/* QuoteCove 官网(docs/08-website.md):零 JS、零 Cookie、移动优先 */
:root {
  --cove: #15507B;
  --cove-deep: #0F3D5E;
  --navy: #0B2E4A;
  --navy-darker: #0A2840;
  --amber: #F5A623;
  --green: #2E9E5B;
  --bg: #F5F6F8;
  --card: #FFFFFF;
  --ink: #14202B;
  --ink-2: #5A6B7A;
  --ink-3: #8A98A5;
  --line: #E5E9EE;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

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

.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ——— Nav ——— */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: #fff;
  text-decoration: none;
}
.nav .brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav .links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  margin-left: 22px;
}
.nav .links a:hover { color: #fff; }
.nav.on-light .brand, .nav.on-light .links a { color: var(--ink); }
.nav.on-light .links a:hover { color: var(--cove); }

/* ——— Hero ——— */
.hero {
  background: linear-gradient(180deg, var(--navy-darker), var(--navy));
  color: #fff;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 0;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.5px;
}
.hero h1 .accent { color: var(--amber); }
.hero .sub {
  margin-top: 18px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 46ch;
}
.hero .cta-row { margin-top: 28px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.badge-soon {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 12px;
}
.hero .phone {
  justify-self: center;
  width: min(320px, 78vw);
  display: block;
  border-radius: 38px;
  border: 6px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
@media (min-width: 768px) {
  .hero-inner { grid-template-columns: 1.15fr 0.85fr; padding: 64px 0 0; }
  .hero .phone { margin-bottom: -60px; }
}

/* ——— Sections ——— */
section { padding: 64px 0; }
.section-title {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.4px;
  text-align: center;
}
.section-sub {
  text-align: center;
  color: var(--ink-2);
  margin-top: 10px;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

.cards-3 {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 1px 2px rgba(11, 46, 74, 0.04);
}
.card .emoji { font-size: 30px; }
.card h3 { margin-top: 12px; font-size: 19px; font-weight: 800; }
.card p { margin-top: 8px; color: var(--ink-2); font-size: 15.5px; }

/* ——— Pricing ——— */
.pricing { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.price-cards {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  grid-template-columns: 1fr;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 640px) { .price-cards { grid-template-columns: 1fr 1fr; } }
.price-card {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  background: var(--card);
}
.price-card.featured { border: 2px solid var(--cove); background: #F6FAFD; }
.price-card .tag {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--amber);
  color: #3D2A00;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 5px 10px;
  border-radius: 7px;
}
.price-card h3 { font-size: 17px; font-weight: 800; color: var(--cove); }
.price-card .price { font-size: 34px; font-weight: 800; margin-top: 6px; font-variant-numeric: tabular-nums; }
.price-card .price span { font-size: 16px; font-weight: 600; color: var(--ink-2); }
.price-card ul { list-style: none; margin-top: 16px; }
.price-card li { padding: 5px 0 5px 26px; position: relative; color: var(--ink-2); font-size: 15px; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--cove); font-weight: 800; }

/* ——— FAQ ——— */
.faq { max-width: 720px; margin: 36px auto 0; }
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 10px;
}
.faq summary { font-weight: 700; cursor: pointer; font-size: 16px; }
.faq p { margin-top: 10px; color: var(--ink-2); font-size: 15px; }

/* ——— Footer ——— */
footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 36px 0;
  font-size: 14px;
}
footer .container { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
footer a { color: rgba(255, 255, 255, 0.9); text-decoration: none; margin-right: 18px; }
footer a:hover { text-decoration: underline; }

/* ——— 内页(privacy / support)——— */
.page-header { background: linear-gradient(180deg, var(--navy-darker), var(--navy)); color: #fff; padding-bottom: 42px; }
.page-header h1 { font-size: clamp(28px, 5vw, 40px); font-weight: 800; padding-top: 28px; }
.page-header .meta { color: rgba(255, 255, 255, 0.65); margin-top: 8px; font-size: 14.5px; }
.prose { max-width: 760px; margin: 0 auto; padding: 48px 24px 72px; }
.prose h2 { font-size: 21px; font-weight: 800; margin: 34px 0 10px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink-2); font-size: 16px; }
.prose ul { padding-left: 22px; margin-top: 8px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); }
.prose a { color: var(--cove); }
.callout {
  background: #F6FAFD;
  border: 1.5px solid var(--cove);
  border-radius: 12px;
  padding: 18px 22px;
  margin: 20px 0;
}
.callout p { color: var(--ink); }