body {
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
    background:
        radial-gradient(circle at 12% 8%, rgba(255, 224, 130, 0.42), transparent 25%),
        radial-gradient(circle at 88% 12%, rgba(129, 212, 250, 0.35), transparent 24%),
        linear-gradient(180deg, #f7fcff 0%, #fffaf1 100%);
}

.kids-scene {
    position: relative;
    min-height: 120px;
    margin: 8px 0 18px;
    padding: 22px 128px 18px 18px;
    overflow: hidden;
    border-radius: 8px;
    background: linear-gradient(135deg, #e3f2fd 0%, #fff8e1 54%, #fce4ec 100%);
    border: 1px solid rgba(90, 126, 170, 0.16);
}

.kids-scene h1 {
    position: relative;
    z-index: 2;
    margin: 0 0 8px;
    text-align: left;
}

.kids-scene p {
    position: relative;
    z-index: 2;
    color: #53606f;
    line-height: 1.5;
}

.cloud {
    position: absolute;
    width: 84px;
    height: 28px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 22px -10px 0 4px rgba(255,255,255,0.92), 42px 0 0 1px rgba(255,255,255,0.92);
    animation: cloudFloat 7s ease-in-out infinite;
}

.cloud.one { right: 92px; top: 24px; }
.cloud.two { right: 24px; bottom: 22px; transform: scale(0.78); animation-delay: -2.5s; }

.balloon {
    position: absolute;
    right: 44px;
    top: 36px;
    width: 46px;
    height: 58px;
    border-radius: 50% 50% 46% 46%;
    background: #ff8a80;
    box-shadow: inset -9px -12px 0 rgba(180, 55, 55, 0.14);
    animation: balloonBob 3.8s ease-in-out infinite;
}

.balloon::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 12px;
    width: 10px;
    height: 16px;
    border-radius: 999px;
    background: rgba(255,255,255,0.55);
}

.balloon::after {
    content: "";
    position: absolute;
    left: 22px;
    top: 57px;
    width: 2px;
    height: 56px;
    background: repeating-linear-gradient(180deg, #78909c 0 6px, transparent 6px 10px);
}

.star {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #ffd54f;
    clip-path: polygon(50% 0%, 62% 34%, 98% 35%, 69% 56%, 79% 91%, 50% 70%, 21% 91%, 31% 56%, 2% 35%, 38% 34%);
    animation: starTwinkle 1.8s ease-in-out infinite alternate;
}

.star.one { right: 150px; bottom: 28px; }
.star.two { right: 118px; top: 70px; animation-delay: -0.6s; }
.star.three { right: 18px; top: 18px; animation-delay: -1.1s; }

.category-card,
.points-card,
.history-item,
.form-container,
table {
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.category-card:hover,
.points-card:hover,
.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(76, 91, 117, 0.14);
}

.btn,
.button,
.child-btn {
    transition: transform 0.16s ease, filter 0.16s ease;
}

.btn:hover,
.button:hover,
.child-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
}

@keyframes balloonBob {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-12px) rotate(3deg); }
}

@keyframes cloudFloat {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-14px); }
}

@keyframes starTwinkle {
    from { transform: scale(0.86) rotate(0deg); opacity: 0.55; }
    to { transform: scale(1.18) rotate(12deg); opacity: 1; }
}

@media (max-width: 520px) {
    .kids-scene {
        min-height: 132px;
        padding-right: 88px;
    }

    .cloud.one {
        right: 58px;
    }

    .cloud.two {
        display: none;
    }

    .balloon {
        right: 22px;
        transform: scale(0.86);
    }

    .star.one,
    .star.two {
        right: 92px;
    }
}