body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    user-select: none;
    display: block;
}

.dpf {
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-item {
    height: 100vh;
    width: 100vw;
}

.fullweb {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-container {
    position: relative;
    height: 100vh;
    top: 0;
    transition: all .6s ease;
    touch-action: none;
}
.page1 {
    background-image: radial-gradient(#9a281f, #bc291c);
    perspective-origin: 20% center;
    z-index: 1;
    position: relative;
    perspective: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
}

.long {
    position: absolute;
    transition: 2s;
    bottom: -5px;
    height: 500px;
    right: -13px;
    pointer-events: none;
    animation: longAnimation 4s ease-in-out infinite;
}

.righttopimg {
    position: absolute;
    top: 0;
    height: 600px;
    right: -15px;
    animation: rbAnimation 4s ease-in-out infinite;
    animation-delay: 2s;
}

.yuandanimg {
    position: absolute;
    top: 6%;
    right: 50%;
    transition: 2s;
    transform: translateY(0) translateX(50%);
    animation: TYAnimation 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

.JSimg {
    height: 60%;
    opacity: 0;
    bottom: 55px;
    transition: all .5s;
    position: absolute;
}

.jstitle {
    display: flex;
    position: absolute;
    top: calc(50% - 35px);
    left: calc(50% - 213px);
    transition: .8s;
}

.titlesec {
    width: 10%;
    display: flex;
    align-items: center;
}

.giftimg {
    position: absolute;
    bottom: 23px;
    height: 650px;
    left: -13px;
    animation: giftAnimation 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

.botttomclludimg {
    position: absolute;
    bottom: -10px;
    height: 220px;
    left: -13px;
    pointer-events: none;
    animation: bcAnimation 4s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes rbAnimation {
    0% {
        right: -10px;
    }

    50% {
        right: 0;
    }

    100% {
        right: -10px;
    }
}

@keyframes qqAnimation {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(10px);
    }

    100% {
        transform: translateX(0);
    }
}

@keyframes TYAnimation {
    0% {
        transform: translateY(0) translateX(50%);
    }

    50% {
        transform: translateY(10px) translateX(50%);
    }

    100% {
        transform: translateY(0) translateX(50%);
    }
}

@keyframes bcAnimation {
    0% {
        bottom: -10px;
        left: -13px;
    }

    50% {
        bottom: 0px;
        left: -15px;
    }

    100% {
        bottom: -10px;
        left: -13px;
    }
}

@keyframes giftAnimation {
    0% {
        bottom: 23px;
        left: -13px;
    }

    50% {
        bottom: 16px;
        left: 0;
    }

    100% {
        bottom: 23px;
        left: -13px;
    }
}

@keyframes longAnimation {
    0% {
        bottom: -5px;
    }

    50% {
        bottom: 10px;
    }

    100% {
        bottom: -5px;
    }
}

@keyframes s2026Animation {
    0% {
        top: 0;
    }

    50% {
        top: -5px;
    }

    100% {
        top: 0;
    }
}

.yanhua2 {
    position: absolute;
    bottom: 80px;
    width: 280px;
    height: 280px;
    right: 40px;
}

.denglongtop {
    position: absolute;
    top: 0;
    left: calc(50vw - 250px);
    width: 500px;
    transition: 1.5s;
    animation: qqAnimation 4s ease-in-out infinite;
    animation-delay: 3s;
}

.s2026 {
    position: absolute;
    top: 0;
    height: 200px;
    left: 20px;
    transition: .8s;
    animation: s2026Animation 4s ease-in-out infinite;
    animation-delay: 3s;
}

.denglongright {
    position: fixed;
    width: 280px;
    height: 280px;
    right: 0;
}

.bubble-container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    top: 0;
    left: 0;
}

.bubble-container .bubble {
    position: absolute;
    bottom: -10rem;
    width: 4rem;
    height: 4rem;
    background-color: #f1f1f1;
    border-radius: 50%;
    opacity: .5;
    animation: rise 10s infinite ease;
}

.bubble-container .bubble-1 {
    width: 4rem;
    height: 4rem;
    left: 10%;
    animation: 8s;
}

.bubble-container .bubble-2 {
    width: 2rem;
    height: 2rem;
    left: 20%;
    animation-duration: 5s;
    animation-delay: 1s;
}

.bubble-container .bubble-3 {
    width: 5rem;
    height: 5rem;
    left: 35%;
    animation-duration: 7s;
    animation-delay: 2s;
}

.bubble-container .bubble-4 {
    width: 8rem;
    height: 8rem;
    left: 50%;
    animation-duration: 11s;
    animation-delay: 0s;
}

.bubble-container .bubble-5 {
    width: 3.5rem;
    height: 3，5rem;
    left: 55%;
    animation-duration: 6s;
    animation-delay: 1s;
}

.bubble-container .bubble-6 {
    width: 4.5rem;
    height: 4，5rem;
    left: 65%;
    animation-duration: 8s;
    animation-delay: 3s;
}

.bubble-container .bubble-7 {
    width: 9rem;
    height: 9rem;
    left: 75%;
    animation-duration: 12s;
    animation-delay: 2s;
}

.bubble-container .bubble-8 {
    width: 2.5rem;
    height: 2.5rem;
    left: 80%;
    animation-duration: 6s;
    animation-delay: 2s;
}


@keyframes rise {
    0% {
        bottom: -10rem;
        transform: translateX(0);
    }

    50% {
        transform: translate(10rem);
    }

    100% {
        bottom: 1080px;
        transform: translateX(-20rem);
    }
}

/* Start button styles */
.start-btn-container {
    position: absolute;
    bottom: 8vh;
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
}

.start-btn {
    background: linear-gradient(45deg,#ff4d4d,#ff9a3c);
    color: #fff;
    border: none;
    padding: 12px 34px;
    font-size: 28px;
    font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    border-radius: 40px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0,0,0,.28), 0 0 0 rgba(255,154,60,0.15);
    animation: btnFloat 4s ease-in-out infinite, btnPulse 1.8s infinite;
    transition: transform .15s, box-shadow .15s;
    text-transform: none;
    font-weight: 700;
}

.start-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 34px rgba(0,0,0,.32), 0 0 22px rgba(255,154,60,0.3);
}

.start-btn:active {
    transform: translateY(-2px) scale(.99);
}

@keyframes btnPulse {
    0% { box-shadow: 0 8px 20px rgba(0,0,0,.25), 0 0 0 rgba(255,154,60,0.15); transform: translateY(0); }
    50% { box-shadow: 0 18px 40px rgba(0,0,0,.3), 0 0 30px rgba(255,154,60,0.35); transform: translateY(-6px); }
    100% { box-shadow: 0 8px 20px rgba(0,0,0,.25), 0 0 0 rgba(255,154,60,0.15); transform: translateY(0); }
}

/* Float animation to match the s2026 element's gentle vertical motion */
@keyframes btnFloat {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.02); }
    100% { transform: translateY(0) scale(1); }
}

@media (max-width: 480px) {
    .start-btn { font-size: 18px; padding: 12px 28px; }
}