/* ---------- 页面容器 ---------- */
#pager {
    position: relative;
    width: 100%;
    height: calc(100% - 64px - 80px);
    margin-top: 64px;
    z-index: 1;
}

/* ---------- 单页 ---------- */
.page {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.page.active {
    pointer-events: auto;
    z-index: 2;
}

.page.prev {
    z-index: 1;
}

/* 只让 frame 动画 */
.page-frame {
    position: absolute;
    inset: 0;
    padding-right: 70px;
    padding-left: 70px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.page.active .page-frame {
    opacity: 1;
    transform: translateY(0);
}

.page.prev .page-frame {
    opacity: 0;
    transform: scale(0.98);
}

/* 滚动层 */
.page-scroll {
    height: 100%;
    overflow-y: auto;
    scrollbar-width: none;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.page-scroll::-webkit-scrollbar {
    width: 0;
    height: 0;
}

/* ---------- 内容排版 ---------- */
h1 {
    font-size: 48px;
    margin: 30px 0 20px;

}

p {
    max-width: 720px;
    line-height: 1.6;
    color: var(--muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    padding: 24px;
    border: 1px solid rgba(255, 225, 0, 0.381);
}

/* 响应式：页面内容 */
@media (max-width: 1024px) {
    .page {
        padding: 48px;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page {
        padding: 24px;
    }

    h1 {
        font-size: 32px;
    }

    p {
        font-size: 14px;
        line-height: 1.5;
    }

    .cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .page {
        padding: 16px;
    }

    h1 {
        font-size: 26px;
    }
}