:root {
  --paper: #F5F0E6;
  --ink: #1E1E24;
  --red: #C2372B;
  --blue: #1E6BA8;
  --white: #FFFFFF;
  --gold: #D4AF37;
  --ochre: #8B5A2B;
  --barley: #EAE5D9;
  --font-head: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Source Han Serif", "SimSun", serif;
  --font-body: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-num: "Roboto Mono", "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  --radius-lg: 28px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --content-width: 1280px;
  --shadow-card: 0 14px 30px rgba(30,30,36,.07);
  --shadow-pop: 0 18px 40px rgba(30,30,36,.11);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

body, h1, h2, h3, h4, h5, h6, p, ul, ol, dl, dd, figure, blockquote {
  margin: 0;
}

ul, ol {
  padding: 0;
}

li {
  margin: 0;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

#main-content {
  display: block;
  min-height: 58vh;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 9999;
  transform: translateY(-220%);
  background: var(--gold);
  color: var(--ink);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(30,30,36,.3);
  transition: transform .2s ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 6px 24px rgba(30,30,36,.18);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 18px, var(--white) 18px 36px, var(--red) 36px 54px, var(--gold) 54px 72px, var(--barley) 72px 90px);
  pointer-events: none;
  z-index: 3;
}

.site-header__inner {
  position: relative;
  z-index: 110;
  max-width: var(--content-width);
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 4vw, 48px);
}

.site-header__brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.site-brand__mark {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--white);
  background: linear-gradient(135deg, var(--red) 0%, var(--ochre) 100%);
  padding: .34rem .5rem .3rem .82rem;
  border-radius: 4px 18px 4px 18px;
  box-shadow: 0 5px 0 rgba(0,0,0,.24), inset 0 0 0 1px rgba(255,255,255,.16);
  letter-spacing: -.04em;
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-brand__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: .06em;
  color: var(--paper);
}

.site-brand__note {
  margin-top: 4px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__item {
  margin: 0;
}

.site-nav__link {
  display: inline-block;
  padding: 8px 14px;
  margin: 4px;
  border-radius: var(--radius-pill);
  color: rgba(255,255,255,.86);
  text-decoration: none;
  font-size: .96rem;
  letter-spacing: .05em;
  border: 1px solid transparent;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.site-nav__link:hover {
  color: var(--gold);
  border-color: rgba(212,175,55,.4);
}

.site-nav__link[aria-current="page"] {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  font-weight: 600;
}

.site-nav__note {
  display: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.04);
  color: var(--paper);
  cursor: pointer;
  font-size: .9rem;
  letter-spacing: .08em;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.nav-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.nav-toggle__box {
  position: relative;
  width: 18px;
  height: 14px;
  display: inline-block;
}

.nav-toggle__bar {
  position: absolute;
  left: 0;
  top: 4px;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle__bar:nth-child(2) {
  top: auto;
  bottom: 4px;
}

body[data-nav-open] .nav-toggle__bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

body[data-nav-open] .nav-toggle__bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.nav-scrim {
  display: none;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
}

.site-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform: scaleX(0);
  transform-origin: 0 50%;
  opacity: 0;
  transition: transform .1s linear, opacity .25s ease;
  pointer-events: none;
  z-index: 120;
}

body[data-nav-open] {
  overflow: hidden;
}

.site-footer {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 18px, var(--white) 18px 36px, var(--red) 36px 54px, var(--gold) 54px 72px, var(--barley) 72px 90px);
  z-index: 2;
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(62vw, 680px);
  height: 280px;
  background: linear-gradient(135deg, rgba(194,55,43,.18), rgba(212,175,55,.08));
  clip-path: polygon(0 75%, 18% 34%, 34% 68%, 52% 18%, 70% 52%, 84% 12%, 100% 60%, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 1;
}

.site-footer__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 64px clamp(20px, 4vw, 48px) 36px;
  display: grid;
  grid-template-columns: 1.35fr .75fr 1.1fr;
  gap: clamp(28px, 5vw, 64px);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.site-footer__about {
  font-size: 1rem;
  color: rgba(255,255,255,.82);
  max-width: 36ch;
}

.site-footer__slogan {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--gold);
  letter-spacing: .1em;
}

.site-footer__trust {
  margin-top: 8px;
  font-size: .86rem;
  line-height: 1.9;
  color: rgba(255,255,255,.62);
  border-left: 3px solid var(--red);
  padding-left: 14px;
  max-width: 58ch;
}

.site-footer__heading {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: .14em;
  color: var(--paper);
  border-bottom: 1px solid rgba(255,255,255,.14);
  padding-bottom: 10px;
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
}

.site-footer__link {
  color: rgba(255,255,255,.78);
  text-decoration: none;
  font-size: .9rem;
  padding: 6px 0;
  transition: color .2s ease, padding-left .2s ease;
  border-bottom: 1px solid transparent;
}

.site-footer__link:hover {
  color: var(--gold);
  padding-left: 4px;
  border-bottom-color: rgba(212,175,55,.3);
}

.site-footer__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.site-footer__contact li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  font-size: .9rem;
}

.site-footer__contact-label {
  font-family: var(--font-num);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 4px;
}

.site-footer__contact-value {
  color: rgba(255,255,255,.8);
  line-height: 1.6;
  word-break: break-word;
}

.site-footer__bottom {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,.12);
}

.site-footer__bottom-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 16px clamp(20px, 4vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
}

.site-footer__copyright {
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: .85rem;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer__legal .site-footer__link {
  font-size: .85rem;
}

.echo-container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.echo-section {
  padding-block: clamp(56px, 9vw, 112px);
}

.echo-section--compact {
  padding-block: clamp(36px, 6vw, 64px);
}

.echo-section--gray {
  background: var(--barley);
}

.echo-section--ink {
  background: var(--ink);
  color: var(--paper);
}

.echo-section--red {
  background: var(--red);
  color: var(--white);
}

.echo-section__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  margin-bottom: 32px;
}

.echo-index {
  display: block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: .85;
  color: rgba(30,107,168,.22);
  letter-spacing: -.06em;
}

.echo-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .18em;
  color: var(--blue);
}

.echo-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--red);
  border-radius: 99px;
}

.echo-section--ink .echo-kicker,
.echo-section--red .echo-kicker {
  color: var(--gold);
}

.echo-section--ink .echo-kicker::before,
.echo-section--red .echo-kicker::before {
  background: var(--gold);
}

.echo-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.22;
  letter-spacing: .02em;
  padding-top: 20px;
  position: relative;
}

.echo-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--red) 0 55%, var(--gold) 55% 100%);
}

.echo-section--ink .echo-title::before {
  background: linear-gradient(90deg, var(--red) 0 55%, var(--gold) 55% 100%);
}

.echo-section--red .echo-title::before {
  background: linear-gradient(90deg, var(--gold) 0 55%, var(--white) 55% 100%);
}

.echo-section--ink .echo-title,
.echo-section--red .echo-title {
  color: var(--white);
}

.echo-title--center {
  text-align: center;
}

.echo-title--center::before {
  left: 50%;
  transform: translateX(-50%);
}

.echo-lede {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.9;
  color: rgba(30,30,36,.78);
  max-width: 70ch;
}

.echo-section--ink .echo-lede,
.echo-section--red .echo-lede {
  color: rgba(255,255,255,.86);
}

.echo-grid {
  display: grid;
  gap: 24px;
}

.echo-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.echo-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.echo-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.echo-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(30,30,36,.06);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}

.echo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-pop);
}

.echo-card--red {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.echo-card--ink {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.echo-card__index {
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--blue);
  margin-bottom: 8px;
}

.echo-card--red .echo-card__index,
.echo-card--ink .echo-card__index {
  color: var(--gold);
}

.echo-card__title {
  font-family: var(--font-head);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.echo-card__text {
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(30,30,36,.74);
}

.echo-card--red .echo-card__text,
.echo-card--ink .echo-card__text {
  color: rgba(255,255,255,.84);
}

.echo-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.echo-stat {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  border-top: 4px solid var(--gold);
  box-shadow: 0 10px 20px rgba(30,30,36,.06);
}

.echo-stat__label {
  display: block;
  font-size: .85rem;
  color: rgba(30,30,36,.66);
  margin-bottom: 6px;
}

.echo-stat__number {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--red);
  letter-spacing: -.04em;
}

.echo-stat__note {
  display: block;
  margin-top: 4px;
  font-size: .78rem;
  color: var(--ochre);
}

.echo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: var(--red);
  color: var(--white);
  border: 1px solid var(--red);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}

.echo-button:hover {
  transform: translateY(-2px);
  background: var(--ochre);
  border-color: var(--ochre);
}

.echo-button--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.echo-button--gold:hover {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--white);
}

.echo-button--outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.echo-button--outline:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.echo-button--on-dark {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,.35);
}

.echo-button--on-dark:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255,255,255,.06);
}

.echo-table-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.echo-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: .92rem;
}

.echo-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 20px;
  font-family: var(--font-head);
  color: var(--ink);
  background: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.echo-table th,
.echo-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--barley);
  text-align: left;
}

.echo-table th {
  font-family: var(--font-num);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
}

.echo-table td {
  font-family: var(--font-num);
}

.echo-table tbody tr:last-child td {
  border-bottom: 0;
}

.echo-table tbody tr:hover {
  background: rgba(212,175,55,.07);
}

.echo-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--barley);
  color: var(--ink);
  font-size: .8rem;
  line-height: 1.4;
  border: 1px solid transparent;
  white-space: nowrap;
}

.echo-tag--red {
  background: rgba(194,55,43,.1);
  color: var(--red);
  border-color: rgba(194,55,43,.2);
}

.echo-tag--blue {
  background: rgba(30,107,168,.1);
  color: var(--blue);
  border-color: rgba(30,107,168,.2);
}

.echo-tag--gold {
  background: rgba(212,175,55,.14);
  color: var(--ochre);
  border-color: rgba(212,175,55,.28);
}

.echo-image {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(135deg, var(--barley), var(--paper));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.echo-image::before {
  content: "";
  display: block;
  padding-bottom: 62%;
}

.echo-image[data-ratio="wide"]::before {
  padding-bottom: 42%;
}

.echo-image[data-ratio="portrait"]::before {
  padding-bottom: 125%;
}

.echo-image[data-ratio="square"]::before {
  padding-bottom: 100%;
}

.echo-image > img,
.echo-image > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.echo-image::after {
  content: "◆";
  position: absolute;
  right: 16px;
  bottom: 12px;
  color: var(--gold);
  font-size: 1rem;
  text-shadow: 0 2px 6px rgba(30,30,36,.3);
  pointer-events: none;
}

.echo-breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 0;
  margin: 0 0 28px;
  padding: 0;
  font-size: .86rem;
}

.echo-breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.echo-breadcrumb li + li::before {
  content: "/";
  margin: 0 10px;
  font-family: var(--font-num);
  color: var(--red);
}

.echo-breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.echo-breadcrumb a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.echo-breadcrumb [aria-current="page"] {
  color: var(--ochre);
  font-weight: 600;
}

.echo-page-intro {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 32px;
  align-items: end;
  padding-block: clamp(32px, 6vw, 64px) clamp(24px, 4vw, 40px);
}

.echo-page-intro__title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.16;
  margin: 0;
  letter-spacing: .02em;
}

.echo-page-intro__meta {
  margin-top: 14px;
  font-family: var(--font-num);
  font-size: .86rem;
  color: var(--blue);
  letter-spacing: .08em;
}

.echo-prose {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(30,30,36,.84);
}

.echo-prose p {
  margin: 0 0 1.4em;
}

.echo-prose h2,
.echo-prose h3 {
  font-family: var(--font-head);
  margin: 2em 0 .6em;
}

.echo-prose h4 {
  margin: 1.5em 0 .4em;
  font-family: var(--font-head);
}

.echo-prose ul,
.echo-prose ol {
  margin: 0 0 1.4em;
  padding-left: 1.35em;
}

.echo-prose a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.echo-prose a:hover {
  color: var(--red);
}

.echo-prose blockquote {
  margin: 0 0 1.4em;
  padding: 18px 24px;
  border-left: 4px solid var(--red);
  background: var(--barley);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1);
}

.js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1024px) {
  .echo-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .echo-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .site-header__inner {
    min-height: 72px;
    padding-block: 10px;
  }

  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 120;
  }

  body[data-nav-open] .nav-toggle {
    position: fixed;
    top: 14px;
    right: 20px;
    background: var(--ink);
    border-color: var(--gold);
  }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 95;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: rgba(30,30,36,.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .25s ease, visibility .25s ease;
  }

  body[data-nav-open] .nav-scrim {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(88vw, 380px);
    height: 100dvh;
    margin: 0;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 88px 24px 32px;
    background: var(--ink);
    border-left: 1px solid rgba(255,255,255,.14);
    box-shadow: -20px 0 60px rgba(0,0,0,.4);
    transform: translateX(100%);
    visibility: hidden;
    opacity: 0;
    transition: transform .3s ease, visibility .3s ease, opacity .3s ease;
    overflow-y: auto;
    z-index: 100;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    display: block;
    font-size: 1.12rem;
    padding: 14px 16px;
    margin: 0;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }

  .site-nav__note {
    display: block;
    margin-top: 24px;
    padding: 16px;
    background: rgba(255,255,255,.05);
    border-radius: var(--radius-md);
    color: var(--gold);
    font-size: .8rem;
    line-height: 1.7;
    letter-spacing: .08em;
  }
}

@media (max-width: 760px) {
  .echo-page-intro {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .echo-grid--2,
  .echo-grid--3,
  .echo-grid--4 {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .site-footer__brand {
    grid-column: auto;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__legal {
    gap: 14px 18px;
  }
}

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

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

  .site-header__progress {
    display: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}