:root {
  color-scheme:light;
  --background:#f3f5f7;
  --surface:#e8edf1;
  --text:#25303b;
  --secondary:#697581;
  --accent:#506579;
  --line:#d9dfe5;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;
  font-size:16px;
  color:var(--text);
  background:var(--background)
}
* {
  box-sizing:border-box
}
body {
  margin:0
}
a {
  color:var(--accent);
  text-underline-offset:.3em
}
a:hover {
  text-decoration:underline
}
a:focus-visible,summary:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
img {
  max-width:100%;
  height:auto
}
h1,h2,h3,p,figure {
  margin:0
}
p {
  line-height:1.85;
  color:var(--secondary)
}
.wrap {
  width:min(1280px,calc(100% - 96px));
  margin-inline:auto
}
.skip {
  position:absolute;
  left:24px;
  top:-120px;
  z-index:2;
  padding:12px;
  background:var(--background)
}
.skip:focus {
  top:12px
}
.site-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  min-height:88px;
  border-bottom:1px solid var(--line)
}
.brand {
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:21px;
  font-weight:700;
  letter-spacing:-.6px;
  text-decoration:none;
  flex-shrink:0
}
.brand-subtitle {
  font-size:18px;
  margin-left:-5px
}
.site-header nav {
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:wrap
}
.site-header nav a {
  font-size:15px;
  text-decoration:none;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  border-bottom:2px solid transparent
}
.site-header nav a[aria-current] {
  border-color:var(--accent);
  color:var(--text)
}
.draft-notice {
  font-size:13px;
  color:var(--secondary);
  padding-top:22px;
  line-height:1.7
}
.hero {
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:80px;
  align-items:center;
  padding:40px 0 56px
}
.hero h1 {
  font-size:clamp(38px,4.9vw,68px);
  line-height:1.26;
  letter-spacing:-.045em;
  font-weight:700
}
.hero .intro {
  font-size:20px;
  max-width:580px;
  margin-top:28px
}
.actions {
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-top:34px
}
.button {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  min-height:48px;
  padding:12px 26px;
  border:1px solid var(--accent);
  border-radius:4px;
  text-decoration:none;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:center
}
.primary {
  background:var(--accent);
  color:#fff
}
.secondary {
  color:var(--accent);
  background:transparent
}
.button:hover {
  background:var(--surface);
  color:var(--text);
  text-decoration:none
}
.product {
  position:relative;
  justify-self:center;
  width:320px;
  max-width:100%;
  isolation:isolate
}
.device {
  position:relative;
  padding:8px;
  border-radius:46px;
  background:linear-gradient(100deg,#090c0e 0%,#7e878e 1.5%,#141a1e 3%,#080b0d 96%,#969fa5 98%,#1a2024 100%);
  box-shadow:0 0 0 1px #30383e,0 0 0 2px #b7bfc5,0 0 0 3px #31393f,0 18px 40px -14px rgba(37,48,59,.32)
}
.device::before {
  content:"";
  position:absolute;
  z-index:1;
  top:21px;
  left:50%;
  transform:translateX(-50%);
  width:28%;
  height:20px;
  background:#050708;
  border-radius:20px;
  box-shadow:inset 0 0 0 1px #20282d;
  pointer-events:none
}
.device::after {
  content:"";
  position:absolute;
  z-index:1;
  left:-18px;
  right:-18px;
  bottom:-24px;
  height:65px;
  background:linear-gradient(to bottom,rgba(243,245,247,0),var(--background) 80%);
  pointer-events:none
}
.product img {
  display:block;
  width:100%;
  border-radius:38px
}
.product figcaption {
  position:relative;
  z-index:2;
  font-size:12px;
  color:var(--secondary);
  line-height:1.7;
  text-align:center;
  margin-top:10px
}
.section {
  border-top:1px solid var(--line);
  padding:44px 0
}
.section h2 {
  font-size:32px;
  line-height:1.45;
  letter-spacing:-.025em
}
.feature-columns {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:32px;
  gap:36px
}
.feature-columns article+article {
  border-left:1px solid var(--line);
  padding-left:36px
}
.feature-columns h3 {
  font-size:20px;
  line-height:1.6;
  margin-bottom:12px
}
.plans {
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:46px
}
.plans article+article {
  border-left:1px solid var(--line);
  padding-left:46px
}
.plans p {
  margin-top:16px
}
.site-footer {
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:24px;
  padding:28px 0 36px;
  font-size:14px;
  line-height:1.8
}
.site-footer>span {
  font-weight:600
}
.site-footer>div {
  display:flex;
  gap:24px;
  flex-wrap:wrap
}
.site-footer a {
  min-height:24px
}
.planned-email {
  color:var(--secondary);
  overflow-wrap:anywhere
}
.document {
  max-width:880px;
  padding:48px 0 64px;
  overflow-wrap:anywhere
}
.document h1 {
  font-size:44px;
  letter-spacing:-.035em;
  line-height:1.35
}
.document>.intro {
  font-size:18px;
  margin-top:20px
}
.document-meta {
  display:grid;
  grid-template-columns:1fr 1.3fr 1fr;
  gap:20px;
  padding:24px 0;
  margin:28px 0 0;
  border-block:1px solid var(--line);
  line-height:1.8
}
.document-meta dt {
  color:var(--secondary);
  font-size:14px
}
.document-meta dd {
  margin:4px 0 0;
  overflow-wrap:anywhere
}
.notice-detail {
  margin:20px 0 32px;
  font-size:14px
}
.toc {
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  margin:24px 0 40px;
  font-size:14px
}
.policy-section {
  scroll-margin-top:24px;
  margin:32px 0
}
.policy-section h2,.contact h2 {
  font-size:23px;
  line-height:1.6;
  margin-bottom:14px
}
.policy-section p+p,.answer p+p {
  margin-top:16px
}
.policy-section p,.policy-section ul,.answer p,.answer ul,.contact p {
  color:var(--text)
}
code {
  font-family:ui-monospace,SFMono-Regular,monospace;
  overflow-wrap:anywhere
}
.faq {
  border-bottom:1px solid var(--line)
}
details {
  border-top:1px solid var(--line)
}
summary {
  list-style:none;
  cursor:pointer;
  position:relative;
  font-weight:600;
  font-size:18px;
  line-height:1.7;
  padding:21px 38px 21px 0
}
summary::-webkit-details-marker {
  display:none
}
summary:after {
  content:"";
  position:absolute;
  width:9px;
  height:9px;
  border-right:1.5px solid var(--accent);
  border-bottom:1.5px solid var(--accent);
  right:8px;
  top:29px;
  transform:rotate(45deg)
}
details[open]>summary:after {
  transform:rotate(225deg);
  top:34px
}
.answer {
  padding:0 28px 24px 0
}
.contact {
  margin-top:40px;
  padding-bottom:0
}
.contact p+p {
  margin-top:16px
}
ul {
  padding-left:24px;
  line-height:1.85;
  color:var(--secondary)
}
@media(min-width:1440px) {
  .hero {
    min-height:720px
  }
  .product {
    width:330px
  }
}
@media(max-width:850px) {
  .wrap {
    width:calc(100% - 48px)
  }
  .site-header {
    align-items:flex-start;
    flex-direction:column;
    gap:10px;
    padding:20px 0 8px
  }
  .site-header nav {
    gap:24px
  }
  .hero {
    gap:32px
  }
  .hero .intro {
    font-size:18px
  }
  .feature-columns {
    gap:20px
  }
  .feature-columns article+article {
    padding-left:20px
  }
  .plans {
    gap:28px
  }
  .plans article+article {
    padding-left:28px
  }
  .site-footer {
    flex-direction:column;
    gap:14px
  }
}
@media(max-width:620px) {
  .wrap {
    width:calc(100% - 40px)
  }
  .brand {
    font-size:20px
  }
  .brand-subtitle {
    font-size:16px
  }
  .site-header nav {
    gap:20px
  }
  .site-header nav a {
    font-size:14px
  }
  .hero {
    grid-template-columns:1fr;
    padding:38px 0 36px;
    gap:36px
  }
  .hero h1 {
    font-size:42px
  }
  .hero .intro {
    font-size:17px;
    margin-top:20px
  }
  .actions {
    gap:12px;
    margin-top:26px
  }
  .button {
    padding:11px 18px;
    font-size:15px
  }
  .product {
    width:270px
  }
  .section {
    padding:32px 0
  }
  .section h2 {
    font-size:27px
  }
  .feature-columns {
    display:block;
    margin-top:24px
  }
  .feature-columns article+article {
    border:0;
    border-top:1px solid var(--line);
    padding:24px 0 0;
    margin-top:24px
  }
  .feature-columns h3 {
    font-size:19px
  }
  .plans {
    display:block
  }
  .plans article+article {
    border:0;
    border-top:1px solid var(--line);
    padding:28px 0 0;
    margin-top:28px
  }
  .site-footer>div {
    gap:16px
  }
  .planned-email {
    flex-basis:100%
  }
  .document {
    padding:32px 0 44px
  }
  .document h1 {
    font-size:34px
  }
  .document-meta {
    grid-template-columns:1fr;
    gap:16px;
    padding:20px 0
  }
  .document>.intro {
    font-size:17px
  }
  .toc {
    flex-direction:column;
    gap:14px
  }
  .policy-section h2 {
    font-size:22px
  }
  summary {
    font-size:17px
  }
  .answer {
    padding-right:0
  }
}
@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior:auto!important
  }
}