/* ==========================================
   安博体育 共享核心样式 /assets/site.css
   ========================================== */

/* ---------- 1. 变量与重置 ---------- */
:root {
  --color-primary: #0A1F44;
  --color-primary-deep: #06101F;
  --color-secondary: #0D2A5E;
  --color-accent: #39FF14;
  --color-accent-2: #FF6B35;
  --color-text: #F4F7FB;
  --color-text-muted: #A0B0C9;
  --color-success: #1B5E20;
  --color-error: #B23B00;
  --color-accent-soft: rgba(57, 255, 20, 0.10);
  --color-accent-2-soft: rgba(255, 107, 53, 0.12);

  --font-heading: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --container-max: 1220px;
  --container-padding: 24px;
  --header-offset: 92px;
  --radius-pill: 999px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --transition-base: 0.25s ease;
  --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);

  --clip-corner: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 100%);
  --clip-notch: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  background-color: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  padding-top: var(--header-offset);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.5em;
  font-weight: 400;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

::selection {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* ---------- 2. 内容容器 ---------- */
.content-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.prose {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2.2em;
  letter-spacing: -0.01em;
}

.prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.6em;
}

.prose p {
  margin-bottom: 1.2em;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.prose ul {
  padding-left: 1.2em;
  margin-bottom: 1.2em;
}

.prose li {
  margin-bottom: 0.4em;
}

/* ---------- 3. 可访问性工具 ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 1200;
  padding: 12px 22px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  transition: top 0.3s ease;
}

.skip-link:focus-visible {
  top: 14px;
}

/* ---------- 4. 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px var(--container-padding) 0;
}

.site-header__floating {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 8px 10px 8px 16px;
  background: rgba(7, 16, 34, 0.86);
  border: 1px solid rgba(57, 255, 20, 0.18);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.40),
    0 0 0 1px rgba(57, 255, 20, 0.04) inset;
  overflow: visible;
}

.site-header__floating::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -70%;
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.35), transparent);
  transform: translateY(-50%);
  pointer-events: none;
  animation: header-scan 5s ease-in-out infinite;
}

@keyframes header-scan {
  0%, 55% { left: -70%; opacity: 0; }
  60% { opacity: 0.5; }
  100% { left: 120%; opacity: 0; }
}

.site-header.is-scrolled .site-header__floating {
  box-shadow:
    0 14px 40px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(57, 255, 20, 0.08) inset;
}

/* 品牌 */
.site-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.04em;
  border-radius: 12px 12px 12px 4px;
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.3);
}

.site-header__name {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-header__brand:hover .site-header__name {
  color: var(--color-accent);
}

/* 导航 */
.site-nav {
  flex: 1;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  list-style: none;
}

.site-nav__link {
  display: block;
  padding: 9px 14px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  line-height: 1.2;
  white-space: nowrap;
  transition:
    color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.site-nav__link:hover {
  color: var(--color-text);
  background: var(--color-accent-soft);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.22) inset;
}

/* 头部操作区 */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: linear-gradient(135deg, #FF6B35, #FF8C56);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    filter var(--transition-base);
}

.site-header__cta::before {
  content: '★';
  font-size: 14px;
  line-height: 1;
  display: block;
}

.site-header__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
  filter: brightness(1.08);
  color: #fff;
}

.site-header__cta-short {
  display: none;
}

/* ---------- 5. 移动导航按钮 ---------- */
.site-header__toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(244, 247, 251, 0.18);
  border-radius: var(--radius-md);
  background: rgba(244, 247, 251, 0.04);
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background var(--transition-base);
}

.site-header__toggle:hover {
  border-color: rgba(57, 255, 20, 0.4);
  background: var(--color-accent-soft);
}

.site-header__toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 6. 滚动进度条 ---------- */
.site-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1100;
  background: rgba(244, 247, 251, 0.05);
  pointer-events: none;
}

.site-progress__fill {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #7CFF5C);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.6);
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  background:
    linear-gradient(rgba(57, 255, 20, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.025) 1px, transparent 1px),
    var(--color-primary-deep);
  background-size: 48px 48px;
  border-top: 1px solid rgba(57, 255, 20, 0.1);
  margin-top: 80px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(57, 255, 20, 0.5) 30%, rgba(255, 107, 53, 0.35) 70%, transparent 100%);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 56px 0 44px;
}

.site-footer__brief {
  max-width: 340px;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 14px;
}

.site-footer__brand::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.6);
}

.site-footer__trust {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}

.site-footer__heading {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-accent-2);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.12);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__list li {
  margin-bottom: 10px;
}

.site-footer__list a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  text-decoration: none;
  display: inline-block;
  transition:
    color var(--transition-base),
    transform var(--transition-base);
}

.site-footer__list a:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.site-footer__list--clean li {
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.site-footer__list--clean li + li {
  margin-top: 8px;
}

.site-footer__divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(57, 255, 20, 0.2), rgba(244, 247, 251, 0.06), rgba(255, 107, 53, 0.15));
  border: 0;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 20px 0 24px;
}

.site-footer__note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0;
}

.site-footer__copyright {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.site-footer__icp {
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ---------- 8. 按钮系统 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(57, 255, 20, 0.3);
}

.btn-primary:hover {
  background: #5CFF42;
  box-shadow: 0 6px 24px rgba(57, 255, 20, 0.4);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  border-color: rgba(57, 255, 20, 0.4);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-accent {
  background: linear-gradient(135deg, #FF6B35, #FF8C56);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
  color: #fff;
}

.btn-ghost {
  background: rgba(244, 247, 251, 0.05);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(244, 247, 251, 0.1);
  color: var(--color-text);
}

/* ---------- 9. 面板与卡片 ---------- */
.panel-clip {
  background: var(--color-secondary);
  clip-path: var(--clip-corner);
  padding: 32px;
  border-radius: 4px;
  position: relative;
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
}

.panel-clip:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.card {
  background: rgba(13, 42, 94, 0.5);
  border: 1px solid rgba(244, 247, 251, 0.08);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(57, 255, 20, 0.25);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.exhibit-card {
  position: relative;
  background: rgba(13, 42, 94, 0.5);
  border: 1px solid rgba(244, 247, 251, 0.08);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 22px 24px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.exhibit-card__title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.exhibit-card__meta {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.exhibit-card__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

/* ---------- 10. 章节头 ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 40px;
}

.section-head__index {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-accent);
  opacity: 0.85;
  flex-shrink: 0;
}

.section-head__block {
  padding-bottom: 4px;
}

.section-head__label {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--color-accent-2);
  margin-bottom: 6px;
}

.section-head__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0;
}

.section-head__note {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  max-width: 460px;
}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.breadcrumb__item:not(:last-child)::after {
  content: '→';
  color: var(--color-accent);
  font-size: 0.86rem;
}

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

.breadcrumb__link:hover {
  color: var(--color-accent);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- 12. 胶囊标签与数据 ---------- */
.pill {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(13, 42, 94, 0.7);
  border: 1px solid rgba(244, 247, 251, 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  white-space: nowrap;
}

.pill--neon {
  background: var(--color-accent-soft);
  border-color: rgba(57, 255, 20, 0.35);
  color: var(--color-accent);
}

.pill--orange {
  background: var(--color-accent-2-soft);
  border-color: rgba(255, 107, 53, 0.35);
  color: var(--color-accent-2);
}

.tag {
  display: inline-block;
  padding: 3px 0;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-accent);
  border-left: 2px solid var(--color-accent);
  padding-left: 10px;
  line-height: 1.4;
}

.tag--muted {
  color: var(--color-text-muted);
  border-left-color: var(--color-text-muted);
}

.stat-num {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.03em;
}

.stat-num__unit {
  font-size: 0.45em;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-left: 4px;
}

/* ---------- 13. 图片容器 ---------- */
.img-shell {
  position: relative;
  overflow: hidden;
  background: var(--color-secondary);
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
}

.img-shell--wide {
  aspect-ratio: 16 / 9;
}

.img-shell--square {
  aspect-ratio: 1 / 1;
}

.img-shell--portrait {
  aspect-ratio: 3 / 4;
}

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

.img-shell::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(57, 255, 20, 0.12);
  pointer-events: none;
}

/* ---------- 14. 网格系统 ---------- */
.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px;
}

.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }

.section-block {
  position: relative;
  padding: 64px 0;
}

.section-block--tight {
  padding: 40px 0;
}

.section-block--alt {
  background: var(--color-secondary);
}

/* ---------- 15. 显现动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0s);
}

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

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1220px) {
  .site-header__inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-nav__link {
    padding: 9px 10px;
    font-size: 0.88rem;
  }
}

@media (max-width: 992px) {
  .site-header__toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 8px;
    right: 8px;
    display: none;
    z-index: 990;
  }

  .site-nav[data-open] {
    display: block;
    background: rgba(6, 15, 31, 0.98);
    border: 1px solid rgba(57, 255, 20, 0.25);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.95rem;
  }

  .site-header__actions {
    margin-left: auto;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-offset: 74px;
    --container-padding: 16px;
  }

  .site-header__inner {
    padding-top: 10px;
  }

  .site-header__floating {
    gap: 8px;
    padding: 6px 8px 6px 10px;
    border-radius: 16px;
  }

  .site-header__badge {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 10px 10px 10px 3px;
  }

  .site-header__name {
    font-size: 1rem;
  }

  .site-header__cta {
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  .site-header__cta-label {
    display: none;
  }

  .site-header__cta-short {
    display: inline;
  }

  .site-header__toggle {
    width: 38px;
    height: 38px;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0 32px;
  }

  .site-footer__brief {
    max-width: none;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid-6 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .col-2, .col-3, .col-4, .col-5, .col-6 {
    grid-column: span 1;
  }

  .section-block {
    padding: 40px 0;
  }

  .panel-clip {
    padding: 20px;
  }
}

@media (min-width: 993px) {
  .site-nav {
    display: block;
  }
}

/* ---------- 17. 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;
    transition-delay: 0s !important;
  }

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

  .site-header__floating::after {
    display: none;
  }

  .site-progress__fill {
    transition: none;
  }
}