:root  {
  color-scheme:dark;
  --gold:#f3cf82;
  --line:#60416e;
  --muted:#cbbbd7;
  --page-max-width:750px;
  font-family:Arial,"Microsoft YaHei",sans-serif;
  font-size:16px
}
*  {
  box-sizing:border-box
}
html  {
  background:#150a22;
  scroll-behavior:smooth;
  scroll-padding-top:20px
}
body  {
  margin:0 auto;
  max-width:var(--page-max-width);
  min-height:100vh;
  background:#241038;
  color:#f6f2e9;
  line-height:1.6;
  box-shadow:0 0 32px #0001
}
.wrap  {
  width:calc(100% - 28px);
  margin-inline:auto
}
a  {
  color:inherit;
  text-decoration:none
}
button  {
  font:inherit;
  cursor:pointer
}
a,button  {
  touch-action:manipulation
}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible  {
  outline:2px solid var(--gold);
  outline-offset:4px
}
[hidden]  {
  display:none!important
}
header  {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--line)
}
.brand  {
  display:flex;
  max-width:100%;
  align-items:center;
  min-height:44px
}
.brand>span  {
  font-size:34px;
  font-weight:900;
  letter-spacing:-2px
}
.brand>span span  {
  color:var(--gold)
}
.brand img  {
  max-width:100%;
  height:auto;
  max-height:90px;
  object-fit:contain
}
nav  {
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  font-size:14px
}
nav a:hover  {
  color:var(--gold)
}
.intro  {
  padding:28px 0 22px
}
.eyebrow  {
  font-size:12px;
  letter-spacing:2.6px;
  font-weight:700;
  color:var(--gold);
  margin:0 0 8px
}
h1  {
  font-size:28px;
  line-height:1.4;
  margin:0
}
h2  {
  font-size:23px;
  line-height:1.5;
  margin:0 0 18px
}
.section  {
  margin-top:34px
}
.muted  {
  color:var(--muted);
  font-size:14px;
  margin:-6px 0 18px
}
.carousel  {
  overflow:hidden;
  border:1px solid #554831;
  border-radius:12px
}
.slides  {
  display:grid
}
.slide  {
  position:relative;
  grid-area:1/1;
  min-height:clamp(180px,32vw,250px);
  display:flex;
  align-items:center;
  overflow:hidden;
  background:radial-gradient(ellipse at 90% 0%,#66512666,transparent 60%),linear-gradient(120deg,#3e1b59,#291139)
}
.slide:nth-child(2)  {
  background:linear-gradient(130deg,#321548,#542572)
}
.slide:nth-child(3)  {
  background:linear-gradient(120deg,#4a1d60,#231134)
}
.slide:after  {
  content:'668';
  position:absolute;
  right:8px;
  top:-30px;
  color:#f3cf820c;
  font-size:190px;
  line-height:1.3;
  font-weight:900;
  pointer-events:none
}
.slide-content  {
  position:relative;
  z-index:1;
  padding:20px;
  width:100%
}
.slide h2  {
  font-size:26px;
  line-height:1.35;
  margin:8px 0 10px
}
.slide-content>p:last-child  {
  font-size:14px;
  color:#e6d6ef;
  margin:0
}
.slide img  {
  position:absolute;
  inset:0;
  z-index:2;
  width:100%;
  height:100%;
  object-fit:cover
}
.banner-link  {
  position:absolute;
  inset:0;
  z-index:3
}
.carousel-bar  {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:6px;
  padding:6px 10px;
  background:#29143d;
  border-top:1px solid var(--line)
}
#count  {
  font-size:12px;
  letter-spacing:1px;
  color:var(--gold)
}
.dots,.controls  {
  display:flex;
  gap:4px
}
.dots button  {
  width:26px;
  height:36px;
  border:0;
  background:none;
  position:relative
}
.dots button:after  {
  content:'';
  position:absolute;
  width:6px;
  height:6px;
  border-radius:9px;
  left:10px;
  top:15px;
  background:#766e5e
}
.dots button[aria-current=true]:after  {
  width:20px;
  left:3px;
  background:var(--gold)
}
.controls button  {
  width:36px;
  height:36px;
  border:1px solid #605031;
  border-radius:50%;
  background:none;
  color:var(--gold);
  font-size:22px;
  line-height:1
}
#play  {
  font-size:14px
}
.notice  {
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 0;
  border-bottom:1px solid var(--line)
}
.notice>span  {
  color:var(--gold);
  font-size:14px;
  border-right:1px solid var(--line);
  padding-right:12px;
  flex-shrink:0
}
.ticker  {
  overflow:hidden;
  flex:1;
  min-width:0
}
.ticker p  {
  margin:0;
  display:inline-block;
  white-space:nowrap;
  min-width:100%;
  padding-left:100%;
  animation:ticker 26s linear infinite;
  font-size:14px;
  color:var(--muted)
}
.ticker:hover p,.ticker:focus p  {
  animation-play-state:paused
}
@keyframes ticker  {
  to  {
    transform:translateX(-100%)
  }
}
.route-grid,.social-grid  {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px
}
.route-card,.social-card  {
  border:1px solid var(--line);
  border-radius:10px;
  background:#321b48
}
.route-card  {
  padding:14px;
  min-width:0
}
.route-top  {
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px
}
.route-top>div  {
  min-width:0
}
.route-number  {
  font-size:26px;
  font-family:Georgia,serif;
  color:var(--gold)
}
.route-card h3  {
  font-size:16px;
  margin:0
}
.route-card p  {
  font-size:12px;
  color:var(--muted);
  overflow-wrap:anywhere;
  margin:2px 0
}
.button  {
  display:inline-flex;
  min-height:44px;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border:1px solid var(--gold);
  border-radius:6px;
  background:var(--gold);
  color:#201a0f;
  font-size:14px;
  font-weight:700;
  cursor:pointer
}
.button:hover  {
  filter:brightness(1.1)
}
.secondary,.route-card .button  {
  background:transparent;
  color:var(--gold);
  border-color:#75613a
}
.route-card .button  {
  width:100%
}
.social-card  {
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 14px;
  min-width:0
}
.social-card:hover  {
  border-color:var(--gold)
}
.social-icon  {
  position:relative;
  width:42px;
  height:42px;
  flex-shrink:0;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid #75613a;
  color:var(--gold);
  font-weight:700;
  overflow:hidden
}
.social-icon img  {
  width:100%;
  height:100%;
  object-fit:contain
}
.social-icon.has-image  {
  border-color:transparent;
  border-radius:0
}
.social-card>div  {
  min-width:0
}
.social-card strong  {
  display:block;
  font-size:16px;
  overflow-wrap:anywhere
}
.social-card small  {
  display:block;
  font-size:12px;
  color:var(--muted)
}
.app  {
  padding:26px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(125deg,#48235f,#29163f)
}
.app h2  {
  font-size:27px;
  margin:20px 0 26px
}
.app h2 span  {
  color:var(--gold);
  font-size:22px
}
.app-buttons  {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px
}
.about  {
  padding-top:30px;
  border-top:1px solid #605037;
  margin-top:44px
}
.about-intro  {
  padding:8px 0 20px;
  border-bottom:1px solid var(--line)
}
.about-intro h3  {
  font-size:24px;
  margin:0 0 10px
}
.about-intro p  {
  color:var(--gold);
  font-size:14px;
  margin:0
}
.about-copy p  {
  color:#d2c2df;
  line-height:1.95;
  margin:22px 0;
  overflow-wrap:anywhere
}
.about-copy strong  {
  color:#f6f2e9
}
.promises  {
  padding:24px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(145deg,#3c2052,#2a163c)
}
.promises h3  {
  color:var(--gold);
  font-size:21px;
  margin:0 0 8px
}
.promises article  {
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line)
}
.promises article:last-child  {
  padding-bottom:0;
  border:0
}
.promises article>span  {
  font:24px Georgia,serif;
  color:var(--gold)
}
.promises h4  {
  margin:0 0 8px;
  font-size:16px
}
.promises article p  {
  color:#d2c2df;
  line-height:1.85;
  margin:0
}
.closing  {
  text-align:center;
  padding-top:28px;
  overflow-wrap:anywhere
}
.closing .pledge  {
  color:var(--gold);
  font-size:14px;
  line-height:1.9;
  margin:0 0 24px
}
.closing h3  {
  font-size:24px;
  margin:0 0 8px
}
.closing p:last-child  {
  color:var(--muted);
  font-size:14px;
  margin:0
}
footer  {
  margin-top:30px!important;
  border-top:1px solid #605037;
  padding:16px 0 max(20px,env(safe-area-inset-bottom));
  text-align:center
}
footer a  {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  min-height:44px;
  padding:8px 24px;
  color:var(--gold);
  font-size:14px
}
#toast  {
  position:fixed;
  z-index:10;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  width:max-content;
  max-width:calc(100% - 32px);
  padding:14px 20px;
  border:1px solid var(--gold);
  border-radius:8px;
  background:#3b2054;
  box-shadow:0 12px 40px #0008
}
.skip  {
  position:fixed;
  top:-100px;
  z-index:20;
  padding:10px;
  background:var(--gold);
  color:#111
}
.skip:focus  {
  top:10px
}
@media(max-width:380px)  {
  .social-card  {
    gap:8px;
    padding:16px 10px
  }
  .social-icon  {
    width:34px;
    height:34px
  }
  .social-card strong  {
    font-size:14px
  }
  .app  {
    padding:20px
  }
  .app h2  {
    font-size:24px
  }
  .app h2 span  {
    font-size:20px
  }
}
@media(max-width:350px)  {
  .social-grid  {
    grid-template-columns:1fr
  }
  .app-buttons  {
    grid-template-columns:1fr
  }
  .slide h2  {
    font-size:23px
  }
  .slide-content  {
    padding:16px
  }
  .route-top  {
    gap:6px
  }
  .route-card h3  {
    font-size:14px
  }
  .promises  {
    padding:18px
  }
}
@media(prefers-reduced-motion:reduce)  {
  html  {
    scroll-behavior:auto
  }
  .ticker p  {
    animation:none;
    white-space:normal;
    padding:0
  }
}
.download-note  {
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:18px 0 0
}
.download-help  {
  border-top:1px solid var(--line);
  margin-top:18px;
  padding-top:14px;
  font-size:14px;
  line-height:1.85
}
.download-help summary  {
  cursor:pointer;
  color:var(--gold);
  min-height:44px;
  padding:8px 0
}
.download-help ol  {
  padding-left:22px;
  color:#d2c2df
}
.download-help li  {
  margin-bottom:10px
}
.download-direct  {
  color:var(--gold);
  text-decoration:underline;
  display:inline-block;
  padding:8px 0;
  overflow-wrap:anywhere
}
.download-help>p  {
  color:var(--muted);
  margin-bottom:0
}
/* Mobile compatibility and intrinsic sizing */ html  {
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%
}
body  {
  width:100%;
  overflow-wrap:break-word
}
.wrap  {
  max-width:calc(100% - 28px)
}
main,section,.route-grid,.social-grid,.app-buttons  {
  min-width:0
}
.route-grid,.social-grid  {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr))
}
.slide img  {
  inset:0
}
.app h2 span  {
  display:inline;
  overflow-wrap:anywhere
}
.carousel-bar  {
  min-width:0
}
.header,header nav  {
  max-width:100%
}
@media(max-width:350px)  {
  .social-grid  {
    grid-template-columns:1fr
  }
  .carousel-bar  {
    gap:2px
  }
  .controls  {
    gap:2px
  }
  .controls button  {
    width:32px
  }
  .dots  {
    gap:0
  }
}
.install-guide h3  {
  color:var(--gold);
  font-size:18px;
  line-height:1.5;
  margin:6px 0 18px
}
.install-guide ol  {
  margin:0;
  padding-left:23px
}
.install-guide li  {
  padding-left:3px;
  margin-bottom:16px;
  overflow-wrap:anywhere
}
.install-guide li:last-child  {
  margin-bottom:0
}
.install-guide li::marker  {
  color:var(--gold);
  font-weight:700
}
.install-guide strong  {
  color:#f6f2e9;
  font-weight:600
}
/* English text wraps naturally at narrow widths. */ h1  {
  font-size:clamp(24px,5vw,30px);
  max-width:20ch
}
.route-card h3  {
  line-height:1.4
}
.social-card strong  {
  font-size:15px;
  line-height:1.4
}
.social-card small  {
  line-height:1.5;
  margin-top:4px
}
.app h2  {
  font-size:26px
}
.app-buttons .button  {
  text-align:center;
  line-height:1.5
}
.about-copy p  {
  line-height:1.85
}
.brand  {
  flex-shrink:0
}
@media(max-width:380px)  {
  .social-card  {
    gap:8px;
    padding-inline:10px
  }
  .social-card strong  {
    font-size:14px
  }
  .app-buttons  {
    grid-template-columns:1fr
  }
}

/* 668BR 紫金主题与桌面布局 */
.slides{grid-template-columns:minmax(0,1fr)}.slide{min-width:0;width:100%}
:root{--page-max-width:1080px;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}
html{background:radial-gradient(ellipse at top,#45225e 0,#150a22 65%);min-height:100%}
body{background:linear-gradient(150deg,#311645,#21102f 65%);box-shadow:0 0 80px #0005}
.wrap{width:calc(100% - 48px);max-width:calc(100% - 48px)}
.brand{gap:12px;flex-direction:row-reverse}.brand>span{letter-spacing:-1px;color:var(--gold);font-style:italic}.brand img{width:64px;border-radius:14px}
nav{gap:8px}nav a{padding:10px 12px;min-height:44px;border-radius:8px}nav a:hover{background:#ffffff08}
.intro{padding:32px 0 24px}h1{max-width:none;letter-spacing:1px}
.carousel{border-color:#c59a55;box-shadow:0 14px 40px #0e001f66}.slide{aspect-ratio:3/1;min-height:0}.slide-content{padding:20px}.slide h2{font-size:clamp(19px,4vw,32px)}.slide:after{display:none}
.route-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.route-card{background:linear-gradient(145deg,#432358,#2c173f);transition:border-color .15s}.route-card:hover{border-color:var(--gold)}.route-top{gap:8px}.route-number{font-size:24px}
.route-card .button{background:linear-gradient(135deg,#ffe5a4,#d8ad5e);color:#301943;border-color:#f3cf82}
[data-unavailable=true]{opacity:.68}.route-card .button[data-unavailable=true]{background:transparent;color:#d8bf91;border-color:#7c6087}
.controls button{width:44px;height:44px}.dots button{height:44px;min-width:30px}.dots button:after{top:19px}
.about{padding-bottom:12px}.app{background:radial-gradient(ellipse at top right,#64357a55,transparent 70%),linear-gradient(125deg,#48235f,#29163f)}
#unavailable{margin-top:16px;color:var(--muted);font-size:13px}#unavailable:target{outline:1px solid var(--gold);padding:12px;border-radius:8px}
@media(max-width:800px){.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wrap{width:calc(100% - 28px);max-width:calc(100% - 28px)}header{gap:12px}.brand img{width:52px;height:52px}nav a{padding:9px 8px}.brand>span{font-size:30px}}
@media(max-width:480px){.intro{padding:24px 0 20px}h1{font-size:25px}header{padding:16px 0}nav{width:100%;justify-content:space-between}.slide-content{padding:12px}.slide-content>p:last-child{font-size:11px}.slide h2{margin:2px 0}.slide .eyebrow{font-size:10px;margin:0}.app{padding:20px}.about-intro h3{font-size:21px}.ticker p{animation-duration:32s}}

/* 四张完整宣传图直接轮播，保持原图比例，不裁切文字。 */
.slide{aspect-ratio:2/1;min-height:0;width:100%;min-width:0;background:#321347}
.slide img{object-fit:contain;width:100%;height:100%;inset:0}
.slide-content{padding:20px}.slide-content h2{font-size:clamp(19px,3.5vw,32px)}
@media(max-width:480px){.slide-content{padding:10px}.slide-content h2{font-size:18px;margin:4px 0}.slide-content>p:last-child{font-size:11px}.slide .eyebrow{font-size:10px}}

/* 电脑端尺寸平衡与苹果下载辅助 */
@media(min-width:801px){:root{--page-max-width:960px}.carousel{max-width:760px;margin-inline:auto}.intro{padding:22px 0 20px}.intro h1{font-size:28px}.route-card{padding:12px}.route-card h3{font-size:15px}}
.ios-help{margin-top:18px;padding:18px;border:1px solid #886398;border-radius:12px;background:#281337;font-size:14px;line-height:1.8}.ios-help h3{margin:0 0 10px;color:var(--gold);font-size:18px}.ios-help p{margin:8px 0}.ios-help label{display:block;color:var(--muted);margin-top:12px}.ios-help input{box-sizing:border-box;width:100%;min-width:0;padding:12px;margin:6px 0 12px;border:1px solid #7c6087;border-radius:6px;background:#1d0c2b;color:#f8e9c8;font:inherit;font-size:12px}.ios-actions{display:flex;flex-wrap:wrap;gap:10px}.ios-help input:focus-visible{outline:2px solid var(--gold)}#ios-copy-status{color:var(--gold)}
#toast{max-width:min(360px,calc(100% - 32px));font-size:14px;line-height:1.6}

/* pt-BR: flexible text widths and compact desktop carousel. */
:root{font-family:Arial,Helvetica,sans-serif}
.brand{flex-direction:row;flex-shrink:1}.brand img{width:290px;height:auto;max-height:110px;border-radius:0}
header{padding:12px 0}h1{max-width:26ch;font-size:clamp(24px,3.2vw,30px);letter-spacing:0;line-height:1.3}
.route-top{min-height:38px}.route-card h3{overflow-wrap:anywhere}.social-card strong{font-size:15px}
.app h2{font-size:26px}.app h2 span{font-size:20px}.about-intro h3{font-size:24px}
.slide-content h2{overflow-wrap:anywhere}.slide-content .eyebrow{letter-spacing:1px}
@media(max-width:800px){.brand img{max-width:260px}.intro h1{font-size:27px}.route-top{min-height:34px}}
@media(max-width:480px){header{justify-content:center;gap:4px}.brand img{max-width:252px;max-height:90px}nav{gap:4px}nav a{padding:10px 6px;font-size:13px}.intro h1{font-size:25px}.social-grid{grid-template-columns:1fr}.social-card{padding:16px}.app h2{font-size:24px}.app h2 span{font-size:18px}.about-intro h3{font-size:22px}.closing h3{font-size:22px}.ios-actions{flex-direction:column}.ios-actions .button{width:100%}}