.ai-engine-page {
    background: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

.ai-engine-main {
    padding-top: 60px;
}

.ai-engine-section {
    position: relative;
    overflow: hidden;
}

.ai-engine-full-image {
    display: block;
    width: 100%;
    height: auto;
}

.ai-engine-heading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.ai-engine-heading h2 {
    margin: 0;
    color: #1b1b1b;
    font-size: 40px;
    font-weight: 600;
    line-height: 56px;
}

.ai-engine-heading p {
    margin: 0;
    color: #0d1634;
    font-size: 16px;
    line-height: 22px;
}

.ai-engine-heading--inverse h2,
.ai-engine-heading--inverse p {
    color: #fff;
}

.ai-engine-hero {
    position: relative;
    height: 479px;
    overflow: hidden;
    background: #f5f9ff;
}

.ai-engine-hero-bg,
.ai-engine-hero-orb {
    position: absolute;
    max-width: none;
    pointer-events: none;
    user-select: none;
}

.ai-engine-hero-bg {
    left: 50%;
    top: 0;
    width: 2411px;
    height: 603px;
    transform: translateX(-50%);
}

.ai-engine-hero-orb {
    left: 50%;
    top: -8px;
    width: 2074px;
    height: 496px;
    transform: translateX(-42.4%);
}

.ai-engine-hero-wrap {
    position: relative;
    z-index: 1;
    height: 479px;
    display: flex;
    align-items: center;
}

.ai-engine-hero h1 {
    width: 685px;
    margin: 0;
    color: #181c1f;
    font-size: 28px;
    font-weight: 500;
    line-height: 1.42;
}

.ai-engine-core {
    height: 755px;
    padding: 68px 0;
    background: #fff;
}

.ai-engine-management {
    height: 845px;
    padding: 68px 0;
    background:
        linear-gradient(180deg, #ecf1ff 0%, #f5f7fc 15.11%, #f9f9f9 58.17%, #f2f5fc 99.04%),
        #fff;
}

.ai-engine-management-gradient {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 793px;
    background: linear-gradient(180deg, rgba(184, 212, 255, 0) 0%, #b8d4ff 100%);
}

.ai-engine-centered-stage {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

.ai-engine-management-image {
    display: block;
    width: 1083px;
    height: auto;
}

.ai-engine-solution {
    height: 807px;
    padding: 68px 0;
    background: #fff;
}

.ai-engine-saving {
    height: 776px;
    background: #282828;
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
}

.ai-engine-saving img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.ai-engine-achievements {
    height: 776px;
    padding: 80px 0;
    background: #282828;
}

.ai-engine-achievements-board {
    margin-top: 28px;
    display: grid;
    grid-template-columns: 345px 940px;
    gap: 16px;
    align-items: stretch;
}

.ai-engine-achievements-tabs {
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    gap: 16px;
    height: 498px;
}

.ai-engine-achievements-tabs article {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 30px;
    background: #333;
    color: #fff;
}

.ai-engine-achievements-tabs article.is-active {
    background: #1664ff;
}

.ai-engine-achievements-tabs h3,
.ai-engine-achievements-tabs p {
    margin: 0;
}

.ai-engine-achievements-tabs h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 25px;
}

.ai-engine-achievements-tabs p {
    font-size: 14px;
    line-height: 20px;
    opacity: 0.8;
}

.ai-engine-achievements-visual {
    width: 940px;
    height: 498px;
    padding: 16px;
    background: #333;
    overflow: hidden;
}

.ai-engine-achievements-visual img {
    display: block;
    width: 908px;
    height: 466px;
    object-fit: cover;
}

.ai-engine-ops {
    padding: 80px 0;
    background: #fff;
}

.ai-engine-heading--wide .ai-engine-ops-intro {
    width: 1300px;
    color: #1d1d1d;
    font-size: 16px;
    line-height: 22px;
}

.ai-engine-ops-cards {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ai-engine-ops-cards img {
    display: block;
    width: 1300px;
    height: auto;
    border-radius: 24px;
}

.ai-engine-ops-cards img:first-child {
    border-radius: 32px;
}

.ai-engine-global {
    padding: 68px 0 0;
    background: #fff;
}

.ai-engine-global-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 569.33px;
    gap: 20px;
    align-items: stretch;
}

.ai-engine-global-hero {
    position: relative;
    height: 480px;
    padding: 48px;
    border-radius: 12px;
    overflow: hidden;
    background-image:
        linear-gradient(180deg, #99a1d9 0%, rgba(255, 255, 255, 0) 100%),
        url("../img/figma-aiot/aiot-global-bg-new.png");
    background-size: auto auto, 735px 490px;
    background-position: left top, center;
    background-repeat: no-repeat;
}

.ai-engine-global-hero h2,
.ai-engine-global-hero p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #fff;
}

.ai-engine-global-hero h2 {
    font-size: 30px;
    font-weight: 500;
    line-height: 38px;
}

.ai-engine-global-hero p {
    margin-top: 12px;
    width: 479px;
    font-size: 16px;
    line-height: 24px;
}

.ai-engine-ghost-btn {
    position: absolute;
    left: 48px;
    bottom: 48px;
    width: 170px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #dde2e9;
    border-radius: 4px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    text-decoration: none;
}

.ai-engine-global-notes {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-engine-global-note {
    position: relative;
    height: 230px;
    padding: 24px;
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
}

.ai-engine-global-note p {
    margin: 0;
    color: #0c0d0e;
    font-size: 18px;
    line-height: normal;
}

.ai-engine-global-note--arrow img {
    position: absolute;
    right: 24px;
    bottom: 24px;
    width: 14px;
    height: 14px;
}

.ai-engine-clients {
    width: 1296px;
    padding: 80px 0;
}

.ai-engine-clients h2 {
    margin: 0 0 20px;
    color: #131415;
    font-size: 40px;
    font-weight: 600;
    line-height: 48px;
}

.ai-engine-clients-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.ai-engine-clients-row img {
    width: auto;
    max-height: 60px;
    object-fit: contain;
}

@media (max-width: 1360px) {
    .ai-engine-main .w-1300,
    .ai-engine-heading--wide .ai-engine-ops-intro,
    .ai-engine-ops-cards img,
    .ai-engine-clients {
        width: calc(100% - 48px);
    }

    .ai-engine-core,
    .ai-engine-solution {
        height: auto;
    }

    .ai-engine-achievements {
        height: auto;
    }

    .ai-engine-achievements-board {
        grid-template-columns: 26.5% minmax(0, 1fr);
    }

    .ai-engine-achievements-visual {
        width: 100%;
        height: auto;
    }

    .ai-engine-achievements-visual img {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 1024px) {
    .ai-engine-hero h1 {
        width: 56%;
        font-size: 24px;
    }

    .ai-engine-management {
        height: auto;
    }

    .ai-engine-management-image {
        width: min(100%, 1083px);
    }

    .ai-engine-saving {
        height: auto;
    }

    .ai-engine-saving img {
        height: auto;
    }

    .ai-engine-achievements-board,
    .ai-engine-global-layout {
        grid-template-columns: 1fr;
    }

    .ai-engine-achievements-tabs {
        height: auto;
        grid-template-rows: none;
    }

    .ai-engine-achievements-tabs article {
        min-height: 112px;
    }

    .ai-engine-global-hero {
        background-size: cover, cover;
    }
}

@media (max-width: 768px) {
    .ai-engine-main .w-1300,
    .ai-engine-heading--wide .ai-engine-ops-intro,
    .ai-engine-ops-cards img,
    .ai-engine-clients {
        width: calc(100% - 32px);
    }

    .ai-engine-heading h2,
    .ai-engine-clients h2 {
        font-size: 28px;
        line-height: 38px;
    }

    .ai-engine-heading p,
    .ai-engine-heading--wide .ai-engine-ops-intro {
        font-size: 14px;
        line-height: 22px;
    }

    .ai-engine-hero {
        height: 360px;
    }

    .ai-engine-hero-wrap {
        height: 360px;
    }

    .ai-engine-hero-bg {
        left: 42%;
        width: 1500px;
        height: auto;
    }

    .ai-engine-hero-orb {
        left: 52%;
        width: 1280px;
        height: auto;
    }

    .ai-engine-hero h1 {
        width: 72%;
        font-size: 20px;
    }

    .ai-engine-core,
    .ai-engine-management,
    .ai-engine-solution,
    .ai-engine-achievements,
    .ai-engine-ops,
    .ai-engine-global {
        padding: 48px 0;
    }

    .ai-engine-achievements-tabs article {
        padding: 24px;
    }

    .ai-engine-global-hero {
        height: 420px;
        padding: 32px 24px;
    }

    .ai-engine-global-hero p {
        width: 100%;
        max-width: 479px;
    }

    .ai-engine-ghost-btn {
        left: 24px;
        bottom: 24px;
    }

    .ai-engine-global-note {
        height: auto;
        min-height: 180px;
    }

    .ai-engine-global-note p {
        font-size: 16px;
        line-height: 1.5;
    }

    .ai-engine-clients-row {
        flex-wrap: wrap;
        gap: 22px 28px;
        justify-content: flex-start;
    }
}