/* =========================================================
   宝威体育 · 共享样式表  /assets/site.css
   底色：冰城深蓝长卷   行动色：宝威活力橙
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

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

ul, ol { padding: 0; }

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

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

table { border-collapse: collapse; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 品牌色 */
  --navy: #0B1B3A;
  --navy-deep: #081429;
  --navy-mid: #123B7A;
  --orange: #FF6A1A;
  --orange-soft: #FFA45C;
  --crimson: #7C1B2B;
  --silver: #C9D2DE;
  --ice: #6FD5F2;
  --neon: #2FE08A;
  --paper: #F3F6FB;
  --ink: #0D131F;

  /* 玻璃层 */
  --glass: rgba(255, 255, 255, 0.06);
  --glass-line: rgba(255, 255, 255, 0.18);
  --glass-line-soft: rgba(255, 255, 255, 0.10);

  /* 尺寸 */
  --rail-w: 72px;
  --wrap: 1240px;
  --gap: 4px;

  /* 字体 */
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, "Courier New", monospace;

  /* 动效 */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --t: 220ms;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  color: var(--paper);
  background-color: var(--navy);
  background-image:
    radial-gradient(1180px 620px at 82% -12%, rgba(18, 59, 122, 0.72), transparent 62%),
    radial-gradient(900px 520px at -6% 96%, rgba(124, 27, 43, 0.34), transparent 66%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

p { max-width: 68ch; }

a {
  color: var(--ice);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

a:hover { color: var(--orange); }

strong, b { font-weight: 700; }

code, kbd, samp { font-family: var(--font-mono); }

::selection {
  background: var(--orange);
  color: var(--navy);
}

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 4. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--orange);
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transform: translateY(-220%);
  transition: transform var(--t) var(--ease);
}

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

/* ---------- 5. 头部 / 品牌横条 ---------- */
.site-header {
  position: relative;
  z-index: 80;
}

.brand-bar {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
  padding: 0 22px 0 24px;
  background: linear-gradient(
    90deg,
    rgba(11, 27, 58, 0.95) 0%,
    rgba(18, 59, 122, 0.86) 52%,
    rgba(11, 27, 58, 0.95) 100%
  );
  border-bottom: 1px solid var(--glass-line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover { color: var(--paper); }

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
  background: linear-gradient(135deg, var(--orange-soft), var(--orange));
  border-radius: 2px;
  transform: rotate(-4deg);
  transition: transform var(--t) var(--ease);
}

.brand:hover .brand-mark { transform: rotate(0deg) scale(1.05); }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}

.brand-name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.brand-tag {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--silver);
}

/* 快速入口 chips */
.quick-entries {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin-left: 12px;
}

.quick-chip {
  display: inline-block;
  padding: 3px 11px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
  background: rgba(255, 106, 26, 0.10);
  border: 1px solid rgba(255, 106, 26, 0.34);
  border-radius: 2px;
}

/* 联系信息条 */
.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--silver);
  max-width: none;
}

.meta-sep { color: rgba(201, 210, 222, 0.38); }

/* 滚动进度条 */
.brand-bar-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-soft) 45%, var(--ice) 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 120ms linear;
  pointer-events: none;
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 14px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 2px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background var(--t) var(--ease),
    border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.nav-toggle:hover {
  background: rgba(255, 106, 26, 0.16);
  border-color: var(--orange);
  color: var(--orange-soft);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}

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

.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { transform: rotate(90deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-4px); }

/* ---------- 6. 侧边轨道导航 ---------- */
.rail {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 90;
  width: var(--rail-w);
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 76px 0 24px;
  background: linear-gradient(180deg, #123B7A 0%, #0B1B3A 42%, #081429 100%);
  border-right: 1px solid var(--glass-line);
}

.rail::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 12%;
  width: 1px;
  height: 62%;
  background: linear-gradient(180deg, transparent, rgba(255, 106, 26, 0.72), transparent);
  pointer-events: none;
}

.rail-title {
  align-self: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  height: 86px;
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.36em;
  color: rgba(201, 210, 222, 0.46);
  max-width: none;
}

.rail-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  list-style: none;
}

.rail-item { display: block; }

.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  color: var(--silver);
  text-decoration: none;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}

.rail-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--paper);
}

.rail-link:hover .rail-num {
  color: var(--orange);
  transform: translateY(-2px);
}

.rail-link[aria-current="page"] { color: var(--paper); }

.rail-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--orange);
}

.rail-link[aria-current="page"] .rail-num { color: var(--orange); }

.rail-label {
  position: absolute;
  left: 100%;
  top: 50%;
  z-index: 6;
  padding: 7px 13px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy);
  background: var(--orange);
  box-shadow: 0 10px 24px rgba(4, 12, 26, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translate(-6px, -50%);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease),
    visibility var(--t) var(--ease);
}

.rail-link:hover .rail-label,
.rail-link:focus-visible .rail-label {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
}

.rail-foot {
  align-self: center;
  margin: auto 0 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  height: 138px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(201, 210, 222, 0.42);
  max-width: none;
  transition: color var(--t) var(--ease);
}

.rail-foot:hover { color: var(--orange-soft); }

/* 抽屉遮罩 */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(8, 20, 41, 0.74);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 240ms var(--ease), visibility 240ms var(--ease);
}

.nav-scrim[data-visible] {
  opacity: 1;
  visibility: visible;
}

/* ---------- 7. 桌面让位 ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

@media (min-width: 1024px) and (max-height: 720px) {
  .rail { padding-top: 40px; }
  .rail-title { display: none; }
  .rail-foot { display: none; }
}

/* ---------- 8. 移动 / 平板：抽屉 ---------- */
@media (max-width: 1023px) {
  body { padding-left: 0; }

  .brand-bar { padding: 0 14px 0 16px; gap: 12px; }

  .quick-entries { display: none; }
  .header-meta { display: none; }

  .nav-toggle {
    display: inline-flex;
    position: fixed;
    top: 12px;
    right: 14px;
    z-index: 130;
    margin-left: 0;
    background: rgba(11, 27, 58, 0.92);
  }

  .rail {
    width: min(310px, 84vw);
    padding: 78px 0 30px;
    transform: translateX(-102%);
    transition: transform 260ms var(--ease);
    z-index: 120;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .rail[data-open] { transform: translateX(0); }

  .rail::after { display: none; }

  .rail-title {
    writing-mode: horizontal-tb;
    height: auto;
    align-self: stretch;
    margin: 0 20px 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-line);
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--orange-soft);
  }

  .rail-list {
    gap: 4px;
    padding: 0 12px;
  }

  .rail-link {
    justify-content: flex-start;
    gap: 14px;
    height: 52px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: 2px;
  }

  .rail-label {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 0;
    background: transparent;
    box-shadow: none;
    color: inherit;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
  }

  .rail-link:hover,
  .rail-link:focus-visible {
    background: var(--glass);
    border-color: var(--glass-line);
    color: var(--paper);
  }

  .rail-link[aria-current="page"] {
    background: rgba(255, 106, 26, 0.12);
    border-color: rgba(255, 106, 26, 0.4);
  }

  .rail-link[aria-current="page"]::before {
    top: 0;
    bottom: 0;
    width: 3px;
  }

  .rail-foot { display: none; }
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 112px;
  background: linear-gradient(180deg, #081429 0%, #0B1B3A 44%, #0d2249 100%);
  border-top: 1px solid var(--glass-line);
  color: var(--silver);
  font-size: 15px;
  overflow: hidden;
}

.footer-band {
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--orange) 0%,
    var(--orange-soft) 20%,
    var(--crimson) 46%,
    var(--navy-mid) 72%,
    var(--ice) 100%
  );
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 62px 24px 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

@media (min-width: 860px) {
  .footer-inner {
    grid-template-columns: minmax(240px, 4fr) minmax(0, 8fr);
    gap: 56px;
  }
}

.footer-brand { min-width: 0; }

.footer-logo {
  display: inline-block;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  transform: rotate(-2deg);
  transform-origin: left center;
  max-width: none;
}

.footer-logo span {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  vertical-align: middle;
}

.footer-tag {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ice);
  max-width: none;
}

.footer-note {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(201, 210, 222, 0.7);
  max-width: 30ch;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 24px;
}

@media (min-width: 620px) {
  .footer-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.footer-col { min-width: 0; }

.footer-col-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--orange-soft);
  border-bottom: 1px solid var(--glass-line);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer-list a {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--silver);
  text-decoration: none;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}

.footer-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t) var(--ease);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--orange);
  transform: translateX(4px);
}

.footer-list a:hover::after,
.footer-list a:focus-visible::after { transform: scaleX(1); }

.footer-contact {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 26px 24px 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  border-top: 1px solid var(--glass-line-soft);
  font-size: 14px;
}

.contact-item {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--silver);
  max-width: none;
}

.contact-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(201, 210, 222, 0.5);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ice);
  letter-spacing: 0.01em;
}

/* 一键复制 */
[data-copy] {
  position: relative;
  cursor: pointer;
  border-bottom: 1px dashed rgba(111, 213, 242, 0.5);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

[data-copy]:hover,
[data-copy]:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange);
}

[data-copy][data-copied]::after {
  content: attr(data-copied);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 5;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--neon);
  border-radius: 2px;
  white-space: nowrap;
}

.footer-base {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px 24px 42px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  border-top: 1px solid var(--glass-line-soft);
  font-size: 13px;
  color: rgba(201, 210, 222, 0.66);
}

.footer-service {
  max-width: 62ch;
  line-height: 1.7;
}

.footer-legal {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  max-width: none;
}

.footer-legal .dot { margin: 0 10px; color: var(--orange); }

/* ---------- 10. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .container { padding-inline: 18px; }
}

/* ---------- 11. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease),
    border-color var(--t) var(--ease), transform var(--t) var(--ease),
    box-shadow var(--t) var(--ease);
}

.btn-primary {
  background: var(--orange);
  color: var(--navy);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--orange-soft);
  color: var(--navy);
  transform: translate(3px, -3px);
  box-shadow: -4px 4px 0 0 rgba(8, 20, 41, 0.7);
}

.btn-ghost {
  background: var(--glass);
  border-color: var(--glass-line);
  color: var(--paper);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--orange);
  color: var(--orange-soft);
  transform: translate(3px, -3px);
  box-shadow: -4px 4px 0 0 var(--crimson);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 12. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(201, 210, 222, 0.62);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumbs li + li::before {
  content: "／";
  color: rgba(255, 106, 26, 0.7);
}

.breadcrumbs a { color: inherit; text-decoration: none; }
.breadcrumbs a:hover { color: var(--orange); }
.breadcrumbs [aria-current="page"] { color: var(--paper); }

/* ---------- 13. 图片容器基础规则 ---------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  border: 1px solid var(--glass-line);
  background: linear-gradient(140deg, #123B7A 0%, #0B1B3A 72%, #081429 100%);
}

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

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(11, 27, 58, 0) 42%,
    rgba(11, 27, 58, 0.78) 100%
  );
}

.media-ph {
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.05) 0 10px,
    transparent 10px 20px
  );
}

.media-16x9 { aspect-ratio: 16 / 9; }
.media-4x3 { aspect-ratio: 4 / 3; }
.media-3x2 { aspect-ratio: 3 / 2; }
.media-1x1 { aspect-ratio: 1 / 1; }
.media-3x4 { aspect-ratio: 3 / 4; }

.media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
  max-width: none;
}

.media-tag {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 4px 11px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--navy);
  background: var(--orange);
}

/* ---------- 14. 工具类 ---------- */
.u-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.u-annot {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: rgba(201, 210, 222, 0.5);
  max-width: none;
}

.u-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--orange);
}

/* ---------- 15. 滚动显现 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

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

/* ---------- 16. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-ready [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn:hover,
  .btn:focus-visible,
  .footer-list a:hover,
  .footer-list a:focus-visible {
    transform: none;
    box-shadow: none;
  }
}