/* MollyPaw Online — 品牌 token 严格来自 BRAND.md */
:root {
  --brown-900: #3A2A1A;
  --brown-700: #6B4226;
  --brown-600: #8B5E3C;
  --brown-500: #A67B5B;
  --brown-300: #D2B48C;
  --brown-100: #F5EDE3;
  --cream: #FFF8F0;
  --white: #FFFFFF;
  --orange: #D4823A;
  --ok: #4F8A5B;
  --bad: #A94442;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(107, 66, 38, .08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--brown-700);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }

a { color: var(--brown-600); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 248, 240, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--brown-100);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 17px; text-decoration: none; color: var(--brown-700);
}
.brand em { font-style: normal; color: var(--orange); }
.brand-paw { font-size: 20px; }
.nav-links { display: flex; gap: 22px; }
.nav-links a {
  text-decoration: none; font-size: 15px; color: var(--brown-600);
  padding: 4px 0; border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--brown-700); border-bottom-color: var(--brown-300); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(170deg, var(--cream) 0%, var(--brown-100) 100%);
  padding: 64px 0 70px;
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center;
}
.eyebrow {
  margin: 0 0 10px; font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brown-500); font-weight: 600;
}
.hero h1 {
  margin: 0 0 18px; font-size: clamp(34px, 5vw, 52px);
  line-height: 1.22; letter-spacing: -.01em;
}
.hl { color: var(--orange); }
.lede { font-size: 17px; margin: 0 0 12px; }
.lede.strong { font-weight: 600; color: var(--brown-700); }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 30px; }

.btn {
  display: inline-block; padding: 11px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease;
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 3px 12px rgba(212,130,58,.28); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 5px 16px rgba(212,130,58,.36); }
.btn-ghost { border-color: var(--brown-300); color: var(--brown-700); background: var(--white); }
.btn-ghost:hover { background: var(--brown-100); }

.facts { list-style: none; padding: 0; margin: 0; display: flex; gap: 34px; flex-wrap: wrap; }
.facts li { display: flex; flex-direction: column; }
.facts b { font-size: 17px; color: var(--brown-700); }
.facts span { font-size: 13px; color: var(--brown-500); }

/* ---------- Hero 卡片 ---------- */
.hero-card {
  background: var(--white); border: 1px solid var(--brown-100);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px;
}
.card-head {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--brown-500); margin-bottom: 12px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--brown-300); }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }
.tag {
  margin-left: auto; font-size: 12px; padding: 2px 9px; border-radius: 999px;
  background: var(--brown-100); color: var(--brown-600);
}
.tag.ok { background: #E4F0E6; color: var(--ok); }
.tag.bad { background: #F7E5E5; color: var(--bad); }
.code {
  background: var(--brown-900); color: #F0E6DA; border-radius: 9px;
  padding: 13px; font-size: 12.5px; overflow-x: auto; margin: 0;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  white-space: pre-wrap; word-break: break-all;
}
.card-foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px; font-size: 13px;
}
.link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--orange); font-size: 13px; text-decoration: underline;
  font-family: inherit;
}
.muted { color: var(--brown-500); }

/* ---------- 通用 section ---------- */
.section { padding: 62px 0; }
.section.alt { background: var(--brown-100); }
.section h2 {
  font-size: clamp(24px, 3.4vw, 33px); margin: 0 0 14px; line-height: 1.3;
}
.section h2 em { font-style: normal; color: var(--orange); }
.section-lede { font-size: 16px; max-width: 680px; margin: 0 0 30px; color: var(--brown-600); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--white); border: 1px solid var(--brown-100);
  border-radius: var(--radius); padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; font-size: 14.5px; color: var(--brown-600); }

/* ---------- 步骤 ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.steps li {
  background: var(--white); border: 1px solid var(--brown-100);
  border-radius: var(--radius); padding: 20px 20px 20px 68px; position: relative;
}
.num {
  position: absolute; left: 20px; top: 20px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--orange); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.steps h3 { margin: 0 0 6px; font-size: 16px; }
.steps p { margin: 0; font-size: 14.5px; color: var(--brown-600); }
.warn { margin-top: 6px !important; color: var(--bad) !important; font-size: 13.5px !important; }

/* ---------- 安全 ---------- */
.safe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 24px; }
.ticks, .crosses { list-style: none; padding: 0; margin: 10px 0 0; font-size: 14.5px; }
.ticks li, .crosses li { padding-left: 22px; position: relative; margin-bottom: 6px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.crosses li::before { content: "✕"; position: absolute; left: 0; color: var(--bad); font-weight: 700; }
.card.danger { border-color: #EFD9D9; background: #FFFBFB; }

/* ---------- 下载 ---------- */
.dl-box {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px;
}
.dl-main, .dl-side {
  background: var(--white); border: 1px solid var(--brown-100);
  border-radius: var(--radius); padding: 24px;
}
.dl-main h3, .dl-side h3 { margin: 0 0 8px; font-size: 17px; }
.dl-main p, .dl-side p { font-size: 14.5px; color: var(--brown-600); margin: 0 0 16px; }
.dl-side { background: var(--cream); }

/* ---------- FAQ ---------- */
details {
  background: var(--white); border: 1px solid var(--brown-100);
  border-radius: 10px; padding: 14px 18px; margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 600; font-size: 15.5px; }
details p { margin: 10px 0 0; font-size: 14.5px; color: var(--brown-600); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(150deg, var(--brown-600), var(--brown-700));
  color: var(--cream); padding: 60px 0; text-align: center;
}
.cta-band h2 { margin: 0 0 8px; font-size: clamp(24px, 3.4vw, 32px); color: #fff; }
.cta-band p { margin: 0 0 24px; color: rgba(255,248,240,.85); }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--brown-100); padding: 34px 0; background: var(--cream); }
.foot-inner { display: flex; flex-direction: column; gap: 12px; }
.foot-inner > div { display: flex; align-items: center; gap: 8px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-links a { text-decoration: none; font-size: 14px; }
.foot p { margin: 0; font-size: 13px; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .dl-box, .safe-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 42px 0 50px; }
  .section { padding: 46px 0; }
  .grid { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; font-size: 14px; }
  .nav-links a:nth-child(4) { display: none; }
  .facts { gap: 20px; }
}