:root {
  color-scheme: dark;
  --background: #070605;
  --surface: #14110d;
  --gold: #e4c48a;
  --gold-bright: #f7dfb3;
  --text: #faf7f2;
  --muted: #b0a496;
  --border: #322a20;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif; font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body::before { position: absolute; inset: 0 0 auto; height: 900px; z-index: -1; content: ""; pointer-events: none; background: radial-gradient(ellipse at 75% 30%, #a2762720 0, transparent 53%); }
::selection { background: var(--gold); color: var(--background); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 5px; }
p, h1, h2, h3 { margin: 0; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 10px 18px; background: var(--gold); color: var(--background); }
.skip-link:focus { top: 10px; }
.site-header { border-bottom: 1px solid #e4c48a14; background: #070605e8; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 82px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 19px; font-weight: 750; letter-spacing: 1.5px; }
.brand img { object-fit: contain; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; font-size: 13px; color: var(--muted); }
.site-nav a { padding-block: 10px; transition: color .2s; }
.site-nav a:hover, .site-nav .active { color: var(--gold); }
.site-nav .active { box-shadow: inset 0 -1px var(--gold); }
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); gap: 86px; align-items: center; padding-block: 90px 94px; }
.eyebrow { display: flex; align-items: center; gap: 10px; font-size: 10px; letter-spacing: 2.3px; font-weight: 650; color: var(--gold); line-height: 1.5; }
.eyebrow-line { width: 27px; height: 1px; background: var(--gold); }
.program-badge { display: inline-block; margin-top: 28px; border: 1px solid #e4c48a30; border-radius: 99px; padding: 5px 12px; color: var(--gold); font-size: 11px; background: #e4c48a08; }
h1 { margin-top: 19px; font-size: clamp(38px, 4.8vw, 60px); letter-spacing: -2px; line-height: 1.28; font-weight: 750; }
h1 span { color: var(--gold); }
.hero-description { margin-top: 25px; max-width: 470px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 48px; border-radius: 7px; padding: 11px 20px; font-size: 13px; font-weight: 700; border: 1px solid transparent; cursor: pointer; transition: background .2s, border-color .2s; }
.button-gold { color: #161007; background: var(--gold); border-color: var(--gold); }
.button-gold:hover { background: var(--gold-bright); border-color: var(--gold-bright); }
.button span { font-size: 20px; line-height: 1; }
.text-link { display: inline-flex; gap: 16px; align-items: center; color: #d6cdbd; font-size: 13px; min-height: 44px; }
.text-link:hover { color: var(--gold); }
.hero-footnote { color: #9e9285; font-size: 11px; margin-top: 22px; }
.reward-card { position: relative; overflow: hidden; padding: 25px 28px 28px; background: linear-gradient(155deg, #272017, #13100d 75%); border: 1px solid #8067456b; border-radius: 16px; box-shadow: 0 20px 85px #0008; }
.reward-card::before { position: absolute; left: -80px; right: -80px; top: 68px; height: 190px; content: ""; background: radial-gradient(ellipse, #e4c48a18, transparent 65%); pointer-events: none; }
.reward-top { display: flex; justify-content: space-between; align-items: center; color: #d4b982; font-size: 10px; letter-spacing: 2px; }
.small-star { font-size: 18px; }
.reward-emblem { display: grid; position: relative; place-items: center; width: 94px; height: 94px; margin: 25px auto; color: var(--gold); border: 1px solid #e4c48a50; border-radius: 50%; box-shadow: 0 0 0 10px #e4c48a04, 0 0 0 11px #e4c48a12; }
.reward-emblem::before, .reward-emblem::after { content: "✦"; position: absolute; font-size: 16px; }
.reward-emblem::before { top: -5px; right: -9px; }
.reward-emblem::after { bottom: 4px; left: -12px; font-size: 11px; }
.reward-emblem span { font-family: Georgia, serif; font-size: 62px; font-style: italic; line-height: 1; padding-right: 5px; }
.reward-label { text-align: center; color: #bea985; font-size: 11px; letter-spacing: 3px; }
.reward-card h2 { font-size: 29px; font-weight: 650; text-align: center; letter-spacing: 2px; line-height: 1.5; margin-top: 9px; }
.reward-bundle { display: grid; gap: 10px; margin-top: 24px; padding-top: 21px; border-top: 1px solid #e4c48a22; }
.reward-bundle > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: #e6d8c2; }
.reward-bundle strong { color: var(--gold); border: 1px solid #e4c48a33; border-radius: 4px; padding: 2px 7px; font-size: 11px; font-weight: 600; background: #e4c48a08; }
.reward-note { margin-top: 10px; color: #aa9a84; font-size: 11px; line-height: 1.8; }
.eligibility { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: -29px; margin-bottom: 78px; padding: 25px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.eligibility > div { padding: 0 28px; border-left: 1px solid var(--border); }
.eligibility > div:first-child { border-left: 0; padding-left: 0; }
.eligibility-label { display: block; color: var(--muted); font-size: 11px; }
.eligibility strong { display: block; font-size: 24px; font-weight: 600; margin-block: 3px; color: var(--gold); }
.eligibility strong span { font-size: 12px; font-weight: 400; color: #cabca7; }
.eligibility-detail { display: block; font-size: 11px; color: #aa9a84; }
.section { padding-bottom: 84px; }
.section-heading { display: flex; gap: 30px; align-items: end; justify-content: space-between; margin-bottom: 27px; }
.section-heading h2 { font-size: 29px; line-height: 1.4; font-weight: 650; margin-top: 11px; letter-spacing: -.5px; }
.section-heading > p { color: var(--muted); font-size: 12px; padding-bottom: 3px; max-width: 315px; }
.idea-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.idea-card { padding: 26px; background: linear-gradient(145deg, #17130f, #100d0b); border: 1px solid var(--border); border-radius: 10px; }
.idea-top { display: flex; align-items: center; justify-content: space-between; }
.idea-number { font-size: 11px; color: #b5a38b; font-variant-numeric: tabular-nums; letter-spacing: 2px; }
.idea-symbol { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #e4c48a24; border-radius: 8px; color: var(--gold); font-size: 26px; line-height: 1; }
.idea-card h3 { margin-top: 22px; font-size: 19px; font-weight: 600; }
.idea-card p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.idea-tag { display: inline-block; margin-top: 24px; font-size: 10px; letter-spacing: .5px; color: #c5af8a; }
.steps { padding: 0; margin: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.steps li { display: flex; gap: 15px; padding-top: 24px; border-top: 1px solid var(--border); }
.step-marker { display: grid; flex: 0 0 28px; place-items: center; height: 28px; border: 1px solid #e4c48a38; background: #e4c48a08; color: var(--gold); border-radius: 50%; font-size: 12px; }
.steps h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 12px; line-height: 1.9; }
.section-status { color: #cbb183; font-size: 11px; padding: 5px 10px; border: 1px solid #e4c48a30; border-radius: 4px; }
.rules-panel { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #100d0a; }
.rules-intro { padding: 21px 28px; background: #e4c48a07; border-bottom: 1px solid var(--border); font-size: 12px; color: #c7b9a6; }
.rules-list { margin: 0; padding: 4px 28px; }
.rules-list > div { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid #e4c48a12; font-size: 13px; }
.rules-list > div:last-child { border-bottom: 0; }
.rules-list dt { color: #b3a594; }
.rules-list dd { margin: 0; color: #e2d9cb; }
.gold-text { color: var(--gold); font-weight: 600; }
.account-number { user-select: all; font-variant-numeric: tabular-nums; letter-spacing: .5px; }
.rule-detail { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.authentic-note { padding: 21px 28px; border-top: 1px solid var(--border); }
.authentic-note strong { font-size: 12px; color: #d4bd94; font-weight: 600; }
.authentic-note p { margin-top: 5px; color: var(--muted); font-size: 11px; }
.contact-section { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 45px 48px; margin-bottom: 70px; background: radial-gradient(ellipse at 0 0, #8a653d1c, transparent 65%), #14110d; border: 1px solid #e4c48a30; border-radius: 12px; }
.contact-section h2 { margin-top: 17px; font-size: 33px; line-height: 1.4; font-weight: 650; }
.contact-description { font-size: 13px; color: var(--muted); margin-top: 15px; }
.contact-card { min-width: 265px; text-align: center; }
.contact-card > span { display: block; color: var(--muted); font-size: 11px; }
.group-number { display: block; color: var(--gold); font-size: 32px; font-weight: 500; letter-spacing: 3px; line-height: 1.6; font-variant-numeric: tabular-nums; }
.contact-card .button { width: 100%; margin-top: 15px; }
.contact-card p { margin-top: 12px; color: var(--muted); font-size: 11px; min-height: 2em; max-width: 270px; }
.site-footer { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding-block: 28px 35px; border-top: 1px solid #e4c48a18; color: #9e9285; font-size: 11px; }
.footer-brand { color: var(--text); font-size: 16px; font-weight: 650; letter-spacing: 1px; }
.site-footer > a:last-child { margin-left: auto; color: #c9bba6; }
.site-footer a:hover { color: var(--gold); }
@media (max-width: 900px) {
  .hero { gap: 35px; padding-block: 65px 70px; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
  h1 { font-size: clamp(32px, 4.8vw, 44px); }
  .hero-description { font-size: 14px; }
  .hero-actions { gap: 13px; }
  .button { gap: 14px; }
  .reward-card { padding-inline: 23px; }
  .reward-card h2 { font-size: 25px; }
  .section-heading > p { max-width: 245px; }
  .idea-card { padding: 20px; }
  .steps { gap: 22px; }
  .steps li { flex-direction: column; }
  .step-marker { flex-basis: 28px; width: 28px; }
  .contact-section { padding: 36px; }
}
@media (max-width: 650px) {
  html { scroll-padding-top: 24px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 9px; padding-block: 17px 9px; }
  .brand { font-size: 17px; }
  .brand img { width: 29px; height: 29px; }
  .site-nav { width: 100%; justify-content: space-between; gap: 5px; font-size: 11px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 43px 56px; }
  h1 { font-size: clamp(35px, 9.3vw, 49px); letter-spacing: -1.5px; }
  .hero-description { max-width: 450px; }
  .program-badge { margin-top: 22px; }
  .hero-actions { gap: 22px; margin-top: 26px; }
  .hero-footnote { margin-top: 17px; }
  .reward-card { padding: 21px 24px; }
  .reward-emblem { width: 76px; height: 76px; margin-block: 20px; }
  .reward-emblem span { font-size: 49px; }
  .reward-card h2 { font-size: 26px; }
  .reward-card h2 br { display: none; }
  .reward-bundle { margin-top: 19px; padding-top: 17px; }
  .reward-note { font-size: 11px; }
  .eligibility { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 0; margin-top: -5px; margin-bottom: 48px; padding-block: 20px; }
  .eligibility > div { padding-inline: 20px 0; }
  .eligibility > div:first-child { grid-column: 1 / -1; padding: 0 0 16px; border-bottom: 1px solid var(--border); }
  .eligibility > div:nth-child(2) { padding-left: 0; border-left: 0; }
  .eligibility > div:first-child strong { font-size: 19px; }
  .section { padding-bottom: 54px; }
  .section-heading { display: block; margin-bottom: 22px; }
  .section-heading h2 { font-size: 25px; margin-top: 8px; }
  .section-heading > p { margin-top: 12px; max-width: none; }
  .section-status { display: inline-block; margin-top: 13px; }
  .idea-grid, .steps { grid-template-columns: 1fr; gap: 14px; }
  .idea-card { padding: 23px; }
  .idea-card h3 { margin-top: 15px; }
  .idea-tag { margin-top: 17px; }
  .steps li { flex-direction: row; padding-top: 20px; gap: 16px; }
  .steps p { font-size: 13px; }
  .rules-intro, .authentic-note { padding: 19px 21px; }
  .rules-list { padding-inline: 21px; }
  .rules-list > div { grid-template-columns: 1fr; gap: 5px; padding-block: 16px; }
  .rules-list dt { font-size: 11px; }
  .contact-section { display: block; padding: 28px 23px; margin-bottom: 40px; }
  .contact-section h2 { font-size: 29px; }
  .contact-card { min-width: 0; margin-top: 28px; padding-top: 24px; border-top: 1px solid #e4c48a22; }
  .contact-card p { max-width: none; }
  .site-footer { gap: 10px 20px; font-size: 10px; }
  .site-footer p { flex-basis: 100%; order: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  a, button { transition: none !important; }
}