@font-face {
  font-family: "Geist";
  src: url("/assets/geist-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --black: #0A0A0A;
  --panel: #141414;
  --off: #F5F4EF;
  --muted: #B1AFA8;
  --line: #2A2A2A;
  --coral: #FF6B6B;
  --body-font: "Geist", "Söhne", "PingFang SC", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--black); color: var(--off); font: 400 17px/1.65 var(--body-font); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-underline-offset: 4px; }
img { display: block; max-width: 100%; height: auto; }
figure, p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { font-weight: 500; line-height: 1.08; letter-spacing: -.045em; }
h2 { font-size: clamp(36px, 4.8vw, 66px); }
h3 { font-size: 28px; letter-spacing: -.025em; }
p { text-wrap: pretty; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--coral); outline-offset: 6px; border-radius: 3px; }
::selection { background: var(--coral); color: var(--black); }
[hidden] { display: none !important; }
.container { width: min(1248px, calc(100% - 96px)); margin-inline: auto; }
.wide-container { width: min(1440px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 12px; background: var(--off); color: var(--black); padding: 12px 18px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { background: var(--black); position: relative; z-index: 5; }
.header-inner { min-height: 108px; display: flex; gap: 32px; align-items: center; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; min-height: 56px; padding-block: 8px; }
.brand img { width: 144px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.main-nav a { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; color: var(--off); }
.main-nav a:hover { color: var(--coral); }
.header-actions { display: flex; gap: 20px; align-items: center; }
.language-switch { display: flex; align-items: center; flex: 0 0 auto; gap: 0; }
.language-switch button { background: transparent; border: none; min-width: 44px; min-height: 44px; padding: 6px; color: var(--muted); cursor: pointer; font-size: 12px; }
.language-switch button[aria-pressed="true"] { color: var(--off); }
.language-switch span { color: var(--line); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 56px; padding: 15px 27px; background: var(--coral); border: 1px solid var(--coral); border-radius: 10px; color: var(--black); font-size: 15px; font-weight: 600; line-height: 1.3; text-decoration: none; transition: filter .18s ease; }
.button:hover { filter: brightness(1.08); }
.button-small { min-height: 44px; padding: 10px 20px; font-size: 14px; }
.button span[aria-hidden="true"] { font-size: 20px; line-height: 1; font-weight: 400; }
.text-link { display: inline-flex; align-items: center; gap: 22px; min-height: 44px; font-size: 15px; line-height: 1.4; font-weight: 500; text-decoration: none; }
.text-link span[aria-hidden="true"] { color: var(--coral); font-size: 22px; font-weight: 400; }
.text-link:hover { color: var(--coral); }
.button-row { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 24px 32px; }
.main-nav .mobile-contact { display: none; }
.menu-toggle { width: 44px; height: 44px; position: relative; background: none; color: var(--off); border: 1px solid var(--line); border-radius: 10px; padding: 0; cursor: pointer; }
.menu-toggle span { position: absolute; left: 12px; width: 18px; height: 1px; background: currentColor; transition: transform .18s ease; }
.menu-toggle span:first-child { top: 16px; }
.menu-toggle span:last-child { top: 24px; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.eyebrow { color: var(--muted); font-size: 13px; line-height: 1.5; letter-spacing: .015em; font-weight: 500; }
.hero-copy { text-align: center; padding: 76px 0 64px; }
.hero h1 { max-width: 1180px; margin: 28px auto 30px; font-size: clamp(58px, 8.7vw, 124px); line-height: 1.02; letter-spacing: -.065em; font-weight: 500; }
.hero h1 > span { display: block; }
.hero h1 em { font-family: "PP Editorial New", "Iowan Old Style", "Baskerville", Georgia, serif; font-weight: 400; letter-spacing: -.065em; }
.hero-intro { max-width: 620px; margin-inline: auto; color: var(--muted); font-size: 19px; line-height: 1.6; }
.hero-actions { margin-top: 32px; }
.hero-visual img { width: 100%; aspect-ratio: 2.15; object-fit: cover; object-position: center; border-radius: 14px; background: var(--panel); }
.hero-visual figcaption { display: flex; justify-content: space-between; gap: 16px; margin-top: 16px; font-size: 11px; line-height: 1.5; color: var(--muted); }
.section { padding-block: 124px; }
.section-heading { max-width: 790px; margin-bottom: 60px; }
.section-heading h2 { margin-top: 18px; }
.section-intro { margin-top: 24px; max-width: 610px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.paths-section { padding-top: 128px; }
.partner-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px 40px; }
.partner-card { min-width: 0; }
.partner-card > img { width: 100%; aspect-ratio: 1.4; object-fit: cover; border-radius: 12px; background: var(--panel); }
.partner-copy { padding-top: 26px; max-width: 550px; }
.category { font-size: 12px; font-weight: 500; color: var(--muted); margin-bottom: 12px; }
.partner-copy h3 { line-height: 1.18; }
.partner-copy > p:not(.category) { margin-top: 15px; color: var(--muted); font-size: 16px; }
.partner-copy .text-link { margin-top: 14px; }
.earnings-section { border-top: 1px solid var(--line); }
.earnings-section .section-heading { max-width: 850px; }
.earnings-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.earnings-inputs, .earnings-result { padding: 48px; min-width: 0; }
.earnings-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.currency-label { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.earnings-inputs input, .earnings-inputs select { font: inherit; color: var(--off); background: var(--panel); border: 1px solid #85847E; border-radius: 8px; min-height: 48px; min-width: 0; max-width: 100%; padding: 10px 14px; font-variant-numeric: tabular-nums; }
.earnings-inputs select { font-size: 14px; cursor: pointer; }
.earnings-field + .earnings-field { margin-top: 30px; }
.earnings-field label { display: block; font-size: 16px; line-height: 1.5; font-weight: 500; }
.earnings-field-top { display: flex; align-items: center; gap: 20px; justify-content: space-between; }
.earnings-field-top input { width: 108px; flex: 0 0 108px; }
.earnings-inputs input[type="range"] { display: block; width: 100%; height: 44px; min-height: 44px; padding: 0; margin: 16px 0 0; accent-color: var(--coral); cursor: pointer; border: 0; background: transparent; }
.range-endpoints { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.field-help { color: var(--muted); font-size: 13px; line-height: 1.65; margin-top: 12px; }
.amount-input { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.amount-input > span { font-size: 14px; color: var(--muted); }
.amount-input input { flex: 1; width: 100%; }
.rate-input { max-width: 200px; }
.currency-note { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.earnings-error { color: #F06464; font-size: 14px; margin-top: 24px; }
.earnings-inputs input[aria-invalid="true"] { border-color: #F06464; }
.earnings-result { background: var(--panel); display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--line); }
.earnings-result-toolbar { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.earnings-period-label { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 13px; max-width: 100%; }
.earnings-period-label select { max-width: 100%; min-width: 0; min-height: 48px; border: 1px solid #85847E; border-radius: 8px; background: var(--panel); color: var(--off); padding: 10px 14px; font: 400 14px/1.5 var(--body-font); cursor: pointer; }
.earnings-total { margin-top: 32px; font-variant-numeric: tabular-nums; }
.earnings-total > span:first-child { display: block; font-size: 18px; color: var(--muted); }
.earnings-total output { display: block; color: var(--coral); font-size: clamp(42px, 4.7vw, 68px); line-height: 1.2; letter-spacing: -.055em; font-weight: 500; overflow-wrap: anywhere; margin: 8px 0; }
.earnings-period { font-size: 15px; color: var(--muted); }
.earnings-result-note { margin-top: 22px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.earnings-breakdown { margin: 32px 0 0; font-size: 14px; }
.earnings-breakdown > div { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.earnings-breakdown dt { color: var(--muted); }
.earnings-breakdown dd { margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.earnings-formula { padding-top: 20px; border-top: 1px solid var(--line); }
.earnings-formula > p:last-child { margin-top: 10px; font-size: 14px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.earnings-result .button { margin-top: 32px; align-self: flex-start; }
.earnings-assumptions { margin-top: 28px; border-bottom: 1px solid var(--line); }
.earnings-assumptions summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 60px; padding: 16px 0; cursor: pointer; list-style: none; font-size: 15px; }
.earnings-assumptions summary::-webkit-details-marker { display: none; }
.earnings-assumptions > div { max-width: 1000px; padding-bottom: 24px; color: var(--muted); font-size: 14px; }
.earnings-assumptions p + p { margin-top: 14px; }
.support-section { border-block: 1px solid var(--line); }
.support-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 80px; }
.support-visual { align-self: stretch; min-width: 0; }
.support-visual img { width: 100%; height: 100%; max-height: 760px; min-height: 520px; aspect-ratio: .86; object-fit: cover; border-radius: 12px; background: var(--panel); }
.support-copy { min-width: 0; }
.support-copy h2 { margin-top: 18px; font-size: clamp(36px, 4.1vw, 58px); }
.support-copy .section-intro { margin-top: 22px; }
.support-points { list-style: none; padding: 0; margin: 30px 0 0; }
.support-points li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.number { color: var(--muted); font: 12px/1.7 "Geist Mono", "SFMono-Regular", Consolas, monospace; font-variant-numeric: tabular-nums; }
.support-points h3 { font-size: 20px; line-height: 1.25; letter-spacing: -.02em; }
.support-points p { color: var(--muted); font-size: 14px; line-height: 1.65; margin-top: 10px; }
.process-section .section-heading { max-width: 800px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.steps li { border-top: 1px solid var(--line); padding-top: 24px; }
.step-number { display: block; margin-bottom: 32px; font: 16px/1.5 "Geist Mono", "SFMono-Regular", Consolas, monospace; color: var(--muted); font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 25px; line-height: 1.2; max-width: 300px; }
.steps p { margin-top: 16px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.faq-section { border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 100px; }
.faq-heading h2 { margin-top: 18px; font-size: clamp(36px, 4vw, 56px); }
.faq-heading > p:not(.eyebrow) { color: var(--muted); font-size: 16px; margin-top: 26px; }
.faq-heading .text-link { margin-top: 14px; flex-wrap: wrap; overflow-wrap: anywhere; }
.faq-list { min-width: 0; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; gap: 24px; align-items: center; justify-content: space-between; min-height: 90px; cursor: pointer; list-style: none; padding: 25px 0; font-size: 17px; line-height: 1.5; font-weight: 500; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--coral); }
.plus { flex: 0 0 18px; width: 18px; height: 18px; position: relative; }
.plus::before, .plus::after { content: ""; position: absolute; background: var(--off); top: 8px; left: 2px; width: 14px; height: 1px; }
.plus::after { transform: rotate(90deg); }
details[open] .plus::after { display: none; }
.faq-answer { padding: 0 42px 28px 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.contact-section { padding-block: 112px; background: var(--panel); border-block: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); align-items: center; gap: 100px; }
.contact-copy h2 { font-size: clamp(44px, 6.2vw, 86px); line-height: 1.05; margin-top: 20px; }
.contact-copy > p:not(.eyebrow) { color: var(--muted); margin-top: 30px; font-size: 18px; max-width: 490px; }
.contact-copy .button { margin-top: 32px; }
.contact-address { display: block; width: fit-content; margin-top: 20px; min-height: 44px; padding-top: 10px; color: var(--muted); font-size: 14px; text-decoration: none; }
.contact-address:hover { color: var(--off); }
.community { text-align: center; max-width: 360px; justify-self: end; }
.community h3 { font-size: 25px; letter-spacing: -.025em; line-height: 1.25; }
.community > p { color: var(--muted); font-size: 14px; margin-top: 12px; }
.qr-figure { margin: 24px auto 0; width: 232px; max-width: 100%; }
.qr-figure img { width: 100%; aspect-ratio: 1; background: var(--off); padding: 12px; border-radius: 8px; }
.qr-figure figcaption { margin-top: 12px; font-size: 12px; color: var(--muted); }
.qr-links { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 5px; }
.qr-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; }
.qr-links a:hover { color: var(--coral); }
.community .community-note { font-size: 11px; line-height: 1.7; max-width: 290px; margin: 10px auto 0; }
.site-footer { padding-top: 48px; padding-bottom: 28px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.footer-links { display: flex; align-items: center; gap: 28px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--off); }
.legal-note { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 28px; max-width: 1060px; }
.footer-bottom { margin-top: 30px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 11px; line-height: 1.6; }
html[lang="zh-CN"] .hero h1 { font-family: var(--body-font); font-size: clamp(42px, 6.8vw, 94px); line-height: 1.22; letter-spacing: -.045em; }
html[lang="zh-CN"] .hero h1 em { font-family: var(--body-font); }
html[lang="zh-CN"] h2 { line-height: 1.25; letter-spacing: -.035em; }
html[lang="zh-CN"] h3 { line-height: 1.35; letter-spacing: -.025em; }

@media (max-width: 1120px) {
  .container { width: calc(100% - 64px); }
  .header-inner { gap: 24px; }
  .main-nav { gap: 20px; }
  .main-nav a { font-size: 12px; }
  .header-actions { gap: 12px; }
  .header-contact { padding-inline: 16px; }
  .support-grid { gap: 48px; }
  .contact-grid, .faq-section { gap: 64px; }
  .section { padding-block: 100px; }
  .earnings-inputs, .earnings-result { padding: 32px; }
}
@media (max-width: 899px) {
  .container { width: calc(100% - 48px); }
  .header-inner { min-height: 88px; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
  .header-actions { margin-left: auto; }
  .header-contact { display: none; }
  .main-nav { margin-left: 0; width: 100%; order: 3; flex-wrap: wrap; justify-content: flex-start; gap: 8px 24px; padding: 0 0 24px; }
  .main-nav a { font-size: 15px; }
  .main-nav .mobile-contact { display: inline-flex; color: var(--coral); }
  .js-enabled .main-nav { display: none; }
  .js-enabled .main-nav.is-open { display: flex; }
  .hero-copy { padding: 64px 0 56px; }
  .hero h1 { font-size: clamp(55px, 9vw, 82px); }
  .hero-intro { max-width: 560px; font-size: 17px; }
  .hero-visual img { aspect-ratio: 1.85; }
  .partner-grid { gap: 48px 24px; }
  .partner-copy h3 { font-size: 25px; }
  .partner-copy > p:not(.category) { font-size: 15px; }
  .support-grid { grid-template-columns: 1fr; gap: 48px; }
  .earnings-grid { grid-template-columns: 1fr; }
  .earnings-result { border-left: 0; border-top: 1px solid var(--line); }
  .earnings-total output { font-size: clamp(40px, 9vw, 68px); }
  .support-visual img { min-height: 0; max-height: none; aspect-ratio: 1.55; height: auto; }
  .support-copy { max-width: 660px; }
  .support-copy h2 { max-width: 600px; font-size: 50px; }
  .support-points { margin-top: 32px; }
  .steps { gap: 24px; }
  .steps h3 { font-size: 22px; }
  .steps p { font-size: 14px; }
  .faq-section { grid-template-columns: 1fr; gap: 40px; }
  .faq-heading { max-width: 560px; }
  .contact-grid { gap: 48px; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); }
  .contact-copy h2 { font-size: 52px; }
  .contact-copy > p:not(.eyebrow) { font-size: 16px; }
  .contact-copy .button { gap: 16px; padding-inline: 20px; }
  .community h3 { font-size: 22px; }
  .qr-figure { width: 220px; }
}
@media (min-width: 900px) {
  .menu-toggle { display: none; }
}
@media (max-width: 699px) {
  .section { padding-block: 76px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .support-copy h2, .faq-heading h2 { font-size: clamp(34px, 7.4vw, 48px); }
  .section-intro { font-size: 16px; margin-top: 22px; }
  .hero-copy { padding-top: 48px; padding-bottom: 44px; }
  .hero h1 { font-size: clamp(43px, 9.4vw, 65px); line-height: 1.05; margin-top: 24px; margin-bottom: 26px; letter-spacing: -.055em; }
  .hero-intro { font-size: 16px; max-width: 440px; }
  .hero-actions { margin-top: 28px; gap: 16px 24px; }
  .hero-actions .button { min-height: 52px; }
  .hero-visual img { aspect-ratio: 1.4; border-radius: 10px; }
  .hero-visual figcaption { gap: 12px; font-size: 10px; }
  .hero-visual figcaption span:last-child { text-align: right; }
  .partner-grid { grid-template-columns: 1fr; gap: 44px; }
  .partner-card > img { aspect-ratio: 1.4; border-radius: 10px; }
  .partner-copy { padding-top: 24px; }
  .partner-copy h3 { font-size: 28px; }
  .partner-copy > p:not(.category) { font-size: 16px; }
  .category { margin-bottom: 10px; }
  .earnings-inputs, .earnings-result { padding: 24px; }
  .earnings-field-top { flex-wrap: wrap; gap: 12px; }
  .earnings-toolbar { margin-bottom: 28px; }
  .earnings-result .button { gap: 16px; width: 100%; padding-inline: 16px; }
  .support-grid { gap: 36px; }
  .support-visual img { aspect-ratio: 1.25; }
  .support-points { margin-top: 28px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .steps li { padding-top: 20px; }
  .step-number { margin-bottom: 20px; }
  .steps h3 { font-size: 25px; max-width: none; }
  .steps p { font-size: 16px; max-width: 500px; }
  .faq-section { gap: 28px; }
  .faq-list summary { min-height: 88px; font-size: 16px; gap: 20px; }
  .faq-answer { padding-right: 22px; }
  .contact-section { padding-block: 76px; }
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .contact-copy h2 { font-size: clamp(44px, 9.5vw, 64px); max-width: 550px; }
  .contact-copy > p:not(.eyebrow) { max-width: 500px; margin-top: 24px; font-size: 17px; }
  .contact-copy .button { margin-top: 28px; padding-inline: 24px; gap: 26px; }
  .community { width: 100%; max-width: none; justify-self: center; border-top: 1px solid var(--line); padding-top: 40px; }
  .community > p { max-width: 320px; margin-inline: auto; }
  .community h3 { font-size: 25px; }
  .qr-figure { width: 232px; }
  .site-footer { padding-top: 36px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 16px; }
  .footer-links { flex-wrap: wrap; gap: 8px 24px; }
  .legal-note { margin-top: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; margin-top: 24px; }
  html[lang="zh-CN"] .hero h1 { font-size: clamp(36px, 8.5vw, 54px); line-height: 1.25; }
}
@media (max-width: 389px) {
  .container, .wide-container { width: calc(100% - 32px); }
  .header-inner { gap: 8px; min-height: 80px; }
  .brand img { width: 122px; }
  .header-actions { gap: 4px; }
  .hero h1 { font-size: 42px; }
  .hero .eyebrow { font-size: 12px; }
  .hero-actions { flex-direction: column; gap: 8px; }
  .section-heading h2, .support-copy h2, .faq-heading h2 { font-size: 34px; }
  .contact-copy h2 { font-size: 43px; }
  .contact-copy .button { gap: 18px; padding-inline: 20px; font-size: 14px; }
  html[lang="zh-CN"] .hero h1 { font-size: 37px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
