*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --by-bg: #050B14;
  --by-bg-soft: #0A0F1A;
  --by-panel: #1A1F29;
  --by-red: #E63946;
  --by-red-light: #FF4D4F;
  --by-gold: #FFD700;
  --by-blue: #1D3557;
  --by-white: #FFFFFF;
  --by-gray: #D0D2D6;
  --by-danger: #FF4D4F;
  --by-font-head: "Roboto Slab", "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --by-font-body: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --by-font-num: "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", Consolas, "Andale Mono", monospace;
  --by-header-h: 68px;
  --by-container: 1360px;
  --by-ease: cubic-bezier(.22, 1, .36, 1);
}

html {
  background: var(--by-bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  min-width: 320px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--by-font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--by-white);
  background: var(--by-bg);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--by-header-h);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 240;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 42%, rgba(230,57,70,.10) 48%, rgba(29,53,87,.40) 52%, transparent 58%);
  transform: translateX(-110%);
}

@media (prefers-reduced-motion: no-preference) {
  body::after {
    animation: by-sweep .7s var(--by-ease) .05s 1 normal forwards;
  }
}

@keyframes by-sweep {
  to { transform: translateX(110%); }
}

h1, h2, h3 {
  font-family: var(--by-font-head);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(34px, 6vw, 72px); }
h2 { font-size: clamp(26px, 4vw, 44px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); }

p, ul, ol, dl, figure, table, blockquote { margin: 0 0 1.2em; }

a { color: inherit; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; cursor: pointer; }

::selection {
  background: var(--by-red);
  color: var(--by-white);
}

:focus-visible {
  outline: 2px solid var(--by-gold);
  outline-offset: 3px;
}

[hidden] { display: none !important; }

.by-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.by-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  display: inline-block;
  padding: .6em 1.2em;
  background: var(--by-red);
  color: var(--by-white);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transform: translateY(calc(-100% - 24px));
  transition: transform .28s var(--by-ease);
}

.by-skip:focus-visible {
  transform: translateY(0);
}

.by-container {
  width: min(100%, var(--by-container));
  margin-inline: auto;
  padding-inline: clamp(18px, 3.2vw, 40px);
}

.by-container--wide {
  --by-container: 1600px;
}

.by-main {
  min-height: 60vh;
}

.by-section {
  position: relative;
  padding-block: clamp(44px, 7vw, 96px);
}

.by-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 28px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.by-section-head--split {
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding-bottom: 18px;
}

.by-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--by-red);
}

.by-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--by-red);
  transform: skew(-24deg);
}

.by-title {
  font-family: var(--by-font-head);
  font-weight: 900;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.by-title--display {
  font-family: Impact, "Arial Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(56px, 11vw, 150px);
  line-height: .92;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.by-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--by-gray);
  max-width: 66ch;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 84;
  height: var(--by-header-h);
  background: rgba(5, 11, 20, .78);
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(92deg, var(--by-red) 0%, var(--by-red) 52%, var(--by-gold) 52%, var(--by-gold) 66%, rgba(255,255,255,.08) 66%);
  z-index: 3;
}

.site-header[data-scrolled="true"] {
  background: rgba(5, 11, 20, .97);
  border-bottom-color: rgba(255,255,255,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,.32);
}

.site-header__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
  padding-inline: clamp(16px, 2.6vw, 40px);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-header__brand-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 16px;
  text-decoration: none;
  color: var(--by-white);
}

.site-header__brand-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 26px;
  background: var(--by-red);
  transform: translateY(-50%) skew(-16deg);
}

.site-header__brand-cn {
  font-family: var(--by-font-head);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: .04em;
  line-height: 1;
}

.site-header__brand-en {
  font-family: var(--by-font-num);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--by-gray);
  white-space: nowrap;
}

.site-header__badge {
  display: inline-flex;
  align-items: center;
  gap: .35em;
  padding: .28em .5em;
  background: var(--by-red);
  color: var(--by-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1;
  transform: skew(-12deg);
}

.site-header__badge::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--by-gold);
  display: inline-block;
}

.site-header__nav {
  flex: 0 1 auto;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(2px, .8vw, 10px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 22px 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: rgba(255,255,255,.82);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s ease;
}

.site-header__nav-link:hover {
  color: var(--by-white);
}

.site-header__nav-index {
  font-family: var(--by-font-num);
  font-size: 10px;
  font-weight: 700;
  color: var(--by-red);
  letter-spacing: 0;
}

.site-header__nav-label {
  line-height: 1;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--by-red), var(--by-gold));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .28s var(--by-ease);
}

.site-header__nav-link:hover::after,
.site-header__nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--by-red);
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.14);
  cursor: pointer;
  transition: border-color .2s ease;
}

.site-header__toggle:hover {
  border-color: var(--by-red);
}

.site-header__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--by-white);
  transition: transform .32s var(--by-ease), opacity .2s ease;
}

.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 5px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--by-red), var(--by-gold));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 2;
}

.by-back-top {
  position: fixed;
  right: clamp(16px, 3vw, 34px);
  bottom: clamp(16px, 3vw, 34px);
  z-index: 82;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  background: var(--by-red);
  border: none;
  color: var(--by-white);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease, background .25s ease;
}

.by-back-top[data-visible] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.by-back-top:hover {
  background: var(--by-gold);
  color: var(--by-bg);
}

.by-back-top__glyph {
  display: inline-block;
  transform: translateY(-1px);
}

.by-scrim {
  position: fixed;
  top: var(--by-header-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: rgba(5, 11, 20, .55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .32s ease;
}

.by-scrim[data-visible] {
  opacity: 1;
  pointer-events: auto;
}

.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 112px);
  background: linear-gradient(180deg, rgba(26,31,41,.5), var(--by-bg) 42%), var(--by-bg);
  border-top: 1px solid rgba(255,255,255,.05);
}

.site-footer__strip {
  height: 8px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  background: repeating-linear-gradient(
    135deg,
    transparent 0 12px,
    rgba(230,57,70,.55) 12px 13px,
    transparent 13px 28px,
    rgba(255,215,0,.28) 28px 29px,
    transparent 29px 48px
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr) minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 48px);
}

.site-footer__logo {
  font-family: var(--by-font-head);
  font-size: clamp(26px, 2.4vw, 34px);
  font-weight: 900;
  letter-spacing: .03em;
  line-height: 1.1;
  margin: 0 0 10px;
}

.site-footer__slogan {
  color: rgba(255,255,255,.52);
  font-size: 13px;
  line-height: 1.8;
  max-width: 30em;
}

.site-footer__heading {
  margin: 0 0 14px;
  font-family: var(--by-font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--by-red);
}

.site-footer__nav,
.site-footer__legal {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}

.site-footer__nav a,
.site-footer__legal a {
  padding: 2px 0 2px 8px;
  border-left: 2px solid transparent;
  color: rgba(255,255,255,.62);
  text-decoration: none;
  font-size: 14px;
  transition: color .22s ease, border-color .22s ease, padding-left .22s ease;
}

.site-footer__nav a:hover,
.site-footer__legal a:hover {
  color: var(--by-red);
  border-left-color: var(--by-red);
  padding-left: 14px;
}

.site-footer__contact {
  display: grid;
  gap: 8px;
  font-style: normal;
  color: rgba(255,255,255,.62);
  font-size: 13px;
  line-height: 1.7;
}

.site-footer__contact span::before {
  content: "／";
  display: inline-block;
  margin-right: 6px;
  color: var(--by-red);
  font-weight: 700;
}

.site-footer__meta {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 16px 0 20px;
}

.site-footer__meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  font-size: 12px;
  color: rgba(255,255,255,.42);
}

.site-footer::after {
  content: "";
  display: block;
  height: 10px;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0 12px,
    rgba(255,255,255,.05) 12px 13px,
    transparent 13px 26px,
    rgba(230,57,70,.18) 26px 27px
  );
}

.by-btn {
  --by-notch: 12px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .72em 1.5em;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--by-white);
  background: transparent;
  border: 1px solid rgba(255,255,255,.32);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--by-notch)) 0, 100% var(--by-notch), 100% 100%, var(--by-notch) 100%, 0 calc(100% - var(--by-notch)));
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}

.by-btn:hover {
  background: rgba(230,57,70,.12);
  border-color: var(--by-red);
  transform: translateY(-2px);
}

.by-btn--primary {
  background: var(--by-red);
  border-color: var(--by-red);
  color: var(--by-white);
}

.by-btn--primary:hover {
  background: var(--by-red-light);
  border-color: var(--by-red-light);
  color: var(--by-white);
}

.by-btn--ghost {
  border-color: var(--by-red);
  color: var(--by-white);
}

.by-btn--ghost:hover {
  background: var(--by-red);
  color: var(--by-white);
}

.by-btn--gold {
  background: var(--by-gold);
  border-color: var(--by-gold);
  color: var(--by-bg);
}

.by-btn--gold:hover {
  background: #FFDE33;
  border-color: #FFDE33;
  color: var(--by-bg);
}

.by-panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(160deg, rgba(26,31,41,.86), rgba(26,31,41,.42));
  border: 1px solid rgba(255,255,255,.07);
}

.by-panel::before,
.by-panel::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.by-panel::before {
  top: 0;
  right: 0;
  background: var(--by-red);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.by-panel::after {
  bottom: 0;
  left: 0;
  background: rgba(230,57,70,.22);
  clip-path: polygon(0 100%, 0 0, 100% 100%);
}

.by-tag {
  display: inline-flex;
  align-items: center;
  gap: .35em;
  padding: .15em .6em;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--by-gray);
  border: 1px solid rgba(255,255,255,.25);
}

.by-tag--red {
  color: var(--by-red);
  border-color: var(--by-red);
  background: rgba(230,57,70,.08);
}

.by-tag--gold {
  color: var(--by-gold);
  border-color: var(--by-gold);
  background: rgba(255,215,0,.06);
}

.by-note {
  display: block;
  padding: 14px 16px;
  border-left: 3px solid var(--by-red);
  background: rgba(230,57,70,.05);
  font-size: 13px;
  line-height: 1.7;
  color: var(--by-gray);
}

.by-grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

.by-grid--12 {
  grid-template-columns: repeat(12, 1fr);
}

.by-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.by-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.by-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.by-col-4 { grid-column: span 4; }
.by-col-5 { grid-column: span 5; }
.by-col-6 { grid-column: span 6; }
.by-col-7 { grid-column: span 7; }
.by-col-8 { grid-column: span 8; }

.by-media {
  --by-ratio: 16 / 9;
  position: relative;
  display: block;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, transparent 0 12px, rgba(255,255,255,.025) 12px 13px),
    radial-gradient(circle at 30% 20%, rgba(230,57,70,.14), transparent 60%),
    var(--by-panel);
  aspect-ratio: var(--by-ratio);
}

.by-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 42%, rgba(255,255,255,.07) 50%, transparent 58%);
  transform: translateX(-130%);
}

@media (prefers-reduced-motion: no-preference) {
  .by-media::before {
    animation: by-sheen 4.8s ease-in-out infinite;
  }
}

@keyframes by-sheen {
  0% { transform: translateX(-130%); }
  35% { transform: translateX(130%); }
  100% { transform: translateX(130%); }
}

.by-media--4-3 { --by-ratio: 4 / 3; }
.by-media--1-1 { --by-ratio: 1 / 1; }
.by-media--21-9 { --by-ratio: 21 / 9; }
.by-media--2-3 { --by-ratio: 2 / 3; }

.by-media[data-caption]::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 14px 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(255,255,255,.74);
  background: linear-gradient(transparent, rgba(5,11,20,.78));
}

.by-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

.by-breadcrumb li + li::before {
  content: "／";
  margin-right: 6px;
  color: var(--by-red);
}

.by-breadcrumb a {
  color: rgba(255,255,255,.62);
  text-decoration: none;
  transition: color .2s ease;
}

.by-breadcrumb a:hover {
  color: var(--by-red);
}

.by-breadcrumb [aria-current="page"] {
  color: var(--by-white);
}

.by-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.by-tab {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: .45em;
  padding: .56em 1.1em;
  background: rgba(255,255,255,.04);
  border: 1px solid transparent;
  color: var(--by-gray);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.by-tab:hover {
  color: var(--by-white);
  border-color: rgba(230,57,70,.5);
}

.by-tab[aria-selected="true"] {
  background: var(--by-red);
  border-color: var(--by-red);
  color: var(--by-white);
}

[role="tabpanel"] {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 20px;
}

.by-stat {
  display: grid;
  gap: 4px;
}

.by-stat__value {
  font-family: var(--by-font-num);
  font-weight: 700;
  font-size: clamp(44px, 7vw, 96px);
  line-height: .9;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  color: var(--by-white);
}

.by-stat__value--red { color: var(--by-red); }
.by-stat__value--gold { color: var(--by-gold); }

.by-stat__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--by-gray);
}

.by-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.by-index-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: .64em 0;
  border-bottom: 1px dashed rgba(255,255,255,.1);
}

.by-index-list__num {
  min-width: 22px;
  font-family: var(--by-font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--by-red);
}

.by-index-list__link {
  color: rgba(255,255,255,.78);
  font-weight: 600;
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.by-index-list__link:hover {
  color: var(--by-red);
  padding-left: 4px;
}

.by-index-list__meta {
  margin-left: auto;
  font-family: var(--by-font-num);
  font-size: 12px;
  color: var(--by-gray);
}

.by-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.by-data-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-family: var(--by-font-head);
  font-weight: 700;
}

.by-data-table th {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--by-gray);
  border-bottom: 2px solid rgba(255,255,255,.14);
  white-space: nowrap;
}

.by-data-table td {
  padding: 10px 12px;
  border-bottom: 1px dashed rgba(255,255,255,.07);
  font-variant-numeric: tabular-nums;
}

.by-data-table tbody tr {
  transition: background .2s ease;
}

.by-data-table tbody tr:hover {
  background: rgba(230,57,70,.07);
}

.by-data-table .num {
  font-family: var(--by-font-num);
  font-weight: 700;
}

.by-data-table .is-top {
  color: var(--by-gold);
}

.by-data-table .is-warn {
  color: var(--by-danger);
}

.by-divider {
  height: 10px;
  border: 0;
  margin: clamp(28px, 5vw, 52px) 0;
  background: repeating-linear-gradient(
    135deg,
    transparent 0 10px,
    rgba(230,57,70,.35) 10px 11px,
    transparent 11px 22px,
    rgba(255,255,255,.06) 22px 23px
  );
}

.by-motion {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.by-motion::before {
  content: "";
  position: absolute;
  top: -30%;
  bottom: -30%;
  left: 16%;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.14) 0 14px,
    transparent 14px 30px
  );
  transform: skew(-24deg);
}

.by-motion--2::before {
  left: 38%;
  background: repeating-linear-gradient(
    to bottom,
    rgba(230,57,70,.2) 0 12px,
    transparent 12px 26px
  );
}

.by-motion--3::before {
  left: 64%;
}

.js-reveal[data-reveal] {
  transition: opacity .6s var(--by-ease), transform .6s var(--by-ease);
}

.js-reveal[data-reveal]:not([data-revealed]) {
  opacity: 0;
  transform: translateY(24px);
}

@media (max-width: 992px) {
  .by-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .by-grid--12 > .by-col-4,
  .by-grid--12 > .by-col-5,
  .by-grid--12 > .by-col-6,
  .by-grid--12 > .by-col-7,
  .by-grid--12 > .by-col-8 {
    grid-column: span 12;
  }
}

@media (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 800px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    top: var(--by-header-h);
    right: 0;
    z-index: 50;
    width: min(82vw, 372px);
    height: calc(100dvh - var(--by-header-h));
    padding: clamp(24px, 6vw, 36px) clamp(20px, 7vw, 36px);
    background: rgba(5, 11, 20, .98);
    border-left: 1px solid rgba(255,255,255,.08);
    overflow-y: auto;
    transform: translateX(105%);
    transition: transform .4s var(--by-ease);
  }

  .site-header__nav[data-open] {
    transform: translateX(0);
    box-shadow: -28px 0 56px rgba(0,0,0,.45);
  }

  .site-header__nav-list {
    display: block;
  }

  .site-header__nav-item {
    border-bottom: 1px solid rgba(255,255,255,.06);
  }

  .site-header__nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 4px;
    font-family: var(--by-font-head);
    font-size: 20px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .02em;
    color: rgba(255,255,255,.78);
  }

  .site-header__nav-link::after {
    display: none;
  }

  .site-header__nav-link:hover,
  .site-header__nav-link[aria-current="page"] {
    color: var(--by-red);
  }

  .site-header__nav-index {
    font-size: 12px;
  }
}

@media (max-width: 760px) {
  .by-grid--3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  :root {
    --by-header-h: 60px;
  }

  .by-grid--2 {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-header__brand-en {
    display: none;
  }

  .site-header__brand-link {
    padding-left: 14px;
  }

  .site-header__brand-link::before {
    height: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  body::after {
    animation: none;
    display: none;
  }

  .site-header__nav {
    transition: none;
  }

  .js-reveal[data-reveal] {
    transition: none;
  }

  .js-reveal[data-reveal]:not([data-revealed]) {
    opacity: 1;
    transform: none;
  }
}