/* ===============================
   轮播图（始终全屏）
=============================== */
.swiper-pagination {
    padding-bottom: 20px;
}

.swiper-pagination-bullet {
    width: 20px !important;
    height: 20px !important;
    border-radius: 20px !important;
    background: #E2DFF4 !important;
    transition: all .3s ease !important;
}

.swiper-pagination-bullet-active {
    border: 3px solid #FFFFFF !important;
    background: #A195F5 !important;
}

.banner {
    width: 100%;
    position: relative;
    overflow: hidden;
    font-size: 0;
}

.banner img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

.carousel-img-mobile {
    display: none;
}

/* ===============================
   产品介绍横幅
=============================== */

.product-intro-section {
    background: #605CA4;
}

.product-intro-content {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(63px * var(--scale-ratio)) calc(65px * var(--scale-ratio)) calc(89px * var(--scale-ratio));
}

.intro-logo-img {
    width: calc(151px * var(--scale-ratio));
    height: calc(70px * var(--scale-ratio));
}

.product-intro-text {
    color: #E2DFF4;
    padding-top: calc(60px * var(--scale-ratio));
    font-size: calc(30px * var(--scale-ratio));
    line-height: 1.8;
    text-align: center;
}

/* ===============================
   全场景功能（核心区）
=============================== */

.features-section {
    padding: calc(80px * var(--scale-ratio)) 0 0 0;
}

.features-container {
    width: 100%;
    margin: 0 auto;
    padding: 0 calc(50px * var(--scale-ratio));
}

.features-title {
    font-size: calc(64px * var(--scale-ratio));
    font-weight: 700;
    color: #453C7C;
    text-align: center;
    margin-bottom: calc(80px * var(--scale-ratio));
    position: relative;
}

.features-title::after {
    content: '';
    position: absolute;
    bottom: calc(-3px * var(--scale-ratio));
    left: 50%;
    transform: translateX(-50%);
    width: calc(448px * var(--scale-ratio));
    height: calc(3px * var(--scale-ratio));
    background: #3C2680;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-items: center;
    gap: calc(100px * var(--scale-ratio)) calc(30px * var(--scale-ratio));
}

.feature-card {
    height: calc(719px * var(--scale-ratio));
    background: #E2DFF4;
    border-radius: calc(28px * var(--scale-ratio));
    padding: calc(36px * var(--scale-ratio)) calc(28px * var(--scale-ratio));
    padding: 36px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0px 4px 4px 0px #3C2680;
}

.feature-image {
    /* width: calc(500px * var(--scale-ratio)); */
    height: calc(332px * var(--scale-ratio));
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: calc(32px * var(--scale-ratio));
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-name {
    font-size: calc(48px * var(--scale-ratio));
    color: #605CA4;
    margin-bottom: calc(20px * var(--scale-ratio));
}

.feature-desc {
    font-size: calc(32px * var(--scale-ratio));
    line-height: 1.7;
    color: #180D3B;
}

/* ===============================
   加入家庭
=============================== */

.join-family-section {
    z-index: -1;
}

.join-family-container {
    width: 100%;
    margin: 0 auto;
}

.join-family-img {
    width: 100%;
    display: block;
}

/* ===============================
   769px – 1199px
   真机桌面 / 小平板
   =============================== */
/* ===============================
   769px – 1199px
   真机桌面 / 小平板
   =============================== */
@media (min-width: 769px) and (max-width: 1199px) {

    .product-intro-section {
        background: #7070B2;
    }

    .swiper-pagination {
        padding-bottom: 18px;
    }

    .swiper-pagination-bullet {
        width: 12px !important;
        height: 12px !important;
        border-radius: 12px !important;
        background: #A1A1E5 !important;
    }

    .swiper-pagination-bullet-active {
        width: 12px !important;
        height: 12px !important;
        border: 2px solid #CBC6ED !important;
        background: #605CA4 !important;
    }

    .carousel-img-desktop {
        display: block;
    }

    .carousel-img-mobile {
        display: none;
    }

    .product-intro-content {
        max-width: 100%;
        padding: 40px 0;
    }

    .intro-logo-img {
        width: 120px;
        height: auto;
        margin-bottom: 13px;
    }

    .product-intro-text {
        font-size: 18px;
        padding: 0 40px;
    }

    .features-section {
        padding-top: 40px;
    }

    .features-container {
        padding: 0 30px;
    }

    .features-title {
        font-size: 28px;
        margin-bottom: 36px;
    }

    .features-title::after {
        bottom: -3px;
        width: 196px;
        height: 1.5px;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 36px;
    }

    .feature-card {
        border-radius: 12px;
        background: #E2DFF4;
        border-radius: 12px;
        padding: 12px 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        box-shadow: 0px 4px 4px 0px #3C2680;
    }

    .feature-image {
        width: auto;
        height: 184px;
        margin-bottom: 10px;
    }

    .feature-name {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .feature-desc {
        font-size: 16px;
        padding: 0 40px 20px;
    }

    .join-family-section {
        padding-top: 20px;
    }

    .join-family-container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
}


@media (max-width: 768px) {
    .product-intro-section {
        background: #7070B2;
    }

    .swiper-pagination {
        padding-bottom: 10px;
    }

    .swiper-pagination-bullet {
        width: 8px !important;
        height: 8px !important;
        border-radius: 8px !important;
        background: #A1A1E5 !important;
    }

    .swiper-pagination-bullet-active {
        width: 8px !important;
        height: 8px !important;
        border: 1.5px solid #CBC6ED !important;
        background: #605CA4 !important;
    }

    .carousel-img-desktop {
        display: none;
    }

    .carousel-img-mobile {
        display: block;
    }

    .product-intro-content {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: auto;
        padding: 25px 0;
    }

    .intro-logo-img {
        width: 75px;
        height: auto;
        margin-bottom: 20px;
    }

    .product-intro-text {
        font-size: 14px;
        line-height: 1.6;
        max-width: 100%;
        padding: 0 15px;
    }

    .features-section {
        padding-top: 16px;
    }

    .features-container {
        width: 100%;
        max-width: 100%;
        padding: 0 23px;
    }

    .features-title {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .features-title::after {
        bottom: -1px;
        width: 140px;
        height: 1.5px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        width: auto;
        height: auto;
        min-height: auto;
        border-radius: 8px;
        padding: 0;
        padding-bottom: 5px;
        box-shadow: unset;
        background-color: unset;
        border-radius: unset;
        border-bottom: 1px solid #3C2680;
    }

    .feature-image {
        width: 232px;
        height: 184px;
        margin-bottom: 10px;
    }

    .feature-name {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .feature-desc {
        font-size: 14px;
        line-height: 1.6;
        padding: 0 60px;
    }

    .join-family-section {
        padding-top: 20px;
    }

    .join-family-container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
}