@charset "UTF-8";
/* ==========================================================================
   SHMILY · 素笺
   一套「纸感」的单栏皮肤：无卡片、无阴影、无大图，靠字距与细线建立层次。
   与 Aria 那套玻璃卡片形成强对比，用来验证多主题切换。
   ========================================================================== */

:root {
    --ink: #17191d;
    --ink-2: #4b525b;
    --ink-3: #8a9099;
    --line: #e6e7ea;
    --paper: #fcfcfa;
    --accent: #b23a2e;
    --accent-soft: rgba(178, 58, 46, .08);
    --shell: 44rem;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    --serif: Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, serif;
    --mono: "JetBrains Mono", "Fira Code", Consolas, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16.5px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; }

.shell {
    width: 100%;
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0 24px;
}

.muted { color: var(--ink-3); }
.sep { color: var(--ink-3); margin: 0 6px; }

.skip {
    position: absolute; left: -9999px;
}
.skip:focus {
    left: 12px; top: 12px; z-index: 99;
    background: #fff; padding: 8px 14px; border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
}

/* ---------- 页头 ---------- */
.site-head {
    border-bottom: 1px solid var(--line);
    padding: 26px 0 0;
}
.site-head .shell {
    display: flex;
    align-items: baseline;
    gap: 26px;
    flex-wrap: wrap;
    padding-bottom: 18px;
}
.brand {
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--ink);
}
.brand:hover { color: var(--accent); }
.nav {
    margin-left: auto;
    display: flex;
    flex-wrap: wrap;      /* 条目多时整条折行，而不是把「首页」拆成两个字 */
    align-items: baseline;
    column-gap: 20px;
    row-gap: 10px;
    font-size: 14px;
    color: var(--ink-2);
}
.nav a {
    color: var(--ink-2);
    white-space: nowrap;  /* 中文默认可在任意字间断行，必须显式禁止 */
    padding-bottom: 3px;
    border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- 首页导语 ---------- */
.intro { padding: 52px 0 10px; }
.intro-title {
    font-family: var(--serif);
    font-size: clamp(30px, 5vw, 40px);
    line-height: 1.25;
    font-weight: 600;
    letter-spacing: .5px;
    margin: 0 0 10px;
}
.intro-desc { margin: 0 0 6px; color: var(--ink-2); font-size: 15px; }
.intro-note { margin: 0; color: var(--ink-3); font-size: 14px; }

/* ---------- 列表 ---------- */
.list { padding: 30px 0 0; }

.entry {
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
}
.entry:first-child { border-top: 1px solid var(--line); }

.entry-date {
    display: block;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--ink-3);
    margin-bottom: 8px;
}
.entry-title {
    font-family: var(--serif);
    font-size: clamp(20px, 2.6vw, 24px);
    line-height: 1.45;
    font-weight: 600;
    margin: 0 0 8px;
}
.entry-title a { color: var(--ink); background-image: linear-gradient(var(--accent), var(--accent));
    background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%;
    transition: background-size .25s ease; }
.entry-title a:hover { color: var(--accent); background-size: 100% 1px; }
.entry-excerpt { margin: 0 0 10px; color: var(--ink-2); font-size: 15px; line-height: 1.8; }
.entry-meta { font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }

/* ---------- 翻页 ---------- */
.pager { padding: 34px 0 20px; font-size: 14px; }
.pager .page-navigator {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.pager .page-navigator li { margin: 0; list-style: none; }
.pager .page-navigator li a,
.pager .page-navigator li > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    color: var(--ink-2);
    line-height: 1;
}
.pager .page-navigator li > span { border-color: transparent; color: var(--ink-3); }
.pager .page-navigator li a:hover { border-color: var(--accent); color: var(--accent); }
.pager .page-navigator li.current a {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}
.pager .page-navigator li.prev a,
.pager .page-navigator li.next a { border-color: transparent; padding: 0 4px; }

/* ---------- 文章 ---------- */
.post { padding: 54px 0 0; }
.post-head { margin-bottom: 34px; }
.post-date {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--ink-3);
}
.post-title {
    font-family: var(--serif);
    font-size: clamp(27px, 4.4vw, 37px);
    line-height: 1.32;
    font-weight: 600;
    letter-spacing: .3px;
    margin: 12px 0 14px;
}
.post-meta { font-size: 13px; color: var(--ink-3); }
.post-meta a { color: var(--ink-3); }
.post-meta a:hover { color: var(--accent); }

.post-body { font-size: 17px; line-height: 1.95; color: var(--ink); }
.post-body > p { margin: 0 0 1.35em; }
.post-body h2 {
    font-family: var(--serif);
    font-size: 23px;
    font-weight: 600;
    margin: 2.1em 0 .7em;
    padding-bottom: .35em;
    border-bottom: 1px solid var(--line);
}
.post-body h3 { font-size: 19px; font-weight: 650; margin: 1.8em 0 .6em; }
.post-body h4 { font-size: 17px; font-weight: 650; margin: 1.5em 0 .5em; }
.post-body a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.post-body a:hover { border-bottom-color: var(--accent); background: var(--accent-soft); }
.post-body strong { font-weight: 650; }
.post-body em { font-style: italic; color: var(--ink-2); }
.post-body blockquote {
    margin: 1.6em 0;
    padding: 2px 0 2px 18px;
    border-left: 3px solid var(--line);
    color: var(--ink-2);
}
.post-body ul, .post-body ol { padding-left: 1.35em; margin: 0 0 1.35em; }
.post-body li { margin: .35em 0; }
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.post-body code {
    font-family: var(--mono);
    font-size: .88em;
    background: #f3f4f2;
    padding: .15em .4em;
    border-radius: 4px;
}
.post-body pre {
    background: #f7f7f5;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 18px;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.75;
}
.post-body pre code { background: none; padding: 0; font-size: inherit; }
.post-body img { border-radius: 8px; }
.post-body table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 1.6em 0; }
.post-body th, .post-body td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.post-body th { background: #f7f7f5; font-weight: 650; }

.post-tags { margin: 40px 0 0; font-size: 12.5px; font-family: var(--mono); }
.post-tags a {
    display: inline-block;
    margin: 0 8px 8px 0;
    padding: 3px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-3);
}
.post-tags a:hover { color: var(--accent); border-color: var(--accent); }
.post-tags:empty { display: none; }

.post-nav {
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin: 44px 0 0;
    padding: 20px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.post-nav .pn-next { text-align: right; }
.post-nav a { color: var(--ink-2); }
.post-nav a:hover { color: var(--accent); }

/* ---------- 归档 / 搜索 ---------- */
.archive-head { padding: 52px 0 8px; }
.archive-title {
    font-family: var(--serif);
    font-size: clamp(24px, 3.4vw, 30px);
    font-weight: 600;
    margin: 0;
}
.archive-desc { color: var(--ink-3); font-size: 14px; margin: 8px 0 0; }
.empty { padding: 60px 0; color: var(--ink-3); }

/* ---------- 评论 ---------- */
.comments { margin: 56px 0 0; padding-top: 26px; border-top: 1px solid var(--line); }
.comments-title, .respond-title {
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    margin: 0 0 18px;
}
.comment-list { list-style: none; margin: 0 0 12px; padding: 0; }
.comment-list ol { list-style: none; padding-left: 22px; margin: 14px 0 0; }
.comment-list li.comment-body {
    padding: 16px 0;
    border-top: 1px solid var(--line);
}
.comment-list .comment-author {
    font-size: 14px;
    font-weight: 650;
    color: var(--ink);
}
.comment-list .comment-author a { color: var(--ink); }
.comment-list .comment-meta { font-size: 12px; color: var(--ink-3); font-family: var(--mono); }
.comment-list .comment-content { font-size: 15px; line-height: 1.85; color: var(--ink-2); margin-top: 6px; }
.comment-list .comment-reply { font-size: 12.5px; margin-top: 6px; }
.comment-list .comment-reply a { color: var(--ink-3); }
.comment-list .comment-reply a:hover { color: var(--accent); }
.comment-list .comment-by-author .comment-author { color: var(--accent); }

.comments .pageNav { margin: 14px 0 26px; font-size: 13.5px; }
.comments .pageNav a { color: var(--ink-2); margin-right: 12px; }

.respond { margin-top: 26px; }
.cform-note { font-size: 13px; color: var(--ink-3); margin: 0 0 14px; }
.cform-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.cform label { display: block; font-size: 12.5px; color: var(--ink-3); }
.cform input, .cform textarea {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    font: inherit;
    font-size: 14.5px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.cform input:focus, .cform textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.cform textarea { resize: vertical; line-height: 1.8; }
.cform-submit {
    margin-top: 14px;
    padding: 10px 22px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--ink);
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
.cform-submit:hover { background: var(--accent); transform: translateY(-1px); }
.comments-closed { color: var(--ink-3); font-size: 14px; }

/* ---------- 404 ---------- */
.notfound { padding: 90px 0 60px; text-align: center; }
.nf-code { font-family: var(--mono); font-size: 13px; letter-spacing: 4px; color: var(--ink-3); margin: 0; }
.nf-title { font-family: var(--serif); font-size: 30px; font-weight: 600; margin: 10px 0 8px; }
.nf-desc { color: var(--ink-2); font-size: 15px; margin: 0 0 22px; }
.nf-home { display: inline-block; padding: 9px 22px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; }
.nf-home:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 页脚 ---------- */
.site-foot {
    margin-top: 70px;
    padding: 26px 0 34px;
    border-top: 1px solid var(--line);
}
.foot-line { margin: 0; font-size: 13px; color: var(--ink-2); }
.foot-line + .foot-line { margin-top: 6px; font-size: 12.5px; }
.foot-line a { color: var(--ink-2); border-bottom: 1px solid var(--line); }
.foot-line a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- 返回顶部（素笺自备，隐藏插件自带的魔理沙） ---------- */
#BackToTop { display: none !important; }
.sj-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    font-size: 15px;
    line-height: 1;
    color: var(--ink-2);
    background: rgba(255, 255, 255, .88);
    border: 1px solid var(--line);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s, border-color .2s;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}
.sj-top.is-on { opacity: 1; visibility: visible; transform: none; }
.sj-top:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    body { font-size: 16px; }
    .shell { padding: 0 18px; }
    .site-head .shell { gap: 12px; padding-bottom: 14px; }
    .nav { column-gap: 15px; row-gap: 9px; font-size: 13px; width: 100%; margin-left: 0; }
    .intro { padding: 34px 0 6px; }
    .post { padding: 36px 0 0; }
    .cform-row { grid-template-columns: 1fr; gap: 10px; }
    .post-nav { flex-direction: column; gap: 8px; }
    .post-nav .pn-next { text-align: left; }
    .sj-top { right: 16px; bottom: 16px; width: 34px; height: 34px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* ---------- 归档页 ---------- */
.arch { padding: 18px 0 0; }
.arch-year {
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--ink-3);
    font-weight: 600;
    margin: 30px 0 6px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--line);
}
.arch-list { list-style: none; margin: 0; padding: 0; }
.arch-list li {
    display: flex;
    gap: 16px;
    align-items: baseline;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, .06);
}
.arch-list li:last-child { border-bottom: 0; }
.arch-list time {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-3);
    flex: 0 0 48px;
}
.arch-list a { color: var(--ink-2); font-size: 15px; }
.arch-list a:hover { color: var(--accent); }