:root {
  --primary: #f97316;
  --primary-light: #fb923c;
  --accent: #10b981;
  --accent-light: #34d399;
  --ink: #1f2937;
  --text: #374151;
  --muted: #6b7280;
  --surface: #ffffff;
  --bg: #fffaf5;
  --border: #f0e6db;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(249,115,22,0.18);
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand .logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: #fff; font-size: 1.2rem;
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--primary); }

/* ===== Hero ===== */
.hero { padding: 72px 0 56px; text-align: center; }
.hero .eyebrow { display: inline-block; padding: 5px 14px; border-radius: 999px; background: rgba(16,185,129,0.12); color: var(--accent); font-weight: 600; font-size: 0.85rem; margin-bottom: 18px; }
.hero h1 { font-size: 2.5rem; line-height: 1.25; color: var(--ink); margin-bottom: 16px; font-weight: 800; }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.btn { display: inline-block; padding: 12px 26px; border-radius: 999px; font-weight: 600; font-size: 0.98rem; transition: transform .15s, box-shadow .15s; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); color: #fff; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(249,115,22,0.08); color: var(--primary); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: #fff; box-shadow: 0 8px 24px -8px rgba(16,185,129,0.5); }
.btn-accent:hover { transform: translateY(-2px); color: #fff; }

/* ===== 区块 ===== */
.section { padding: 56px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-header { text-align: center; margin-bottom: 36px; }
.section-header .tag { color: var(--primary); font-weight: 700; letter-spacing: .08em; font-size: 0.8rem; }
.section-header h2 { font-size: 1.9rem; color: var(--ink); margin: 8px 0 10px; font-weight: 800; }
.section-header p { color: var(--muted); max-width: 560px; margin: 0 auto; }

/* ===== 测评卡片 ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: transform .18s, box-shadow .18s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .thumb { height: 160px; background: linear-gradient(135deg, #ffe8d6, #d1fae5); display: grid; place-items: center; font-size: 3rem; }
.card .body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.card .cat { font-size: 0.78rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.card h3 { font-size: 1.15rem; color: var(--ink); margin-bottom: 8px; line-height: 1.4; }
.card p { font-size: 0.92rem; color: var(--muted); margin-bottom: 14px; flex: 1; }
.card .read { font-weight: 600; color: var(--primary); }

/* ===== 变现说明 ===== */
.monetize { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 18px; }
.m-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 22px; }
.m-item .icon { font-size: 1.8rem; margin-bottom: 10px; }
.m-item h4 { color: var(--ink); margin-bottom: 8px; }
.m-item p { font-size: 0.9rem; color: var(--muted); }

/* ===== 文章页 ===== */
.post { max-width: 760px; margin: 0 auto; padding: 48px 20px 64px; }
.post .meta { color: var(--muted); font-size: 0.88rem; margin-bottom: 8px; }
.post h1 { font-size: 2.1rem; color: var(--ink); line-height: 1.3; margin-bottom: 18px; font-weight: 800; }
.post h2 { font-size: 1.5rem; color: var(--ink); margin: 34px 0 14px; }
.post h3 { font-size: 1.18rem; color: var(--ink); margin: 24px 0 10px; }
.post p { margin-bottom: 16px; }
.post ul, .post ol { margin: 0 0 16px 22px; }
.post li { margin-bottom: 8px; }
.callout { background: rgba(16,185,129,0.08); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 22px 0; font-size: 0.95rem; }
.callout.demo-note { background: rgba(245,158,11,0.10); border-left-color: #f59e0b; color: #92400e; font-size: 0.9rem; }
.buy-btn { display: inline-block; margin: 14px 0 8px; }

/* ===== 评测打分表 ===== */
.score-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 0.92rem; }
.score-table th, .score-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.score-table th { background: #fff3ea; color: var(--ink); }
.score-table td.num { font-weight: 700; color: var(--primary); text-align: center; }

/* ===== 页脚 ===== */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 40px 0 28px; margin-top: 40px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; margin-bottom: 12px; font-size: 1rem; }
.site-footer a { color: #cbd5e1; display: block; margin-bottom: 8px; font-size: 0.9rem; }
.site-footer a:hover { color: #fff; }
.site-footer .bottom { border-top: 1px solid #374151; margin-top: 28px; padding-top: 18px; font-size: 0.82rem; color: #94a3b8; text-align: center; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .nav-links { gap: 14px; }
  .site-footer .cols { grid-template-columns: 1fr; }
}