:root {
  --bg: #0f172a;
  --bg-soft: #16213a;
  --card: #ffffff;
  --ink: #111827;
  --ink-soft: #4b5563;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 320px, #f5f7fb 320px, #f5f7fb 100%);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

.wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部 */
.site-head {
  padding: 34px 0 40px;
  color: #e5edff;
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #fff;
  text-decoration: none;
}

.brand .dot {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #22d3ee);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #04122b;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  color: #c7d7f5;
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* 主体 */
main {
  flex: 1 0 auto;
}

.hero {
  background: var(--card);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: 0 18px 40px -24px rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.35;
}

.hero p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.section-title {
  margin: 36px 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: #33415c;
  letter-spacing: 0.5px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: #c7d2fe;
  box-shadow: 0 16px 32px -22px rgba(37, 99, 235, 0.55);
}

.card .tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 12px;
}

.card .tag.pending {
  background: #f3f4f6;
  color: #6b7280;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 17px;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.card .go {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: 12px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #7c5e10;
  font-size: 14px;
}

/* 内页 */
.page {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 18px 40px -24px rgba(15, 23, 42, 0.55);
}

.page h1 {
  margin: 0 0 6px;
  font-size: 23px;
}

.page .lead {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 15px;
}

.page ul {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 14.5px;
}

.page li { margin-bottom: 6px; }

.back {
  display: inline-block;
  margin-top: 24px;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
}

.back:hover { text-decoration: underline; }

/* 页脚：备案号必须全站可见 */
.site-foot {
  flex-shrink: 0;
  margin-top: 48px;
  padding: 26px 0 34px;
  color: #8fa3c8;
  font-size: 13px;
  text-align: center;
}

.site-foot .beian {
  margin-top: 6px;
}

.site-foot a {
  color: #a9c0e8;
  text-decoration: none;
  margin: 0 6px;
}

.site-foot a:hover {
  color: #fff;
  text-decoration: underline;
}

.site-foot .sep {
  color: #4a5a78;
  margin: 0 2px;
}

@media (max-width: 640px) {
  .hero, .page { padding: 24px 20px; }
  body { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 260px, #f5f7fb 260px, #f5f7fb 100%); }
  .hero h1 { font-size: 22px; }
  .page h1 { font-size: 20px; }
}