body {
    border-top: 0px;
}

.container {
    display: flex;
    justify-content: space-between;
    padding: 20px;
}

.main {
    flex: 10;
    margin: 0 20px;
}

.title1 {
    font-size: 30px;
}

.bookpic {
    height: 300px;
}

.card:hover {
    color: rgb(0, 132, 255);
    cursor: pointer;
}

.rainbow-text {
    display: inline-block;
    background-image: -webkit-linear-gradient(90deg, red, orange, yellow, red, orange);
    -webkit-background-clip: text;
    color: transparent;
    font-size: 100px;
}

.ad-banner {
    width: 100%;
    height: 200px;
    background-color: gray;
    color: white;
    text-align: center;
}

.ad-side {
    /* width: 10%; */
    height: 600px;
    background-color: gray;
    color: white;
    text-align: center;
    flex: 1;
}

.custom-caption {
    text-align: center;
    padding: 50px;
    color: white;
    background-color: rgba(0, 0, 0, .3);
}

.combined-color-1 {
    background: radial-gradient(ellipse at top, #e66465, transparent),
        radial-gradient(ellipse at bottom, #4d9f0c, transparent),
        radial-gradient(ellipse at left, #0fce65, transparent),
        radial-gradient(ellipse at right, #f3c809, transparent);
}

.combined-color-2 {
    background: radial-gradient(ellipse at top, #a3e664, transparent),
        radial-gradient(ellipse at bottom, #0c9f6e, transparent),
        radial-gradient(ellipse at left, #0f92ce, transparent),
        radial-gradient(ellipse at right, #f309c0, transparent);
}

.combined-color-3 {
    background: radial-gradient(ellipse at top, #64d7e6, transparent),
        radial-gradient(ellipse at bottom, #9f780c, transparent),
        radial-gradient(ellipse at left, #b80fce, transparent),
        radial-gradient(ellipse at right, #09f328, transparent);
}

.combined-color-4 {
    background: radial-gradient(ellipse at top, #64e6db, transparent),
        radial-gradient(ellipse at bottom, #ecdd07, transparent),
        radial-gradient(ellipse at left, #ce2c0f, transparent),
        radial-gradient(ellipse at right, #9509f3, transparent);
}

.combined-color-5 {
    background: radial-gradient(ellipse at top, #e67864, transparent),
        radial-gradient(ellipse at bottom, #3cec07, transparent),
        radial-gradient(ellipse at left, #0f32ce, transparent),
        radial-gradient(ellipse at right, #f30957, transparent);
}

.combined-color-6 {
    background: radial-gradient(ellipse at top, #c42bd8, transparent),
        radial-gradient(ellipse at bottom, #ec6e07, transparent),
        radial-gradient(ellipse at left, #4cce0f, transparent),
        radial-gradient(ellipse at right, #0995f3, transparent);
}

.combined-color-7 {
    background: radial-gradient(ellipse at top, #d82b2b, transparent),
        radial-gradient(ellipse at bottom, #ddec07, transparent),
        radial-gradient(ellipse at left, #0fcece, transparent),
        radial-gradient(ellipse at right, #2009f3, transparent);
}

.combined-color-8 {
    background: radial-gradient(ellipse at top, #2bd85f, transparent),
        radial-gradient(ellipse at bottom, #4c07ec, transparent),
        radial-gradient(ellipse at left, #1fce0f, transparent),
        radial-gradient(ellipse at right, #f30999, transparent);
}

.combined-color-9 {
    background: radial-gradient(ellipse at top, #2bbed8, transparent),
        radial-gradient(ellipse at bottom, #ec4807, transparent),
        radial-gradient(ellipse at left, #ce0fa5, transparent),
        radial-gradient(ellipse at right, #86f309, transparent);
}

.combined-color-10 {
    background: radial-gradient(ellipse at top, #d82bca, transparent),
        radial-gradient(ellipse at bottom, #94ec07, transparent),
        radial-gradient(ellipse at left, #0fb8ce, transparent),
        radial-gradient(ellipse at right, #dcf309, transparent);
}

.carousel {
    display: flex;
    overflow: hidden;
    width: 100%;
    height: 300px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.person {
    max-width: 100%;
    width: 300px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.person-outline {
    width: 340px;
    height: 500px;
}

/* .person img {
  max-height: 100%;
  max-width: 80%;
} */


@media (max-width: 1080px) {
    .rainbow-text {
        font-size: 30px;
    }
}

.flexcards-container {
    display: flex;
    flex-wrap: wrap;
}

.flexcards-item {
    flex: 1 0 100%;
    text-align: center;
    padding: 10px;
    box-sizing: border-box;
    margin: 16px 0px;
}

@media (min-width: 1080px) {
    .flexcards-item {
        flex-basis: calc((100% - 96px) / 3);
        max-width: calc((100% - 96px) / 3);
        margin: 16px;
    }
}

@keyframes flame-animation {
    0% {
        box-shadow: 0 0 1px 1px rgba(255, 165, 0, 0.5),
                   0 0 2px 2px rgba(255, 165, 0, 0.4),
                   0 0 30px 3px rgba(255, 165, 0, 0.3),
                   0 0 4px 4px rgba(255, 165, 0, 0.2),
                   0 0 5px 5px rgba(255, 165, 0, 0.1);
    }
    50% {
        box-shadow: 0 0 6px 6px rgba(255, 165, 0, 0.5),
                   0 0 6px 6px rgba(255, 165, 0, 0.4),
                   0 0 6px 6px rgba(255, 165, 0, 0.3),
                   0 0 6px 6px rgba(255, 165, 0, 0.2),
                   0 0 6px 6px rgba(255, 165, 0, 0.1);
    }
    100% {
        box-shadow: 0 0 1px 1px rgba(255, 165, 0, 0.5),
                   0 0 2px 2px rgba(255, 165, 0, 0.4),
                   0 0 3px 3px rgba(255, 165, 0, 0.3),
                   0 0 4px 4px rgba(255, 165, 0, 0.2),
                   0 0 5px 5px rgba(255, 165, 0, 0.1);
    }
}

.flame-border {
    position: relative;
    display: inline-block;
    animation: flame-animation 2s infinite;
}

.flame-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid rgba(255, 165, 0, 0.5);
    border-radius: 10px; /* 根据需要调整圆角大小 */
    box-shadow: 0 0 10px 10px rgba(255, 165, 0, 0.5),
                0 0 20px 20px rgba(255, 165, 0, 0.4),
                0 0 30px 30px rgba(255, 165, 0, 0.3),
                0 0 40px 40px rgba(255, 165, 0, 0.2),
                0 0 50px 50px rgba(255, 165, 0, 0.1);
    pointer-events: none; /* 确保边框不会影响鼠标事件 */
}
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
#loading-text {
    font-size: 2em;
    color: #333;
}

.big-button {
    border: 1px grey solid;
    border-radius: 5px;
    display: flex;
    align-content: center;
    justify-content: center;
    align-items: center;
}

.bd-outline {
    position: relative;
    border: 1px grey solid;
    border-radius: 5px;
}

.bd-corner {
    position: absolute;
    left: 0%;
    bottom: 0%;
    font-size: 1em;
    color: white;
    background-color: rgba(128, 128, 128, 0.7);
    z-index: 100;
    border-radius: 2px;
    cursor: pointer;
}

.qrcode {
    max-width: 100%;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}