:root {
  color-scheme: dark;
  --background: #070d1c;
  --surface: #0b1426;
  --text: #eef3fa;
  --muted: #a7b7cd;
  --quiet: #72849e;
  --accent: #c4f1f6;
  --line: rgba(172, 193, 222, .22);
  --header-height: 84px;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-size: 16px; line-height: 1.65; }
body, h1, h2, h3, p, ol { margin: 0; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button, svg, img { vertical-align: middle; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
::selection { color: #071422; background: var(--accent); }
.container { width: min(100% - 96px, 1344px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 10px 18px; background: var(--accent); color: var(--background); border-radius: 5px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: relative; z-index: 5; }
.header-inner { display: flex; align-items: center; gap: clamp(40px, 6vw, 88px); height: var(--header-height); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 14px; font-size: 25px; font-weight: 500; letter-spacing: .08em; }
.brand img { display: block; }
.site-navigation { display: flex; align-items: center; gap: clamp(24px, 3vw, 44px); align-self: stretch; width: 100%; }
.nav-link { position: relative; display: inline-flex; align-items: center; color: #b8c4d8; white-space: nowrap; font-size: 16px; transition: color .2s; }
.nav-link::after { content: ""; position: absolute; height: 2px; inset: auto 0 -1px; background: #8cebf1; transform: scaleX(0); transform-origin: left; transition: transform .22s; }
.nav-link:hover, .nav-link.is-current { color: var(--text); }
.nav-link.is-current::after, .nav-link:hover::after { transform: scaleX(1); }
.nav-account { display: flex; align-items: center; gap: 24px; margin-left: auto; font-size: 14px; white-space: nowrap; }
[hidden] { display: none !important; }
.account-guest { display: flex; align-items: center; gap: 24px; }
.nav-account .account-profile, .nav-account .account-pending { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; }
.nav-account .account-avatar { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; margin: 0; border-radius: 50%; background: #2c657a; color: white; font-size: 15px; font-weight: 500; line-height: 1; }
.account-pending { border-radius: 50%; color: var(--accent); background: rgba(137, 197, 218, .06); }
.nav-account a { color: var(--muted); transition: color .2s; }
.nav-account a:hover { color: var(--accent); }
.nav-account a:last-child { color: var(--accent); }
.nav-account span { margin-left: 4px; }
.menu-toggle { display: none; }
.hero { position: relative; width: 100%; min-height: max(540px, calc(100svh - var(--header-height) - 100px)); overflow: clip; isolation: isolate; }
.hero-atmosphere { position: absolute; z-index: -1; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 75% 72%, rgba(25, 51, 83, .20), transparent 44%), radial-gradient(ellipse at 19% 72%, rgba(34, 40, 86, .10), transparent 45%); }
.hero-inner { position: relative; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 16px; min-height: inherit; padding-block: 62px 74px; }
.hero-copy { position: relative; z-index: 2; padding-left: 16px; }
.hero-wordmark { margin-bottom: 14px; color: #bac7d9; font-size: clamp(17px, 1.5vw, 21px); font-weight: 400; letter-spacing: .18em; }
h1 { max-width: 610px; font-size: clamp(36px, 3.7vw, 56px); line-height: 1.4; font-weight: 450; letter-spacing: .025em; }
h1 span { display: inline-block; white-space: nowrap; }
.hero-description { margin-top: 19px; color: #abc0d8; font-size: clamp(17px, 1.6vw, 22px); letter-spacing: .055em; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 39px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 52px; padding: 12px 29px; border: 1px solid transparent; border-radius: 5px; font-size: 17px; font-weight: 500; letter-spacing: .025em; transition: color .2s, background .2s, border-color .2s, transform .2s; }
.button-primary { color: #0b202c; background: #cef1f6; border-color: #d9f6fa; }
.button-primary:hover { background: #e8fcff; transform: translateY(-2px); }
.button-outline { min-width: 140px; color: #e1eaf6; border-color: #9aaec6; background: rgba(10, 20, 37, .3); }
.button-outline:hover { border-color: #d1eff6; background: rgba(134, 194, 215, .07); transform: translateY(-2px); }
.arrow { transition: transform .2s; }
.button:hover .arrow { transform: translate(2px, -2px); }
.hero-visual { position: relative; width: calc(100% + 110px); margin-left: -35px; margin-right: -75px; align-self: center; }
.hologram { display: block; width: 100%; height: auto; overflow: visible; aspect-ratio: 8 / 5; }
.holo-float { animation: ww-hover 9s ease-in-out infinite; }
.holo-turn { transform-origin: 400px 230px; animation: ww-turn 18s ease-in-out infinite; }
.holo-breathe { transform-origin: 400px 230px; animation: ww-breathe 12s ease-in-out infinite; }
.holo-shadow { transform-origin: 400px 403px; animation: ww-shadow 9s ease-in-out infinite; }
.holo-traces path { stroke-dasharray: .035 .965; animation: ww-travel 20s linear infinite; opacity: .6; }
.holo-traces path:nth-child(1) { animation-delay: -2.19s; }
.holo-traces path:nth-child(2) { animation-delay: -13.14s; }
.holo-traces path:nth-child(3) { animation-delay: -23.36s; }
.holo-traces path:nth-child(4) { animation-delay: -32.12s; }
[data-motion-running="false"] .holo-float,
[data-motion-running="false"] .holo-turn,
[data-motion-running="false"] .holo-breathe,
[data-motion-running="false"] .holo-shadow,
[data-motion-running="false"] .holo-traces path { animation-play-state: paused; }
.section-line { border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
h2 { font-size: clamp(26px, 2.3vw, 34px); font-weight: 400; line-height: 1.4; letter-spacing: .025em; }
.section-shortcuts { display: flex; align-items: center; gap: 30px; color: #acbfd7; font-size: 14px; }
.section-shortcuts a + a { padding-left: 30px; border-left: 1px solid rgba(154, 178, 209, .16); }
.section-shortcuts a { display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
.section-shortcuts a:hover { color: var(--accent); }
.start-section { padding-top: 34px; padding-bottom: 92px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 64px; margin-top: 68px; padding: 0 16px; list-style: none; }
.step-number { display: block; margin-bottom: 19px; color: #6f8da7; font-size: 13px; font-variant-numeric: tabular-nums; letter-spacing: .13em; }
.steps h3 { font-size: 23px; font-weight: 400; letter-spacing: .03em; }
.steps p { max-width: 280px; margin-top: 13px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: #b4d8e7; font-size: 14px; line-height: 1.6; transition: color .2s; }
.text-link:hover { color: #e4fbff; }
.text-link span[aria-hidden] { display: inline-block; transition: transform .2s; }
.text-link:hover span[aria-hidden] { transform: translate(2px, -2px); }
.steps .text-link { margin-top: 24px; padding-block: 6px; }
.guides-section { padding-block: 70px 88px; }
.eyebrow { margin-bottom: 12px; color: #849eb9; font-size: 12px; letter-spacing: .15em; }
.guide-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 68px; margin-top: 43px; }
.guide-link { display: flex; align-items: center; gap: 24px; min-height: 127px; padding: 25px 5px; border-bottom: 1px solid rgba(164, 188, 220, .17); transition: border-color .2s; }
.guide-number { align-self: flex-start; margin-top: 7px; color: #6e89a6; font-size: 11px; letter-spacing: .08em; }
.guide-link h3 { font-size: 21px; font-weight: 400; line-height: 1.4; color: #dce7f5; transition: color .2s; }
.guide-link p { margin-top: 9px; color: #8fa3bd; font-size: 13px; }
.guide-arrow { margin-left: auto; color: #9ebad2; font-size: 21px; transition: color .2s, transform .2s; }
.guide-link:hover { border-color: rgba(156, 221, 235, .52); }
.guide-link:hover h3, .guide-link:hover .guide-arrow { color: #d2f5fb; }
.guide-link:hover .guide-arrow { transform: translate(3px, -3px); }
.about-section { display: flex; justify-content: space-between; align-items: center; gap: 48px; padding-block: 80px 88px; }
.about-copy { margin-top: 23px; color: var(--muted); font-size: 15px; line-height: 2; }
.about-actions { display: flex; flex-direction: column; align-items: center; gap: 20px; padding-right: 32px; }
.about-actions .button { min-width: 180px; }
.site-footer { padding-block: 34px 27px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.footer-brand { gap: 11px; font-size: 20px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; color: #9eafc5; font-size: 13px; }
.footer-links a:hover, .footer-bottom a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 30px; color: #7489a3; font-size: 12px; }
.footer-bottom a { color: #8c9fb6; }
.footer-bottom p:last-child span { margin-inline: 7px; }
.js [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .65s ease, transform .65s ease; }
.js [data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
.js .hero-copy > * { animation: ww-enter .75s ease both; }
.js .hero-wordmark { animation-delay: .05s; }
.js .hero-copy h1 { animation-delay: .13s; }
.js .hero-description { animation-delay: .21s; }
.js .hero-actions { animation-delay: .29s; }
@keyframes ww-enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ww-hover { 0%, 100% { transform: translateY(5px); } 50% { transform: translateY(-6px); } }
@keyframes ww-turn { 0%, 100% { transform: rotate(-3deg); } 50% { transform: rotate(4deg); } }
@keyframes ww-breathe { 0%, 100% { transform: scale(.98, 1); } 50% { transform: scale(1.025, .97); } }
@keyframes ww-shadow { 0%, 100% { transform: scaleX(1); opacity: .9; } 50% { transform: scaleX(.86); opacity: .6; } }
@keyframes ww-travel { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@media (min-width: 1600px) { .hero-visual { width: calc(100% + 150px); margin-left: -45px; margin-right: -105px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .header-inner { gap: 42px; }
  .site-navigation { gap: 26px; }
  .nav-account { gap: 17px; }
  .hero-copy { padding-left: 0; }
  .hero-actions { gap: 16px; }
  .button { padding-inline: 23px; }
  .steps { gap: 38px; padding-inline: 0; }
  .guide-list { column-gap: 40px; }
  .about-actions { padding-right: 0; }
}
@media (max-width: 800px) {
  :root { --header-height: 74px; }
  .container { width: calc(100% - 48px); }
  .header-inner { justify-content: space-between; }
  .brand { gap: 11px; font-size: 23px; }
  .brand img { width: 30px; height: 30px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 7px; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: #d4e7f4; }
  .menu-toggle span { display: block; width: 23px; height: 1px; background: currentColor; transition: transform .2s; }
  .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); }
  .site-navigation { display: none; position: absolute; left: 0; right: 0; top: var(--header-height); width: auto; padding: 18px 24px 24px; border-bottom: 1px solid var(--line); background: #0a1223; box-shadow: 0 18px 28px rgba(0, 0, 0, .16); }
  .site-navigation.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link { padding: 12px 0; font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-link.is-current { color: var(--accent); }
  .nav-account { margin: 13px 0 0; padding-top: 15px; border-top: 1px solid var(--line); gap: 28px; font-size: 15px; }
  .nav-account a { padding-block: 9px; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 0; padding-block: 61px 30px; min-height: 0; }
  .hero-copy { max-width: 620px; }
  .hero-wordmark { font-size: 16px; margin-bottom: 12px; }
  h1 { max-width: 100%; font-size: clamp(34px, 5.6vw, 44px); }
  .hero-description { margin-top: 15px; font-size: 18px; }
  .hero-actions { margin-top: 29px; }
  .hero-visual { justify-self: center; width: min(115%, 650px); margin: 4px -7.5% 0; }
  .section-heading { align-items: flex-start; gap: 22px; }
  .section-shortcuts { gap: 18px; font-size: 12px; padding-top: 9px; }
  .section-shortcuts a + a { padding-left: 18px; }
  .start-section { padding-block: 30px 60px; }
  .steps { gap: 26px; margin-top: 48px; }
  .steps h3 { font-size: 20px; }
  .steps p { font-size: 14px; }
  .steps .text-link { font-size: 13px; }
  .guides-section { padding-block: 56px 65px; }
  .guide-list { column-gap: 30px; margin-top: 26px; }
  .guide-link { gap: 15px; min-height: 117px; }
  .guide-link h3 { font-size: 18px; }
  .guide-link p { font-size: 12px; }
  .about-section { padding-block: 60px; }
  .about-copy { font-size: 14px; }
  .footer-links { gap: 20px; font-size: 12px; }
}
@media (max-width: 560px) {
  .container { width: calc(100% - 40px); }
  .hero-inner { padding-block: 47px 26px; }
  .hero-wordmark { font-size: 15px; }
  h1 { font-size: clamp(31px, 8.7vw, 42px); letter-spacing: .015em; line-height: 1.45; }
  .hero-description { max-width: 300px; font-size: 15px; letter-spacing: .025em; }
  .hero-actions { gap: 14px; margin-top: 26px; }
  .button { min-height: 48px; padding-inline: 22px; font-size: 15px; }
  .button-outline { min-width: 115px; }
  .hero-visual { width: calc(100% + 42px); margin: 16px -21px 0; }
  .hologram { min-height: 240px; }
  .section-heading { flex-direction: column; gap: 17px; }
  h2 { font-size: 25px; }
  .section-shortcuts { padding: 0; gap: 19px; font-size: 12px; }
  .section-shortcuts a + a { padding-left: 19px; }
  .start-section { padding-block: 28px 42px; }
  .steps { grid-template-columns: 1fr; gap: 0; margin-top: 31px; }
  .steps li { position: relative; padding: 25px 0 26px 42px; border-top: 1px solid rgba(164, 188, 220, .13); }
  .step-number { position: absolute; top: 30px; left: 0; font-size: 11px; }
  .steps h3 { font-size: 21px; }
  .steps p { max-width: none; margin-top: 9px; font-size: 14px; }
  .steps .text-link { margin-top: 14px; padding-block: 7px; }
  .guides-section { padding-block: 43px 48px; }
  .guides-section .section-heading { gap: 17px; }
  .eyebrow { margin-bottom: 10px; font-size: 11px; }
  .guide-list { grid-template-columns: 1fr; margin-top: 17px; }
  .guide-link { min-height: 108px; padding: 22px 0; gap: 22px; }
  .guide-link h3 { font-size: 20px; }
  .guide-link p { font-size: 13px; margin-top: 7px; }
  .guide-arrow { font-size: 19px; }
  .about-section { flex-direction: column; align-items: flex-start; gap: 29px; padding-block: 46px 52px; }
  .about-section h2 { max-width: 300px; font-size: 25px; line-height: 1.5; }
  .about-copy { margin-top: 18px; font-size: 13px; }
  .about-copy br { display: none; }
  .about-actions { flex-direction: row; gap: 25px; }
  .about-actions .button { min-width: 147px; }
  .about-actions .text-link { font-size: 13px; }
  .site-footer { padding-block: 28px 27px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 21px; }
  .footer-brand { font-size: 20px; }
  .footer-brand img { width: 25px; height: 25px; }
  .footer-links { gap: 9px 22px; }
  .footer-links a { display: inline-block; padding-block: 7px; }
  .footer-bottom { flex-direction: column; gap: 9px; margin-top: 20px; font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .js .hero-copy > * { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .holo-float, .holo-shadow { animation-duration: 18s; }
  .holo-turn { animation-duration: 36s; }
  .holo-breathe { animation-duration: 24s; }
  .holo-traces path { animation-duration: 32s; }
}