* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    margin: 0;
    color: #252525;
    background: #f7f7f5;
    /* font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Microsoft YaHei", monospace; */
}

a {
    color: inherit;
}

.article-excerpt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

button,
input {
    font: inherit;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 3.25rem;
    padding: 0.6rem max(1rem, calc((100% - 1180px) / 2));
    border-bottom: 1px solid #d9d9d4;
    background: rgba(247, 247, 245, 0.96);
}

.site-title {
    flex: 0 0 auto;
    /* font-family: Georgia, "Songti SC", serif; */
    font-weight: 600;
    text-decoration: none;
}

.site-header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.site-header nav a {
    color: #666;
    text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
    color: #111;
    text-decoration: underline;
    text-underline-offset: 0.25rem;
}

.site-search {
    position: relative;
    width: min(15rem, 25vw);
    margin-left: auto;
}

.site-search input {
    width: 100%;
    padding: 0.35rem 0.55rem;
    border: 1px solid #d0d0cb;
    border-radius: 0;
    color: inherit;
    background: transparent;
}

.search-results {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    width: min(24rem, 85vw);
    max-height: 24rem;
    overflow-y: auto;
    border: 1px solid #c9c9c3;
    background: #fff;
}

.search-results[hidden] {
    display: none;
}

.search-results a {
    display: block;
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid #e8e8e4;
    text-decoration: none;
}

.search-results a:last-child {
    border-bottom: 0;
}

.search-results a:hover,
.search-results a:focus-visible {
    background: #f1f1ed;
}

.search-results strong,
.search-results span {
    display: block;
}

.search-results span,
.search-empty {
    color: #777;
    font-size: 0.85rem;
}

.search-results .search-snippet {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin-top: 0.15rem;
}

.search-results mark {
    color: #252525;
    background: #ffe08a;
}

.search-empty {
    margin: 0;
    padding: 0.75rem;
}

.search-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
    color: #777;
    font-size: 0.85rem;
}

.search-pagination button {
    padding: 0.2rem 0.3rem;
    border: 0;
    color: #175c8d;
    background: transparent;
    cursor: pointer;
}

.search-pagination button:hover:not(:disabled),
.search-pagination button:focus-visible:not(:disabled) {
    background: #f1f1ed;
}

.search-pagination button:disabled {
    color: #aaa;
    cursor: default;
}

@media (max-width: 820px) {
    .site-header {
        position: static;
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 0.55rem 1rem;
    }

    .site-header nav {
        order: 3;
        width: 100%;
    }

    .site-search {
        width: min(11rem, 48vw);
    }
}