/* 个人生活随笔主题：浅色纸张、低调入口、零外部依赖 */
:root {
    --paper: #f7f5ef;
    --panel: #fffdf8;
    --ink: #2f2f2b;
    --muted: #7c766c;
    --line: #e1dbcf;
    --accent: #687a55;
    --accent-soft: #eef1e8;
    --danger: #a94f4f;
    --radius: 10px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    padding: 26px 24px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 1px solid var(--line);
}
.logo { font-size: 22px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.logo:hover { text-decoration: none; }
.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--ink); }

.page {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    padding: 52px 24px 76px;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(270px, .55fr);
    gap: 64px;
    align-items: start;
    flex: 1;
}
.page.single {
    grid-template-columns: minmax(0, 460px);
    justify-content: center;
    align-content: start;
    padding-top: 7vh;
}

.intro h1 { margin: 0 0 10px; font-size: 32px; line-height: 1.3; font-weight: 600; letter-spacing: .01em; }
.lede { margin: 0; color: var(--muted); font-size: 15px; }
.post-list { margin-top: 38px; display: grid; gap: 26px; }
.post-item { padding-bottom: 22px; border-bottom: 1px dashed var(--line); }
.post-item:last-child { border-bottom: 0; }
.post-item h2 { margin: 0 0 6px; font-size: 19px; font-weight: 600; line-height: 1.45; }
.post-item h2 a { color: var(--ink); }
.post-meta { margin: 0 0 8px; color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.post-item p { margin: 0; color: #555049; font-size: 14px; }
a.quiet-entry,
a.quiet-entry:hover,
a.quiet-entry:focus { color: inherit; text-decoration: none; }

.article-body { max-width: 720px; }
.article-body h1 { margin: 0 0 8px; font-size: 32px; line-height: 1.3; font-weight: 600; }
.article-body .post-meta { margin-bottom: 28px; }
.article-body h2 { margin: 30px 0 10px; font-size: 19px; font-weight: 600; }
.article-body p { margin: 0 0 16px; color: #555049; font-size: 15px; line-height: 1.85; }
.article-body ul { margin: 0 0 18px; padding-left: 22px; color: #555049; font-size: 15px; line-height: 1.85; }
.article-body li { margin-bottom: 7px; }
.article-body code { padding: 2px 5px; border-radius: 4px; background: #f2efe7; color: #6b5c3f; font-family: var(--mono); font-size: 13px; }
.article-back { display: inline-block; margin-top: 28px; color: var(--muted); font-size: 13px; border-bottom: 1px dotted #c8c0b2; }
.article-back:hover { color: var(--ink); text-decoration: none; }

.side-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 0 rgba(70, 60, 40, .03);
}
.side-card h2 { margin: 0 0 16px; font-size: 15px; font-weight: 600; }
.author { display: flex; align-items: center; gap: 12px; }
.avatar {
    width: 42px; height: 42px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--accent-soft); color: var(--accent);
    font-weight: 600; font-size: 16px; flex: none;
}
.author b { display: block; font-size: 14px; font-weight: 600; }
.author span { display: block; color: var(--muted); font-size: 12px; }
.side-card p { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
.entry-link { display: inline-block; margin-top: 18px; color: var(--muted); font-size: 12px; border-bottom: 1px dotted #c8c0b2; }
.entry-link:hover { color: var(--ink); text-decoration: none; }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 34px rgba(80, 68, 48, .06);
}
.card.wide { max-width: 560px; margin: 0 auto; }
.card h2 { margin: 0 0 22px; font-size: 20px; font-weight: 600; }
.field { display: block; margin-top: 18px; }
.field span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.field em { font-style: normal; color: #a49d91; font-size: 11px; margin-left: 6px; }
.field input {
    width: 100%; padding: 11px 12px;
    border: 1px solid var(--line); border-radius: 8px;
    background: #fff; color: var(--ink);
    font: inherit; font-size: 15px; outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(104, 122, 85, .12); }
.field input.code { letter-spacing: .18em; font-family: var(--mono); }

button {
    width: 100%; margin-top: 24px; padding: 12px 14px;
    border: 0; border-radius: 8px;
    background: var(--ink); color: #fffdf8;
    font: inherit; font-size: 15px; cursor: pointer;
}
button:hover { background: #45453f; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.ghost:hover { background: #f2efe7; }
button + .note { margin-top: 16px; }

.alert {
    margin-bottom: 18px; padding: 10px 12px;
    background: #fbeeee; border: 1px solid #e3c3c3;
    color: var(--danger); border-radius: 8px; font-size: 13px;
}
.note { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 18px 0 0; }
.note a { color: var(--muted); border-bottom: 1px dotted #c8c0b2; }
.note a:hover { color: var(--ink); text-decoration: none; }

.kv { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px 16px; margin: 24px 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.mono { font-family: var(--mono); font-size: 13px; }

.foot {
    width: 100%; max-width: 1040px; margin: 0 auto;
    padding: 22px 24px 34px; border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; gap: 16px;
    color: var(--muted); font-size: 12px;
}

@media (max-width: 800px) {
    .site-header { align-items: center; }
    .nav { gap: 14px; }
    .page { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
    .page.single { padding-top: 36px; }
    .intro h1 { font-size: 27px; }
    .card { padding: 24px; }
    .foot { flex-direction: column; gap: 6px; }
}