ul {
        list-style: none;
        padding: 0;
    }

    .product-hero {
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding: 100px 0;
        position: relative;
    }

    .product-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.52);
    }

    .product-hero .container {
        position: relative;
        z-index: 2;
    }

    .product-hero h1 {
        margin-top: 150px;
        font-size: 3rem;
        font-weight: 700;
        color: #fff;
        width: 600px;
    }

    .product-hero p {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.9);
        max-width: 620px;
        margin-top: 20px;
        line-height: 1.8;
    }

    .adv-section {
        padding: 90px 0;
        position: relative;
        overflow: hidden;
    }

    .container {
        width: 90%;
        max-width: 1320px;
        margin: 0 auto;
    }

    .adv-main-title {
        font-size: 36px;
        font-weight: 700;
        color: #1a1a2e;
        margin-bottom: 24px;
        padding-bottom: 14px;
        position: relative;
    }

    .adv-main-title::after {
        content: "";
        width: 70px;
        height: 4px;
        background: #2478e6;
        border-radius: 2px;
        position: absolute;
        bottom: 0;
        left: 0;
    }

    .adv-text-li {
        font-size: 16px;
        color: #444;
        line-height: 1.9;
        margin-bottom: 12px;
        padding-left: 18px;
        position: relative;
    }

    .adv-text-li::before {
        content: "◆";
        color: #2478e6;
        position: absolute;
        left: 0;
        top: 0;
    }

    .tag-row {
        display: flex;
        gap: 30px;
        margin-top: 36px;
    }

    .tag-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 18px;
        color: #2478e6;
        font-weight: 500;
    }

    .adv-global {
        background: linear-gradient(180deg, #f8faff, #fff);
    }

    .map-full-wrap:hover .map-text-overlay {
        display: block;
    }

    .map-full-wrap {
        position: relative;
        width: 100%;
    }

    .map-full-bg {
        width: 100%;
        display: block;
        border-radius: 16px;
        box-shadow: 0 12px 36px rgba(36, 120, 230, 0.1);
    }

    .map-text-overlay {
        position: absolute;
        top: 40px;
        left: 40px;
        max-width: 460px;
        background: rgba(255, 255, 255, 0.92);
        padding: 34px;
        border-radius: 12px;
        backdrop-filter: blur(6px);
        display: none;
    }

    .adv-air-out {
        background: linear-gradient(180deg, #fff, #f7faff);
    }

    .airout-row {
        display: flex;
        align-items: center;
        gap: 60px;
        margin-bottom: 40px;
    }

    .airout-text {
        flex: 0 0 44%;
    }

    .airout-img {
        flex: 1;
    }

    .airout-img img {
        height: 350px;
        width: 100%;
        border-radius: 14px;
        box-shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
    }

    .airout-tag-bar {
        display: flex;
        justify-content: space-around;
        padding: 24px 0;
        border-top: 1px solid #eee;
    }

    .adv-air-in {
        background: #f8fbff;
    }

    .airin-wrap {
        position: relative;
        display: flex;
        align-items: center;
        gap: 60px;
    }

    .airin-img {
        flex: 1;
    }

    .airin-img img {
        height: 370px;
        width: 100%;
        border-radius: 14px;
        box-shadow: 0 14px 40px rgba(36, 120, 230, 0.12);
    }

    .airin-float-text {
        flex: 0 0 44%;
        padding: 36px 32px;
        border-radius: 14px;
        background: linear-gradient(135deg, #eef6ff, #ffffff);
        box-shadow: 0 10px 32px rgba(36, 120, 230, 0.09);
        transform: translateY(-20px);
    }

    .adv-cross {
        background: linear-gradient(180deg, #fff, #f6faff);
    }

    .cross-bg-map {
        width: 86%;
        position: absolute;
        bottom: -180px;
        left: 140px;
        opacity: 0.18;
        z-index: 0;
    }

    .cross-inner {
        position: relative;
        z-index: 2;
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .cross-top-text {
        max-width: 700px;
    }

    .cross-img-group {
        display: flex;
        gap: 20px;
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .cross-img-group img {
        height: 140px;
        border-radius: 10px;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    }

    .adv-system {
        background: linear-gradient(180deg, #f8faff, #fff);
    }

    .system-row {
        display: flex;
        align-items: center;
        gap: 60px;
    }

    .system-text-block {
        flex: 0 0 42%;
    }

    .system-list-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        margin-bottom: 26px;
    }

    .system-list-item i {
        font-size: 26px;
        color: #2478e6;
        margin-top: 4px;
    }

    .system-list-item .icon {
        font-size: 26px;
        color: #2478e6;
        margin-top: 4px;
    }

    .system-screenshot-wrap {
        flex: 1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .system-screenshot-wrap img {
        width: 100%;
        border-radius: 12px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
    }

    .animate-fade-up {
        opacity: 0;
        transform: translateY(40px);
        transition: all 0.8s ease;
    }

    .animate-fade-up.show {
        opacity: 1;
        transform: translateY(0);
    }

    @media(max-width:992px) {
        .product-hero h1 {
            font-size: 2.2rem;
            width: 100%;
            margin-top: 80px;
        }

        .adv-section {
            padding: 60px 0;
        }

        .airout-row,
        .airin-wrap,
        .system-row {
            flex-direction: column;
            gap: 30px;
        }

        .airout-text,
        .airin-float-text,
        .system-text-block {
            flex: unset;
            width: 100%;
        }

        .airin-float-text {
            transform: translateY(0);
        }

        .map-text-overlay {
            position: relative;
            top: 0;
            left: 0;
            margin-top: 24px;
            max-width: 100%;
        }

        .adv-main-title {
            font-size: 28px;
        }

        .system-screenshot-wrap {
            grid-template-columns: 1fr;
        }
    }

    @media(max-width:768px) {
        .product-hero {
            padding: 80px 0;
        }

        .product-hero h1 {
            font-size: 1.8rem;
        }

        .adv-main-title {
            font-size: 24px;
        }

        .tag-row {
            flex-wrap: wrap;
            gap: 14px 24px;
        }
    }