:root {
    --public-bg: #070a13;
    --public-panel: #111625;
    --public-border: #252d45;
    --public-text: #f5f7ff;
    --public-muted: #929bb9;
    --public-accent: #8068ff;
    --public-cyan: #51c9d6;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body { min-width: 320px; min-height: 100vh; margin: 0; color: var(--public-text); background: var(--public-bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.public-header {
    position: sticky; top: 0; z-index: 20; display: flex; min-height: 74px; align-items: center; justify-content: space-between;
    gap: 24px; padding: 0 max(24px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid rgba(46, 55, 83, 0.72);
    background: rgba(7, 10, 19, 0.92); backdrop-filter: blur(14px);
}
.public-brand { display: flex; align-items: center; gap: 11px; }
.public-brand > span { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 11px; background: linear-gradient(135deg, #7659f6, #4fc6d1); }
.public-brand div { display: grid; gap: 3px; }
.public-brand small { color: #717c9e; font-size: 9px; letter-spacing: .08em; }
.public-header nav, .public-footer nav { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; color: #b9c1dc; font-size: 13px; }
.public-header nav a:hover, .public-footer a:hover { color: #fff; }
.header-login, .header-register { border: 1px solid #4f4382; border-radius: 999px; padding: 8px 16px; color: #fff; background: rgba(128, 104, 255, .12); }
.header-register { border-color: transparent; background: linear-gradient(135deg, #7659f6, #4e9db8); }
.public-main { min-height: calc(100vh - 250px); }

.landing-hero { display: grid; max-width: 900px; min-height: 570px; justify-items: center; align-content: center; margin: auto; padding: 72px 24px; text-align: center; }
.hero-badge, .policy-page header > span, .section-heading > span { border: 1px solid #443a70; border-radius: 999px; padding: 6px 11px; color: #aa9bff; background: rgba(128, 104, 255, .08); font-size: 11px; }
.landing-hero h1 { margin: 23px 0 5px; font-size: clamp(48px, 8vw, 82px); letter-spacing: -.045em; }
.landing-hero h2 { margin: 0; color: #dfe4f7; font-size: clamp(21px, 3vw, 30px); font-weight: 600; }
.landing-hero p { max-width: 720px; margin: 24px 0; color: var(--public-muted); font-size: 16px; line-height: 1.9; }
.landing-hero > small { margin-top: 18px; color: #717b9b; }
.hero-actions { display: flex; justify-content: center; gap: 12px; }
.primary-action, .secondary-action { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; border-radius: 10px; padding: 10px 20px; font-weight: 700; }
.primary-action { background: linear-gradient(135deg, #7659f6, #4e9db8); box-shadow: 0 14px 30px rgba(82, 73, 180, .23); }
.secondary-action { border: 1px solid var(--public-border); background: #111624; }

.public-section, .trust-panel, .policy-page, .single-info-page { width: min(1180px, calc(100% - 48px)); margin: 0 auto 70px; }
.section-heading { display: grid; justify-items: start; gap: 13px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; font-size: 25px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-grid article { min-height: 190px; border: 1px solid var(--public-border); border-radius: 16px; padding: 24px; background: var(--public-panel); }
.feature-grid b { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 11px; color: #ad9fff; background: rgba(128, 104, 255, .13); }
.feature-grid h3 { margin: 20px 0 8px; }
.feature-grid p, .trust-panel p, .policy-page p, .single-info-page p { margin: 0; color: var(--public-muted); line-height: 1.8; }
.trust-panel { display: flex; align-items: center; justify-content: space-between; gap: 30px; border: 1px solid var(--public-border); border-radius: 16px; padding: 28px; background: linear-gradient(120deg, rgba(128,104,255,.1), rgba(81,201,214,.04)); }
.trust-panel h2 { margin: 7px 0 10px; font-size: 20px; }
.trust-panel span { color: #aa9bff; font-size: 11px; }
.trust-panel a { flex: 0 0 auto; border: 1px solid #4f4382; border-radius: 9px; padding: 9px 14px; }

.policy-page { max-width: 860px; padding-top: 70px; }
.policy-page header { margin-bottom: 34px; border-bottom: 1px solid var(--public-border); padding-bottom: 28px; }
.policy-page h1, .single-info-page h1 { margin: 18px 0 8px; font-size: 38px; }
.policy-page section { border-bottom: 1px solid #1d2437; padding: 24px 0; }
.policy-page section:last-child { border-bottom: 0; }
.policy-page h2 { margin: 0 0 10px; font-size: 17px; }
.policy-page section a { color: #9c8dff; }
.single-info-page { display: grid; max-width: 700px; min-height: 560px; justify-items: center; align-content: center; text-align: center; }
.info-icon { display: inline-flex; width: 58px; height: 58px; align-items: center; justify-content: center; border-radius: 16px; color: #fff; background: linear-gradient(135deg, #7659f6, #4fc6d1); font-size: 24px; }
.single-info-page > small { margin-top: 15px; color: #a99aff; }
.contact-email { margin: 24px 0; border: 1px solid #4f4382; border-radius: 10px; padding: 12px 18px; color: #fff; background: rgba(128,104,255,.1); font-size: 17px; }
.muted-copy { max-width: 560px; font-size: 12px; }

.public-footer { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; border-top: 1px solid var(--public-border); padding: 34px max(24px, calc((100vw - 1180px) / 2)); color: var(--public-muted); background: #090d17; font-size: 12px; }
.public-footer > div:first-child { display: grid; gap: 6px; }
.public-footer strong { color: #fff; font-size: 14px; }
.footer-record { display: flex; grid-column: 1 / -1; gap: 18px; border-top: 1px solid #1a2132; padding-top: 18px; }

@media (max-width: 760px) {
    .public-header { padding: 0 18px; }
    .public-header nav a:not(.header-login):not(.header-register) { display: none; }
    .feature-grid { grid-template-columns: 1fr; }
    .trust-panel { align-items: flex-start; flex-direction: column; }
    .public-footer { grid-template-columns: 1fr; }
    .footer-record { grid-column: auto; flex-direction: column; gap: 8px; }
}

@media (max-width: 460px) {
    .public-brand div { display: none; }
    .public-header nav { gap: 8px; }
    .header-login, .header-register { padding: 7px 12px; }
}