* {
    margin: 0;
    padding: 0;
}

body {
    font-family: "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-weight: normal;
    color: #333;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.section {
    position: relative;
    width: 100%;
}

.section,
.section *,
.section *::before,
.section *::after {
    box-sizing: border-box;
}


.section img {
    display: block;
    max-width: 100%;
}

.bg-img {
    display: block;
    width: 100%;
    height: auto;
    user-select: none;
    pointer-events: none;
}

.sec-title {
    text-align: center;
    font-family: "MiSans", sans-serif;
    font-size: 50px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.4;
}

.sec-title .t-dark {
    color: #1f1f1f;
}

.sec-title .t-blue {
    color: #2a6df4;
}

.sec-sub {
    text-align: center;
    margin-top: 18px;
    font-size: 16px;
    color: #666;
    letter-spacing: 0.5px;
}

.section-hero {
    width: 100%;
    height: 900px;
    position: relative;
    overflow: hidden;
    background-color: #f3f6fb;
}

.section-hero .hero-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.section-hero .hero-figure {
    width: 100%;
    height: 100%;
    margin: 0;
    background-image: url("/uploads/allimg/20260424/1-260424095G0642.jpg");
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.section-hero .hero-content-wrap {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
}

.section-hero .hero-screen-content {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 280px 0 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #1f1f1f;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-model {
    font-family: "MiSans", sans-serif;
    font-weight: 700;
    font-size: 70px;
    background-image: linear-gradient(180deg, #056fff 0%, #3088ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1.1;
    margin-bottom: 14px;
    display: inline-block;
}

.hero-title {
    font-family: "MiSans", sans-serif;
    font-weight: 700;
    font-size: 40px;
    color: #1f1f1f;
    line-height: 1.2;
    margin-bottom: 16px;
    display: inline-block;
}

.hero-sub {
    font-size: 18px;
    color: #3a3a3a;
    letter-spacing: 1px;
    line-height: 1.5;
}

.hero-disclaimer {
    font-size: 14px;
    color: #fbfbfb;
    line-height: 1.9;
    letter-spacing: 0.5px;
    padding-left: 8px;
    position: relative;
}

.star {
    position: absolute;
    left: 0;
}

.section-two {
    padding: 90px 0 110px;
    background: #fff;
}

.two-cards {
    margin: 60px auto 0;
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 0 60px;
}

.two-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.two-card-img {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.two-card-img img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.two-card-caption {
    margin-top: 2px;
    font-size: 18px;
    color: #333;
    letter-spacing: 0.5px;
}

.section-three {
    position: relative;
    overflow: hidden;
}

.three-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 7% 0 3.5%;
}

.three-top {
    display: flex;
    justify-content: center;
}

.sec-title-gradient {
    font-family: "MiSans", sans-serif;
    font-weight: 700;
    font-size: 4.2vw;
    letter-spacing: 0.08em;
    line-height: 1.1;
    text-align: center;
    background-image: linear-gradient(90deg,
            #2a6df4 0%,
            #4a70f7 25%,
            #7a63ed 55%,
            #b456dc 80%,
            #d94ed1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    -webkit-mask-image: linear-gradient(180deg,
            rgba(0, 0, 0, 1) 35%,
            rgba(0, 0, 0, 0.45) 65%,
            rgba(0, 0, 0, 0.1) 100%);
    mask-image: linear-gradient(180deg,
            rgba(0, 0, 0, 1) 35%,
            rgba(0, 0, 0, 0.45) 65%,
            rgba(0, 0, 0, 0.1) 100%);
    padding-bottom: 0.35em;
}

.three-bottom {
    display: flex;
    flex-direction: column;
    gap: 1vw;
}

.three-labels {
    display: flex;
    width: 100%;
    padding: 0 10%;
}

.tl-item {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    font-size: 1vw;
}

.tl-num {
    font-family: "MiSans Heavy", sans-serif;
    font-weight: normal;
    font-size: 1.15vw;
    letter-spacing: 1px;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.tl-num-1 {
    background-image: linear-gradient(70deg, #429fff 0%, #2085ed 30%, #d94ed1 100%);
}

.tl-num-2 {
    background-image: linear-gradient(70deg, #429fff 0%, #2085ed 30%, #d94ed1 100%);
}

.tl-num-3 {
    background-image: linear-gradient(70deg, #429fff 0%, #2085ed 30%, #d94ed1 100%);
}

.tl-divider {
    font-family: "MiSans Light", sans-serif;
    font-weight: normal;
    color: #c6d2e6;
}

.tl-text {
    color: #3b3b3b;
}

.three-disclaimer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.7vw;
    color: #8a8a8a;
    line-height: 1.9;
    letter-spacing: 0.5px;
    padding: 0 6%;
}

.section-four {
    padding: 100px 0 120px;
    background: #fff;
}

.video-wrap {
    margin: 70px auto 0;
    width: fit-content;
    max-width: min(1400px, calc(100% - 120px));
    position: relative;
    padding: 0;
}

.product-video {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 620px;
    height: auto;
    border-radius: 20px;
    outline: none;
}

.product-video::-webkit-media-controls {
    display: none !important;
}

.product-video::-webkit-media-controls-enclosure {
    display: none !important;
}

.video-overlay-text {
    font-family: "MiSans", sans-serif;
    font-weight: 700;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.55);
    font-size: 56px;
    letter-spacing: 8px;
    pointer-events: none;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
}

.replay-btn {
    position: absolute;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: hsla(0, 0%, 100%, .85);
    color: #444;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    transition: background 0.2s, color 0.2s;
    z-index: 3;
    padding: 0;
    cursor: pointer;
}

.replay-btn.is-disabled {
    background: rgba(200, 200, 200, 0.7);
    color: #555252;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    cursor: default;
}

.section-five {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #e8effa 100%);
    padding-top: 80px;
    overflow: hidden;
}

.five-body {
    position: relative;
}

.five-body .bg-img {
    width: 100%;
    height: auto;
}

.five-hero-text {
    position: absolute;
    top: 10%;
    left: 0;
    right: 0;
}

.five-hero-text .sec-sub {
    max-width: 900px;
    margin: 20px auto 0;
    line-height: 1.7;
    padding: 0 20px;
}

.five-card {
    position: absolute;
    top: 39.5vw;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 80%;
    max-width: 1300px;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-radius: 20px;
    padding: 50px 0;
    display: flex;
    box-shadow: 0 10px 40px rgba(40, 80, 180, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.65);
    z-index: 2;
}

.fv-col {
    flex: 1 1 0;
    padding: 0 70px;
    position: relative;
}

.fv-col+.fv-col {
    border-left: 1px solid rgba(42, 109, 244, 0.18);
}

.fv-icon {
    width: 46px;
    height: 46px;
    margin-bottom: 18px;
}

.fv-title {
    font-family: "MiSans", sans-serif;
    font-weight: 700;
    font-size: 22px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
    display: inline-block;
    background-image: linear-gradient(90deg, #1b89ff 0%, #656dff 50%, #8b66fe 70%, #c15cfe 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.fv-list li {
    position: relative;
    padding-left: 14px;
    font-size: 16px;
    color: #555;
    line-height: 2.1;
    letter-spacing: 0.3px;
}

.fv-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #2a6df4;
}

@media (max-width: 1100px) {
    .sec-title {
        font-size: 28px;
    }

    .section-hero {
        height: 640px;
    }

    .section-hero .hero-screen-content {
        width: calc(100% - 80px);
        margin: 0 auto;
        padding: 90px 0 20px;
    }

    .hero-model {
        font-size: 38px;
        margin-bottom: 12px;
    }

    .hero-title {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .hero-sub {
        font-size: 13px;
    }

    .hero-disclaimer {
        font-size: 10px;
    }

    .five-body {
        padding-bottom: 0;
    }

    .five-card {
        position: relative;
        left: auto;
        right: auto;
        bottom: auto;
        width: calc(100% - 40px);
        margin: -10vw auto 0;
        flex-direction: column;
        padding: 36px 28px;
    }

    .fv-col {
        padding: 24px 0;
    }

    .fv-col+.fv-col {
        border-left: none;
        border-top: 1px solid rgba(42, 109, 244, 0.18);
    }

    .video-overlay-text {
        font-size: 28px;
        letter-spacing: 4px;
    }

    .replay-btn {
        right: 70px;
    }

    .tl-item {
        font-size: 11px;
    }

    .tl-num {
        font-size: 12px;
    }

    .three-disclaimer {
        font-size: 10px;
    }
}

@media (max-width: 720px) {

    .section-hero {
        height: 480px;
    }

    .section-hero .hero-screen-content {
        width: calc(100% - 40px);
        padding: 60px 0 16px;
    }

    .hero-model {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .hero-title {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .hero-sub {
        font-size: 12px;
    }

    .two-cards {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }

    .video-overlay-text {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .replay-btn {
        right: 30px;
        bottom: 12px;
        width: 36px;
        height: 36px;
    }

    .five-hero-text .sec-sub {
        font-size: 12px;
    }
}