/* 念念 — 公开阅读站 */
.site-body { background: var(--bg); min-height: 100vh; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 64px;
  background: color-mix(in oklch, var(--bg) 82%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { padding: 7px 14px; border-radius: var(--radius-sm); font-size: 14px; color: var(--text-2); font-weight: 500; transition: all .14s; }
.site-nav a:hover { background: var(--surface-2); color: var(--text); }
.site-nav a.active { color: var(--accent-deep); background: var(--accent-soft); }
.site-nav .site-login { color: var(--text-faint); font-weight: 400; }
.site-nav .site-login:hover { color: var(--accent-deep); }

.site-main { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.site-wide { max-width: 940px; }

/* hero */
.site-hero { padding: 88px 0 56px; text-align: center; }
.site-hero .seal { width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 22px; background: linear-gradient(150deg, var(--accent), var(--accent-strong)); color: #fff; display: grid; place-items: center; font-family: var(--font-serif); font-weight: 600; font-size: 34px; position: relative; box-shadow: 0 8px 26px var(--accent-ring); }
.site-hero .seal::after { content: ''; position: absolute; right: 9px; bottom: 9px; width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.85); }
.site-hero h1 { font-family: var(--font-serif); font-size: 40px; font-weight: 600; margin: 0 0 14px; letter-spacing: .04em; }
.site-hero p { font-size: 17px; color: var(--text-2); margin: 0 auto; max-width: 30ch; line-height: 1.8; }

.site-sec-label { display: flex; align-items: center; gap: 12px; margin: 12px 0 26px; }
.site-sec-label span { font-size: 13px; font-weight: 600; letter-spacing: .14em; color: var(--text-faint); text-transform: uppercase; }
.site-sec-label .line { flex: 1; height: 1px; background: var(--border); }

/* article list */
.site-list { display: flex; flex-direction: column; padding-bottom: 80px; }
.site-art { display: block; padding: 28px 0; border-top: 1px solid var(--border); transition: opacity .15s; cursor: pointer; }
.site-art:hover h2 { color: var(--accent-deep); }
.site-art .meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-faint); margin-bottom: 10px; }
.site-art h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 600; margin: 0 0 10px; line-height: 1.35; transition: color .14s; }
.site-art p { font-size: 15px; color: var(--text-3); margin: 0; line-height: 1.75; }
.site-art .tags { display: flex; gap: 7px; margin-top: 13px; }

/* article detail */
.site-article { padding: 56px 0 90px; }
.site-article .back { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-3); margin-bottom: 30px; }
.site-article .back:hover { color: var(--accent-deep); }
.site-article .a-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-faint); margin-bottom: 16px; }
.site-article h1 { font-family: var(--font-serif); font-size: 36px; font-weight: 600; line-height: 1.3; margin: 0 0 18px; letter-spacing: .01em; }
.site-article .a-tags { display: flex; gap: 8px; margin-bottom: 30px; }
.site-cover { height: 300px; border-radius: var(--radius-lg); margin-bottom: 40px; background: color-mix(in oklch, var(--cv) 16%, var(--surface-2)); position: relative; overflow: hidden; display: grid; place-items: center; }
.site-cover::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent 0 14px, color-mix(in oklch, var(--cv) 8%, transparent) 14px 28px); }
.site-cover span { z-index: 1; font-size: 12px; letter-spacing: .3em; color: color-mix(in oklch, var(--cv) 70%, var(--text)); font-weight: 600; }
.site-prose p { font-family: var(--font-serif); font-size: 18px; line-height: 2; color: var(--text); margin: 0 0 1.5em; text-wrap: pretty; }
.site-prose h2 { font-family: var(--font-serif); font-size: 23px; font-weight: 600; margin: 1.8em 0 .7em; }
.site-end { text-align: center; color: var(--text-faint); font-family: var(--font-serif); letter-spacing: .4em; margin: 50px 0; }
.site-pn { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--border); padding-top: 28px; }
.site-pn a { flex: 1; padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius); transition: all .14s; }
.site-pn a:hover { border-color: var(--accent); background: var(--accent-soft); }
.site-pn .dir { font-size: 12px; color: var(--text-faint); margin-bottom: 5px; }
.site-pn .t { font-size: 14.5px; font-weight: 500; font-family: var(--font-serif); }
.site-pn .next { text-align: right; }

.site-footer { border-top: 1px solid var(--border); padding: 40px 24px; text-align: center; color: var(--text-faint); font-size: 13px; }
.site-footer a { color: var(--text-3); }
.site-footer a:hover { color: var(--accent-deep); }

.site-chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 30px; }
@media (max-width: 760px) { .site-hero h1 { font-size: 32px; } .site-article h1 { font-size: 28px; } }