/* HAVE FUN 页面样式 */
.project-page {
    background: transparent;
    font-family: 'Inter', sans-serif;
}

.project-cover {
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    z-index: 1;
}

.parallax-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
}

.cover-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 100%;
}

.cover-video {
    width: 100%;
    height: 100%;
    min-height: 100%;
    object-fit: cover;
}

.project-intro {
    padding: 0 30px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #D4D4D4;
    color: #000000;
    position: relative;
    z-index: 2;
    margin-top: 100vh;
}

.intro-content {
    display: flex;
    flex-direction: column;
}

.project-title {
    font-family: 'FZChaoCuHei-M10S', serif;
    font-style: normal;
    padding: 0;
    font-size: 68px;
    line-height: 123%;
    letter-spacing: 0.06em;
    color: #000000;
    display: flex;
    text-align: left;
    vertical-align: top;
    flex-direction: row;
    flex-wrap: wrap;
}

.title-cn {
    text-align: left;
}

.title-sep {
    font-weight: 400;
    color: #666;
    margin: 0 20px;
}

.project-subtitle {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: #000;
    margin-top: 10px;
}

.project-video {
    position: relative;
    background: #D4D4D4;
    padding: 0 30px 23px;
    z-index: 2;
}

.video-wrapper {
    width: 100%;
}

.main-video {
    width: 100%;
    display: block;
    height: auto;
}

.project-nav {
    padding: 80px 30px 80px 80px;
    background: #D4D4D4;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 120px;
    position: relative;
    z-index: 2;
}

.prev-project,
.next-project {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #000;
}

.prev-label,
.next-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 4px;
    color: #666;
    margin-bottom: 20px;
}

.prev-title,
.next-title {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 8px;
    transition: color 0.3s ease;
}

.prev-project:hover .prev-title,
.next-project:hover .next-title {
    color: #0066ff;
}

.prev-project:active .prev-title,
.next-project:active .next-title {
    color: #0066ff;
}

/* 响应式设计 */
@media (min-width: 769px) and (max-width: 1024px) {
    .project-intro {
        margin-top: 75vh;
        padding: 25px 30px;
    }

    .project-video {
        padding-bottom: 10px;
    }

    .project-nav {
        padding: 50px 30px;
        gap: 80px;
    }
}

@media (max-width: 768px) {
    .project-intro {
        margin-top: 70vh;
        padding: 20px 30px;
    }

    .project-title {
        font-size: 24px;
        letter-spacing: 4px;
    }

    .project-subtitle {
        font-size: 12px;
        letter-spacing: 3px;
    }

    .project-video {
        padding: 0 15px 15px;
    }

    .project-nav {
        padding: 40px 30px;
        gap: 60px;
    }

    .prev-title,
    .next-title {
        font-size: 28px;
    }
}