*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#ffffff;
  --soft:#f3f9ff;
  --soft2:#fdf7fb;
  --ink:#101828;
  --muted:#667085;
  --line:#dbe7f3;
  --line-strong:#b8d2ea;
  --sky:#1d9bf0;
  --sky-dark:#0b74c9;
  --sky-soft:#edf7ff;
  --blue:#2563eb;
  --pink:#f5a9c8;
  --green:#17a36b;
  --amber:#b7791f;
  --red:#d64545;
  --shadow:0 20px 55px rgba(16,40,70,.08);
  --radius:8px;
  --px:clamp(22px,5vw,96px);
  --header-h:72px;
}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
main section[id]{scroll-margin-top:var(--header-h)}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.5;
}
a{color:inherit}
code,pre{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
button,input{font:inherit}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(180%) blur(14px);
}
.nav{
  width:100%;
  margin:0 auto;
  min-height:var(--header-h);
  padding:0 var(--px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand,.footer-brand{
  text-decoration:none;
  font-weight:800;
  letter-spacing:0;
  font-size:23px;
  color:var(--ink);
}
.brand span,.footer-brand span{color:var(--sky)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  text-decoration:none;
  color:var(--muted);
  font-weight:650;
  font-size:14px;
  transition:color .16s;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-switch{
  min-height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:7px 10px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--muted);
  text-decoration:none;
  font-size:13px;
  font-weight:800;
  white-space:nowrap;
}
.lang-switch:hover{border-color:var(--sky);color:var(--sky)}
.hamburger{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--radius);
  padding:0;
  line-height:0;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);margin:0;border-radius:2px;transition:transform .2s,opacity .2s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-announcement{
  border-bottom:1px solid var(--line);
  background:#f7fbff;
}
.notice-inner{
  width:100%;
  min-height:44px;
  padding:10px var(--px);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  color:#28445f;
  font-size:14px;
  font-weight:650;
  text-align:center;
}
.notice-copy{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-width:0;
  flex-wrap:wrap;
}
.notice-title{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:2px 9px;
  border:1px solid rgba(29,155,240,.18);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  color:var(--ink);
  font-size:13px;
  font-weight:850;
  line-height:1.35;
}
.notice-message{
  color:#31516d;
  font-weight:650;
  line-height:1.55;
}
.notice-inner a{
  color:var(--sky-dark);
  font-weight:800;
  text-decoration:none;
}
.notice-inner a:hover{text-decoration:underline}
.notice-success{background:#edf9f3;border-color:#c8ebd9}
.notice-warning{background:#fff8e8;border-color:#ffe1a3}
.notice-danger{background:#fff1f1;border-color:#ffc9c9}
.notice-warning .notice-title{border-color:#f4d18c;color:#83520f}
.notice-danger .notice-title{border-color:#f4b6b6;color:#9c2e2e}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:42px;
  padding:10px 16px;
  border-radius:var(--radius);
  border:1px solid transparent;
  text-decoration:none;
  font-weight:750;
  font-size:14px;
  cursor:pointer;
  transition:transform .14s,box-shadow .14s,background .14s,border-color .14s,color .14s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--sky);color:#fff;box-shadow:0 10px 24px rgba(29,155,240,.18)}
.btn-primary:hover{background:var(--sky-dark)}
.btn-secondary,.btn-quiet{
  background:#fff;
  color:var(--ink);
  border-color:var(--line-strong);
}
.btn-secondary:hover,.btn-quiet:hover{border-color:var(--sky);color:var(--sky)}
.btn-danger{
  background:#fff;
  color:var(--red);
  border-color:#ffd1d1;
}
.btn-danger:hover{
  background:#fff7f7;
  border-color:var(--red);
  color:#a83333;
}
.btn-large{min-height:50px;padding:13px 22px;font-size:15px}
.btn-sm{min-height:36px;padding:8px 12px;font-size:13px}

.hero{
  min-height:calc(100vh - var(--header-h));
  min-height:calc(100svh - var(--header-h));
  position:relative;
  display:grid;
  align-items:center;
  border-bottom:1px solid var(--line);
  background:#fff;
  overflow:hidden;
}
.hero-inner{
  position:relative;
  width:100%;
  min-height:calc(100vh - var(--header-h));
  min-height:calc(100svh - var(--header-h));
  margin:0;
  padding:clamp(88px,8vh,138px) var(--px) clamp(76px,7vh,118px);
  display:grid;
  grid-template-columns:minmax(0,1.04fr) minmax(420px,.88fr);
  align-items:center;
  gap:clamp(56px,4.5vw,96px);
}
.hero-content{
  min-width:0;
}
.eyebrow{
  display:inline-block;
  color:var(--sky);
  font-size:12px;
  font-weight:800;
  letter-spacing:.11em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.hero h1{
  max-width:930px;
  margin:0;
  font-size:96px;
  line-height:.97;
  letter-spacing:0;
}
html[lang="zh-CN"] .hero h1{
  max-width:820px;
  font-size:82px;
  line-height:1.04;
}
.hero-copy{
  max-width:720px;
  margin:24px 0 0;
  color:#43556a;
  font-size:20px;
  line-height:1.65;
}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-points{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:26px;
}
.hero-points span{
  border:1px solid var(--line);
  background:rgba(255,255,255,.86);
  color:#4c6074;
  border-radius:999px;
  padding:8px 12px;
  font-size:13px;
  font-weight:650;
}
.hero-console{
  align-self:center;
  width:100%;
  min-width:0;
  min-height:clamp(520px,52vh,680px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 30px 80px rgba(16,40,70,.10);
  padding:22px;
  display:grid;
  grid-template-rows:auto auto auto auto auto;
  align-content:center;
  gap:18px;
  overflow:hidden;
}
.console-top,.console-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.console-top{
  color:#3b536a;
  font-size:13px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.console-top b{
  color:#147a50;
  background:#eaf8f1;
  border:1px solid #c7ecd9;
  border-radius:999px;
  padding:5px 10px;
  font-size:12px;
  letter-spacing:0;
  text-transform:none;
}
.route-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  background:var(--sky-soft);
}
.primary-route span,.primary-route strong{
  display:block;
}
.primary-route span{
  color:#51708b;
  font-size:13px;
  font-weight:750;
}
.primary-route strong{
  margin-top:8px;
  color:#0f5f9c;
  font-size:30px;
  letter-spacing:0;
  word-break:break-word;
}
.route-steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.route-steps div{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  background:#fff;
}
.route-steps span{
  display:block;
  color:var(--sky);
  font-size:12px;
  font-weight:850;
}
.route-steps strong{
  display:block;
  margin-top:8px;
  font-size:16px;
}
.route-steps p{
  margin:8px 0 0;
  color:var(--muted);
  font-size:13px;
  line-height:1.55;
}
.provider-marquee{
  position:relative;
  display:grid;
  gap:10px;
  overflow:hidden;
  width:100%;
  min-width:0;
  padding:3px 0;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.provider-track{
  width:max-content;
  display:flex;
  align-items:center;
  will-change:transform;
}
.provider-sequence{
  display:flex;
  align-items:center;
  gap:10px;
  padding-right:10px;
}
.provider-track-left{animation:providerSlideLeft 34s linear infinite}
.provider-track-right{animation:providerSlideRight 38s linear infinite}
.provider-marquee:hover .provider-track{animation-play-state:paused}
.provider-item{
  width:132px;
  height:54px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:9px 12px;
  background:linear-gradient(180deg,#fff,#f8fcff);
  color:#31495f;
  font-size:13px;
  font-weight:850;
  white-space:nowrap;
  box-shadow:0 12px 26px rgba(16,40,70,.06);
}
.provider-logo{
  width:34px;
  height:34px;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.provider-logo svg{
  width:34px;
  height:34px;
  display:block;
}
.provider-logo-openai{color:#172033}
.provider-logo-mono{color:#101828}
@keyframes providerSlideLeft{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
@keyframes providerSlideRight{
  from{transform:translateX(-50%)}
  to{transform:translateX(0)}
}
.console-bottom div{
  flex:1;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  background:#fbfdff;
}
.console-bottom strong{
  display:block;
  font-size:30px;
  line-height:1;
  letter-spacing:0;
}
.console-bottom span{
  display:block;
  margin-top:7px;
  color:var(--muted);
  font-size:13px;
}

.metric-band{
  width:100%;
  margin:0;
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  padding:34px var(--px);
  background:var(--soft);
  border-bottom:1px solid var(--line);
}
.metric-band div{
  background:#fff;
  border:1px solid var(--line);
  border-right:none;
  padding:24px;
  box-shadow:var(--shadow);
}
.metric-band div:first-child{border-radius:var(--radius) 0 0 var(--radius)}
.metric-band div:last-child{border-right:1px solid var(--line);border-radius:0 var(--radius) var(--radius) 0}
.metric-band strong{display:block;font-size:30px;letter-spacing:0}
.metric-band span{display:block;color:var(--muted);font-size:13px;margin-top:4px}

.section,.container{
  width:100%;
  margin:0;
  padding:84px var(--px);
}
.section-soft{
  max-width:none;
  background:var(--soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-soft>*{max-width:none;margin-left:0;margin-right:0}
.section-head{max-width:1120px;margin-bottom:32px}
.section h2,.page-head h1,.card h2,.cta-section h2{
  margin:0;
  font-size:44px;
  line-height:1.08;
  letter-spacing:0;
}
.section-head p,.page-head p,.section-split p,.cta-section p,.card p,.price-card p,.proof-grid p,.feature-card p{
  color:var(--muted);
}
.section-head p{max-width:820px}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.feature-card,.price-card,.card,.dash-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 8px 28px rgba(16,32,51,.04);
}
.feature-card{padding:24px}
.feature-kicker{
  color:var(--sky);
  font-size:12px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.09em;
}
.feature-card h3,.proof-grid h3,.price-card h3{
  margin:10px 0 8px;
  font-size:19px;
  letter-spacing:0;
}
.feature-card p,.proof-grid p,.price-card p{margin:0;font-size:14px;line-height:1.65}

.section-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(420px,1fr);
  gap:48px;
  align-items:center;
}
.model-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.model-row span,.model-chip{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  color:#365066;
  padding:8px 11px;
  font-size:12px;
}
button.model-chip{cursor:pointer}
.code-card{
  background:#0f1d2d;
  color:#edf7fb;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.code-card.slim{margin-top:18px}
.code-top{
  min-height:46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 14px;
  border-bottom:1px solid rgba(255,255,255,.12);
  color:#bad1dc;
  font-size:12px;
  font-weight:750;
}
.copy-btn{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:6px;
  padding:6px 10px;
  cursor:pointer;
  font-size:12px;
}
pre{
  margin:0;
  padding:20px;
  overflow:auto;
  font-size:13px;
  line-height:1.75;
  white-space:pre;
}
.kw{color:#86e1ff}.str{color:#f8c4d9}.key{color:#9af0df}

.proof-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.proof-grid div{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
}
.cta-section{
  text-align:center;
  border-top:1px solid var(--line);
}
.cta-section p{max-width:620px;margin:16px auto 0}
.cta-section .hero-actions{justify-content:center}

.page-head{
  max-width:760px;
  margin-bottom:34px;
}
.card{padding:26px;margin-bottom:18px}
.card h2{font-size:24px;margin-bottom:8px}
.card-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:13px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.table tr:last-child td{border-bottom:none}
.table code,.card code,.newkey-banner code{
  background:var(--sky-soft);
  color:#135f9d;
  border-radius:6px;
  padding:3px 6px;
  font-size:.92em;
}
.badge{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:4px 9px;
  font-size:12px;
  font-weight:750;
  border:1px solid transparent;
}
.badge.ok{background:#eaf8f1;color:#147a50}
.badge.warn{background:#fff7e6;color:#8a5a12}
.badge.err{background:#fff0f0;color:#a83333}
.badge.mute{background:#eef4f7;color:#536a78}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-bottom:28px;
}
.price-card{padding:28px;display:flex;flex-direction:column;gap:16px}
.price-card.featured{border-color:var(--sky);box-shadow:0 20px 45px rgba(29,155,240,.12)}
.plan-name{font-size:12px;font-weight:850;color:var(--sky);letter-spacing:.12em;text-transform:uppercase}
.plan-price{font-size:42px;font-weight:850;letter-spacing:0}
.plan-price span{font-size:16px;color:var(--muted);letter-spacing:0}
.price-card ul{padding:0;margin:0;list-style:none;color:#40576b;font-size:14px;line-height:2}
.price-card li::before{content:"";display:inline-block;width:6px;height:6px;background:var(--pink);border-radius:50%;margin-right:10px;vertical-align:middle}
.price-card .btn{margin-top:auto}
.pricing-rates-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  margin-bottom:16px;
}
.pricing-rates-head h2{margin-bottom:8px}
.pricing-rates-head p{margin:0}
.pricing-rate-updated{
  margin-top:8px!important;
  color:#40576b!important;
  font-size:13px;
}
.pricing-tools{
  display:flex;
  align-items:end;
  gap:12px;
  flex-wrap:wrap;
  padding:12px;
  margin-bottom:10px;
  background:#f8fcff;
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.pricing-tool{
  display:grid;
  gap:7px;
  min-width:min(320px,100%);
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.pricing-sort-tool{min-width:min(220px,100%)}
.pricing-tool input,.pricing-tool select{
  width:100%;
  background:#fff;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:10px 11px;
  color:var(--ink);
  outline:none;
}
.pricing-tool input:focus,.pricing-tool select:focus{
  border-color:var(--sky);
  box-shadow:0 0 0 3px rgba(29,155,240,.12);
}

.auth-page{
  min-height:calc(100vh - 72px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:56px var(--px);
  background:linear-gradient(180deg,#fff,var(--soft));
}
.form{
  width:min(100%,440px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px;
  box-shadow:var(--shadow);
}
.form h1{margin:0 0 8px;font-size:30px;letter-spacing:0}
.form .muted{margin:0 0 24px;color:var(--muted)}
.form label{
  display:block;
  margin:16px 0 7px;
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.form input,.recharge-row input{
  width:100%;
  background:#fff;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:12px 13px;
  color:var(--ink);
  outline:none;
}
.form input:focus,.recharge-row input:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(29,155,240,.12)}
.password-field{
  position:relative;
  display:flex;
  align-items:center;
}
.password-field input{padding-right:50px}
.password-toggle{
  position:absolute;
  right:7px;
  top:50%;
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transform:translateY(-50%);
  border:1px solid transparent;
  border-radius:var(--radius);
  background:transparent;
  color:var(--muted);
  cursor:pointer;
}
.password-toggle:hover,.password-toggle:focus-visible{
  color:var(--sky);
  border-color:var(--line);
  outline:none;
}
.password-toggle svg{
  width:20px;
  height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.password-toggle::after{
  content:"";
  position:absolute;
  width:21px;
  height:2px;
  border-radius:999px;
  background:currentColor;
  transform:rotate(-38deg) scaleX(0);
  transition:transform .12s;
}
.password-toggle.is-visible::after{transform:rotate(-38deg) scaleX(1)}
.form-submit{width:100%;margin-top:22px}
.form .err,.flash-err{background:#fff0f0;border:1px solid #ffd1d1;color:var(--red)}
.form .err{padding:11px 13px;border-radius:var(--radius);font-size:14px}
.oauth-button{
  width:100%;
  min-height:46px;
  margin:18px 0 0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  background:#fff;
  border:1px solid var(--line-strong);
  color:var(--ink);
  text-decoration:none;
  box-shadow:none;
}
.oauth-button:hover,.oauth-button:focus-visible{
  border-color:#b8c7d4;
  background:#f8fbfe;
  transform:none;
  outline:none;
}
.oauth-button svg{
  width:20px;
  height:20px;
  flex:0 0 20px;
}
.auth-divider{
  display:flex;
  align-items:center;
  gap:12px;
  margin:18px 0 2px;
  color:var(--muted);
  font-size:13px;
}
.auth-divider::before,.auth-divider::after{
  content:"";
  height:1px;
  flex:1;
  background:var(--line);
}
.auth-assist{
  margin-top:12px;
  text-align:right;
  font-size:14px;
}
.auth-assist a{
  color:var(--sky);
  font-weight:750;
  text-decoration:none;
}
.foot{margin-top:18px;text-align:center;color:var(--muted);font-size:14px}
.foot a{color:var(--sky);font-weight:750;text-decoration:none}
.code-row{display:flex;gap:8px;align-items:stretch}
.code-row input{min-width:0}
.code-send-btn{white-space:nowrap}
.form-msg{min-height:20px;margin-top:8px;font-size:13px;color:var(--muted)}
.form-msg.ok{color:var(--green)}
.form-msg.err{color:var(--red)}

.dash-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.dash-header h1{margin:0;font-size:42px;letter-spacing:0;line-height:1}
.email,.fineprint{color:var(--muted);font-size:14px;margin:8px 0 0}
.row-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.inline-form{display:inline}
.dash-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-bottom:18px;
}
.dash-row-3{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:14px;
  margin-bottom:18px;
}
.dash-card{padding:22px}
.dash-card.accent{border-color:var(--sky);background:var(--soft)}
.label{font-size:12px;color:var(--muted);font-weight:850;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.value{font-size:34px;font-weight:850;letter-spacing:0}
.value.compact{font-size:20px}
.unit{font-size:.52em;color:var(--muted);margin-left:4px;letter-spacing:0}
.sub{color:var(--muted);font-size:13px;margin-top:8px}
.recharge-form .amt-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.amt-preset{
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  border-radius:var(--radius);
  padding:8px 12px;
  cursor:pointer;
  font-weight:750;
}
.amt-preset:hover{border-color:var(--sky);color:var(--sky)}
.recharge-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.recharge-row .prefix{color:var(--muted);font-weight:750}
.recharge-row input{width:150px}
.payment-actions{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
  margin-top:10px;
}
.payment-actions .btn{width:100%}
.paypal-btn{
  border-color:#003087;
  color:#003087;
  background:#fff;
}
.paypal-btn:hover{
  border-color:#003087;
  color:#003087;
  background:#f4f9ff;
}
.newkey-banner{
  background:var(--soft);
  border:1px solid var(--sky);
  border-radius:var(--radius);
  padding:18px;
  margin-bottom:18px;
}
.newkey-banner b{display:block;margin-bottom:8px}
.newkey-banner code{display:inline-block;word-break:break-all;cursor:pointer}
.flash{border-radius:var(--radius);padding:13px 15px;margin-bottom:16px;font-size:14px}
.flash-ok{background:#eaf8f1;border:1px solid #c7ecd9;color:#147a50}
.flash-warn{background:#fff7e6;border:1px solid #ffe3a6;color:var(--amber)}

.admin-shell{
  min-height:calc(100vh - var(--header-h));
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  background:#f7fbff;
}
.admin-side{
  border-right:1px solid var(--line);
  background:#fff;
  padding:28px 18px;
}
.admin-side-brand{
  display:block;
  color:var(--ink);
  text-decoration:none;
  font-size:22px;
  font-weight:850;
  letter-spacing:0;
  margin-bottom:24px;
}
.admin-side-nav{
  display:grid;
  gap:6px;
}
.admin-side-nav a{
  min-height:40px;
  display:flex;
  align-items:center;
  padding:9px 11px;
  border-radius:var(--radius);
  color:#40576b;
  text-decoration:none;
  font-size:14px;
  font-weight:750;
}
.admin-side-nav a:hover,.admin-side-nav a.active{
  background:var(--sky-soft);
  color:#135f9d;
}
.admin-main{
  min-width:0;
  padding:36px var(--px);
}
.admin-topbar{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  margin-bottom:22px;
}
.admin-topbar h1{
  margin:0;
  font-size:38px;
  line-height:1;
  letter-spacing:0;
}
.admin-panel,.admin-metrics>div{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 8px 28px rgba(16,32,51,.04);
}
.admin-panel{
  padding:24px;
  margin-bottom:18px;
}
.admin-panel h2{
  margin:0 0 8px;
  font-size:22px;
  letter-spacing:0;
}
.admin-panel h3{
  margin:0 0 12px;
  font-size:16px;
}
.admin-panel p{
  margin:0;
  color:var(--muted);
}
.admin-panel-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  margin-bottom:16px;
}
.admin-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-bottom:18px;
}
.admin-metrics>div{
  padding:20px;
}
.admin-metrics span{
  display:block;
  color:var(--muted);
  font-size:12px;
  font-weight:850;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.admin-metrics strong{
  display:block;
  margin-top:8px;
  font-size:30px;
  line-height:1;
  letter-spacing:0;
}
.admin-formbar{
  position:sticky;
  top:calc(var(--header-h) + 8px);
  z-index:4;
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:14px;
  padding:12px;
  margin-bottom:12px;
  background:#f8fcff;
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.admin-formbar-meta{
  color:#40576b;
  font-size:13px;
  font-weight:750;
}
.admin-search,.admin-page-size{
  width:min(300px,100%);
  display:grid;
  gap:7px;
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.admin-page-size{width:min(150px,100%)}
.admin-auth-actions{margin:16px 0 0}
.admin-add-form{
  display:grid;
  gap:14px;
  max-width:760px;
}
.admin-settings-form,.admin-sync-form{
  display:flex;
  align-items:end;
  gap:12px;
  flex-wrap:wrap;
  margin-top:16px;
}
.admin-announcement-form{
  display:block;
}
.admin-form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.admin-form-grid label{
  display:grid;
  gap:7px;
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.admin-field-wide{
  grid-column:1 / -1;
}
.admin-publish-settings{
  display:grid;
  grid-template-columns:minmax(260px,1fr) minmax(220px,320px);
  gap:14px;
  align-items:end;
}
.admin-toggle{
  position:relative;
  min-height:70px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:#f8fcff;
  cursor:pointer;
}
.admin-toggle input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.admin-toggle-ui{
  position:relative;
  width:44px;
  height:24px;
  flex:0 0 auto;
  border-radius:999px;
  background:#d7e5f3;
  box-shadow:inset 0 0 0 1px rgba(16,40,70,.08);
  transition:background .16s;
}
.admin-toggle-ui::after{
  content:"";
  position:absolute;
  top:3px;
  left:3px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 2px 5px rgba(16,40,70,.16);
  transition:transform .16s;
}
.admin-toggle input:checked + .admin-toggle-ui{
  background:var(--sky);
}
.admin-toggle input:checked + .admin-toggle-ui::after{
  transform:translateX(20px);
}
.admin-toggle input:focus-visible + .admin-toggle-ui{
  box-shadow:0 0 0 3px rgba(29,155,240,.15),inset 0 0 0 1px rgba(16,40,70,.08);
}
.admin-toggle-copy{
  display:grid;
  gap:3px;
}
.admin-toggle-copy strong{
  color:var(--ink);
  font-size:14px;
  font-weight:850;
}
.admin-toggle-copy small{
  color:var(--muted);
  font-size:12px;
  font-weight:650;
}
.admin-select-field{
  display:grid;
  gap:7px;
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.admin-form-actions{
  display:flex;
  justify-content:flex-end;
  margin-top:18px;
}
.admin-price-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin:16px 0 12px;
}
.admin-price-tab{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:38px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  color:#40576b;
  text-decoration:none;
  font-size:13px;
  font-weight:800;
}
.admin-price-tab span{
  color:var(--muted);
  font-weight:750;
}
.admin-price-tab.active{
  color:#fff;
  border-color:var(--sky);
  background:var(--sky);
}
.admin-price-tab.active span{color:#eaf7ff}
.admin-price-tools{
  display:flex;
  align-items:end;
  gap:12px;
  flex-wrap:wrap;
  padding:12px;
  margin-bottom:12px;
  background:#f8fcff;
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.admin-sync-meta{
  margin-top:12px!important;
  color:#40576b!important;
  font-size:13px;
}
.admin-add-form label,.admin-markup{
  display:grid;
  gap:7px;
  color:#355066;
  font-size:13px;
  font-weight:750;
}
.admin-add-form input,.admin-add-form select,.admin-price-form input,.admin-search input,.admin-page-size select,.admin-settings-form input,.admin-sync-form input,.admin-form-grid input,.admin-form-grid textarea,.admin-form-grid select,.admin-select-field select{
  width:100%;
  background:#fff;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:10px 11px;
  color:var(--ink);
  outline:none;
}
.admin-add-form input:focus,.admin-add-form select:focus,.admin-price-form input:focus,.admin-search input:focus,.admin-page-size select:focus,.admin-settings-form input:focus,.admin-sync-form input:focus,.admin-form-grid input:focus,.admin-form-grid textarea:focus,.admin-form-grid select:focus,.admin-select-field select:focus{
  border-color:var(--sky);
  box-shadow:0 0 0 3px rgba(29,155,240,.12);
}
.admin-markup{
  width:min(260px,100%);
}
.admin-price-form .table input{
  min-width:150px;
}
.admin-price-form .table td:first-child input{
  min-width:280px;
}
.admin-price-form .table td{background:#fff}
.table-empty{
  color:var(--muted);
  text-align:center!important;
}
.admin-pager{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-top:14px;
  color:#40576b;
  font-size:13px;
  font-weight:750;
}
.admin-pager-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
}
.admin-pager-gap{
  color:var(--muted);
  padding:0 4px;
}
.btn.disabled{
  opacity:.52;
  pointer-events:none;
  cursor:default;
}
.admin-add-form{
  grid-template-columns:minmax(170px,.85fr) minmax(220px,1.4fr) repeat(2,minmax(120px,.7fr)) auto;
  max-width:none;
  align-items:end;
}

.sparkline{display:flex;align-items:flex-end;gap:3px;height:64px;margin-top:16px}
.sparkline .bar{flex:1;background:var(--sky);border-radius:4px 4px 0 0;min-height:4px;opacity:.8}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);padding:3px;background:#fff;margin-bottom:20px}
.seg-item{text-decoration:none;color:var(--muted);font-weight:750;font-size:13px;padding:8px 12px;border-radius:6px}
.seg-item.active{background:var(--sky);color:#fff}
.bar-chart{display:flex;align-items:flex-end;gap:6px;height:210px;padding-top:16px;overflow-x:auto}
.bar-col{flex:1;min-width:20px;display:flex;flex-direction:column;align-items:center;gap:8px}
.bar-stack{height:170px;width:100%;display:flex;flex-direction:column-reverse;justify-content:flex-start;gap:2px}
.bar-seg{width:100%;min-height:2px;border-radius:5px 5px 0 0}
.bar-seg.ok{background:var(--sky)}
.bar-seg.err{background:var(--red)}
.bar-seg.accent{background:var(--pink)}
.bar-label{font-size:11px;color:var(--muted);white-space:nowrap}
.chart-legend{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:12px}
.chart-legend .sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
.chart-legend .sw.ok{background:var(--sky)}
.chart-legend .sw.err{background:var(--red)}
.mini-bar{display:inline-block;width:96px;height:7px;background:#eef4f7;border-radius:999px;overflow:hidden;margin-right:8px;vertical-align:middle}
.mini-fill{height:100%;background:var(--sky)}
.row-err td{background:#fff7f7}
.row-warn td{background:#fffaf0}
.truncate{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.site-footer{
  border-top:1px solid var(--line);
  background:#fbfdfd;
  padding:34px var(--px);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  color:var(--muted);
}
.site-footer>div{min-width:180px}
.site-footer p{margin:8px 0 0}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:var(--muted);text-decoration:none;font-weight:650}
.footer-links a:hover{color:var(--sky)}
.footer-copy{font-size:13px}

@media(min-width:1800px) and (min-height:900px){
  .hero-inner{
    padding:clamp(118px,9vh,156px) clamp(112px,6.5vw,180px) clamp(96px,8vh,140px);
    grid-template-columns:minmax(720px,1fr) minmax(620px,.82fr);
    gap:clamp(80px,5vw,140px);
  }
  .hero h1{
    max-width:1120px;
    font-size:clamp(104px,5vw,128px);
  }
  html[lang="zh-CN"] .hero h1{
    max-width:980px;
    font-size:clamp(84px,4.3vw,110px);
  }
  .hero-copy{
    max-width:800px;
    font-size:22px;
  }
  .hero-console{
    min-height:clamp(660px,55vh,820px);
    padding:28px;
    gap:18px;
  }
  .route-card{
    min-height:140px;
    padding:28px;
    display:grid;
    align-content:center;
  }
  .primary-route strong{font-size:36px}
  .route-steps div{
    min-height:168px;
    padding:20px;
  }
  .route-steps strong{font-size:18px}
  .route-steps p{font-size:14px}
  .provider-item{width:152px;height:60px;font-size:14px}
  .provider-logo,.provider-logo svg{width:38px;height:38px}
  .console-bottom div{
    min-height:110px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .console-bottom strong{font-size:36px}
}

@media(max-width:1500px){
  .hero-inner{
    padding-top:84px;
    padding-bottom:72px;
    grid-template-columns:minmax(0,1fr) minmax(400px,.9fr);
    gap:48px;
  }
  .hero h1{
    max-width:790px;
    font-size:84px;
    line-height:1;
  }
  html[lang="zh-CN"] .hero h1{
    max-width:680px;
    font-size:64px;
    line-height:1.08;
  }
  .hero-copy{
    max-width:660px;
    font-size:19px;
    line-height:1.62;
  }
  .hero-actions{margin-top:28px}
  .hero-points{margin-top:22px}
  .hero-console{min-height:500px;padding:20px;gap:16px}
  .primary-route strong{font-size:26px}
  .route-steps div{padding:14px}
  .route-steps p{font-size:12px;line-height:1.48}
  .provider-item{width:124px;height:50px;font-size:12px}
  .provider-logo,.provider-logo svg{width:30px;height:30px}
}
@media(max-width:1280px){
  :root{--px:48px}
  .hero-inner{
    padding-top:72px;
    padding-bottom:64px;
    grid-template-columns:minmax(0,1fr) minmax(380px,.92fr);
    gap:34px;
  }
  .hero h1{
    max-width:700px;
    font-size:74px;
    line-height:1.02;
  }
  html[lang="zh-CN"] .hero h1{
    max-width:560px;
    font-size:56px;
    line-height:1.1;
  }
  .hero-copy{
    max-width:610px;
    margin-top:20px;
    font-size:18px;
  }
  .btn-large{min-height:46px;padding:11px 18px}
  .hero-console{min-height:470px;padding:18px}
  .route-card{padding:18px}
  .primary-route strong{font-size:23px}
  .route-steps{gap:10px}
  .route-steps div{padding:12px}
  .route-steps strong{font-size:14px}
  .route-steps p{margin-top:6px;font-size:12px;line-height:1.42}
  .console-bottom strong{font-size:26px}
  .metric-band{padding:28px var(--px)}
  .metric-band div{padding:20px}
  .metric-band strong{font-size:26px}
  .section,.container{padding:72px var(--px)}
  .section h2,.page-head h1,.cta-section h2{font-size:38px;line-height:1.12}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:940px){
  .nav-links{
    display:none;
    position:absolute;
    left:16px;
    right:16px;
    top:72px;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:12px;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:13px 10px}
  .hamburger{display:flex}
  .nav-actions .btn-quiet{display:none}
  .hero{min-height:auto}
  .hero-inner{grid-template-columns:1fr;padding-top:78px}
  .hero h1{font-size:72px}
  html[lang="zh-CN"] .hero h1{font-size:54px;max-width:680px}
  .hero-copy{font-size:20px}
  .hero-console{min-height:0}
  .route-steps{grid-template-columns:1fr 1fr 1fr}
  .metric-band{grid-template-columns:repeat(2,1fr);margin-top:0;padding-top:24px}
  .metric-band div{border-right:1px solid var(--line);border-radius:0!important}
  .feature-grid,.proof-grid,.pricing-grid{grid-template-columns:1fr 1fr}
  .section-split{grid-template-columns:1fr}
  .dash-grid{grid-template-columns:1fr 1fr}
  .dash-row-3{grid-template-columns:1fr}
  .admin-shell{grid-template-columns:1fr}
  .admin-side{
    position:sticky;
    top:var(--header-h);
    z-index:30;
    display:flex;
    align-items:center;
    gap:14px;
    padding:12px var(--px);
    border-right:none;
    border-bottom:1px solid var(--line);
    overflow-x:auto;
  }
  .admin-side-brand{
    margin:0;
    white-space:nowrap;
    font-size:18px;
  }
  .admin-side-nav{
    display:flex;
    gap:6px;
  }
  .admin-side-nav a{
    white-space:nowrap;
  }
  .admin-main{padding:28px var(--px)}
  .admin-panel-head,.admin-topbar,.admin-formbar{align-items:stretch;flex-direction:column}
  .admin-metrics{grid-template-columns:1fr 1fr 1fr}
  .admin-add-form{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  :root{--px:18px;--header-h:66px}
  .nav{min-height:var(--header-h)}
  .nav-actions .btn-primary{display:none}
  .hero h1{font-size:46px}
  html[lang="zh-CN"] .hero h1{font-size:42px;max-width:100%}
  .hero-copy{font-size:18px}
  .hero-inner{padding-top:78px;padding-bottom:64px}
  .hero-console{padding:18px;gap:14px}
  .primary-route strong{font-size:22px}
  .provider-marquee{gap:8px;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
  .provider-sequence{gap:8px;padding-right:8px}
  .provider-item{width:124px;height:48px;padding:8px 10px;gap:8px;font-size:12px}
  .provider-logo,.provider-logo svg{width:28px;height:28px}
  .route-steps,.console-bottom{grid-template-columns:1fr}
  .console-bottom{display:grid}
  .hero-actions .btn{width:100%}
  .metric-band,.feature-grid,.proof-grid,.pricing-grid,.dash-grid{grid-template-columns:1fr}
  .metric-band div{border-radius:0!important}
  .section,.container{padding:56px var(--px)}
  .section h2,.page-head h1,.card h2,.cta-section h2{font-size:32px}
  .pricing-rates-head{align-items:stretch;flex-direction:column}
  .pricing-tools{align-items:stretch}
  .pricing-tool,.pricing-sort-tool{min-width:100%}
  .dash-header h1{font-size:32px}
  .value{font-size:28px}
  .card,.form,.dash-card,.feature-card,.price-card{padding:22px}
  .admin-main{padding:22px var(--px)}
  .admin-topbar h1{font-size:32px}
  .admin-panel{padding:18px}
  .admin-metrics{grid-template-columns:1fr}
  .admin-add-form{grid-template-columns:1fr}
  .admin-settings-form,.admin-sync-form,.admin-price-tools{align-items:stretch;flex-direction:column}
  .admin-form-grid,.admin-publish-settings{grid-template-columns:1fr}
  .admin-search,.admin-page-size{width:100%}
  .admin-pager{align-items:stretch;flex-direction:column}
  .admin-formbar{position:static}
  .admin-price-table{overflow:visible}
  .admin-price-table table,
  .admin-price-table thead,
  .admin-price-table tbody,
  .admin-price-table tr,
  .admin-price-table th,
  .admin-price-table td{
    display:block;
  }
  .admin-price-table thead{display:none}
  .admin-price-table tr{
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:12px;
    padding:12px;
    background:#fff;
  }
  .admin-price-table td{
    border-bottom:none;
    padding:8px 0;
  }
  .admin-price-table td::before{
    content:attr(data-label);
    display:block;
    margin-bottom:5px;
    color:var(--muted);
    font-size:12px;
    font-weight:850;
    text-transform:uppercase;
    letter-spacing:.06em;
  }
  .admin-price-form .table input,
  .admin-price-form .table td:first-child input{
    min-width:0;
  }
  .code-row,.recharge-row{flex-direction:column;align-items:stretch}
  .payment-actions{grid-template-columns:1fr}
  .code-send-btn,.recharge-row .btn,.recharge-row input{width:100%}
  .site-footer{flex-direction:column}
}