/* ============================================================
   /assets/site.css —— 必赢亚州赛事 · 共享外壳与基础组件
   赛场夜光语义：深墨绿底 + 荧光青数据 + 琥珀橙变化 + 玫红警示
   ============================================================ */

/* ---------- 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, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }

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

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

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

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

table { border-collapse: collapse; width: 100%; }

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink: #0B1F1A;
  --ink-2: #142E27;
  --ink-3: #0F2721;
  --cyan: #2EF2C6;
  --cyan-soft: #7CF7DC;
  --amber: #FFB347;
  --rose: #FF4D6D;
  --mist: #EAF6F2;
  --moss: #8FA9A2;
  --rock: #5A6E68;
  --paper: #F4EFE4;

  --radius: 10px;
  --radius-sm: 8px;

  --shell: min(1240px, 100% - 2.5rem);
  --hair: 1px solid rgba(90, 110, 104, 0.55);
  --hair-soft: 1px solid rgba(90, 110, 104, 0.35);
  --hair-cyan: 1px solid rgba(46, 242, 198, 0.35);

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

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

/* ---------- 3. 页面基座与中文排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 560px at 84% -14%, rgba(46, 242, 198, 0.10), transparent 62%),
    radial-gradient(880px 520px at -10% 6%, rgba(255, 179, 71, 0.06), transparent 60%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  color: var(--mist);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-stretch: condensed;
}

h1 { font-size: clamp(2rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.05rem; }

p { line-height: 1.75; }

::selection {
  background: rgba(46, 242, 198, 0.28);
  color: var(--mist);
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.divider {
  border: 0;
  border-top: var(--hair);
  margin: clamp(1.5rem, 3vw, 2.5rem) 0;
}

/* ---------- 4. 跳转与通用按钮 ---------- */
.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 120;
  padding: 0.65rem 1.05rem;
  border-radius: var(--radius-sm);
  background: var(--cyan);
  color: #04241D;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: top 0.18s var(--ease);
}

.skip-link:focus { top: 1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background-color 0.16s var(--ease),
              border-color 0.16s var(--ease),
              color 0.16s var(--ease),
              transform 0.16s var(--ease);
}

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04241D;
}

.btn--primary:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan-soft);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(46, 242, 198, 0.45);
  color: var(--mist);
}

.btn--ghost:hover {
  background: rgba(46, 242, 198, 0.10);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.btn--alert {
  background: transparent;
  border-color: rgba(255, 77, 109, 0.55);
  color: var(--rose);
  font-size: 1rem;
}

.btn--alert:hover {
  background: rgba(255, 77, 109, 0.14);
  border-color: var(--rose);
}

/* ---------- 5. 报头 ---------- */
.site-header {
  position: relative;
  z-index: 50;
  background: rgba(11, 31, 26, 0.94);
  border-bottom: var(--hair);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.site-header::after {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(46, 242, 198, 0) 0%,
    rgba(46, 242, 198, 0.72) 24%,
    rgba(255, 179, 71, 0.55) 62%,
    rgba(46, 242, 198, 0) 100%);
  opacity: 0.6;
}

.site-header__inner {
  position: relative;
  width: var(--shell);
  margin-inline: auto;
  padding: 0.55rem 0 0;
  display: flex;
  flex-direction: column;
}

/* 工具条 */
.site-header__utility {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem 0.65rem;
  min-height: 24px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border: var(--hair);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  white-space: nowrap;
}

.chip--version {
  background: rgba(244, 239, 228, 0.06);
  border-color: rgba(244, 239, 228, 0.34);
  color: var(--paper);
}

.chip--adapt {
  border-color: rgba(46, 242, 198, 0.35);
  color: var(--cyan-soft);
}

.chip__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(46, 242, 198, 0.18);
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.live-dot__beacon {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

.live-dot__beacon::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(255, 179, 71, 0.55);
  animation: beacon 2400ms var(--ease) infinite;
}

@keyframes beacon {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* 居中刊头 */
.masthead {
  position: relative;
  padding: 0.5rem 0 0.35rem;
  text-align: center;
}

.masthead__brand {
  display: inline-block;
  font-family: var(--sans);
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  font-weight: 700;
  font-stretch: condensed;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--mist);
}

.masthead__brand::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  margin: 0.4rem auto 0;
  background: var(--cyan);
  transition: width 0.22s var(--ease);
}

.masthead__brand:hover::after,
.masthead__brand:focus-visible::after { width: 100%; }

.masthead__sub {
  margin-top: 0.4rem;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--moss);
}

/* 移动导航按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.8rem;
  border: var(--hair-cyan);
  border-radius: var(--radius-sm);
  background: rgba(46, 242, 198, 0.06);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-toggle__bars {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

/* ---------- 6. 主导航 ---------- */
.site-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem 0.3rem;
  width: 100%;
}

.site-nav__link {
  display: inline-block;
  padding: 0.6rem 0.95rem;
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  transition: color 0.16s var(--ease),
              border-color 0.16s var(--ease),
              background-color 0.16s var(--ease);
}

.site-nav__link:hover {
  color: var(--cyan-soft);
  border-bottom-color: rgba(46, 242, 198, 0.55);
  background: rgba(46, 242, 198, 0.07);
}

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.site-nav__link[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.5rem;
  border-radius: 2px;
  background: var(--cyan);
  vertical-align: 0.1em;
}

.site-nav__cta {
  margin: 0.4rem 0 0.75rem;
}

@media (min-width: 901px) {
  .site-nav {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1.1rem;
    padding: 0.35rem 0 0.6rem;
    border-top: var(--hair-soft);
  }

  .site-nav__list { width: auto; }

  .site-nav__cta { margin: 0; }
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 7vw, 6rem);
  border-top: var(--hair-cyan);
  background: linear-gradient(180deg, #0B1F1A 0%, #102823 55%, #0B1F1A 100%);
  color: var(--moss);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(46, 242, 198, 0) 0%,
    rgba(46, 242, 198, 0.7) 30%,
    rgba(255, 179, 71, 0.5) 68%,
    rgba(46, 242, 198, 0) 100%);
  opacity: 0.55;
}

.site-footer__inner {
  width: var(--shell);
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3.25rem) 0 clamp(1.6rem, 3vw, 2.4rem);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.3fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.footer-brand__name {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.footer-brand__line {
  margin-top: 0.4rem;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--moss);
}

.footer-brand__note {
  margin: 0.9rem 0 1.15rem;
  max-width: 34ch;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--moss);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}

.footer-col__title {
  margin-bottom: 0.85rem;
  padding-bottom: 0.55rem;
  border-bottom: var(--hair-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.footer-col__list {
  display: grid;
  gap: 0.55rem;
}

.footer-col__link {
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  font-size: 0.92rem;
  color: var(--mist);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.footer-col__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(46, 242, 198, 0.6);
}

.footer-contact {
  border-top: var(--hair-soft);
  background: rgba(20, 46, 39, 0.55);
}

.footer-contact__inner {
  width: var(--shell);
  margin-inline: auto;
  padding: clamp(1.4rem, 3vw, 2.1rem) 0;
}

.footer-contact__title {
  margin-bottom: 1rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.footer-contact__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem 1.5rem;
}

.footer-contact__item {
  display: grid;
  gap: 0.2rem;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(46, 242, 198, 0.28);
}

.footer-contact__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.footer-contact__value {
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  word-break: break-word;
}

.footer-contact__meta {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.footer-legal {
  border-top: var(--hair-soft);
}

.footer-legal__inner {
  width: var(--shell);
  margin-inline: auto;
  padding: 1rem 0 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.5rem;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.footer-legal__copy { margin: 0; }

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-legal__links a {
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(90, 110, 104, 0.6);
  color: var(--moss);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

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

.footer-legal__icp {
  margin-left: auto;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* ---------- 8. 布局骨架 ---------- */
.container {
  width: var(--shell);
  margin-inline: auto;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

.layout-rail {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(1.25rem, 2.4vw, 2.5rem);
  align-items: start;
}

.layout-rail__aside { position: relative; }
.layout-rail__main { min-width: 0; }

/* ---------- 9. 基础组件 ---------- */
.prose {
  max-width: 70ch;
  color: rgba(234, 246, 242, 0.88);
}

.prose p { margin-bottom: 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { margin: 1.8rem 0 0.8rem; }
.prose h3 { margin: 1.5rem 0 0.6rem; }
.prose ul { margin: 0 0 1.1em 1.1rem; list-style: disc; }
.prose li { margin-bottom: 0.4rem; }
.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose a:hover { color: var(--cyan-soft); }

.panel {
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  border: var(--hair);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.panel--paper {
  background: var(--paper);
  border-color: rgba(20, 46, 39, 0.25);
  color: #17251F;
}

.panel--paper h2,
.panel--paper h3,
.panel--paper h4 { color: #12211C; }

.panel--paper .eyebrow { color: var(--rock); }
.panel--paper .divider { border-top-color: rgba(20, 46, 39, 0.22); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.6rem;
  border: var(--hair-cyan);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.tag--amber {
  border-color: rgba(255, 179, 71, 0.45);
  color: var(--amber);
}

.tag--alert {
  border-color: rgba(255, 77, 109, 0.5);
  color: var(--rose);
}

.score-num {
  display: block;
  font-family: var(--mono);
  font-weight: 900;
  font-size: clamp(3.5rem, 12vw, 9rem);
  line-height: 0.88;
  letter-spacing: -0.03em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* 面包屑 */
.breadcrumbs {
  width: var(--shell);
  margin: clamp(1rem, 2vw, 1.6rem) auto 0;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--rock);
}

.breadcrumbs__link {
  color: var(--moss);
  transition: color 0.16s var(--ease);
}

.breadcrumbs__link:hover { color: var(--cyan); }

/* 图片容器（页面阶段放置 <img>） */
.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: var(--hair);
  border-radius: var(--radius);
  background: linear-gradient(155deg, #142E27 0%, #0B1F1A 100%);
}

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

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

.media-frame--court::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(46, 242, 198, 0.30) 1px, transparent 1px),
    linear-gradient(0deg, rgba(46, 242, 198, 0.22) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(46, 242, 198, 0.28) 0 12%, transparent 12.5%);
  background-size: 14% 100%, 100% 25%, 60% 90%;
  background-position: 0 0, 0 0, center center;
  background-repeat: repeat, repeat, no-repeat;
  opacity: 0.45;
  pointer-events: none;
}

.media-frame__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.7rem 0.85rem;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  background: linear-gradient(0deg, rgba(11, 31, 26, 0.94), rgba(11, 31, 26, 0));
}

/* ---------- 10. JS 注入元素 ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 90;
  background: rgba(90, 110, 104, 0.25);
  pointer-events: none;
}

.scroll-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.to-top {
  position: fixed;
  right: clamp(0.9rem, 3vw, 1.75rem);
  bottom: clamp(0.9rem, 3vw, 1.75rem);
  z-index: 90;
  padding: 0.6rem 0.95rem;
  border: var(--hair-cyan);
  border-radius: 999px;
  background: rgba(11, 31, 26, 0.92);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s var(--ease);
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: rgba(46, 242, 198, 0.14);
  border-color: var(--cyan);
}

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1024px) {
  .layout-rail {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .site-header__inner { padding: 0.6rem 0 0.8rem; }

  .masthead { padding: 0.9rem 0 0.5rem; }

  .nav-toggle {
    display: inline-flex;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .masthead__sub { letter-spacing: 0.22em; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 2px);
    align-items: stretch;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    background: var(--ink-3);
    border-top: var(--hair);
    border-bottom: var(--hair-cyan);
    transition: max-height 0.3s var(--ease), visibility 0.3s var(--ease);
  }

  .site-nav[data-open] {
    max-height: 82vh;
    overflow-y: auto;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__item { border-bottom: var(--hair-soft); }

  .site-nav__link {
    display: block;
    padding: 0.95rem 0.25rem;
    border-bottom: 0;
    border-left: 2px solid transparent;
    font-size: 1.05rem;
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--cyan);
    background: rgba(46, 242, 198, 0.07);
  }

  .site-nav__cta {
    display: block;
    margin: 0.95rem 0.25rem 1.15rem;
  }

  .site-nav__cta .btn { width: 100%; }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

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

  .footer-legal__icp { margin-left: 0; }

  .col-3, .col-4, .col-6, .col-8 { grid-column: span 12; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }

  .site-header__utility { justify-content: flex-start; }

  .chip--adapt { display: none; }

  .footer-nav { grid-template-columns: minmax(0, 1fr); }

  .footer-contact__list { grid-template-columns: minmax(0, 1fr); }

  .masthead__brand { letter-spacing: 0.14em; text-indent: 0.14em; }
}

/* ---------- 12. 动效降级 ---------- */
@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;
  }

  .live-dot__beacon::after { display: none; }

  .to-top { transform: none; }

  .btn--primary:hover { transform: none; }
}