card__link.immersive-card__more {
    color: #111 !important;
    font-size: 16px;
    font-weight: 700;
}

.core-tech .core-tech-card__link.immersive-card__more span {
    color: #111 !important;
    font-size: 16px;
}

.core-tech .core-tech-card__link.compute-card__more {
    color: #111 !important;
    font-size: 17px;
    font-weight: 700;
}

.core-tech .core-tech-card__link.compute-card__more span {
    color: #111 !important;
    font-size: 18px;
}

.core-tech .core-tech-card__link.marketing-card__more {
    color: #0d2a50 !important;
    font-size: 17px;
    font-weight: 700;
}

.core-tech .core-tech-card__link.marketing-card__more span {
    color: #0d2a50 !important;
    font-size: 18px;
}

@media (max-width: 960px) {
    .core-tech-card {
        grid-template-columns: 1fr;
        min-height: 0;
        height: auto;
    }

    .core-tech-card:nth-child(even) .core-tech-card__media {
        order: 0;
    }

    .core-tech-card__media {
        min-height: 380px;
    }
}

@media (max-width: 620px) {
    .core-tech {
        padding: 68px 20px 76px;
    }

    .core-tech__header {
        margin-bottom: 36px;
    }

    .core-tech__list {
        gap: 24px;
    }

    .core-tech-card {
        min-height: 0;
        border-radius: 18px;
    }

    .core-tech-card__media {
        min-height: 250px;
        aspect-ratio: 16 / 10;
    }

    .core-tech-card__content {
        padding: 30px 22px 32px;
    }

    .core-tech-card__features {
        grid-template-columns: 1fr;
    }

    .healthcare-card__features {
        grid-template-columns: 1fr;
    }

    .healthcare-card__content {
        padding: 34px 22px 38px;
    }

    .immersive-card__features {
        grid-template-columns: 1fr;
    }

    .immersive-card__content {
        padding: 34px 22px 38px;
    }

    .core-tech-card--immersive .core-tech-card__media img,
    .core-tech-card--immersive:hover .core-tech-card__media img {
        top: 0;
        bottom: 0;
        height: 100%;
        transform: scale(1.1);
    }

    .compute-card__features {
        grid-template-columns: 1fr;
    }

    .compute-card__content {
        padding: 36px 22px 40px;
    }

    .marketing-card__features {
        grid-template-columns: 1fr;
    }

    .marketing-card__content {
        padding: 36px 22px 40px;
    }
}