:root {
  --bg: #0d1112;
  --surface: #181b1c;
  --surface-soft: #131718;
  --line: #303638;
  --text: #e9e9e8;
  --muted: #aeb4b5;
  --cyan: #00e8f5;
  --blue: #3d8dff;
  --purple: #b8c2ff;
  --shell: min(1184px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 16%, rgba(0, 232, 245, .06), transparent 25rem),
    linear-gradient(180deg, #0f1516 0%, var(--bg) 34%, #0e1112 100%);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(89, 99, 101, .42);
  background: rgba(13, 17, 18, .84);
  backdrop-filter: blur(24px);
}
.nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-size: 22px; font-weight: 800; letter-spacing: -.03em; }
.nav-links { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
.nav-links a { padding: 20px 0 16px; border-bottom: 2px solid transparent; }
.nav-links a.active { color: var(--text); border-color: #9da1a2; }
.nav-tools { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 13px; }
.tool-icon { font-size: 27px; line-height: 1; transform: rotate(-20deg); }
.language { display: flex; gap: 5px; align-items: center; white-space: nowrap; }

.hero { min-height: 612px; padding: 104px 0 82px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 56px; }
.eyebrow { margin: 0 0 18px; color: #a0abad; font: 500 11px/1.2 "JetBrains Mono", monospace; letter-spacing: .14em; }
.hero h1 { max-width: 650px; margin: 0; font-size: clamp(40px, 5vw, 66px); line-height: 1.14; letter-spacing: -.045em; background: linear-gradient(100deg, #fff 8%, #c1caff 85%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { max-width: 570px; margin: 24px 0 28px; color: #bec4c5; font-size: 17px; }
.hero-actions { display: flex; gap: 14px; }
.button { border: 0; border-radius: 9px; min-height: 48px; padding: 0 28px; font-weight: 700; font-size: 15px; transition: background .2s, box-shadow .2s, transform .2s; }
.button:hover { transform: translateY(-1px); }
.button.primary { color: #061012; background: var(--cyan); box-shadow: 0 0 24px rgba(0, 232, 245, .24); }
.button.primary:hover { background: #b7fbff; box-shadow: 0 0 30px rgba(0, 232, 245, .4); }
.button.secondary { color: var(--text); border: 1px solid #2477d4; background: rgba(17, 27, 29, .62); }
.button.secondary:hover { background: rgba(40, 61, 66, .8); }
.hero-art { position: relative; display: grid; place-items: center; min-height: 440px; }
.art-halo { position: absolute; width: 450px; height: 450px; border-radius: 50%; background: rgba(0, 224, 240, .1); filter: blur(72px); }
.hero-art img { position: relative; width: min(100%, 462px); aspect-ratio: 1; border-radius: 12px; object-fit: cover; box-shadow: 0 0 70px rgba(0, 230, 245, .15); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); padding: 27px 35px; border: 1px solid var(--line); border-radius: 8px; background: rgba(27, 29, 30, .86); box-shadow: 0 0 45px rgba(0, 239, 248, .04); }
.stat { display: flex; flex-direction: column; gap: 4px; padding: 0 30px; }
.stat + .stat { border-left: 1px solid #43494a; }
.stat-label { color: #9ba2a4; font: 500 11px/1.3 "JetBrains Mono", monospace; letter-spacing: .12em; }
.stat strong { font: 600 clamp(27px, 3.2vw, 42px)/1.1 "JetBrains Mono", monospace; letter-spacing: -.04em; }
.accent { color: var(--cyan); }

.claim-card { width: min(760px, calc(100% - 32px)); margin-top: 76px; padding: 1px; border: 1px solid #353c3d; border-radius: 8px; background: rgba(28, 30, 30, .92); box-shadow: 0 0 55px rgba(0, 232, 245, .05); }
.claim-inner { max-width: 690px; margin: 0 auto; padding: 42px 42px 46px; text-align: center; }
.claim-kicker { margin: 0 0 10px; color: #7e898a; font: 500 10px/1.2 "JetBrains Mono", monospace; letter-spacing: .18em; }
.claim-card h2, .section-heading h2 { margin: 0; font-size: clamp(27px, 3.2vw, 36px); line-height: 1.3; letter-spacing: -.035em; }
.claim-card h2 { color: var(--cyan); }
.countdown-wrap { display: flex; flex-direction: column; align-items: center; gap: 7px; margin: 16px 0 22px; }
.countdown { display: flex; align-items: center; gap: 16px; padding: 7px 22px; border: 1px solid #3c494b; border-radius: 8px; background: #141919; box-shadow: inset 0 0 16px rgba(0, 232, 245, .05); color: var(--cyan); font: 500 29px/1.2 "JetBrains Mono", monospace; }
.hint { color: #8e9697; font: 500 10px/1.2 "JetBrains Mono", monospace; letter-spacing: .07em; }
.claim-description { margin: 0 0 24px; color: #b7bcbd; font-size: 15px; }
.progress-info { display: flex; justify-content: space-between; align-items: end; margin-bottom: 9px; }
.progress-info strong { font: 500 22px/1 "JetBrains Mono", monospace; }
.progress-bar { height: 6px; margin-bottom: 26px; overflow: hidden; border: 1px solid #41494a; border-radius: 8px; background: #101414; }
.progress-bar span { display: block; width: 0; height: 100%; background: var(--cyan); }
.share-button { border: 1px solid var(--cyan); border-radius: 8px; padding: 9px 20px; color: var(--cyan); background: transparent; font-size: 14px; box-shadow: 0 0 17px rgba(0, 232, 245, .14); }
.share-button:hover { background: rgba(0, 232, 245, .08); }
.claim-form { display: flex; flex-direction: column; gap: 14px; max-width: 356px; margin: 24px auto 0; text-align: left; }
.claim-form label { color: #aab0b1; font: 500 10px/1.3 "JetBrains Mono", monospace; letter-spacing: .08em; }
.claim-form input { width: 100%; margin-top: 7px; padding: 12px 14px; border: 1px solid #404849; border-radius: 7px; outline: 0; color: var(--text); background: #131718; font: 15px/1.2 "JetBrains Mono", monospace; }
.claim-form input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 232, 245, .1); }
.claim-error { margin: -2px 0 0; color: #ff9f9a; font-size: 12px; line-height: 1.4; }
.claim-submit { width: 100%; margin-top: 8px; }

.why { padding: 112px 0 106px; }
.section-heading { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-heading h2 { color: var(--text); }
.section-heading p:last-child { margin: 16px auto 0; color: #aeb5b6; font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 222px; padding: 28px 27px; border: 1px solid #343b3c; border-radius: 7px; background: rgba(27, 29, 30, .84); }
.feature-card:hover { border-color: #596466; }
.feature-icon { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 16px; border: 1px solid #434c4e; border-radius: 9px; color: var(--cyan); font-size: 0; }
.feature-icon.purple { color: var(--purple); }
.icon-home { position: relative; width: 12px; height: 11px; margin-top: 4px; border: 1.7px solid currentColor; border-top: 0; }
.icon-home::before { content: ""; position: absolute; left: 1px; top: -5px; width: 7px; height: 7px; border-top: 1.7px solid currentColor; border-left: 1.7px solid currentColor; transform: rotate(45deg); }
.icon-home::after { content: ""; position: absolute; left: 4px; bottom: 0; width: 2px; height: 4px; border-left: 1.5px solid currentColor; }
.icon-diamond, .icon-diamond-filled { width: 14px; height: 14px; transform: rotate(45deg); }
.icon-diamond { border: 2px solid currentColor; }
.icon-diamond-filled { background: currentColor; }
.feature-card h3 { margin: 0 0 12px; font-size: 21px; line-height: 1.3; }
.feature-card p { margin: 0; color: #adb3b4; font-size: 14px; }

.site-footer { border-top: 1px solid #353b3c; background: #0f1213; }
.footer-inner { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 32px; padding: 22px 0 27px; }
.footer-inner p { margin: 13px 0 0; color: #aab0b1; font-size: 13px; }
.footer-links { display: grid; gap: 5px; color: #acb2b3; font-size: 13px; }
.footer-links a:hover { color: var(--cyan); }
.footer-tools { display: flex; justify-content: end; gap: 16px; color: #c2c8c9; font-size: 21px; }

.modal-backdrop[hidden] { display: none; }
.modal-backdrop { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 24px; background: rgba(0, 0, 0, .73); backdrop-filter: blur(9px); }
.success-modal { position: relative; width: min(100%, 390px); padding: 31px 29px 27px; border: 1px solid #00e4ec; border-radius: 7px; background: rgba(25, 29, 30, .96); box-shadow: 0 0 34px rgba(0, 232, 245, .2); text-align: center; }
.success-mark { width: 30px; height: 30px; display: grid; place-items: center; margin: 0 auto 13px; border: 1px solid var(--cyan); border-radius: 50%; color: var(--cyan); font-weight: 800; }
.success-modal h2 { margin: 0 0 10px; font-size: 20px; }
.success-modal p { margin: 0 auto 22px; max-width: 270px; color: #b6bdbd; font-size: 13px; line-height: 1.6; }
.modal-confirm { width: 100%; min-height: 39px; padding: 0 18px; font-size: 13px; }
.modal-close { position: absolute; top: 8px; right: 11px; border: 0; color: #95a0a1; background: transparent; font-size: 23px; line-height: 1; }
.modal-close:hover { color: #fff; }
.link-modal-content { position: relative; width: min(100%, 500px); padding: 31px 29px 27px; border: 1px solid #00e4ec; border-radius: 7px; background: rgba(25, 29, 30, .97); box-shadow: 0 0 34px rgba(0, 232, 245, .2); }
.link-modal-content h2 { margin: 0 0 20px; color: var(--text); font-size: 22px; }
.link-label { display: block; margin-bottom: 8px; color: #aeb7b8; font: 500 11px/1.3 "JetBrains Mono", monospace; }
.link-copy-row { display: flex; gap: 10px; }
.invite-link { min-width: 0; flex: 1; display: flex; align-items: center; overflow-wrap: anywhere; border: 1px solid #455354; border-radius: 7px; padding: 12px 13px; color: var(--text); background: #131718; font: 14px/1.2 "JetBrains Mono", monospace; }
.copy-button { flex: 0 0 auto; border: 1px solid var(--cyan); border-radius: 7px; padding: 0 16px; color: #061012; background: var(--cyan); font-size: 13px; font-weight: 700; }
.copy-button:hover { background: #b7fbff; }
.copy-status { margin: 12px 0 0; color: var(--cyan); font-size: 13px; }

@media (max-width: 800px) {
  :root { --shell: min(100% - 32px, 680px); }
  .site-header { height: auto; }
  .nav { min-height: 60px; }
  .nav-links { display: none; }
  .nav-tools { gap: 12px; }
  .language span { display: none; }
  .hero { min-height: auto; padding: 72px 0 55px; grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero h1 { font-size: clamp(37px, 11vw, 54px); }
  .hero-subtitle { font-size: 15px; }
  .hero-art { min-height: 0; }
  .hero-art img { width: min(100%, 470px); }
  .stats { grid-template-columns: 1fr; gap: 18px; padding: 22px 20px; }
  .stat { padding: 0 2px; }
  .stat + .stat { border-top: 1px solid #3e4647; border-left: 0; padding-top: 18px; }
  .stat strong { font-size: 31px; }
  .claim-card { margin-top: 52px; }
  .claim-inner { padding: 30px 20px 32px; }
  .countdown { gap: 9px; font-size: 23px; padding-inline: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .why { padding: 78px 0 72px; }
  .footer-inner { grid-template-columns: 1fr 1fr; padding: 20px 0 24px; }
  .footer-tools { grid-column: 1 / -1; justify-content: start; }
}

@media (max-width: 430px) {
  .brand { font-size: 20px; }
  .hero-actions { width: 100%; }
  .hero-actions .button { flex: 1; padding: 0 13px; }
  .claim-card h2 { font-size: 26px; }
  .footer-inner { grid-template-columns: 1fr; }
}