/* ============================================================
   电子游戏888 · 共享样式 /assets/site.css
   深墨蓝夜空 + 电光青主线 + 霓虹洋红节奏 + 暖琥珀提示
   ============================================================ */

/* 01 变量 ------------------------------------------------- */
:root {
  --ink: #07121F;
  --panel: #0E2033;
  --layer: #17324A;
  --cyan: #25E0D0;
  --magenta: #FF4D9D;
  --amber: #FFB454;
  --text: #F4F8FC;
  --muted: #AFC0D2;
  --faint: #7C92A7;
  --ok: #52E39A;

  --font-display: "DIN Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --shell: 1280px;
  --gutter: clamp(16px, 3.4vw, 44px);
  --header-h: 74px;

  --line: rgba(124, 146, 167, 0.24);
  --line-strong: rgba(37, 224, 208, 0.42);
  --radius: 2px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.78;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    radial-gradient(880px 520px at 86% -6%, rgba(37, 224, 208, 0.13), transparent 62%),
    radial-gradient(720px 460px at 0% 4%, rgba(255, 77, 157, 0.10), transparent 64%),
    radial-gradient(640px 420px at 50% 104%, rgba(255, 180, 84, 0.07), transparent 70%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--cyan); text-underline-offset: 3px; }

ul, ol { margin: 0 0 1em; padding-left: 1.3em; }

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

button { font: inherit; }

::selection {
  background: var(--magenta);
  color: #0B0410;
}

[id] { scroll-margin-top: calc(var(--header-h) + 18px); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* 03 工具类 ------------------------------------------------ */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(44px, 6.5vw, 92px);
}

.stack > * + * { margin-top: clamp(14px, 2vw, 22px); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }

.lede {
  max-width: 46ch;
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.82;
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(37, 224, 208, 0.8);
}

.mono-index {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: rgba(37, 224, 208, 0.26);
}

/* 04 面板与标签 -------------------------------------------- */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 30px);
  background: linear-gradient(180deg, rgba(14, 32, 51, 0.96), rgba(11, 26, 42, 0.96));
}

.panel--glass {
  background: rgba(23, 50, 74, 0.46);
  border-color: rgba(37, 224, 208, 0.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid rgba(37, 224, 208, 0.42);
  border-radius: var(--radius);
  background: rgba(37, 224, 208, 0.09);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.tag--magenta {
  border-color: rgba(255, 77, 157, 0.45);
  background: rgba(255, 77, 157, 0.10);
  color: var(--magenta);
}

.tag--amber {
  border-color: rgba(255, 180, 84, 0.48);
  background: rgba(255, 180, 84, 0.11);
  color: var(--amber);
}

/* 05 按钮 -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.18s var(--ease),
    background-color 0.18s var(--ease),
    border-color 0.18s var(--ease),
    color 0.18s var(--ease),
    box-shadow 0.18s var(--ease);
}

.btn-primary {
  background: var(--cyan);
  color: #04141F;
  box-shadow:
    0 0 0 1px rgba(37, 224, 208, 0.55),
    0 16px 30px -20px rgba(37, 224, 208, 0.95);
}

.btn-primary:hover {
  background: #5CF0E3;
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(23, 50, 74, 0.55);
  border-color: rgba(37, 224, 208, 0.45);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  background: rgba(37, 224, 208, 0.14);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-magenta {
  background: var(--magenta);
  color: #12040A;
  box-shadow: 0 16px 30px -22px rgba(255, 77, 157, 0.95);
}

.btn-magenta:hover {
  background: #FF76B4;
  transform: translateY(-1px);
}

/* 06 面包屑 ------------------------------------------------ */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faint);
}

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

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(124, 146, 167, 0.6);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

/* 07 图片容器 ---------------------------------------------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(23, 50, 74, 0.92), rgba(7, 18, 31, 0.94));
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.055) 0 1px,
    transparent 1px 4px
  );
  opacity: 0.7;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* 08 主体容器 ---------------------------------------------- */
.site-main {
  display: block;
  padding-top: calc(var(--header-h) + clamp(20px, 4vw, 42px));
}

.site-main--overlay { padding-top: 0; }

/* 09 跳过链接 ---------------------------------------------- */
.skip-link {
  position: fixed;
  top: clamp(8px, 2vw, 18px);
  left: clamp(8px, 2vw, 18px);
  z-index: 300;
  padding: 10px 16px;
  background: var(--cyan);
  color: #04141F;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline-offset: 3px;
}

/* 10 头部 -------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  padding-top: env(safe-area-inset-top, 0px);
  background: linear-gradient(
    180deg,
    rgba(7, 18, 31, 0.94) 0%,
    rgba(7, 18, 31, 0.62) 64%,
    rgba(7, 18, 31, 0) 100%
  );
  border-bottom: 1px solid transparent;
  transition:
    background 0.28s var(--ease),
    border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease),
    backdrop-filter 0.28s var(--ease);
}

.site-header.is-scrolled {
  background: linear-gradient(180deg, rgba(7, 18, 31, 0.98), rgba(10, 26, 43, 0.97));
  border-bottom-color: var(--line-strong);
  box-shadow: 0 22px 46px -32px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(10px, 1.8vw, 24px);
  width: 100%;
  max-width: var(--shell);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: 10px var(--gutter);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 12px rgba(37, 224, 208, 0.75);
  transition: width 0.12s linear;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-block;
  padding: 6px 8px 5px;
  background: var(--cyan);
  color: #04141F;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  box-shadow:
    0 0 0 1px rgba(37, 224, 208, 0.42),
    0 0 18px -4px rgba(37, 224, 208, 0.9);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--faint);
}

/* 版本状态 */
.version-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 50, 74, 0.52);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(82, 227, 154, 0.16);
}

/* 头部 CTA */
.header-cta { flex: 0 0 auto; }

/* 导航 */
.site-nav {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 0.32s var(--ease), visibility 0.32s var(--ease);
}

.site-nav[data-open] {
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  visibility: visible;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 6px var(--gutter) 18px;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 6px;
  border-bottom: 1px solid rgba(124, 146, 167, 0.16);
  border-left: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faint);
  transition: color 0.18s var(--ease);
}

.nav-link:hover {
  color: var(--text);
  background: rgba(37, 224, 208, 0.08);
}

.nav-link:hover .nav-index { color: var(--cyan); }

.nav-link[aria-current="page"] {
  color: var(--text);
  background: rgba(37, 224, 208, 0.10);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.nav-link[aria-current="page"] .nav-index { color: var(--cyan); }

/* 汉堡按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 50, 74, 0.55);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-toggle:hover {
  border-color: rgba(37, 224, 208, 0.5);
  color: var(--cyan);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(37, 224, 208, 0.12);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: background-color 0.2s var(--ease);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease);
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 移动端下拉面板底色 */
.site-nav[data-open] {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(10, 26, 43, 0.99), rgba(7, 18, 31, 0.99));
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 34px 54px -34px rgba(0, 0, 0, 0.95);
}

/* 11 小屏快捷条 -------------------------------------------- */
.mobile-dock {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 110;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 7px 10px calc(7px + env(safe-area-inset-bottom, 0px));
  background: rgba(9, 22, 37, 0.97);
  border-top: 1px solid var(--line-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dock-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 8px 4px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.dock-link:hover,
.dock-link:focus-visible,
.dock-link[aria-current="page"] {
  color: var(--cyan);
  border-color: rgba(37, 224, 208, 0.45);
  background: rgba(37, 224, 208, 0.10);
}

.dock-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--faint);
}

.dock-label { letter-spacing: 0.04em; }

/* 12 页脚 -------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 8vw, 116px);
  padding-top: clamp(38px, 5.5vw, 70px);
  border-top: 1px solid rgba(37, 224, 208, 0.22);
  background: linear-gradient(
    180deg,
    rgba(14, 32, 51, 0) 0%,
    rgba(14, 32, 51, 0.82) 26%,
    #081626 100%
  );
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(38%, 340px);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 16px rgba(37, 224, 208, 0.55);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.35fr) minmax(0, 1.1fr);
  gap: clamp(26px, 4vw, 56px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  align-items: start;
}

.footer-brand-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.footer-version {
  padding: 3px 8px;
  border: 1px solid rgba(255, 77, 157, 0.42);
  border-radius: var(--radius);
  background: rgba(255, 77, 157, 0.10);
  color: var(--magenta);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.footer-summary {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.footer-cta { margin-top: 18px; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-col-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(37, 224, 208, 0.45), transparent);
}

.footer-links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-link:hover {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.contact-item {
  display: grid;
  gap: 2px;
  font-size: 14px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--faint);
}

.contact-value {
  color: var(--text);
  word-break: break-word;
  line-height: 1.6;
}

.footer-note {
  margin: 0;
  padding-left: 11px;
  border-left: 2px solid rgba(255, 180, 84, 0.6);
  color: var(--faint);
  font-size: 12.5px;
  line-height: 1.75;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  width: 100%;
  max-width: var(--shell);
  margin: clamp(28px, 4vw, 48px) auto 0;
  padding: 18px var(--gutter) 26px;
  border-top: 1px solid rgba(124, 146, 167, 0.18);
  color: var(--faint);
  font-size: 12.5px;
}

.footer-legal { margin: 0; }

.footer-icp {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.footer-links-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0 0 0 auto;
}

/* 13 显现 ---------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

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

/* 14 响应式 ------------------------------------------------ */
@media (max-width: 1200px) {
  .version-chip { display: none; }
}

@media (min-width: 1081px) {
  .site-header { border-bottom-color: transparent; }
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    width: auto;
    max-height: none;
    overflow: visible;
    visibility: visible;
    margin-left: auto;
    background: none;
    border: 0;
    box-shadow: none;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: clamp(2px, 0.8vw, 10px);
    padding: 0;
  }
  .nav-link {
    padding: 9px 10px;
    border-bottom: 2px solid transparent;
    border-left: 0;
    box-shadow: none;
    font-size: 14px;
    font-weight: 600;
  }
  .nav-link:hover { background: rgba(37, 224, 208, 0.10); }
  .nav-link[aria-current="page"] {
    background: linear-gradient(180deg, rgba(37, 224, 208, 0.16), rgba(37, 224, 208, 0));
    border-bottom-color: var(--cyan);
    box-shadow: none;
  }
}

@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }
  .header-inner { align-items: center; }
}

@media (max-width: 1100px) {
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  :root { --header-h: 66px; }
  .mobile-dock { display: grid; }
  .site-footer { padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-links-legal { margin-left: 0; }
}

@media (max-width: 720px) {
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .header-cta { display: none; }
  .nav-toggle { margin-left: auto; }
  .nav-toggle-label { display: none; }
  .brand-tagline { letter-spacing: 0.16em; }
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* 15 减少动效 ---------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

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

  .btn:hover,
  .btn-ghost:hover,
  .btn-primary:hover,
  .btn-magenta:hover {
    transform: none;
  }
}