:root {
  color-scheme: dark;
  --black: #000000;
  --panel: #101010;
  --surface: #181818;
  --raised: #222222;
  --selected: #2c2c2c;
  --border: #333333;
  --border-strong: #4a4a4a;
  --text: #ffffff;
  --text-secondary: #c7c7c7;
  --text-muted: #8d8d8d;
  --radius-small: 8px;
  --radius: 14px;
  --radius-large: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.auth-mode { background: var(--panel); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 300; padding: 10px 14px; background: var(--text); color: var(--black); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--black); border-bottom: 1px solid var(--border); }
.nav { width: calc(100% - 24px); max-width: none; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 660; letter-spacing: -.01em; white-space: nowrap; }
.nav .brand { gap: 7px; }
.brand img { display: block; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 25px; margin-left: auto; }
.nav-links a, .nav-link-button, .text-button { color: var(--text-secondary); font-size: 14px; }
.nav-links a:hover, .nav-links a:focus-visible, .nav-link-button:hover, .nav-link-button:focus-visible, .text-button:hover { color: var(--text); }
.nav-link-button { padding: 0; background: none; border: 0; cursor: pointer; }
.nav-actions { display: flex; align-items: center; gap: 9px; }
.text-button { display: inline-flex; align-items: center; gap: 7px; padding: 8px 10px; background: var(--black); border: 0; cursor: pointer; }
.text-button svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; }
#language-toggle { padding-right: 2px; }
.auth-nav-button { position: relative; min-height: 38px; padding-inline: 12px; border: 1px solid var(--border); border-radius: var(--radius-small); }
.auth-nav-button:hover { background: var(--surface); border-color: var(--border-strong); }
.auth-nav-button.is-authenticated::after { content: ""; position: absolute; top: 7px; right: 7px; width: 5px; height: 5px; background: var(--text); border-radius: 50%; }

.button {
  min-height: 46px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-small);
  cursor: pointer;
  font-weight: 630;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button:active:not(:disabled) { transform: translateY(0); }
.button:focus-visible, button:focus-visible, a:focus-visible, input:focus-visible, .logo-orb:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.button-primary { background: var(--text); border-color: var(--text); color: var(--black); }
.button-primary:hover { background: #dddddd; border-color: #dddddd; }
.button-secondary { background: var(--surface); color: var(--text); }
.button-secondary:hover:not(:disabled) { background: var(--raised); }
.button-small { min-height: 38px; padding-inline: 14px; font-size: 13px; }
.button-full { width: 100%; }
.button:disabled { cursor: not-allowed; color: var(--text-muted); background: var(--selected); border-color: var(--selected); transform: none; }

.hero { min-height: 1120px; padding: 112px 0 88px; overflow: hidden; border-bottom: 1px solid var(--border); }
.hero-copy { position: relative; z-index: 2; text-align: center; }
.eyebrow { margin: 0 0 18px; color: var(--text-muted); font-size: 12px; font-weight: 720; letter-spacing: .14em; }
.hero h1, .section-heading h2, .pricing-card h2 { margin: 0; letter-spacing: -.045em; line-height: 1.03; }
.hero h1 { max-width: 1050px; margin-inline: auto; font-size: clamp(52px, 7.4vw, 92px); }
.hero-lede { max-width: 850px; margin: 26px auto 0; color: var(--text-secondary); font-size: clamp(18px, 2.1vw, 24px); line-height: 1.55; }
.logo-field-wrap { margin-top: clamp(72px, 8vh, 104px); }
.logo-field { position: relative; width: 100%; height: clamp(330px, 31vw, 370px); overflow: hidden; isolation: isolate; touch-action: pan-y; }
.logo-orb {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  width: var(--size);
  height: var(--size);
  padding: calc(var(--size) * .1);
  display: grid;
  place-items: center;
  background: #f2f2f2;
  border: 1px solid #666666;
  border-radius: 29%;
  transform: translate(-50%, -50%) rotate(var(--rotation));
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  will-change: transform;
}
.logo-orb img { width: 100%; height: 100%; display: block; object-fit: contain; pointer-events: none; }
.logo-orb:hover, .logo-orb:focus-visible {
  z-index: 20;
  background: #ffffff;
  border-color: #ffffff;
  transform: translate(-50%, -50%) translateY(-9px) rotate(0deg) scale(1.28);
}
.logo-label {
  position: absolute;
  left: 50%;
  bottom: -35px;
  z-index: 2;
  width: max-content;
  max-width: 180px;
  padding: 5px 8px;
  color: var(--text);
  background: var(--raised);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 620;
  line-height: 1.2;
  pointer-events: none;
  transform: translateX(-50%) translateY(-3px);
  visibility: hidden;
}
.logo-orb:hover .logo-label, .logo-orb:focus-visible .logo-label { visibility: visible; transform: translateX(-50%) translateY(0); }
.hero-footer { text-align: center; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.trust-row { margin-top: 24px; display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; color: var(--text-muted); font-size: 13px; }
.trust-row span { display: inline-flex; align-items: center; gap: 8px; }
.trust-row span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--text-secondary); }

.proof-band { background: var(--panel); border-bottom: 1px solid var(--border); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { min-height: 150px; padding: 30px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--border); }
.proof-grid > div:first-child { border-left: 1px solid var(--border); }
.proof-grid strong { font-size: clamp(28px, 4vw, 44px); font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.proof-grid span { color: var(--text-muted); font-size: 13px; }

.section { padding-block: 116px; }
.section-inset { background: var(--panel); border-block: 1px solid var(--border); }
.section-heading { max-width: 780px; margin-bottom: 54px; }
.section-heading h2, .pricing-card h2 { font-size: clamp(38px, 5vw, 58px); }
.section-heading > p:last-child { max-width: 660px; margin: 22px 0 0; color: var(--text-secondary); font-size: 17px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 70px; }
.split-heading > p:last-child { margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { position: relative; min-height: 310px; padding: 30px; display: flex; flex-direction: column; overflow: hidden; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-large); transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.feature-card:hover, .feature-card:focus-visible { background: var(--raised); border-color: var(--border-strong); transform: translateY(-8px); outline: none; }
.feature-number { position: absolute; top: 2px; left: -3px; color: #181818; font: 700 clamp(106px, 9vw, 142px)/.82 -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif; letter-spacing: -.08em; transition: color 180ms ease, transform 180ms ease; }
.feature-card:hover .feature-number, .feature-card:focus-visible .feature-number { color: #303030; transform: translateY(-4px); }
.feature-card h3 { position: relative; z-index: 1; margin: auto 0 12px; font-size: 20px; }
.feature-card p { position: relative; z-index: 1; margin: 0; color: var(--text-muted); font-size: 14px; transition: color 180ms ease; }
.feature-card:hover p, .feature-card:focus-visible p { color: var(--text-secondary); }
.coverage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.coverage-grid article { position: relative; min-height: 280px; padding: 30px 28px 98px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-large); transition: transform 190ms ease, background 190ms ease, border-color 190ms ease; }
.coverage-grid article:hover, .coverage-grid article:focus-visible { background: var(--raised); border-color: var(--border-strong); transform: translateY(-6px); outline: none; }
.coverage-grid h3 { margin: 0 0 15px; font-size: 36px; line-height: 1.05; letter-spacing: -.04em; }
.coverage-tools { display: grid; gap: 2px; margin: 0; color: var(--text-muted); font-size: 13px; line-height: 1.45; }
.coverage-tools span { display: block; overflow: hidden; white-space: nowrap; }
.coverage-icons { position: absolute; left: 28px; bottom: 22px; display: flex; align-items: flex-end; visibility: hidden; transform: translateY(88px); transition: transform 220ms cubic-bezier(.2, .8, .2, 1); }
.coverage-grid article:hover .coverage-icons, .coverage-grid article:focus-visible .coverage-icons { visibility: visible; transform: translateY(0); }
.coverage-icons img { width: 48px; height: 48px; padding: 0; display: block; object-fit: contain; border: 0; border-radius: 12px; }
.coverage-icons img + img { margin-left: -7px; }
.coverage-icons img:nth-child(2) { transform: translateY(-7px); }
.coverage-icons img:nth-child(3) { transform: translateY(-2px); }

.platform-heading { max-width: 820px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.platform-card { min-height: 370px; padding: 34px; display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-large); }
.platform-card.available { border-color: var(--border-strong); }
.platform-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.platform-icon { width: 58px; height: 58px; display: grid; place-items: center; background: var(--text); border-radius: 15px; color: var(--black); }
.platform-icon svg { width: 32px; height: 32px; fill: currentColor; }
.status-badge { padding: 6px 9px; background: var(--raised); border: 1px solid var(--border); border-radius: 7px; color: var(--text-secondary); font-size: 11px; font-weight: 650; }
.platform-card h3 { margin: 64px 0 10px; font-size: 30px; letter-spacing: -.03em; }
.platform-card p { max-width: 480px; margin: 0 0 28px; color: var(--text-muted); }
.platform-card .button { margin-top: auto; }

.pricing-section { padding-inline: 24px; background: var(--panel); border-block: 1px solid var(--border); }
.pricing-card { padding: 52px; display: grid; grid-template-columns: 1fr 360px; gap: 80px; background: var(--black); border: 1px solid var(--border); border-radius: var(--radius-large); }
.pricing-card > div > p:not(.eyebrow) { color: var(--text-secondary); }
.pricing-card ul { margin: 28px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; color: var(--text-secondary); }
.pricing-card li::before { content: "✓"; margin-right: 10px; color: var(--text); }
.price-panel { padding: 28px; align-self: stretch; display: flex; flex-direction: column; justify-content: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.price { display: grid; grid-template-columns: auto auto 1fr; align-items: baseline; gap: 6px; margin-bottom: 24px; }
.price small { font-size: 20px; }
.price strong { font-size: 58px; line-height: 1; }
.price span { color: var(--text-muted); font-size: 12px; }
.price-panel > p { margin: 14px 0 0; color: var(--text-muted); font-size: 12px; text-align: center; }

.contact-reply { margin: 18px 0 0; color: var(--text-muted); font-size: 12px; text-align: center; }

.faq-list { max-width: 900px; border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font-size: 17px; font-weight: 620; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--text-muted); font-size: 24px; font-weight: 300; }
details[open] summary::after { content: "−"; }
details p { max-width: 740px; margin: -4px 0 26px; color: var(--text-muted); }

.site-footer { border-top: 1px solid var(--border); }
.footer-grid { min-height: 170px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; color: var(--text-muted); font-size: 13px; }
.footer-grid .brand { color: var(--text); }
.footer-grid > p { margin: 0; }
.footer-links { display: flex; align-items: center; gap: 22px; }
.footer-links button { padding: 0; color: inherit; background: none; border: 0; cursor: pointer; }
.footer-links a:hover, .footer-links button:hover { color: var(--text); }
.copyright { grid-column: 1 / -1; padding-bottom: 28px; }

.purchase-dialog, .contact-dialog { max-height: calc(100vh - 32px); padding: 0; overflow: auto; color: var(--text); background: var(--black); border: 1px solid var(--border-strong); border-radius: var(--radius-large); }
.purchase-dialog { width: min(960px, calc(100% - 32px)); }
.contact-dialog { width: min(680px, calc(100% - 32px)); }
.purchase-dialog::backdrop, .contact-dialog::backdrop { background: #000000; }
.dialog-card { position: relative; padding: 38px; }
.contact-dialog-card { position: relative; padding: 38px; }
.dialog-close { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; padding: 0; display: grid; place-items: center; color: var(--text-secondary); background: var(--surface); border: 1px solid var(--border); border-radius: 9px; cursor: pointer; font-size: 0; line-height: 0; }
.dialog-close::before, .dialog-close::after { content: ""; position: absolute; top: 50%; left: 50%; width: 12px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%) rotate(45deg); }
.dialog-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
.dialog-heading { padding-right: 50px; }
.dialog-heading h2 { margin: 0; font-size: 34px; letter-spacing: -.035em; }
.dialog-heading > p:last-child { max-width: 650px; margin: 12px 0 0; color: var(--text-muted); }
.contact-dialog-list { margin-top: 28px; display: grid; gap: 12px; }
.contact-dialog-row { min-height: 74px; padding: 14px 16px; display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; align-items: center; gap: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.contact-dialog-row > span { color: var(--text-muted); font-size: 12px; }
.contact-dialog-row strong { overflow-wrap: anywhere; font-size: 14px; }
.contact-dialog-row .button { min-height: 38px; padding-inline: 14px; font-size: 12px; }
.checkout-grid { margin-top: 32px; display: grid; grid-template-columns: minmax(300px, 340px) 1fr; gap: 20px; align-items: stretch; }
.qr-panel, .claim-panel { padding: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.alipay-card { width: 100%; padding: 22px 16px 18px; color: #000000; background: #1677ff; border-radius: 25px; }
.alipay-brand { width: 48%; min-width: 132px; height: 38px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; gap: 7px; background: #ffffff; border-radius: 999px; font-size: 19px; line-height: 1; }
.alipay-brand b { color: #1677ff; font-size: 28px; font-weight: 780; transform: skew(-7deg); }
.alipay-card-inner { min-height: 390px; padding: 30px 18px 24px; display: flex; flex-direction: column; align-items: center; background: #ffffff; border-radius: 25px; }
#payment-qr, .qr-placeholder { width: min(100%, 232px); aspect-ratio: 1; border-radius: 0; }
#payment-qr { display: block; object-fit: contain; background: #ffffff; }
.qr-placeholder { padding: 24px; display: grid; place-content: center; gap: 10px; text-align: center; color: #111111; background: #f1f1f1; border: 1px solid #d5d5d5; }
.qr-placeholder span { font: 700 34px/1 "SF Mono", Menlo, monospace; }
.qr-placeholder p { margin: 0; color: #666666; font-size: 12px; }
#open-alipay { margin-top: 12px; }
.alipay-amount { margin: 18px 0 13px; color: #1677ff; font-size: clamp(27px, 3vw, 32px); font-weight: 500; line-height: 1; letter-spacing: -.04em; }
.alipay-product { width: 100%; min-width: 0; display: flex; align-items: center; justify-content: center; gap: 8px; white-space: normal; }
.alipay-product > span { flex: 0 0 auto; padding: 5px 10px; color: #ffffff; background: #1677ff; border-radius: 999px; font-size: 12px; line-height: 1; }
.alipay-product strong { min-width: 0; max-width: calc(100% - 62px); font-size: 15px; font-weight: 500; line-height: 1.18; letter-spacing: -.02em; overflow-wrap: anywhere; text-align: center; }
html[lang="en"] .alipay-product strong { font-size: 12.5px; }
.claim-panel { display: grid; align-content: center; gap: 17px; }
.claim-panel.is-disabled label,
.claim-panel.is-disabled { color: var(--text-muted); }
.checkout-unavailable { margin: 0; padding: 12px; color: var(--text-secondary); background: var(--raised); border: 1px solid var(--border-strong); border-radius: 8px; font-size: 12px; }
.claim-panel label { display: grid; gap: 7px; color: var(--text-secondary); font-size: 13px; }
.claim-panel input[type="email"], .claim-panel input:not([type]) { width: 100%; height: 44px; padding: 0 12px; color: var(--text); background: var(--panel); border: 1px solid var(--border-strong); border-radius: 8px; }
.claim-panel input:disabled { color: var(--text-muted); background: var(--raised); cursor: not-allowed; }
.claim-panel input::placeholder { color: var(--text-muted); }
.form-status { margin: 0; font-size: 12px; }
.form-status:empty { display: none; }
.form-status.success { color: var(--text); }
.form-status.error { color: var(--text-muted); }

.payment-review-panel { margin-top: 32px; padding: 38px 34px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-large); text-align: center; }
.review-spinner { width: 46px; height: 46px; margin: 0 auto 18px; display: block; border: 3px solid var(--border-strong); border-top-color: var(--text); border-radius: 50%; animation: review-spin .85s linear infinite; }
.payment-review-panel h3 { margin: 0; font-size: 28px; letter-spacing: -.03em; }
.review-message { max-width: 610px; margin: 14px auto 0; color: var(--text-muted); font-size: 14px; line-height: 1.6; }
#payment-review-status { margin-top: 14px; }
@keyframes review-spin { to { transform: rotate(360deg); } }

.voucher-panel { margin-top: 32px; padding: 34px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-large); text-align: center; }
.voucher-success { width: 46px; height: 46px; margin: 0 auto 18px; display: grid; place-items: center; background: var(--text); color: var(--black); border-radius: 50%; font-size: 22px; font-weight: 750; }
.voucher-panel h3 { margin: 0; font-size: 28px; letter-spacing: -.03em; }
.voucher-code-row { max-width: 730px; margin: 26px auto 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
#voucher-code { min-height: 52px; padding: 13px 14px; display: flex; align-items: center; overflow-wrap: anywhere; color: var(--text); background: var(--panel); border: 1px solid var(--border-strong); border-radius: 8px; text-align: left; font: 600 12px/1.5 "SF Mono", Menlo, monospace; user-select: all; }
.voucher-warning { max-width: 660px; margin: 20px auto; color: var(--text-secondary); font-size: 14px; }
#voucher-download { margin-top: 4px; }
#voucher-copy-status { margin-top: 14px; }

.auth-page {
  position: relative;
  width: 100%;
  min-height: 100vh;
  color: var(--text);
  background: var(--panel);
}
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(500px, 1fr) minmax(480px, 1fr); }
.auth-panel { min-width: 0; display: flex; flex-direction: column; overflow-y: auto; background: var(--panel); border-right: 1px solid var(--border); }
.auth-topbar { min-height: 78px; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.auth-topbar-actions { display: flex; align-items: center; gap: 10px; }
.auth-language-button { min-height: 34px; padding-inline: 8px; }
.auth-page-language { position: absolute; top: 20px; right: 24px; z-index: 10; }
.auth-site-back { min-height: 34px; padding: 0 11px; display: inline-flex; align-items: center; gap: 7px; color: var(--text-secondary); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 12px; }
.auth-site-back:hover { color: var(--text); border-color: var(--border-strong); }
.auth-site-back span:first-child { font-size: 16px; }
.auth-stage { width: min(470px, calc(100% - 56px)); margin: auto; padding: 52px 0; }
.auth-step[data-auth-step="email"] { transform: translateY(clamp(-56px, -5vh, -38px)); }
.auth-step h2 { max-width: 450px; margin: 0; font-size: clamp(38px, 4.2vw, 54px); line-height: 1.02; letter-spacing: -.045em; }
.auth-lede { max-width: 430px; margin: 18px 0 0; color: var(--text-muted); font-size: 15px; }
.auth-lede strong { color: var(--text); overflow-wrap: anywhere; }
.auth-form { margin-top: 34px; display: grid; gap: 17px; }
.auth-field { display: grid; gap: 8px; color: var(--text-secondary); font-size: 13px; }
.auth-field input { width: 100%; height: 54px; padding: 0 15px; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px; }
.auth-field input::placeholder { color: var(--text-muted); }
.auth-field input:focus { background: var(--raised); border-color: var(--text-secondary); }
.auth-field input:focus-visible { outline: 0; outline-offset: 0; border-color: var(--text); }
.auth-remember { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 13px; cursor: pointer; }
.auth-remember input { width: 16px; height: 16px; margin: 0; accent-color: var(--text); }
.auth-privacy { margin: 0; color: var(--text-muted); font-size: 11px; line-height: 1.55; text-align: center; }
.auth-back, .auth-resend { padding: 0; color: var(--text-secondary); background: none; border: 0; cursor: pointer; font-size: 13px; }
.auth-back { margin-bottom: 38px; display: inline-flex; align-items: center; gap: 8px; }
.auth-back span:first-child { font-size: 18px; }
.auth-back:hover, .auth-resend:hover:not(:disabled) { color: var(--text); }
.auth-code-input { font: 700 25px/1 "SF Mono", Menlo, monospace; letter-spacing: .26em; font-variant-numeric: tabular-nums; }
.auth-dev-code { margin: -5px 0 0; padding: 10px 12px; color: var(--text-secondary); background: var(--raised); border: 1px solid var(--border); border-radius: 8px; font: 500 11px/1.5 "SF Mono", Menlo, monospace; }
.auth-resend { min-height: 34px; justify-self: center; }
.auth-resend:disabled { color: var(--text-muted); cursor: default; }

.account-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 22px; }
.auth-account .auth-lede { margin-top: 10px; overflow-wrap: anywhere; }
.account-summary { min-height: 68px; margin-top: 30px; padding: 15px 17px; display: flex; align-items: center; justify-content: space-between; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.account-summary span { color: var(--text-muted); font-size: 12px; }
.account-summary strong { font-size: 26px; }
.admin-toolbar { margin-top: 30px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.admin-toolbar .account-summary { margin-top: 0; }
.admin-toolbar > .button { min-height: 68px; }
.order-state { margin-top: 14px; padding: 30px; color: var(--text-muted); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; font-size: 13px; }
.order-state strong { display: block; color: var(--text); font-size: 17px; }
.order-state p { margin: 8px auto 20px; max-width: 340px; }
.order-list { max-height: 330px; margin-top: 14px; padding-right: 4px; display: grid; gap: 10px; overflow-y: auto; }
.order-card { padding: 17px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.order-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.order-card-head strong { font-size: 15px; }
.order-card-head span { color: var(--text-muted); font-size: 11px; white-space: nowrap; }
.order-meta { margin: 9px 0 14px; display: flex; gap: 14px; flex-wrap: wrap; color: var(--text-muted); font-size: 11px; }
.order-voucher { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.order-voucher code { min-height: 42px; padding: 10px 11px; overflow: hidden; color: var(--text-secondary); background: var(--panel); border: 1px solid var(--border); border-radius: 8px; font: 500 11px/1.5 "SF Mono", Menlo, monospace; text-overflow: ellipsis; white-space: nowrap; }
.order-voucher .button { min-height: 42px; padding-inline: 13px; font-size: 11px; }
.order-actions { margin-top: 9px; display: flex; justify-content: flex-end; }
.order-actions a { color: var(--text-secondary); font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }
.admin-claim-list { max-height: 390px; }
.admin-claim-details { margin: 10px 0 14px; display: grid; gap: 6px; color: var(--text-muted); font-size: 11px; }
.admin-claim-details span { overflow-wrap: anywhere; }
.admin-claim-actions { display: flex; justify-content: flex-end; }
.admin-claim-actions .button { min-height: 38px; font-size: 11px; }

.auth-visual { position: relative; min-width: 0; overflow: hidden; background: var(--black); }
.auth-motion-stage { position: absolute; inset: 0; transform: translateY(clamp(44px, 5vh, 64px)); }
.auth-grid-lines { position: absolute; inset: 0; }
.auth-grid-lines span { position: absolute; display: block; background: #202020; }
.auth-grid-lines span:nth-child(-n+4) { top: 0; bottom: 0; width: 1px; }
.auth-grid-lines span:nth-child(1) { left: 20%; }
.auth-grid-lines span:nth-child(2) { left: 40%; }
.auth-grid-lines span:nth-child(3) { left: 60%; }
.auth-grid-lines span:nth-child(4) { left: 80%; }
.auth-grid-lines span:nth-child(n+5) { left: 0; right: 0; height: 1px; }
.auth-grid-lines span:nth-child(5) { top: 20%; }
.auth-grid-lines span:nth-child(6) { top: 40%; }
.auth-grid-lines span:nth-child(7) { top: 60%; }
.auth-grid-lines span:nth-child(8) { top: 80%; }
.auth-orbit { position: absolute; left: 50%; top: 42%; z-index: 0; border: 1px solid #343434; border-radius: 50%; transform: translate(-50%, -50%); }
.auth-orbit::before, .auth-orbit::after { content: ""; position: absolute; background: var(--text); border-radius: 50%; }
.auth-orbit::before { width: 6px; height: 6px; left: 15%; top: 8%; }
.auth-orbit::after { width: 4px; height: 4px; right: 7%; bottom: 24%; }
.auth-orbit-one { width: 390px; height: 390px; animation: auth-spin 18s linear infinite; }
.auth-orbit-two { width: 520px; height: 520px; border-color: #242424; animation: auth-spin-reverse 26s linear infinite; }
.auth-command-window { position: absolute; left: 50%; top: 42%; z-index: 2; width: min(440px, 68%); padding: 15px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 18px; transform: translate(-50%, -50%) rotate(-2deg); animation: auth-board-float 5.4s ease-in-out infinite; }
.auth-command-title { min-height: 30px; display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 9px; font-weight: 720; letter-spacing: .13em; }
.auth-command-title span { margin-right: auto; }
.auth-command-title b { width: 5px; height: 5px; display: block; background: var(--border-strong); border-radius: 50%; }
.auth-command-row { min-height: 58px; padding: 9px 10px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 12px; }
.auth-command-row > div { display: flex; gap: 5px; }
.auth-command-row kbd { min-width: 29px; height: 29px; padding-inline: 7px; display: grid; place-items: center; color: var(--text); background: var(--panel); border: 1px solid var(--border-strong); border-bottom-width: 3px; border-radius: 7px; font: 650 11px/1 "SF Mono", Menlo, monospace; }
.auth-key-orbit { position: absolute; left: 50%; top: 42%; z-index: 1; width: var(--orbit-diameter); height: var(--orbit-diameter); margin: calc(var(--orbit-diameter) / -2) 0 0 calc(var(--orbit-diameter) / -2); pointer-events: none; animation: auth-key-orbit var(--orbit-duration) linear infinite var(--orbit-delay) var(--orbit-direction, normal), auth-key-reveal 620ms ease-out both var(--reveal-delay, 0ms); }
.auth-keycap { position: absolute; right: calc(var(--key-size, 48px) / -2); top: 50%; width: var(--key-size, 48px); height: var(--key-size, 48px); margin-top: calc(var(--key-size, 48px) / -2); padding: 0; display: grid; place-items: center; color: var(--black); background: var(--text); border: 1px solid var(--text); border-bottom: 4px solid #bcbcbc; border-radius: calc(var(--key-size, 48px) * .25); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif; font-size: var(--key-font-size, 28px); font-weight: 570; line-height: 1; animation-name: auth-key-counter-orbit, auth-key-float, auth-key-breathe; animation-duration: var(--orbit-duration), var(--float-duration, 5s), var(--breathe-duration, 6s); animation-timing-function: linear, ease-in-out, ease-in-out; animation-iteration-count: infinite, infinite, infinite; animation-delay: var(--orbit-delay), var(--float-delay, 0s), var(--breathe-delay, -1s); animation-direction: var(--orbit-direction, normal), normal, alternate; }
.auth-key-orbit-command { --orbit-diameter: 560px; --orbit-duration: 34s; --orbit-delay: -.8s; --reveal-delay: 40ms; }
.auth-key-orbit-spacebar { --orbit-diameter: 650px; --orbit-duration: 47s; --orbit-delay: -41.5s; --orbit-direction: reverse; --reveal-delay: 100ms; }
.auth-key-orbit-option { --orbit-diameter: 500px; --orbit-duration: 39s; --orbit-delay: -8.7s; --reveal-delay: 160ms; }
.auth-key-orbit-alt { --orbit-diameter: 610px; --orbit-duration: 43s; --orbit-delay: -28.9s; --orbit-direction: reverse; --reveal-delay: 220ms; }
.auth-key-orbit-control { --orbit-diameter: 720px; --orbit-duration: 57s; --orbit-delay: -24.5s; --reveal-delay: 280ms; }
.auth-key-orbit-shift { --orbit-diameter: 470px; --orbit-duration: 37s; --orbit-delay: -17.2s; --orbit-direction: reverse; --reveal-delay: 130ms; }
.auth-key-orbit-escape { --orbit-diameter: 680px; --orbit-duration: 51s; --orbit-delay: -32.6s; --reveal-delay: 340ms; }
.auth-key-orbit-return { --orbit-diameter: 540px; --orbit-duration: 41s; --orbit-delay: -10.5s; --orbit-direction: reverse; --reveal-delay: 190ms; }
.auth-key-orbit-delete { --orbit-diameter: 760px; --orbit-duration: 61s; --orbit-delay: -51.9s; --reveal-delay: 400ms; }
.auth-key-orbit-arrows { --orbit-diameter: 630px; --orbit-duration: 49s; --orbit-delay: -2.5s; --orbit-direction: reverse; --reveal-delay: 460ms; }
.auth-keycap-command { --key-size: 56px; --key-font-size: 33px; --key-tilt: -11deg; --float-delay: -2.1s; --breathe-duration: 6.2s; --breathe-delay: -1.4s; }
.auth-keycap-spacebar { --key-size: 52px; --key-font-size: 35px; --key-tilt: 5deg; --float-delay: -1.7s; --breathe-duration: 5.4s; --breathe-delay: -3.2s; padding-bottom: 6px; }
.auth-keycap-option { --key-size: 54px; --key-font-size: 35px; --key-tilt: 9deg; --float-delay: -3.1s; --breathe-duration: 6.8s; --breathe-delay: -4.6s; }
.auth-keycap-alt { --key-size: 50px; --key-font-size: 34px; --key-tilt: -8deg; --float-delay: -2.2s; --breathe-duration: 5.9s; --breathe-delay: -2.1s; }
.auth-keycap-control { --key-size: 38px; --key-font-size: 25px; --key-tilt: 4deg; --float-delay: -3.8s; --breathe-duration: 7.1s; --breathe-delay: -5.3s; }
.auth-keycap-shift { --key-size: 44px; --key-font-size: 28px; --key-tilt: -10deg; --float-delay: -.9s; --breathe-duration: 5.6s; --breathe-delay: -3.7s; }
.auth-keycap-escape { --key-size: 42px; --key-font-size: 25px; --key-tilt: 7deg; --float-delay: -2.7s; --breathe-duration: 6.4s; --breathe-delay: -.8s; }
.auth-keycap-return { --key-size: 46px; --key-font-size: 29px; --key-tilt: -6deg; --float-delay: -4.1s; --breathe-duration: 5.7s; --breathe-delay: -4.4s; }
.auth-keycap-delete { --key-size: 40px; --key-font-size: 25px; --key-tilt: -9deg; --float-delay: -1.3s; --breathe-duration: 7.3s; --breathe-delay: -2.8s; }
.auth-keycap-arrows { --key-size: 36px; --key-font-size: 21px; --key-tilt: 11deg; --float-delay: -3.4s; --breathe-duration: 6s; --breathe-delay: -5.1s; }

@keyframes auth-board-float { 0%, 100% { transform: translate(-50%, -50%) translateY(0) rotate(-2deg); } 50% { transform: translate(-50%, -50%) translateY(-10px) rotate(1deg); } }
@keyframes auth-key-orbit { to { transform: rotate(360deg); } }
@keyframes auth-key-reveal { from { opacity: 0; } to { opacity: 1; } }
@keyframes auth-key-counter-orbit { from { transform: rotate(var(--key-tilt, 0deg)); } to { transform: rotate(calc(var(--key-tilt, 0deg) - 360deg)); } }
@keyframes auth-key-float { 0%, 100% { margin-top: calc(var(--key-size, 48px) / -2); } 50% { margin-top: calc(var(--key-size, 48px) / -2 - 8px); } }
@keyframes auth-key-breathe { from { opacity: .76; } to { opacity: 1; } }
@keyframes auth-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes auth-spin-reverse { to { transform: translate(-50%, -50%) rotate(-360deg); } }

@media (max-width: 1040px) {
  .nav-links { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card { grid-template-columns: 1fr; gap: 42px; }
  .price-panel { max-width: 460px; }
  .auth-shell { grid-template-columns: minmax(460px, 1fr) minmax(360px, .8fr); }
}

@media (max-width: 880px) {
  .auth-shell { display: block; }
  .auth-panel { min-height: 100%; border-right: 0; }
  .auth-visual { display: none; }
  .auth-topbar { padding-right: 66px; }
  .auth-page-language { top: 16px; right: 18px; padding-inline: 9px; }
  .auth-page-language span { display: none; }
  .auth-step[data-auth-step="email"] { transform: none; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 32px, var(--container)); }
  .nav { min-height: 62px; }
  .site-header .nav { width: calc(100% - 24px); }
  .nav-actions .button { display: none; }
  #language-toggle span { display: none; }
  .auth-nav-button { min-width: 38px; padding-inline: 10px; }
  .auth-nav-button span { display: none; }
  .hero { min-height: 980px; padding: 72px 0 66px; }
  .hero h1 { font-size: 46px; }
  html[lang="zh-CN"] .hero h1 { font-size: 40px; line-height: 1.12; }
  .hero-lede { font-size: 17px; }
  .logo-field-wrap { margin-top: 52px; }
  .logo-field { height: 390px; }
  .logo-orb:hover, .logo-orb:focus-visible { transform: translate(-50%, -50%) translateY(-6px) rotate(0deg) scale(1.18); }
  .hero-actions .button { width: 100%; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid > div { min-height: 125px; padding: 22px; }
  .proof-grid > div:nth-child(odd) { border-left: 1px solid var(--border); }
  .proof-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .section { padding-block: 82px; }
  .split-heading { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid, .coverage-grid, .platform-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 230px; }
  .coverage-icons { visibility: visible; transform: translateY(0); }
  .platform-card { min-height: 330px; }
  .pricing-section { padding-inline: 0; }
  .pricing-card { padding: 28px; }
  .section-heading h2, .pricing-card h2 { font-size: 38px; }
  .footer-grid { padding-block: 42px; grid-template-columns: 1fr; gap: 16px; }
  .copyright { grid-column: auto; padding: 0; }
  .dialog-card, .contact-dialog-card { padding: 28px 18px; }
  .dialog-heading h2 { font-size: 28px; }
  .checkout-grid { grid-template-columns: 1fr; }
  .qr-panel { width: min(100%, 360px); max-width: none; margin-inline: auto; }
  .dialog-close { top: 12px; right: 12px; }
  .contact-dialog-row { grid-template-columns: 1fr; align-items: start; }
  .contact-dialog-row .button { width: 100%; }
  .voucher-code-row { grid-template-columns: 1fr; }
  .auth-topbar { min-height: 66px; padding: 15px 18px; }
  .auth-language-button span { display: none; }
  .auth-stage { width: calc(100% - 36px); padding: 42px 0; }
  .auth-step h2 { font-size: 38px; }
  .account-heading { display: grid; }
  .account-heading .button { justify-self: start; }
  .admin-toolbar { grid-template-columns: 1fr; }
  .admin-toolbar > .button { min-height: 42px; }
  .order-list { max-height: calc(100vh - 390px); }
  .order-voucher { grid-template-columns: 1fr; }
}

@media (hover: none) {
  .coverage-icons { visibility: visible; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .auth-command-window, .auth-key-orbit, .auth-keycap, .auth-orbit, .review-spinner { animation: none !important; }
}