/* 新闻动态页动画 */

:root {
    --news-anim-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --news-anim-duration: 0.75s;
}

/* 新闻卡片 */
.news-card {
    opacity: 0;
    transform: translateY(calc(28px * var(--layout-scale)));
    transition:
        opacity 0.65s var(--news-anim-ease),
        transform 0.65s var(--news-anim-ease),
        box-shadow 0.35s ease;
}

.news-list-section.news-anim-in .news-card {
    opacity: 1;
    transform: translateY(0);
}

.news-list-section.news-anim-in .news-card:nth-child(1) { transition-delay: 0.05s; }
.news-list-section.news-anim-in .news-card:nth-child(2) { transition-delay: 0.12s; }
.news-list-section.news-anim-in .news-card:nth-child(3) { transition-delay: 0.19s; }
.news-list-section.news-anim-in .news-card:nth-child(4) { transition-delay: 0.26s; }
.news-list-section.news-anim-in .news-card:nth-child(5) { transition-delay: 0.33s; }
.news-list-section.news-anim-in .news-card:nth-child(6) { transition-delay: 0.4s; }
.news-list-section.news-anim-in .news-card:nth-child(7) { transition-delay: 0.47s; }

.news-card:hover {
    box-shadow: 0 calc(10px * var(--layout-scale)) calc(28px * var(--layout-scale)) rgba(22, 84, 255, 0.1);
    transform: translateY(calc(-4px * var(--layout-scale)));
}

.news-list-section.news-anim-in .news-card:hover {
    transform: translateY(calc(-4px * var(--layout-scale)));
}

.news-card-pic img {
    transition: transform 0.45s var(--news-anim-ease);
}

.news-card:hover .news-card-pic img {
    transform: scale(1.05);
}

.news-card-body h3 {
    transition: color 0.25s ease;
}

.news-card:hover .news-card-body h3 {
    color: #1654FF;
}

/* 分页 */
.news-page .news-pagination {
    opacity: 0;
    transform: translateY(calc(16px * var(--layout-scale)));
    transition:
        opacity 0.6s var(--news-anim-ease),
        transform 0.6s var(--news-anim-ease);
}

.news-list-section.news-anim-in .news-pagination {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.52s;
}

/* 侧边栏 */
.news-page ~ .side-float {
    opacity: 0;
    transform: translateX(calc(20px * var(--layout-scale)));
    transition:
        opacity 0.6s var(--news-anim-ease) 0.6s,
        transform 0.6s var(--news-anim-ease) 0.6s;
}

body.news-anim-ready .side-float {
    opacity: 1;
    transform: translateX(0);
}

body.news-anim-ready .side-float-item {
    transition: transform 0.25s ease;
}

body.news-anim-ready .side-float-item:hover {
    transform: translateX(calc(-3px * var(--layout-scale)));
}

@media (prefers-reduced-motion: reduce) {
    .news-card,
    .news-page .news-pagination,
    .news-page ~ .side-float,
    body.news-anim-ready .side-float {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}