/* ==========================================================================
   ROG电竞赛场 / 乐动体育平台 — 共享站点样式
   /assets/site.css
   赛博竞技场 + 数据仪表盘 · 深空黑基底 · 三级联赛固定色码
   ========================================================================== */

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

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

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

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

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

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

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

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; border-spacing: 0; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 品牌色板 */
  --ink: #05070D;
  --panel: #0B1220;
  --glass: #111A2E;
  --arc: #2F6BFF;
  --arc-soft: #7EA6FF;

  /* 三级联赛固定色码 */
  --csl: #FF7A1A;
  --kpl: #9B5CFF;
  --lpl: #00C2FF;

  /* 状态 */
  --signal: #39FF88;

  /* 文本 */
  --text: #F5F8FF;
  --text-2: #A9B7D0;
  --text-3: #6B7A99;

  /* 线条 */
  --line-glass: rgba(126, 166, 255, 0.18);
  --line-grid: rgba(47, 107, 255, 0.22);

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-label: "Oswald", "Arial Narrow", "Helvetica Neue", var(--font-display);
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, "Courier New", monospace;

  /* 尺寸 */
  --shell: 1280px;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --radius: 16px;
  --radius-pill: 999px;
  --pad-section: clamp(3.5rem, 8vh, 7rem);
  --header-h: 92px;
  --rail-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100%;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 84% -14%, rgba(47, 107, 255, 0.22), transparent 64%),
    radial-gradient(760px 520px at 4% 2%, rgba(155, 92, 255, 0.14), transparent 66%),
    radial-gradient(900px 700px at 50% 108%, rgba(0, 194, 255, 0.08), transparent 70%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

/* 极轻扫描线质感层（不遮挡交互） */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(245, 248, 255, 0.022) 0 1px,
    transparent 1px 4px
  );
}

main,
.site-footer { position: relative; z-index: 1; }

::selection {
  background: rgba(47, 107, 255, 0.45);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 4. 布局外壳 ---------- */
.shell {
  width: 100%;
  max-width: calc(var(--shell) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--pad-section); }

.track-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (min-width: 1000px) {
  .track-layout {
    grid-template-columns: clamp(120px, 13vw, 190px) minmax(0, 1fr);
  }
}

/* ---------- 5. 赛程轴 / 轮次刻度 ---------- */
.rail {
  align-self: start;
  padding-right: 1rem;
  border-right: 1px solid var(--line-grid);
}

.rail__list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.rail__item { position: relative; }

.rail__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.55rem;
  border-left: 2px solid transparent;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-3);
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.rail__link:hover {
  color: var(--text);
  background: rgba(47, 107, 255, 0.12);
}

.rail__link[aria-current="true"],
.rail__link.is-active {
  color: var(--text);
  border-left-color: var(--arc);
  background: rgba(47, 107, 255, 0.18);
  box-shadow: 0 0 20px -8px var(--arc);
}

.rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

@media (min-width: 1000px) {
  .rail {
    position: sticky;
    top: var(--rail-top);
    max-height: calc(100vh - var(--rail-top) - 2rem);
    overflow-y: auto;
  }
}

/* ---------- 6. 文字层级 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--arc-soft);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--arc);
  flex: 0 0 auto;
}

.h-display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 7vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-shadow: 0 0 48px rgba(47, 107, 255, 0.35);
}

.h-section {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.005em;
}

.lede {
  max-width: 60ch;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.8;
  color: var(--text-2);
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

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

/* ---------- 7. 标签 / Chip ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.7rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  background: rgba(245, 248, 255, 0.04);
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.6;
  color: var(--text-2);
}

.chip--csl { color: var(--csl); box-shadow: inset 0 0 0 1px rgba(255, 122, 26, 0.18); }
.chip--kpl { color: var(--kpl); box-shadow: inset 0 0 0 1px rgba(155, 92, 255, 0.18); }
.chip--lpl { color: var(--lpl); box-shadow: inset 0 0 0 1px rgba(0, 194, 255, 0.18); }
.chip--live { color: var(--signal); }

.chip--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

/* ---------- 8. 卡片 / 面板 ---------- */
.card {
  position: relative;
  padding: clamp(1.1rem, 2vw, 1.7rem);
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(17, 26, 46, 0.78), rgba(11, 18, 32, 0.52));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card--solid {
  background: var(--panel);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* ---------- 9. 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.62);
}

.table {
  width: 100%;
  min-width: 560px;
  font-size: 14px;
  line-height: 1.6;
}

.table th,
.table td {
  padding: 0.72rem 0.95rem;
  text-align: left;
  border-bottom: 1px solid var(--line-grid);
  white-space: nowrap;
}

.table thead th {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  background: rgba(17, 26, 46, 0.85);
}

.table tbody tr { transition: background 0.16s ease; }
.table tbody tr:hover { background: rgba(47, 107, 255, 0.09); }
.table tbody tr:last-child td { border-bottom: 0; }
.table td:first-child {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--arc-soft);
}

/* ---------- 10. 正文容器 ---------- */
.prose {
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  margin-top: 2.2em;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.prose ul,
.prose ol {
  padding-left: 1.25em;
  list-style: disc;
}

.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.35em; }

.prose a {
  color: var(--arc-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

.prose strong { color: var(--text); font-weight: 700; }

.prose hr {
  border: 0;
  border-top: 1px solid var(--line-glass);
  margin-block: 2.4em;
}

/* ---------- 11. 图片占位容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(47, 107, 255, 0.24), rgba(155, 92, 255, 0.12) 55%, rgba(5, 7, 13, 0.92));
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(245, 248, 255, 0.06) 0 1px,
    transparent 1px 42px
  );
}

.media > img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }

.media__caption {
  position: absolute;
  left: 0.9rem;
  bottom: 0.85rem;
  z-index: 2;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* ---------- 12. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 0.35rem; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--line-glass);
}

.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--text); }

/* ---------- 13. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.2rem;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius-pill);
  background: rgba(17, 26, 46, 0.7);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease,
    background 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(126, 166, 255, 0.5);
  background: rgba(47, 107, 255, 0.22);
}

.btn--cta {
  border-color: rgba(126, 166, 255, 0.5);
  background: linear-gradient(120deg, var(--arc), #1B3FD0);
  box-shadow: 0 0 26px -8px var(--arc);
}

.btn--cta:hover {
  background: linear-gradient(120deg, #3D77FF, #2148DE);
  box-shadow: 0 0 34px -6px var(--arc);
}

/* ---------- 14. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4.5rem;
  z-index: 200;
  padding: 0.7rem 1.15rem;
  border-radius: 0 0 12px 12px;
  background: var(--arc);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  outline-offset: -4px;
}

/* ---------- 15. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding-block: 0.75rem 1.1rem;
  background: linear-gradient(
    180deg,
    rgba(5, 7, 13, 0.94) 0%,
    rgba(5, 7, 13, 0.72) 65%,
    rgba(5, 7, 13, 0) 100%
  );
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(0.6rem, 1.6vw, 1.4rem);
  padding: 0.5rem 0.6rem 0.5rem 0.85rem;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius-pill);
  background: linear-gradient(120deg, rgba(17, 26, 46, 0.86), rgba(11, 18, 32, 0.6));
  box-shadow:
    0 22px 48px -34px rgba(47, 107, 255, 0.9),
    inset 0 1px 0 rgba(245, 248, 255, 0.06);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
  padding: 0.22rem 0.35rem;
  border-radius: 12px;
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--arc), #1537A8);
  box-shadow:
    0 0 0 1px rgba(126, 166, 255, 0.35),
    0 0 22px -6px var(--arc);
}

.brand__mark i {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  border-radius: 2px;
  background: rgba(245, 248, 255, 0.92);
}

.brand__mark i:nth-child(1) { top: 10px; }
.brand__mark i:nth-child(2) { top: 16px; right: 14px; }
.brand__mark i:nth-child(3) { top: 22px; left: 14px; }

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

.brand__line {
  font-family: var(--font-label);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--arc-soft);
}

.brand__name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text);
}

.brand__tag {
  display: none;
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--text-3);
}

/* 导航胶囊 */
.nav-pill {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-pill::-webkit-scrollbar { display: none; }

.nav-pill__list {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-pill__item { flex: 0 0 auto; }

.nav-pill__link {
  display: block;
  padding: 0.48rem 0.85rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--text-2);
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav-pill__link:hover {
  color: var(--text);
  background: rgba(47, 107, 255, 0.16);
  border-color: var(--line-glass);
}

.nav-pill__link[aria-current="page"] {
  color: var(--text);
  background: rgba(47, 107, 255, 0.24);
  border-color: rgba(126, 166, 255, 0.45);
}

.nav-pill__link[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
  vertical-align: middle;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  padding: 0.42rem 0.7rem;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius-pill);
  background: rgba(47, 107, 255, 0.14);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 18px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--arc-soft);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.site-header[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 顶部阅读进度 */
.progress-rail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  display: block;
  background: rgba(126, 166, 255, 0.1);
  overflow: hidden;
}

.progress-rail__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--arc), var(--lpl));
  box-shadow: 0 0 14px var(--arc);
}

/* 头部响应式 */
@media (min-width: 1180px) {
  .brand__tag { display: block; }
}

@media (max-width: 920px) {
  :root { --header-h: 76px; }

  .site-header__inner {
    flex-wrap: wrap;
    border-radius: 24px;
    padding: 0.55rem 0.7rem;
  }

  .brand { order: 1; flex: 1 1 auto; }
  .nav-toggle { order: 2; display: inline-flex; }
  .site-header__cta { order: 3; }

  .nav-pill {
    order: 4;
    flex: 1 0 100%;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: max-height 0.32s ease, opacity 0.24s ease, visibility 0.24s linear;
  }

  .site-header[data-open] .nav-pill,
  .nav-pill[data-open] {
    max-height: 70vh;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }

  .nav-pill__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding-bottom: 0.4rem;
  }

  .nav-pill__link { padding: 0.72rem 0.9rem; }
}

@media (max-width: 620px) {
  .site-header__cta { display: none; }
  .brand__name { font-size: 15px; }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 0.42rem 0.55rem; }
}

/* ---------- 16. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vh, 7rem);
  border-top: 1px solid var(--line-glass);
  background:
    linear-gradient(180deg, rgba(11, 18, 32, 0.92) 0%, rgba(5, 7, 13, 0.98) 72%);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    var(--line-grid) 0 1px,
    transparent 1px 34px
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(2.8rem, 7vw, 4.5rem) clamp(1.8rem, 4vw, 2.6rem);
}

@media (min-width: 860px) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.5fr);
  }
}

.site-footer__line {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--arc-soft);
}

.site-footer__name {
  margin-top: 0.35rem;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--text);
}

.site-footer__note {
  margin-top: 0.9rem;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.footer-col__title {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
}

.footer-col__list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col__link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  transition: color 0.18s ease, transform 0.18s ease;
}

.footer-col__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--arc);
  transition: width 0.22s ease;
}

.footer-col__link:hover {
  color: var(--text);
  transform: translateX(2px);
}

.footer-col__link:hover::after { width: 100%; }

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  padding-block: 1.2rem 1.6rem;
  border-top: 1px solid var(--line-glass);
}

.site-footer__legal,
.site-footer__meta {
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--text-3);
}

.site-footer__legal .num { color: var(--text-2); }

@media (max-width: 560px) {
  .site-footer__cols { grid-template-columns: 1fr; gap: 1.6rem; }
  .site-footer__base { flex-direction: column; align-items: flex-start; }
}

/* ---------- 17. 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.8, 0.28, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 18. 无障碍与减弱动效 ---------- */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}