:root {
  --ink: #1c1a17;
  --paper: #fffaf1;
  --accent: #e4572e;
  --accent-soft: #ffd9a8;
  --muted: #6f6a61;
  --card: #ffffff;
  --line: #eadfce;
}

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

body {
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.logo { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; text-decoration: none; color: var(--ink); }
.logo span { color: var(--accent); }
nav a {
  margin-left: 26px; text-decoration: none; color: var(--muted);
  font-size: 15px; font-weight: 600;
}
nav a:hover, nav a.active { color: var(--accent); }

.hero { padding: 84px 0 56px; text-align: center; }
.hero .tag {
  display: inline-block; background: var(--accent-soft); color: #8a4b00;
  font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 999px;
  margin-bottom: 22px; letter-spacing: 0.4px;
}
.hero h1 { font-size: 46px; line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 auto 32px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  font-weight: 700; padding: 13px 30px; border-radius: 10px; font-size: 16px;
}
.btn:hover { opacity: 0.9; }

section { padding: 48px 0; }
h2 { font-size: 28px; letter-spacing: -0.5px; margin-bottom: 14px; }
.lead { color: var(--muted); font-size: 17px; max-width: 640px; }

.steps, .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.step, .card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px;
}
.step .num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff;
  font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.step h3, .card h3 { font-size: 17px; margin-bottom: 8px; }
.step p, .card p { font-size: 15px; color: var(--muted); }

.page-head { padding: 64px 0 8px; }
.page-head h1 { font-size: 38px; letter-spacing: -0.8px; margin-bottom: 12px; }
.page-body p { color: var(--muted); font-size: 17px; margin-bottom: 18px; max-width: 680px; }
.page-body strong { color: var(--ink); }

.contact-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 30px; margin-top: 26px; max-width: 680px;
}
.contact-box p { margin-bottom: 10px; color: var(--muted); }
.contact-box a { color: var(--accent); font-weight: 700; text-decoration: none; }

footer {
  border-top: 1px solid var(--line); margin-top: 40px; padding: 28px 0 40px;
  color: var(--muted); font-size: 14px;
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .hero { padding: 56px 0 40px; }
}