:root {
  color-scheme: light dark;
  --background: #fafaf7;
  --surface: #f0f1ed;
  --panel: #ffffff;
  --ink: #172530;
  --muted: #5a6670;
  --line: #dce0dc;
  --blue: #1767c5;
  --cyan: #12828b;
  --gold: #946b15;
  --button-ink: #fff;
  --grid: #9ca7a8;
  --soft-blue: #eaf1f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --background: #070c13; --surface: #0d1620; --panel: #0b131d; --ink: #f0f4f5; --muted: #a2aeb9; --line: #26313c; --blue: #73b3ff; --cyan: #70d7d9; --gold: #efc76e; --button-ink: #08121c; --grid: #607181; --soft-blue: #122230;
  }
}
:root[data-theme="dark"] {
  --background: #070c13; --surface: #0d1620; --panel: #0b131d; --ink: #f0f4f5; --muted: #a2aeb9; --line: #26313c; --blue: #73b3ff; --cyan: #70d7d9; --gold: #efc76e; --button-ink: #08121c; --grid: #607181; --soft-blue: #122230;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; background: var(--background); }
body { margin: 0; background: var(--background); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, select, input[type="range"] { cursor: pointer; }
button { color: inherit; }
button, select { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--blue); color: var(--background); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
p, h1, h2, h3, figure { margin: 0; }
svg { display: block; }
.shell { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.container { width: min(720px, calc(100% - 48px)); margin: 12vh auto; line-height: 1.8; }
.container h1 { font-size: clamp(32px, 6vw, 56px); margin-bottom: 24px; }
.container p { margin-top: 18px; }
.container a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 30; padding: 12px 20px; background: var(--ink); color: var(--background); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.js-only { display: none !important; }
.js .js-only { display: flex !important; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 90px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 23px; font-weight: 650; letter-spacing: -1px; white-space: nowrap; }
.brand-symbol { width: 34px; height: 34px; color: var(--blue); }
.brand-period { color: var(--blue); }
.main-nav { display: flex; gap: 25px; margin-left: auto; font-size: 13px; color: var(--muted); }
.main-nav a, .footer-bottom a, .language-switch a { transition: color .16s; }
.main-nav a:hover, .footer-bottom a:hover, .language-switch a:hover { color: var(--blue); }
.preferences { display: flex; align-items: center; gap: 18px; font-size: 12px; }
.language-switch { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.language-switch a { min-height: 36px; display: flex; align-items: center; color: var(--muted); }
.language-switch a[aria-current="page"] { color: var(--ink); font-weight: 650; }
.language-switch > span { color: var(--line); }
.theme-control { align-items: center; gap: 3px; border-left: 1px solid var(--line); padding-left: 15px; }
.theme-control svg { width: 17px; height: 17px; }
.theme-control select { border: none; background: transparent; color: var(--muted); min-height: 36px; padding: 0 2px; font-size: 11px; max-width: 88px; }
.theme-control option { background: var(--background); color: var(--ink); }
.hero { padding-top: 75px; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 10px; font-weight: 650; letter-spacing: .15em; line-height: 1.8; }
.status-dot { display: inline-block; width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: var(--cyan); }
.hero-copy { display: grid; grid-template-columns: 1.65fr 1fr; gap: 40px; align-items: end; margin-top: 27px; }
h1 { font-weight: 500; font-size: clamp(52px, 5.7vw, 76px); line-height: 1.08; letter-spacing: -.06em; }
h1 em { font-style: normal; color: var(--blue); }
.hero-aside { padding: 0 0 5px 36px; border-left: 1px solid var(--line); }
.hero-intro { font-size: 21px; line-height: 1.5; letter-spacing: -.02em; max-width: 320px; }
.hero-detail { margin-top: 15px; font-size: 13px; line-height: 1.75; color: var(--muted); max-width: 300px; }
.hero-actions { margin-top: 32px; display: flex; gap: 27px; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 27px; min-height: 48px; padding: 0 22px; font-size: 13px; font-weight: 550; border: 1px solid transparent; border-radius: 5px; transition: transform .16s, background .16s; white-space: nowrap; }
.button svg, .text-link svg { width: 19px; height: 19px; flex-shrink: 0; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: var(--button-ink); }
.text-link { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; line-height: 1.6; }
.text-link:hover { color: var(--blue); }
.hero-note { margin-left: auto; color: var(--muted); font-size: 11px; text-align: right; }
.math-figure { position: relative; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); margin-top: 45px; overflow: hidden; }
.figure-heading { display: flex; justify-content: space-between; align-items: center; padding: 21px 27px 0; gap: 20px; }
.figure-heading h2 { font-size: 13px; font-weight: 550; letter-spacing: -.01em; }
.figure-heading > span { font-size: 11px; color: var(--muted); }
.diagram-wrap { padding: 0 30px; max-width: 980px; margin-inline: auto; }
.math-diagram { width: 100%; height: auto; }
.diagram-grid { color: var(--grid); opacity: .3; }
.diagram-axis { stroke: var(--line); }
.unit-circle { stroke: var(--blue); opacity: .6; }
.sine-background { stroke: var(--cyan); opacity: .35; }
.sine-wave { stroke: var(--cyan); }
.projection-line { stroke: var(--muted); opacity: .7; }
.radius-line { stroke: var(--blue); }
.angle-arc { stroke: var(--gold); }
.origin-point { fill: var(--muted); }
.circle-point { fill: var(--blue); stroke: var(--panel); stroke-width: 2; }
.wave-point { fill: var(--cyan); stroke: var(--panel); stroke-width: 2; }
.diagram-label { fill: var(--muted); font-size: 10px; letter-spacing: 2px; }
.axis-label { fill: var(--muted); font-size: 13px; }
.theta-label { fill: var(--gold); font-size: 18px; font-family: Georgia, "Times New Roman", serif; font-style: italic; }
.formula-label { fill: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: 23px; font-style: italic; }
.figure-controls { align-items: center; width: min(650px, calc(100% - 54px)); margin: 0 auto 20px; gap: 16px; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
#play-toggle { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 36px; min-width: 77px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); font-size: 11px; }
#play-toggle:hover { border-color: var(--blue); color: var(--blue); }
.play-icon { font-size: 9px; }
.figure-controls label { min-width: 70px; white-space: nowrap; }
#angle-value { color: var(--ink); }
#angle { width: 100%; min-width: 50px; height: 30px; accent-color: var(--blue); margin: 0; }
.sine-readout { white-space: nowrap; min-width: 97px; }
.sine-readout output { color: var(--ink); }
figcaption { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--muted); font-size: 10px; border-top: 1px solid var(--line); padding: 10px 18px; }
.figure-note-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }
.section-space { padding-top: 105px; padding-bottom: 105px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; }
h2 { font-size: clamp(32px, 3.3vw, 44px); font-weight: 500; letter-spacing: -.045em; line-height: 1.17; }
.section-heading h2, .workflow-copy h2, .community-copy h2 { margin-top: 19px; }
.section-intro { font-size: 14px; line-height: 1.85; color: var(--muted); max-width: 300px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px; margin-top: 55px; }
.value-item { padding-top: 22px; border-top: 1px solid var(--line); }
.value-top { display: flex; align-items: center; justify-content: space-between; }
.value-icon { width: 43px; height: 43px; color: var(--blue); }
.value-item:nth-child(2) .value-icon { color: var(--cyan); }
.value-item:nth-child(3) .value-icon { color: var(--gold); }
.item-number { color: var(--muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.value-item h3 { font-size: 18px; font-weight: 500; line-height: 1.5; letter-spacing: -.025em; margin-top: 25px; }
.value-item p { font-size: 13px; line-height: 1.85; color: var(--muted); margin-top: 10px; max-width: 310px; }
.workflow-section { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.workflow-copy .section-intro { max-width: 375px; margin-top: 25px; }
.workflow-note { font-size: 10px; margin-top: 33px; letter-spacing: .035em; color: var(--muted); }
.workflow-steps { margin: 0; padding: 0; list-style: none; }
.workflow-steps li { display: grid; grid-template-columns: 28px 1fr; gap: 23px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.workflow-steps li:first-child { padding-top: 0; }
.workflow-steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.step-number { font-size: 11px; color: var(--blue); padding-top: 4px; }
.workflow-steps h3 { font-size: 18px; font-weight: 500; letter-spacing: -.02em; line-height: 1.5; }
.workflow-steps p { font-size: 13px; line-height: 1.8; color: var(--muted); margin-top: 8px; }
.get-started .section-heading { align-items: start; }
.start-intro { padding-top: 35px; }
.release-badges { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; max-width: 330px; font-size: 10px; line-height: 1.8; margin-top: 16px; color: var(--muted); }
.release-badges a { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 3px; padding: 2px 8px; }
.release-badges a:hover { border-color: var(--blue); }
.release-badges a > span:last-child { opacity: .75; }
.release-badges .status-dot { width: 4px; height: 4px; }
.agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 44px; }
.agent-card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 28px 31px 31px; }
.agent-top { display: flex; justify-content: space-between; align-items: center; }
.agent-symbol { font-size: 33px; line-height: 1; color: var(--ink); }
.agent-card:nth-child(2) .agent-symbol { color: var(--gold); }
.agent-card h3 { font-size: 25px; font-weight: 500; letter-spacing: -.04em; margin-top: 22px; }
.agent-card p { font-size: 13px; color: var(--muted); margin-top: 9px; line-height: 1.7; }
.agent-links { display: flex; align-items: center; gap: 24px; margin-top: 27px; }
.button-outline { border: 1px solid var(--line); gap: 24px; min-height: 43px; padding-inline: 15px; font-size: 12px; }
.button-outline:hover { border-color: var(--blue); color: var(--blue); }
.agent-links > .text-link { font-size: 11px; }
.agent-links > .text-link svg { width: 15px; height: 15px; }
.setup-note { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 25px 0; margin-top: 7px; border-bottom: 1px solid var(--line); }
.setup-note h3 { font-size: 14px; font-weight: 550; }
.setup-note p { max-width: 650px; font-size: 12px; line-height: 1.8; color: var(--muted); margin-top: 6px; }
.setup-note .text-link { flex-shrink: 0; font-size: 12px; }
.alpha-note { max-width: 900px; font-size: 11px; line-height: 1.9; color: var(--muted); margin-top: 19px; }
.alpha-note a { display: inline; text-decoration: underline; text-underline-offset: 3px; }
.alpha-note svg { width: 12px; height: 12px; display: inline; vertical-align: -2px; margin-left: 3px; }
.community-section { background: #101f2d; color: #f3f5f3; overflow: hidden; }
.community-inner { position: relative; padding-top: 76px; padding-bottom: 80px; }
.community-copy { position: relative; z-index: 1; max-width: 730px; }
.community-copy .eyebrow { color: #a3b6c6; }
.community-copy h2 { font-size: clamp(35px, 3.6vw, 48px); }
.community-copy > p:not(.eyebrow) { font-size: 14px; line-height: 1.85; max-width: 550px; color: #b7c5d0; margin-top: 24px; }
.community-actions { display: flex; align-items: center; gap: 25px; margin-top: 30px; }
.button-light { color: #12202b; background: #f1f4f3; font-size: 12px; }
.community-actions .text-link { font-size: 12px; }
.community-actions .text-link:hover { color: #91c4ff; }
.community-orbit { position: absolute; width: 420px; height: 420px; top: 39px; right: -140px; border: 1px solid #526779; border-radius: 50%; opacity: .6; }
.community-orbit span { position: absolute; border: 1px solid #526779; border-radius: 50%; inset: 50px; }
.community-orbit span:nth-child(2) { inset: 100px; }
.community-orbit span:nth-child(3) { inset: 150px; }
.community-orbit i { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: #ffd166; top: 52px; left: 57px; box-shadow: 0 0 0 6px #101f2d; }
.site-footer { padding-top: 42px; padding-bottom: 30px; }
.footer-top { display: flex; align-items: center; gap: 25px; }
.footer-top .brand { font-size: 20px; }
.footer-top .brand-symbol { width: 29px; height: 29px; }
.footer-top > p { color: var(--muted); font-size: 11px; }
.back-top { margin-left: auto; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 50%; }
.back-top:hover { color: var(--blue); border-color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; align-items: start; gap: 45px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); }
.footer-bottom p { color: var(--muted); font-size: 10px; line-height: 1.8; max-width: 540px; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 8px 18px; flex-shrink: 0; font-size: 10px; line-height: 1.8; color: var(--muted); }
html[lang="zh-CN"] h1 { font-size: clamp(43px, 5.2vw, 68px); line-height: 1.35; letter-spacing: -.045em; }
html[lang="zh-CN"] .hero-copy { grid-template-columns: 1.7fr 1fr; }
html[lang="zh-CN"] .hero-intro { font-size: 19px; line-height: 1.75; }
html[lang="zh-CN"] .eyebrow { letter-spacing: .16em; }
html[lang="zh-CN"] h2 { line-height: 1.35; }
html[lang="zh-CN"] .hero-detail { line-height: 1.9; }
@media (min-width: 1500px) { .hero { padding-top: 95px; } .hero h1 { font-size: 80px; } }
@media (max-width: 1050px) {
  .shell { width: calc(100% - 64px); }
  .header-inner { gap: 20px; }
  .main-nav { gap: 17px; font-size: 11px; }
  .preferences { gap: 12px; }
  .theme-control { padding-left: 10px; }
  .hero-copy { grid-template-columns: 1.4fr 1fr; gap: 25px; }
  .hero-aside { padding-left: 25px; }
  .hero-intro { font-size: 18px; }
  .hero-note { display: none; }
  .workflow-inner { gap: 50px; }
  .agent-links { gap: 15px; }
  .agent-card { padding: 25px; }
  .footer-bottom { gap: 30px; }
  .footer-bottom p { max-width: 420px; }
  .footer-bottom nav { max-width: 300px; }
}
@media (max-width: 800px) {
  .header-inner { min-height: 78px; flex-wrap: wrap; padding-block: 18px; row-gap: 12px; }
  .brand { font-size: 21px; }
  .brand-symbol { width: 31px; height: 31px; }
  .preferences { margin-left: auto; }
  .main-nav { order: 3; margin-left: 0; width: 100%; justify-content: space-between; padding-top: 10px; border-top: 1px solid var(--line); }
  .hero { padding-top: 49px; }
  .hero-copy, html[lang="zh-CN"] .hero-copy { grid-template-columns: 1fr; gap: 25px; }
  h1 { font-size: 66px; }
  html[lang="zh-CN"] h1 { font-size: 56px; }
  .hero-aside { padding: 0; border: 0; max-width: 490px; }
  .hero-intro { max-width: none; font-size: 18px; }
  .hero-detail { max-width: 460px; margin-top: 8px; font-size: 13px; }
  .hero-actions { margin-top: 25px; }
  .math-figure { margin-top: 35px; }
  .figure-heading { padding: 18px 20px 0; }
  .figure-heading > span { display: none; }
  .js .figure-heading > .js-only { display: none !important; }
  .diagram-wrap { padding: 5px 8px; }
  .section-space { padding-top: 75px; padding-bottom: 75px; }
  .section-heading { gap: 30px; }
  h2 { font-size: 34px; }
  .section-intro { max-width: 250px; font-size: 13px; }
  .value-grid { gap: 25px; margin-top: 38px; }
  .value-item h3 { font-size: 16px; }
  .value-item p { font-size: 12px; }
  .workflow-inner { gap: 35px; }
  .workflow-steps li { gap: 15px; grid-template-columns: 22px 1fr; }
  .workflow-steps h3 { font-size: 16px; }
  .workflow-steps p { font-size: 12px; }
  .start-intro { padding-top: 23px; }
  .agent-card { padding: 22px; }
  .agent-links { flex-direction: column; align-items: start; gap: 15px; }
  .setup-note { gap: 25px; }
  .setup-note p { font-size: 11px; }
  .setup-note .text-link { font-size: 11px; }
  .community-orbit { opacity: .25; right: -200px; }
  .footer-bottom { flex-direction: column; gap: 18px; }
  .footer-bottom p { max-width: 560px; }
  .footer-bottom nav { max-width: none; }
}
@media (max-width: 540px) {
  html { scroll-padding-top: 25px; }
  .shell { width: calc(100% - 40px); }
  .header-inner { min-height: 99px; padding-block: 13px; gap: 11px; }
  .brand { gap: 7px; font-size: 19px; }
  .brand-symbol { width: 28px; height: 28px; }
  .preferences { gap: 10px; font-size: 10px; }
  .language-switch { gap: 5px; }
  .theme-control { padding-left: 9px; }
  .theme-control svg { width: 15px; height: 15px; }
  .theme-control select { font-size: 10px; max-width: 75px; }
  .main-nav { padding-top: 10px; font-size: 10px; }
  .hero { padding-top: 37px; }
  .eyebrow { font-size: 9px; letter-spacing: .1em; }
  .hero-copy { margin-top: 22px; gap: 23px; }
  h1 { font-size: clamp(40px, 10.4vw, 55px); line-height: 1.12; letter-spacing: -.06em; }
  html[lang="zh-CN"] h1 { font-size: clamp(30px, 8.6vw, 44px); line-height: 1.45; }
  .hero-intro, html[lang="zh-CN"] .hero-intro { font-size: 16px; line-height: 1.7; }
  .hero-detail { font-size: 12px; line-height: 1.8; margin-top: 8px; }
  .hero-actions { gap: 21px; margin-top: 24px; }
  .button { font-size: 11px; min-height: 44px; padding-inline: 17px; gap: 21px; }
  .text-link { font-size: 11px; gap: 4px; }
  .button svg, .text-link svg { width: 16px; height: 16px; }
  .math-figure { margin-top: 30px; }
  .figure-heading { padding: 17px 14px 0; }
  .figure-heading h2 { font-size: 11px; }
  .diagram-wrap { padding: 4px 6px 5px; }
  .math-diagram { min-width: 0; }
  .math-diagram .axis-label { font-size: 25px; }
  .math-diagram .diagram-label { font-size: 22px; letter-spacing: .5px; }
  .math-diagram .theta-label { font-size: 26px; }
  .math-diagram .formula-label { font-size: 34px; }
  .figure-controls { width: calc(100% - 28px); flex-wrap: wrap; gap: 4px 12px; margin-bottom: 14px; }
  #play-toggle { min-width: 62px; min-height: 34px; font-size: 10px; order: 0; }
  .figure-controls label { order: 1; margin-left: auto; min-width: auto; font-size: 10px; }
  .sine-readout { order: 2; font-size: 10px; min-width: 86px; text-align: right; }
  #angle { order: 3; flex-basis: 100%; margin-top: 4px; height: 25px; }
  figcaption { font-size: 9px; padding: 9px 10px; }
  .section-space { padding-top: 58px; padding-bottom: 58px; }
  .section-heading { flex-direction: column; align-items: start; gap: 21px; }
  h2 { font-size: 31px; }
  .section-heading h2, .workflow-copy h2, .community-copy h2 { margin-top: 15px; }
  .section-intro { max-width: none; font-size: 13px; }
  .value-grid { grid-template-columns: 1fr; gap: 25px; margin-top: 30px; }
  .value-item { position: relative; padding-top: 20px; padding-left: 57px; }
  .value-top { position: absolute; left: 0; top: 22px; }
  .value-icon { width: 35px; height: 35px; }
  .value-top .item-number { display: none; }
  .value-item h3 { margin-top: 0; font-size: 17px; }
  .value-item p { max-width: none; font-size: 12px; margin-top: 7px; }
  .workflow-inner { grid-template-columns: 1fr; gap: 31px; }
  .workflow-copy .section-intro { margin-top: 18px; max-width: none; }
  .workflow-note { margin-top: 20px; font-size: 9px; }
  .workflow-steps li { padding-block: 23px; grid-template-columns: 22px 1fr; gap: 14px; }
  .workflow-steps h3 { font-size: 16px; }
  .workflow-steps p { font-size: 12px; margin-top: 7px; }
  .get-started .section-heading { gap: 17px; }
  .start-intro { padding-top: 0; }
  .release-badges { margin-top: 14px; gap: 8px; }
  .agent-grid { grid-template-columns: 1fr; gap: 15px; margin-top: 27px; }
  .agent-card { padding: 23px; }
  .agent-card h3 { font-size: 24px; margin-top: 19px; }
  .agent-card p { font-size: 12px; }
  .agent-links { flex-direction: row; align-items: center; gap: 22px; margin-top: 22px; }
  .agent-links .button { min-height: 41px; font-size: 11px; padding-inline: 13px; }
  .setup-note { flex-direction: column; align-items: start; gap: 15px; padding-block: 22px; }
  .setup-note h3 { font-size: 13px; }
  .setup-note p { font-size: 12px; }
  .alpha-note { font-size: 10px; line-height: 1.9; }
  .community-inner { padding-block: 57px; }
  .community-copy h2 { font-size: 30px; line-height: 1.35; }
  .community-copy > p:not(.eyebrow) { font-size: 12px; margin-top: 20px; max-width: 310px; }
  .community-actions { flex-direction: column; align-items: start; gap: 19px; margin-top: 25px; }
  .community-actions .button { font-size: 11px; }
  .community-actions .text-link { font-size: 11px; }
  .community-orbit { width: 330px; height: 330px; right: -250px; top: 45px; }
  .site-footer { padding-top: 30px; padding-bottom: 25px; }
  .footer-top { flex-wrap: wrap; gap: 13px; }
  .footer-top .brand { font-size: 18px; }
  .footer-top > p { width: calc(100% - 50px); order: 3; font-size: 10px; }
  .back-top { width: 30px; height: 30px; }
  .footer-bottom { margin-top: 22px; padding-top: 17px; gap: 16px; }
  .footer-bottom p { font-size: 9px; }
  .footer-bottom nav { gap: 8px 15px; font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}