/* =========================================================
   易倍看台 · 共享站点样式 /assets/site.css
   01 设计变量  02 重置  03 中文排版  04 布局
   05 按钮与链接  06 头部  07 页脚  08 通用组件
   09 响应式  10 可访问性
   ========================================================= */

/* ---------- 01 设计变量 ---------- */
:root {
  --bg: #06101D;
  --panel: #0C1B2C;
  --card: #12263A;
  --ink: #F2F7F6;
  --muted: #91A7B8;
  --line: #2A4258;
  --mint: #29F3C3;
  --mint-deep: #0E8F78;
  --amber: #FF8A3D;
  --coral: #FF5D6C;

  --cut: 14px;
  --cut-sm: 8px;
  --wrap: 1240px;
  --pad: 20px;

  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(.2, .8, .2, 1);
  --fast: 160ms;
  --slow: 240ms;
}

@media (min-width: 768px) {
  :root { --pad: 32px; }
}

/* ---------- 02 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 140px;
}

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

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(42, 66, 88, .22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 66, 88, .22) 1px, transparent 1px);
  background-size: 100% 120px, 120px 100%;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

ul,
ol { margin: 0; padding: 0; list-style: none; }

p { margin: 0; }

a {
  color: var(--mint);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

input { font: inherit; }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- 03 中文排版 ---------- */
h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(32px, 5vw, 64px); }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: clamp(18px, 2vw, 24px); }
h4 { font-size: 18px; }

.mono {
  font-family: var(--mono);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mint);
}

.lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 04 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.page-main {
  display: block;
  padding-block: 0 40px;
}

.section {
  padding-block: clamp(40px, 6vw, 72px);
}

.section--tight { padding-block: clamp(28px, 4vw, 48px); }

.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- 05 按钮与链接 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1;
  color: #04140F;
  background: var(--mint);
  border: 0;
  border-radius: 0;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color var(--fast) var(--ease),
              color var(--fast) var(--ease),
              filter var(--slow) var(--ease);
}

.btn:hover {
  background: #55FAD2;
  filter: drop-shadow(0 0 14px rgba(41, 243, 195, .45));
}

.btn-accent {
  background: var(--amber);
  color: #1B0C02;
}

.btn-accent:hover {
  background: #FFA268;
  filter: drop-shadow(0 0 16px rgba(255, 138, 61, .55));
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

.btn-ghost:hover {
  background: transparent;
  color: var(--mint);
  box-shadow: inset 0 0 0 1px var(--mint);
  filter: none;
}

.btn-sm {
  min-height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.link-quiet {
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.link-quiet:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.copy-btn:hover {
  color: var(--mint);
  box-shadow: inset 0 0 0 1px var(--mint-deep);
}

/* ---------- 06 头部 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 12px 20px;
  background: var(--mint);
  color: #04140F;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--fast) var(--ease);
}

.skip-link:focus-visible,
.skip-link:focus {
  transform: none;
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--slow) var(--ease);
}

.site-header[data-condensed="true"] {
  box-shadow: 0 14px 34px rgba(0, 0, 0, .5);
}

.header-top {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.header-top-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 66px;
  padding-block: 12px;
  transition: min-height var(--slow) var(--ease), padding-block var(--slow) var(--ease);
}

.site-header[data-condensed="true"] .header-top-inner {
  min-height: 54px;
  padding-block: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: block;
  flex: none;
  width: 36px;
  height: 36px;
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}

.brand-mark::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 7px;
  width: 16px;
  height: 7px;
  background: var(--mint);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 7px;
  bottom: 7px;
  width: 9px;
  height: 9px;
  background: var(--amber);
  border-radius: 50%;
}

.brand-text {
  display: block;
  min-width: 0;
}

.brand-name {
  display: block;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
}

.brand-tagline {
  display: block;
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  line-height: 1.4;
  color: var(--muted);
  overflow: hidden;
  max-height: 16px;
  transition: max-height var(--slow) var(--ease), opacity var(--slow) var(--ease);
}

.site-header[data-condensed="true"] .brand-tagline {
  max-height: 0;
  opacity: 0;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  min-width: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.header-meta-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-version {
  flex: none;
  padding: 1px 7px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mint);
  box-shadow: inset 0 0 0 1px var(--mint-deep);
}

.dot {
  display: inline-block;
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-live {
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(41, 243, 195, .16);
}

.header-utility {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  flex: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 13px;
  position: relative;
  z-index: 95;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.nav-toggle:hover {
  color: var(--mint);
  box-shadow: inset 0 0 0 1px var(--mint-deep);
}

.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle-icon span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--slow) var(--ease), opacity var(--fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle-text {
  font-family: var(--mono);
  letter-spacing: .08em;
}

.header-nav {
  position: relative;
  background: var(--bg);
}

.header-nav-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 54px;
  transition: min-height var(--slow) var(--ease);
}

.site-header[data-condensed="true"] .header-nav-inner {
  min-height: 44px;
}

.nav-label {
  flex: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--mint-deep);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--slow) var(--ease);
}

.nav-list a:hover { color: var(--ink); }
.nav-list a:hover::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] {
  color: var(--mint);
}

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-status {
  margin-left: auto;
  flex: none;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

.nav-cta { display: none; }

/* ---------- 07 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg,
    var(--mint) 0 72px,
    var(--amber) 72px 104px,
    var(--line) 104px 100%);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-block: clamp(36px, 5vw, 60px) clamp(28px, 4vw, 44px);
}

.footer-brand .brand-mark { width: 32px; height: 32px; }

.footer-summary {
  margin-top: 18px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

.footer-legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-live { background: var(--mint); }
.legend-soon { background: var(--muted); }
.legend-alert { background: var(--coral); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 28px;
}

.footer-col-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.footer-links li + li { margin-top: 10px; }

.footer-links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.footer-links a:hover { color: var(--mint); }

.footer-contact {
  border-top: 1px solid var(--line);
}

.footer-contact-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding-block: 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
}

.footer-contact-inner a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.footer-contact-inner a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.footer-legal {
  border-top: 1px solid var(--line);
}

.footer-legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 16px 28px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-copy {
  font-family: var(--mono);
  letter-spacing: .02em;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-legal-links a {
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
}

.footer-legal-links a:hover { color: var(--mint); }

/* ---------- 08 通用组件 ---------- */
.cut {
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut, 14px)) 0,
    100% var(--cut, 14px),
    100% 100%,
    var(--cut, 14px) 100%,
    0 calc(100% - var(--cut, 14px))
  );
}

.panel {
  position: relative;
  background: var(--panel);
  padding: clamp(20px, 3vw, 36px);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(42, 66, 88, .85);
}

.card {
  position: relative;
  background: var(--card);
  padding: 20px;
  transition: background-color var(--fast) var(--ease);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(42, 66, 88, .9);
  transition: box-shadow var(--fast) var(--ease);
}

.card:hover::after {
  box-shadow: inset 0 0 0 1px var(--mint-deep);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--line);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs a:hover { color: var(--mint); }

.breadcrumbs [aria-current="page"] { color: var(--ink); }

.media-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, rgba(41, 243, 195, .12), rgba(6, 16, 29, 0) 62%),
    var(--card);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 0 100%);
}

.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.accordion {
  display: grid;
  gap: 8px;
}

.acc-item {
  position: relative;
  background: var(--card);
  box-shadow: inset 0 0 0 1px rgba(42, 66, 88, .9);
  transition: box-shadow var(--fast) var(--ease);
}

.acc-item:hover {
  box-shadow: inset 0 0 0 1px var(--mint-deep);
}

.acc-head { margin: 0; }

.acc-trigger {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  transition: color var(--fast) var(--ease);
}

.acc-trigger:hover { color: var(--mint); }

.acc-trigger[aria-expanded="true"] { color: var(--mint); }

.acc-num {
  flex: none;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mint-deep);
}

.acc-trigger[aria-expanded="true"] .acc-num { color: var(--mint); }

.acc-title {
  flex: 1 1 auto;
  min-width: 0;
}

.acc-trigger::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--muted);
  transition: transform var(--slow) var(--ease), color var(--fast) var(--ease);
}

.acc-trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--mint);
}

.acc-panel {
  padding: 0 18px 18px 46px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.acc-panel[hidden] { display: none; }

/* ---------- 09 响应式 ---------- */
@media (max-width: 1120px) {
  .header-meta,
  .nav-status { display: none; }
}

@media (max-width: 920px) {
  .nav-toggle { display: inline-flex; }

  .header-utility { display: none; }

  .header-top-inner { min-height: 58px; }

  .header-nav {
    position: fixed;
    inset: 0;
    z-index: 85;
    display: flex;
    flex-direction: column;
    padding: 84px var(--pad) calc(var(--pad) + 8px);
    background: var(--bg);
    border-top: 1px solid var(--line);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity var(--slow) var(--ease),
                transform var(--slow) var(--ease),
                visibility var(--slow) var(--ease);
  }

  .header-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .header-nav-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 0;
  }

  .nav-label {
    padding-bottom: 14px;
    color: var(--mint-deep);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 16px 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }

  .nav-list a::after {
    left: 0;
    right: auto;
    bottom: 0;
    width: 100%;
    height: 2px;
  }

  .nav-list a:hover { color: var(--mint); }

  .nav-cta {
    display: inline-flex;
    margin-top: auto;
    width: 100%;
    min-height: 48px;
  }

  .footer-inner { gap: 32px; }
}

@media (min-width: 921px) {
  .footer-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 56px;
    align-items: start;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15.5px;
    background-size: 100% 96px, 96px 100%;
  }

  .header-top-inner { gap: 12px; }

  .brand-name { font-size: 17px; }

  .footer-legal-inner { flex-direction: column; align-items: flex-start; }

  .footer-contact-inner { font-size: 12px; }

  .acc-panel { padding-left: 18px; }
}

/* ---------- 10 可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 2px;
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.copy-btn:focus-visible,
.to-top:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--ink);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 250;
  background: linear-gradient(90deg, var(--mint), var(--amber));
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mint);
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--slow) var(--ease),
              transform var(--slow) var(--ease),
              visibility var(--slow) var(--ease),
              background-color var(--fast) var(--ease),
              color var(--fast) var(--ease);
}

.to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--mint);
  color: var(--bg);
}

@media (max-width: 640px) {
  .to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  .to-top { transform: none; }
  .header-nav { transform: none; }
  .nav-list a::after { transition: none; }
}