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

:root{
  --text:#1d1d1f;
  --text2:#6e6e73;
  --bg:#fff;
  --bg2:#f5f5f7;
  --border:#d2d2d7;
  --blue:#0088cc;
  --blue-hover:#0099dd;
  --green:#34c759;
  --orange:#ff9f0a;
  --radius:16px;
  --shadow:0 2px 12px rgba(0,0,0,.08);
  --ease-out:cubic-bezier(.25,.46,.45,.94);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
}

html{scroll-behavior:smooth;scroll-padding-top:64px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.55;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.76);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08);
  transition:box-shadow .35s var(--ease-out),background .25s var(--ease-out);
}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.nav-container{max-width:1120px;margin:0 auto;padding:0 20px;height:52px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:17px;font-weight:600;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{font-size:14px;color:var(--text);text-decoration:none}
.nav-links a:hover{color:var(--blue)}
.nav-download{background:var(--blue)!important;color:#fff!important;padding:7px 15px;border-radius:20px;font-weight:500!important}

.hero{
  min-height:100vh;display:grid;place-items:center;text-align:center;
  padding:112px 20px 64px;
  background:linear-gradient(180deg,var(--bg2) 0%,#fff 82%);position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 68% 42% at 38% 18%,rgba(0,136,204,.08),transparent 58%),
    radial-gradient(ellipse 44% 30% at 78% 18%,rgba(232,185,35,.14),transparent 55%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:1;width:min(100%,760px);animation:fadeUp .8s var(--ease-out) both}
.eyebrow{font-size:14px;font-weight:650;color:var(--blue);margin-bottom:10px}
.hero-title{font-size:clamp(44px,7.4vw,82px);font-weight:720;line-height:1.03;letter-spacing:-.035em;margin-bottom:18px}
.hero-title span:first-child{display:block;background:linear-gradient(135deg,#1d1d1f,#515154);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.title-domain{display:block;font-size:.48em;font-weight:560;color:var(--blue)}
.hero-subtitle{font-size:clamp(23px,3.2vw,34px);font-weight:620;letter-spacing:-.02em;margin-bottom:8px}
.hero-description{font-size:17px;color:var(--text2);max-width:520px;margin:0 auto 22px}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:560px;margin:0 auto 16px}
.choice-card{
  min-height:126px;padding:18px;border-radius:18px;background:rgba(255,255,255,.8);
  text-decoration:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06),0 10px 28px rgba(0,0,0,.06);
  transition:transform .28s var(--ease-spring),box-shadow .28s var(--ease-out);
}
.choice-card:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px rgba(0,0,0,.06),0 16px 36px rgba(0,0,0,.1)}
.choice-card-primary{background:linear-gradient(135deg,rgba(0,136,204,.13),rgba(255,255,255,.82));box-shadow:inset 0 0 0 1px rgba(0,136,204,.14),0 12px 30px rgba(0,136,204,.12)}
.choice-kicker{display:block;font-size:12px;font-weight:650;color:var(--blue);margin-bottom:8px}
.choice-card strong{display:block;font-size:22px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.choice-card p{font-size:14px;color:var(--text2);line-height:1.45}
.release-pill{
  display:inline-flex;max-width:100%;align-items:center;min-height:34px;
  padding:7px 14px;border-radius:999px;background:rgba(0,0,0,.055);
  color:#515154;font-size:13px;font-weight:500;
}

.hero-visual{display:none}
.iphone-shell{
  width:258px;aspect-ratio:9/18.8;padding:11px;border-radius:43px;
  background:linear-gradient(145deg,#fbfbfd,#d8d8dc 48%,#fff);
  box-shadow:0 32px 84px rgba(0,0,0,.18),inset 0 0 0 1px rgba(0,0,0,.08);
}
.iphone-screen{
  position:relative;width:100%;height:100%;border-radius:34px;overflow:hidden;
  background:linear-gradient(180deg,#f8fbff,#e9f6ff 52%,#fff);
  display:flex;flex-direction:column;align-items:center;padding:46px 20px 22px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);
}
.screen-island{position:absolute;top:14px;width:84px;height:23px;border-radius:999px;background:#111}
.app-mark{
  width:70px;height:70px;border-radius:22px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),#57c9ff);color:#fff;font-size:23px;font-weight:720;
  box-shadow:0 14px 30px rgba(0,136,204,.28);margin-bottom:18px;
}
.screen-title{font-size:21px;font-weight:700;letter-spacing:-.02em}
.screen-subtitle{font-size:13px;color:var(--text2);margin:4px 0 24px}
.screen-panel{
  width:100%;height:56px;border-radius:18px;background:rgba(255,255,255,.82);
  display:flex;align-items:center;gap:12px;padding:0 14px;margin-bottom:12px;
  box-shadow:0 8px 24px rgba(0,0,0,.08),inset 0 0 0 1px rgba(0,0,0,.05);
}
.screen-panel span{width:29px;height:29px;border-radius:50%;background:rgba(52,199,89,.16);position:relative;flex:none}
.screen-panel span::after{content:"";position:absolute;left:9px;top:7px;width:10px;height:7px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.screen-panel.small span{background:rgba(232,185,35,.16)}
.screen-panel strong{font-size:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;font-size:16px;font-weight:560;text-decoration:none;
  border-radius:12px;border:0;cursor:pointer;
  transition:background .32s var(--ease-out),transform .32s var(--ease-spring),box-shadow .32s var(--ease-out),opacity .2s var(--ease-out);
}
.btn:hover{transform:translateY(-2px)}
.btn:disabled{opacity:.46;cursor:not-allowed;transform:none;box-shadow:none}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 14px rgba(0,136,204,.35)}
.btn-primary:hover{background:var(--blue-hover);box-shadow:0 8px 24px rgba(0,136,204,.4)}
.btn-secondary{background:rgba(0,0,0,.06);color:var(--text)}
.btn-secondary:hover{background:rgba(0,0,0,.1)}
.btn.loading{opacity:.72}

.quick-section{padding:26px 0 10px;background:#fff}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quick-item{
  min-height:116px;padding:22px;border-radius:var(--radius);background:var(--bg2);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.quick-item strong{font-size:19px;font-weight:650;letter-spacing:-.015em;margin-bottom:5px}
.quick-item span{font-size:14px;color:var(--text2)}

.channel-section{padding:78px 0 78px;background:#fff}
.section-heading{text-align:center;margin-bottom:24px}
.section-heading h2{font-size:clamp(32px,5vw,52px);font-weight:720;letter-spacing:-.03em;margin-bottom:8px}
.section-heading p{font-size:18px;color:var(--text2)}
.channel-tabs{
  width:min(100%,430px);margin:0 auto 24px;padding:4px;display:grid;grid-template-columns:1fr 1fr;gap:4px;
  border-radius:999px;background:rgba(0,0,0,.06);
}
.channel-tab{
  min-height:44px;border:0;border-radius:999px;background:transparent;color:#515154;
  font-size:15px;font-weight:560;cursor:pointer;
}
.channel-tab.active{background:#fff;color:var(--text);box-shadow:0 2px 10px rgba(0,0,0,.08)}
.channel-panel{display:none}
.channel-panel.active{display:block}
.panel-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:20px;align-items:stretch}
.flow-card{
  background:var(--bg2);border-radius:var(--radius);padding:30px;
  transition:transform .32s var(--ease-spring),box-shadow .32s var(--ease-out);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.primary-card{background:linear-gradient(135deg,rgba(0,136,204,.08),rgba(0,136,204,.02));border:1px solid rgba(0,136,204,.12)}
.free-card{background:linear-gradient(135deg,rgba(52,199,89,.08),rgba(52,199,89,.02));border-color:rgba(52,199,89,.14)}
.process-card{background:#f7f7f9}
.card-heading{margin-bottom:22px}
.card-heading.compact{margin-bottom:18px}
.card-heading h3{font-size:26px;line-height:1.22;letter-spacing:-.02em;margin-bottom:8px}
.card-heading p{font-size:15px;color:var(--text2);line-height:1.65;max-width:620px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:650;margin-bottom:12px;background:rgba(0,136,204,.12);color:var(--blue);
}
.badge.free{background:rgba(52,199,89,.14);color:#168a3a}

.request-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.request-form label{display:grid;gap:7px;font-size:13px;font-weight:650;color:var(--text)}
.request-form .full-row{grid-column:1/-1}
.request-form input{
  width:100%;min-height:50px;border:0;border-radius:12px;
  padding:12px 14px;font-size:15px;background:rgba(255,255,255,.86);color:var(--text);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.07);
}
.request-form input:focus{outline:none;background:#fff;box-shadow:inset 0 0 0 1.5px var(--blue),0 0 0 4px rgba(0,136,204,.12)}
.form-actions,.status-actions,.free-actions{display:flex;gap:12px;flex-wrap:wrap;grid-column:1/-1;margin-top:2px}
.request-status{
  margin-top:20px;padding:18px;border-radius:14px;background:rgba(255,255,255,.78);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}
.status-label{display:block;font-size:12px;font-weight:650;color:var(--blue);margin-bottom:4px}
.request-status p{font-size:14px;color:#515154;line-height:1.6;margin-bottom:12px;overflow-wrap:anywhere}

.timeline{list-style:none;display:grid;gap:16px}
.timeline li{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start}
.step-dot{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:#fff;color:var(--blue);font-size:14px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(0,136,204,.15);
}
.timeline strong{display:block;font-size:16px;font-weight:650;margin-bottom:3px}
.timeline span,.method-list span{display:block;font-size:14px;color:var(--text2);line-height:1.55}
.method-list{display:grid;gap:12px}
.method-list div{padding:16px;border-radius:14px;background:#fff;box-shadow:inset 0 0 0 1px rgba(0,0,0,.05)}
.method-list strong{display:block;font-size:15px;font-weight:650;margin-bottom:3px}
.muted{margin-top:14px;font-size:13px;color:var(--text2)}

.risk-section{padding:0 0 70px;background:#fff}
.risk-notice{
  max-width:820px;margin:0 auto;padding:22px 26px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(255,159,10,.08),rgba(255,159,10,.025));
  border:1px solid rgba(255,159,10,.18);
}
.risk-notice h3{font-size:16px;font-weight:650;color:#9a5b00;margin-bottom:6px}
.risk-notice p{font-size:14px;color:#6e6e73;line-height:1.65}

.footer{padding:36px 0;background:var(--bg2);border-top:1px solid var(--border)}
.footer-inner{max-width:1120px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-inner strong{font-size:15px}
.footer-inner p{font-size:12px;color:var(--text2);margin-top:2px}
.footer-inner nav{display:flex;gap:20px}
.footer-inner nav a{font-size:13px;color:var(--text2);text-decoration:none}
.footer-inner nav a:hover{color:var(--text)}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

@media(max-width:920px){
  .hero{padding-top:92px}
  .quick-grid,.panel-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container,.nav-container,.footer-inner{padding-left:20px;padding-right:20px}
  .nav-links{gap:12px}
  .nav-links a:not(.nav-download){display:none}
  .hero{min-height:auto;padding:78px 20px 34px}
  .eyebrow{margin-bottom:8px}
  .hero-title{font-size:clamp(38px,12vw,56px);margin-bottom:12px}
  .hero-subtitle{font-size:24px;margin-bottom:6px}
  .hero-description{font-size:15px;margin-bottom:16px}
  .choice-grid{grid-template-columns:1fr;gap:10px}
  .choice-card{min-height:auto;padding:16px;text-align:left}
  .choice-card strong{font-size:21px}
  .release-pill{border-radius:14px;text-align:left;line-height:1.45}
  .hero-visual{display:none}
  .quick-section{padding-top:18px}
  .quick-grid{gap:12px}
  .quick-item{min-height:94px;padding:18px}
  .channel-section{padding:58px 0 58px}
  .section-heading h2{font-size:34px}
  .section-heading p{font-size:16px}
  .flow-card{padding:22px}
  .card-heading h3{font-size:25px}
  .request-form{grid-template-columns:1fr}
  .form-actions,.status-actions,.free-actions{display:grid}
  .btn{width:100%;padding:14px 18px}
  .risk-section{padding-bottom:52px}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-inner nav{justify-content:center}
}