/* 资讯页样式:和 SPA(src/style.css 的 @theme)同一套墨绿黑 + 通过绿配色。改色时两处一起改。 */
:root {
  --ink: #0d1b17;
  --ink-soft: #4a5b55;
  --paper: #f4f7f5;
  --line: #d6dfda;
  --yes: #27d98a;
  --yes-deep: #0b7a4b;
  --yes-soft: #ddf7ea;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
main { flex: 1; }
:focus-visible { outline: 2px solid var(--yes-deep); outline-offset: 2px; }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(244,247,245,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 1rem; min-height: 4rem; flex-wrap: wrap; padding-top: .25rem; padding-bottom: .25rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.brand img { width: 2rem; height: 2rem; }
.nav { display: flex; flex: 1; gap: .25rem; flex-wrap: wrap; padding-left: 1rem; }
.nav a { text-decoration: none; padding: .45rem .8rem; border-radius: .5rem; font-weight: 500; font-size: .95rem; color: var(--ink-soft); }
.nav a:hover { color: var(--ink); }
.nav a.active { background: var(--ink); color: #fff; }
.login-btn { text-decoration: none; background: var(--ink); color: #fff; font-weight: 700; font-size: .85rem; padding: .45rem .9rem; border-radius: .5rem; }
@media (max-width: 767px) {
  .nav { order: 3; flex-basis: 100%; padding-left: 0; padding-bottom: .5rem; }
  .login-btn { margin-left: auto; }
}

/* 通用 */
.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; font-weight: 700; padding: .7rem 1.35rem; border: 1px solid transparent; border-radius: .6rem; background: var(--yes); color: var(--ink); transition: background-color .15s; }
.btn:hover { background: #3be69b; }
.btn.white { background: transparent; border-color: var(--line); }
.btn.white:hover { border-color: var(--ink); background: transparent; }
.card { background: #fff; border: 1px solid var(--line); border-radius: .75rem; overflow: hidden; }

/* 列表页 */
.page-head { padding: 3rem 0 1.5rem; }
.page-head h1 { margin: 0; font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
.page-head p { margin: .5rem 0 0; color: var(--ink-soft); }
.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; padding-bottom: 2rem; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.post-card { display: flex; flex-direction: column; text-decoration: none; transition: border-color .15s; }
.post-card:hover { border-color: var(--ink); }
.post-card .cover { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; display: block; border-bottom: 1px solid var(--line); background: var(--paper); }
.post-card .body { padding: 1rem 1.25rem 1.25rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.post-card h2 { margin: 0; font-size: 1.1rem; font-weight: 700; line-height: 1.45; }
.post-card .desc { margin: 0; color: var(--ink-soft); font-size: .92rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card time { margin-top: auto; font-size: .8rem; color: var(--ink-soft); }
.pager { display: flex; justify-content: center; align-items: center; gap: .75rem; padding: 1rem 0 3.5rem; flex-wrap: wrap; }
.pager .btn { padding: .5rem 1.1rem; }
.pager .current { font-weight: 700; padding: 0 .5rem; }
.empty { padding: 4rem 0; text-align: center; color: var(--ink-soft); }

/* 文章页 */
.article { max-width: 46rem; margin: 0 auto; padding: 2rem 1rem 1rem; }
.crumb { font-size: .875rem; color: var(--ink-soft); text-decoration: none; }
.crumb:hover { color: var(--ink); }
.article h1 { margin: .75rem 0 .5rem; font-size: clamp(1.7rem, 4.5vw, 2.4rem); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; }
.meta { font-size: .85rem; color: var(--ink-soft); }
.hero-cover { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin: 1.5rem 0; border: 1px solid var(--line); border-radius: .75rem; }
.prose { font-size: 1.05rem; line-height: 1.9; overflow-wrap: anywhere; }
.prose h2 { font-size: 1.45rem; font-weight: 800; margin: 2.2rem 0 .8rem; padding-left: .75rem; border-left: 3px solid var(--yes); line-height: 1.4; }
.prose h3 { font-size: 1.2rem; font-weight: 700; margin: 1.8rem 0 .6rem; }
.prose h4, .prose h5, .prose h6 { font-weight: 700; margin: 1.4rem 0 .5rem; }
.prose p { margin: 1rem 0; }
.prose a { font-weight: 600; color: var(--yes-deep); text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.5rem; margin: 1rem 0; }
.prose li { margin: .35rem 0; }
.prose blockquote { margin: 1.25rem 0; padding: .5rem 1rem; border-left: 3px solid var(--ink); background: #fff; border-radius: 0 .5rem .5rem 0; color: var(--ink-soft); }
.prose img { display: block; margin: 1.5rem auto; border: 1px solid var(--line); border-radius: .5rem; }
.prose code { background: rgba(13,27,23,.07); padding: .1rem .35rem; border-radius: .3rem; font-size: .92em; }
.prose pre { background: var(--ink); color: #fff; padding: 1rem; border-radius: .6rem; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; margin: 1.25rem 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: .5rem .75rem; text-align: left; }
.prose th { background: #e8eeea; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
.cta { margin: 3rem 0 4rem; padding: 2rem 1.5rem; background: var(--ink); color: #fff; border-radius: .75rem; }
.cta h2 { margin: 0; font-size: 1.4rem; font-weight: 800; }
.cta p { margin: .5rem 0 1.25rem; color: rgba(255,255,255,.7); }

/* footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.75); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; padding-top: 2.5rem; padding-bottom: 2.5rem; }
.site-footer .brand { color: #fff; }
.f-links { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin: 1rem 0; font-size: .875rem; }
.f-links a { text-decoration: none; }
.f-links a:hover, .f-copy a:hover { color: var(--yes); }
.f-copy { font-size: .75rem; color: rgba(255,255,255,.5); }
.f-copy p { margin: .25rem 0; }
.f-qr { display: flex; align-items: center; gap: 1rem; align-self: flex-end; }
.f-qr img { width: 6rem; height: 6rem; border-radius: .5rem; background: #fff; padding: .375rem; }
.f-qr b { display: block; color: #fff; font-size: .875rem; }
.f-qr span { font-size: .75rem; color: rgba(255,255,255,.5); }