.app-bg {
    width: 100%;
    height: 100%;
    background: center / cover url('/public/media/img/projects/TEAMCOMBOO/0.jpg');
    filter: brightness(0.2);
    background-size: 300%;
    position: fixed;
    z-index: -1;
    left: 0;
    top: 0;
    pointer-events: none;
    animation: app-bgAni 60s ease-in-out infinite;
}

@keyframes app-bgAni {
    0% {
        background-size: 300%;
        background-position: 0 0;
    }
    25% {
        background-size: 260%;
        background-position: 0% 100%;
    }
    50% {
        background-size: 300%;
        background-position: 50% 50%;
    }
    75% {
        background-size: 260%;
        background-position: 100% 0%;
    }
    100% {
        background-size: 300%;
        background-position: 0 0;
    }
}

/* 顶部导航栏容器 -重写*/
header {
    background-color: transparent;
}

/* 滚动淡入淡出动效 */
@keyframes ItemAppear {
    from {
        opacity: 0;
        pointer-events: none;
    }
    to {
        opacity: 1;
        pointer-events: auto;
    }
}

@keyframes pAppear {
    0% {
        transform-origin: 50% 200%;
        transform: scale(0.8) translate(0, -100%);
        filter: blur(13px);
        background: #000000;
        border-radius: 500px;
        pointer-events: none;
        z-index: 0;
    }
    100% {
        transform: scale(1);
        filter: unset;
        background: transparent;
        pointer-events: auto;
        z-index: 1;
    }
}

main {
    width: 100%;
    position: relative;
    transition: 0.5s cubic-bezier(0.3, -0.01, 0.11, 1.12);
}

main section ,footer{
    padding: 10vw;
    width: calc(100% - 20vw);
    margin: 0;
    z-index: 1;
    position: relative;
    overflow: hidden;
    background: linear-gradient(transparent, black, transparent);
    color: aliceblue;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: 0.5s cubic-bezier(0.3, -0.01, 0.11, 1.12);
}

main h2 {
    font-size: clamp(0.3rem, 0.3rem + 1.5vw, 1.5rem);
    font-weight: bold;
    margin: 20px;
    z-index: 1;
    align-self: flex-start;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-intro {
    height: 70vh;
    text-align: center;
    padding-bottom: 20px;
    padding-top: 100px;
    position: sticky;
    display: flex;
    top:0;
    backdrop-filter: unset; webkit--backdrop-filter: unset;
    background: unset;
}

.project-intro .title-box {
    bottom: 50px;
    left: 50px;
    position: absolute;
    border-radius: 25px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 20px;
    animation: backgroundColorFade 10s infinite;
}
@keyframes backgroundColorFade {
    0% {
        background-color: #0f2b46cc;
    }
    
    25% {
        background-color: #0947378c;
    }
    50% {
        background-color: #260d56ab;
    }
    75% {
        background-color: #41300a9c;
    }
    100% {
        background-color: #0f2b46cc;
    }
}

.project-intro .main-title {
    font-size: 2.3rem;
    color: #ff4800a3;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-intro .sub-title {
    font-size: 1.2rem;
    color: #b1b1b1b8;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-intro .project-bg {
    max-width: 100%;
    margin: 20px auto;
    border-radius: 45px;
    object-fit: cover;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-details{
    border-radius: 20vw 20vw 0 0;
}

.project-details .details-box {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.project-details .box {
    flex: 1;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-details h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-team .team-box {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    display: flex;
    justify-content: center;
}

.project-team .member {
    width: 22%;
    position: relative;
    min-width: 110px;
    text-align: center;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-team .member img {
    width: 70%;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 10px;
}

.project-join .join-box {
    text-align: center;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.project-join ul {
    list-style: none;
}

.project-join li {
    margin-bottom: 10px;
}

/* 底部样式 */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    width: 100%;
    padding: 20px 0;
}

.liaison-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    display: flex; flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
}
.liaison-container .title-box{
    padding: 20px; position: unset;
}
.liaison-container .main-title {
    font-size: 2rem;
    margin-bottom: 10px;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

.liaison-container .sub-title {
    font-size: 1rem;
    transition: 1.2s cubic-bezier(0.51, 0.31, 0.01, 1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .project-details .details-box {
        flex-direction: column;
    }

    .project-team .team-box {
        justify-content: center;
    }

    footer .liaison-container {
        justify-content:center;
        padding: 10px;
    }
    .project-intro {
        flex-direction: column;
    }
    .project-intro .title-box{
        position: unset;
        border-radius: 45px 45px 0 0;
        margin: 0;
    }
    .project-intro .project-bg{
        border-radius: 0 0  45px 45px;
        margin: 0;
    }
}