/*
 * pocketdown.com —— 静态站样式。
 *
 * 设计变量**刻意和扩展保持一致**（apps/extension/assets/theme.css）：网站和产品
 * 是同一个东西，用户从落地页点进扩展不该有割裂感。改配色要两边一起改。
 */
:root {
  color-scheme: light dark;
  --accent: #5661f0;
  --accent-hover: #4650e8;
  --accent-soft: rgba(86, 97, 240, 0.12);
  --on-accent: #ffffff;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e4e7ec;
  --text: #1c2430;
  --muted: #667085;
  --success: #12805c;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.08);
  --font: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', Consolas, monospace;
  --maxw: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #7b83ff;
    --accent-hover: #8f96ff;
    --accent-soft: rgba(123, 131, 255, 0.16);
    --bg: #131417;
    --surface: #1c1e24;
    --border: #2c2f38;
    --text: #e7e9ee;
    --muted: #98a1b3;
    --success: #47cd89;
    --shadow: none;
    --shadow-lg: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

a { color: var(--accent); }

/* ---- 导航 ---------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; gap: 20px;
  height: 60px; max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.brand span { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 18px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
/* ⚠️ 上面那条 `.nav-links a` 的特异性高于 `.btn-primary`，不重新声明的话导航里的
   按钮会变成「灰字 + 实心紫底」，几乎看不见。改导航样式时别把这两条删了。 */
.nav-links a.btn { color: var(--text); font-size: 14px; padding: 8px 15px; }
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover { color: var(--on-accent); }

/* ---- 按钮 ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  font: inherit; font-size: 14.5px; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-primary {
  background: var(--accent); border-color: var(--accent); color: var(--on-accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
.btn-lg { padding: 13px 26px; font-size: 15.5px; }

/* ---- 区块 ---------------------------------------------------------------- */
section { padding: 76px 0; }
section.tight { padding: 52px 0; }

h1 {
  font-size: clamp(34px, 5.2vw, 52px);
  line-height: 1.12; letter-spacing: -0.025em; margin: 0 0 18px;
}
h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 14px;
}
h3 { font-size: 17px; margin: 0 0 7px; letter-spacing: -0.01em; }
.lead { font-size: 18.5px; color: var(--muted); margin: 0 0 28px; }

.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 5px 11px; border-radius: 999px; margin-bottom: 18px;
}

.hero { text-align: center; padding: 88px 0 68px; }
.hero .lead { max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13.5px; color: var(--muted); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px;
}

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.feat-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 13px;
}
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---- 隐私对照表 ---------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.split .card { border-left: 3px solid var(--border); }
.split .card.local { border-left-color: var(--success); }
.split .card.metered { border-left-color: var(--accent); }
.split h3 { display: flex; align-items: center; gap: 8px; }
.tag {
  font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}
.tag.ok { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }

/* ---- 定价 ---------------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-items: start; }
.plan { padding: 28px; }
.plan.featured { border-color: var(--accent); box-shadow: var(--shadow-lg); }
.plan-name { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.price { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.price small { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.price-alt { font-size: 13.5px; color: var(--muted); margin-top: 4px; }
.plan ul { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 9px; }
.plan li { font-size: 14.5px; padding-left: 25px; position: relative; }
.plan li::before {
  content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700;
}
.plan li.no::before { content: '—'; color: var(--muted); }
.plan .btn { width: 100%; }

/* ---- FAQ / 法律文档 ------------------------------------------------------- */
details.faq {
  border-bottom: 1px solid var(--border); padding: 16px 2px;
}
details.faq summary {
  cursor: pointer; font-weight: 600; font-size: 15.5px; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 20px; }
details.faq[open] summary::after { content: '−'; }
details.faq p { color: var(--muted); font-size: 14.5px; margin: 11px 0 2px; }

.doc h2 { margin-top: 38px; font-size: 22px; }
.doc h3 { margin-top: 24px; font-size: 16px; }
.doc p, .doc li { color: var(--text); font-size: 15.5px; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 7px; }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc th { font-weight: 600; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.doc code { font-family: var(--mono); font-size: 13px; background: var(--accent-soft); padding: 1.5px 5px; border-radius: 4px; }
.updated { color: var(--muted); font-size: 14px; margin-top: -6px; }
.callout {
  background: var(--accent-soft); border-radius: var(--radius-sm);
  padding: 15px 18px; margin: 20px 0;
}
.callout p { margin: 0; font-size: 14.5px; }

/* ---- 页脚 ---------------------------------------------------------------- */
footer {
  border-top: 1px solid var(--border); padding: 32px 0; margin-top: 20px;
  color: var(--muted); font-size: 13.5px;
}
.foot-inner { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.foot-inner nav { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ---- 状态页（thanks / auth callback）-------------------------------------- */
.status { text-align: center; padding: 96px 0; }
.status-mark {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 22px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success);
}
.status-mark.wait { background: var(--accent-soft); color: var(--accent); }
.steps { text-align: left; max-width: 430px; margin: 26px auto 0; display: grid; gap: 11px; }
.step { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; }
.step b {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; display: flex; align-items: center; justify-content: center;
}

@media (max-width: 860px) {
  .grid-3, .grid-2, .split, .plans { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding: 60px 0 48px; }
  .nav-links { gap: 14px; }
  .nav-links .hide-sm { display: none; }
}