:root {
  --bg: #0b0f14;
  --bg2: #10161d;
  --card: #131a22;
  --border: #1f2a36;
  --text: #e5edf5;
  --muted: #8a97a6;
  --accent: #34d399;
  --accent-dark: #0e7a5a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部导航 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.brand:hover { text-decoration: none; }

.brand-logo {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #06231a;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
}

.nav-links {
  margin-left: auto;
  display: flex;
  gap: 22px;
  font-size: 15px;
}

.nav-links a { color: var(--muted); }
.nav-links a.active, .nav-links a:hover { color: var(--accent); text-decoration: none; }

/* 按钮 */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary {
  background: var(--accent);
  color: #06231a;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(52, 211, 153, .25);
  text-decoration: none;
}
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--card);
}
.btn-ghost:hover { border-color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  padding: 90px 0 60px;
  text-align: center;
}
.hero h1 {
  font-size: 46px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 16px;
}
.hero .sub {
  font-size: 20px;
  color: var(--muted);
  margin-bottom: 14px;
}
.hero .tagline {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.section { padding: 56px 0; }
.section-title { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.section-desc { color: var(--muted); margin-bottom: 32px; }

/* 特性卡片 */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 22px;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card .icon { font-size: 30px; margin-bottom: 14px; }
.card .name { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.card .desc { font-size: 14px; color: var(--muted); }

/* 规划角标 */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  margin-bottom: 12px;
}
.tag.amber { border-color: #f59e0b; color: #f59e0b; }

/* 截图占位 */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.shot {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--bg2), var(--card));
  border: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 14px;
}

/* 内容页 */
.page { padding: 56px 0 80px; }
.page h1 { font-size: 32px; margin-bottom: 24px; }
.page h2 { font-size: 22px; margin: 32px 0 12px; }
.page p { margin-bottom: 12px; color: var(--muted); }
.page p strong { color: var(--text); }
.page ul { margin: 0 0 12px 22px; color: var(--muted); }
.page li { margin-bottom: 6px; }

.prose {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}

/* 版本 / 下载列表 */
.ver-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 24px; margin-bottom: 14px;
}
.ver .v { font-size: 22px; font-weight: 700; }
.ver .date { color: var(--muted); font-size: 14px; }
.download-cta { text-align: center; }

/* 页脚 */
.footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  margin-top: 40px;
}
.footer .f-top { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.footer .f-links { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; }
.footer .f-links a { color: var(--muted); }
.footer .copy { color: var(--muted); font-size: 13px; }
.footer .beian { color: var(--muted); font-size: 13px; margin-top: 8px; }

@media (max-width: 768px) {
  .grid, .shots { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav { gap: 12px; }
  .nav-links { gap: 12px; font-size: 14px; }
}