* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial,
    "PingFang TC", "PingFang SC", "Hiragino Sans", "Noto Sans TC", sans-serif;
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  line-height: 1.65;
  color: #1a1a1a;
  background: #fafafa;
  -webkit-font-smoothing: antialiased;
}

h1 {
  font-size: 2.2rem;
  margin: 0 0 1.5rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 0.8rem;
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  margin: 1.8rem 0 0.6rem;
  font-weight: 600;
}

p {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.5rem;
}

a {
  color: #0a66c2;
  text-decoration: underline;
}

a:hover {
  color: #004182;
}

/* Button list for App pages + Manual pages */
ul.button-list {
  list-style: none;
  padding: 0;
  text-align: center;
  margin: 2rem 0;
}

ul.button-list li {
  margin: 0.8rem 0;
}

ul.button-list a {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: #1a1a1a;
  color: #fafafa;
  text-decoration: none;
  border-radius: 4px;
  min-width: 220px;
  font-weight: 500;
  font-size: 1rem;
}

ul.button-list a:hover {
  background: #333;
  color: #fff;
}

/* Intro text under heading */
.intro {
  text-align: center;
  color: #555;
  margin: -0.5rem 0 2rem;
}

/* Subtle notes at bottom */
.subtle {
  color: #888;
  text-align: center;
  margin-top: 3rem;
  font-size: 0.85rem;
}

/* Verify page — error-style */
.verify h1 {
  font-size: 3rem;
  color: #c00;
  margin-top: 2rem;
}

.verify .body-text {
  text-align: center;
  font-size: 1.05rem;
  margin: 1.5rem 0;
}

/* Hub page — product selector */
.hub h1 {
  font-size: 1.6rem;
}

.hub .subheadings {
  text-align: center;
  color: #555;
  margin-bottom: 2rem;
}

.hub .subheadings p {
  margin: 0.3rem 0;
}

/* Privacy — long form */
.privacy-body h1 {
  text-align: center;
}

.privacy-body h3 {
  border-top: 1px solid #eee;
  padding-top: 1.5rem;
}