/* ==========================================================================
   有球体育 · 共享样式表 /assets/site.css
   框架式导航 + 暖纸白画布 + 夜间赛场色彩系统
   ========================================================================== */

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

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

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

ul, ol { list-style: none; }

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

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

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

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

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩 */
  --navy: #0B1E3A;
  --navy-2: #1B3560;
  --paper: #F6F1E7;
  --paper-2: #E4DCCB;
  --orange: #FF4D00;
  --orange-d: #C43A00;
  --gold: #FFC300;
  --gold-d: #8A5B00;
  --teal: #00B4A0;
  --teal-d: #0A6E64;
  --ink: #0E1116;
  --grey: #7B8394;

  /* 结构 */
  --rail-w: 140px;
  --bd: 4px;
  --shadow-hard: 8px 8px 0 var(--ink);
  --shadow-soft: 4px 4px 0 var(--ink);
  --ease: cubic-bezier(.22, .61, .36, 1);

  /* 字体 */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 12 级字号阶梯 */
  --fs-1: 0.75rem;
  --fs-2: 0.875rem;
  --fs-3: 1rem;
  --fs-4: 1.125rem;
  --fs-5: 1.375rem;
  --fs-6: 1.625rem;
  --fs-7: 2rem;
  --fs-8: 2.5rem;
  --fs-9: 3.25rem;
  --fs-10: 4.25rem;
  --fs-11: 6rem;
  --fs-12: 8.75rem;
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-3);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--ink);
  background: var(--paper);
  padding-left: var(--rail-w);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

main { display: block; }

#main-content { scroll-margin-top: 130px; }

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

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 布局容器 ---------- */
.shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.shell--wide { max-width: 1400px; }

.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }

.band { padding: 64px 0; background: var(--paper); }
.band--paper2 { background: var(--paper-2); }
.band--navy { background: var(--navy); color: var(--paper); }
.band--navy .section-title { color: var(--paper); }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }

.page-head { padding: 48px 0 24px; }

.kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange-d);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.14;
}

.lede {
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.78;
  color: #2B3245;
  max-width: 34em;
}

.prose {
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
}

.prose p + p { margin-top: 1em; }
.prose h2 { margin: 1.6em 0 .6em; font-size: var(--fs-7); }
.prose h3 { margin: 1.4em 0 .5em; font-size: var(--fs-5); }
.prose ul { margin: .8em 0; padding-left: 1.2em; list-style: square; }
.prose li { margin: .35em 0; }
.prose a { color: var(--orange-d); border-bottom: 2px solid var(--gold); }
.prose a:hover { color: var(--ink); border-color: var(--orange); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-soft);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), background-color .16s var(--ease);
}

.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(0, 0); box-shadow: 2px 2px 0 var(--ink); }

.btn--cta { background: var(--orange); color: #fff; }
.btn--gold { background: var(--gold); color: var(--ink); }
.btn--dark { background: var(--navy); color: var(--paper); }
.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
  box-shadow: none;
}
.btn--ghost:hover {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

/* ---------- 6. 通用组件 ---------- */
.card {
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 22px;
}

.card--tilt { transform: rotate(-1.2deg); }
.card--dark { background: var(--navy); color: var(--paper); }
.card--band { background: var(--paper-2); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--ink);
}

.tag--orange { background: var(--orange); color: #fff; }
.tag--gold { background: var(--gold); color: var(--ink); }
.tag--teal { background: var(--teal); color: #04302C; }

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--grey);
  vertical-align: middle;
  flex: 0 0 auto;
}

.dot--live { background: var(--orange); }
.dot--done { background: var(--teal); }
.dot--next { background: var(--gold); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0;
  font-size: var(--fs-2);
  color: var(--grey);
}

.breadcrumbs a { color: var(--orange-d); }
.breadcrumbs a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--grey); }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 3px solid var(--ink);
}

.tab {
  padding: 10px 16px;
  font-size: var(--fs-2);
  font-weight: 700;
  color: #3A4152;
  background: var(--paper-2);
  border: 3px solid var(--ink);
  border-bottom: 0;
}

.tab[aria-selected="true"] { background: var(--orange); color: #fff; }
.tabpanel { padding: 22px 0; }
.tabpanel[hidden] { display: none; }

.fold {
  margin-bottom: 14px;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-soft);
}

.fold summary {
  padding: 14px 18px;
  font-family: var(--font-serif);
  font-size: var(--fs-4);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.fold summary::-webkit-details-marker { display: none; }

.fold summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--orange-d);
}

.fold[open] summary::after { content: "–"; }
.fold__body { padding: 0 18px 18px; }

/* 图片占位容器（页面阶段放置 img / svg） */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--navy-2);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

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

.img-frame--16x9 { aspect-ratio: 16 / 9; }
.img-frame--4x3 { aspect-ratio: 4 / 3; }
.img-frame--1x1 { aspect-ratio: 1 / 1; }
.img-frame--3x4 { aspect-ratio: 3 / 4; }
.img-frame--21x9 { aspect-ratio: 21 / 9; }
.img-frame--tilt { transform: rotate(-2deg); }

.img-frame__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 30, 58, 0) 42%, rgba(11, 30, 58, .86) 100%);
}

.img-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  font-size: var(--fs-2);
  color: var(--paper);
  background: linear-gradient(180deg, rgba(11, 30, 58, 0), rgba(11, 30, 58, .9));
}

.flag-stripe { display: flex; height: 8px; }
.flag-stripe span { flex: 1 1 0; }
.flag-stripe span:nth-child(1) { background: var(--teal); }
.flag-stripe span:nth-child(2) { background: var(--paper); }
.flag-stripe span:nth-child(3) { background: var(--orange); }
.flag-stripe span:nth-child(4) { background: var(--gold); }
.flag-stripe span:nth-child(5) { background: var(--navy-2); }

.tex-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image: radial-gradient(var(--ink) 1px, transparent 1.2px);
  background-size: 6px 6px;
}

/* ---------- 7. 页头框架 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: 8px;
  z-index: 200;
  padding: 11px 18px;
  font-weight: 700;
  color: var(--ink);
  background: var(--gold);
  border: 3px solid var(--ink);
  transform: translateY(-180%);
  transition: transform .18s var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  color: var(--paper);
  background: var(--navy);
  border-bottom: var(--bd) solid var(--ink);
}

/* 左侧固定比分边框 */
.score-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 75;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 12px;
  overflow: hidden;
  color: var(--paper);
  background: var(--navy);
  border-right: var(--bd) solid var(--ink);
}

.score-rail__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.score-rail__count {
  font-family: var(--font-mono);
  font-size: 36px;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.04em;
}

.score-rail__unit {
  margin-left: 4px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--grey);
  letter-spacing: 0;
}

.score-rail__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.score-rail__item {
  padding: 7px 8px;
  background: rgba(255, 255, 255, .04);
  border: 2px solid var(--navy-2);
  border-left: 4px solid var(--teal);
}

.score-rail__league {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.score-rail__score {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper);
  white-space: nowrap;
}

.score-rail__score b { font-weight: 700; color: var(--gold); }

.score-rail__foot {
  margin-top: auto;
  font-size: 10px;
  line-height: 1.6;
  color: var(--grey);
}

/* 品牌条 */
.hdr-bar {
  position: relative;
  z-index: 3;
  background: var(--navy);
}

.hdr-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 24px;
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.hdr-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  padding: 4px 6px 4px 0;
}

.hdr-brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--paper);
  background: var(--orange);
  border: 3px solid var(--ink);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .5);
}

.hdr-brand__text { display: block; }

.hdr-brand__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.hdr-brand__sig {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.hdr-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  font-size: var(--fs-2);
  color: var(--paper);
  border: 2px solid rgba(246, 241, 231, .45);
}

.hdr-toggle__bars { display: grid; gap: 4px; width: 20px; }
.hdr-toggle__bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars i:nth-child(2) { opacity: 0; }
.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.hdr-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hdr-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.hdr-nav__list a {
  display: inline-block;
  padding: 9px 12px;
  font-size: 15px;
  color: rgba(246, 241, 231, .84);
  border: 2px solid transparent;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.hdr-nav__list a:hover {
  color: var(--gold);
  background: var(--navy-2);
  border-color: var(--navy-2);
}

.hdr-nav__list a[aria-current="page"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--ink);
  font-weight: 700;
}

.hdr-nav__cta { box-shadow: 4px 4px 0 rgba(0, 0, 0, .55); }

/* 联赛标签流 */
.league-flow {
  position: relative;
  z-index: 2;
  background: var(--navy-2);
  border-top: 2px solid var(--ink);
}

.league-flow__track {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.league-flow__label {
  flex: 0 0 auto;
  padding-right: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  border-right: 2px solid rgba(246, 241, 231, .25);
}

.league-tag {
  flex: 0 0 auto;
  padding: 6px 12px;
  font-size: var(--fs-2);
  color: rgba(246, 241, 231, .86);
  border: 2px solid rgba(246, 241, 231, .3);
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.league-tag:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.league-tag[aria-pressed="true"] {
  color: #fff;
  font-weight: 700;
  background: var(--orange);
  border-color: var(--ink);
}

.hdr-scrim { display: none; }

.hdr-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--gold), var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  color: var(--paper);
  background: var(--navy);
  border-top: var(--bd) solid var(--ink);
}

.ftr-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 28px 32px;
}

.ftr-brand__name {
  font-family: var(--font-serif);
  font-size: var(--fs-6);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.ftr-brand__sig {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.ftr-brand__domain {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  color: var(--paper-2);
}

.ftr-brand__desc {
  margin-top: 8px;
  max-width: 22em;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: rgba(246, 241, 231, .7);
}

.ftr-col__title {
  margin-bottom: 14px;
  font-family: var(--font-serif);
  font-size: var(--fs-3);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.ftr-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ftr-col a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: var(--fs-2);
  color: rgba(246, 241, 231, .8);
  border-bottom: 2px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.ftr-col a:hover {
  color: var(--gold);
  border-color: var(--orange);
}

.ftr-contact__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ftr-contact__item {
  font-size: var(--fs-2);
  line-height: 1.8;
  color: rgba(246, 241, 231, .8);
}

.ftr-contact__item .num { color: var(--paper); }

.ftr-base {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
  font-size: var(--fs-1);
  color: var(--grey);
  border-top: 2px solid var(--navy-2);
}

.ftr-legal { color: var(--paper-2); }
.ftr-meta { font-family: var(--font-mono); letter-spacing: 0.04em; }

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 14px;
  font-size: var(--fs-2);
  font-weight: 700;
  color: var(--ink);
  background: var(--gold);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-soft);
  transform: translateY(160%);
  transition: transform .24s var(--ease);
}

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

/* ---------- 9. 显现动效 ---------- */
[data-reveal] {
  transition: opacity .44s var(--ease), transform .44s var(--ease);
}

html.js-on [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(20px);
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1023px) {
  body {
    padding-left: 0;
    padding-bottom: 68px;
  }

  .score-rail {
    top: auto;
    right: 0;
    bottom: 0;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    width: auto;
    height: 64px;
    padding: 0 14px;
    overflow-x: auto;
    border-right: 0;
    border-top: var(--bd) solid var(--ink);
  }

  .score-rail__eyebrow { display: none; }
  .score-rail__count { font-size: 22px; }
  .score-rail__list { flex-direction: row; gap: 10px; margin-top: 0; }
  .score-rail__item {
    flex: 0 0 auto;
    padding: 4px 9px;
    border-left: 2px solid var(--navy-2);
    border-top: 3px solid var(--teal);
  }
  .score-rail__foot {
    flex: 0 0 auto;
    margin: 0 0 0 auto;
    white-space: nowrap;
    text-align: right;
  }

  .to-top { bottom: 80px; }

  .ftr-inner { grid-template-columns: 1fr 1fr; }
  .ftr-brand { grid-column: 1 / -1; }
}

@media (max-width: 899px) {
  .hdr-toggle { display: inline-flex; }

  .hdr-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 4;
    width: min(88vw, 360px);
    padding: 92px 20px 32px;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    overflow-y: auto;
    background: var(--navy);
    border-left: var(--bd) solid var(--ink);
    transform: translateX(104%);
    visibility: hidden;
    transition: transform .26s var(--ease), visibility .26s var(--ease);
  }

  .hdr-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
  }

  .hdr-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .hdr-nav__list a {
    display: block;
    padding: 14px;
    font-size: 17px;
    border-color: rgba(246, 241, 231, .18);
  }

  .hdr-nav__cta { width: 100%; }

  .hdr-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1;
    background: rgba(11, 30, 58, .62);
    opacity: 0;
    visibility: hidden;
    transition: opacity .24s var(--ease), visibility .24s var(--ease);
  }

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

  .grid--2,
  .grid--3,
  .grid--asym { grid-template-columns: minmax(0, 1fr); }

  .card { padding: 18px; }
  .card--tilt { transform: none; }
  .img-frame--tilt { transform: none; }
}

@media (max-width: 719px) {
  .hdr-inner { padding: 10px 16px; gap: 12px; }
  .hdr-brand__sig { display: none; }
  .hdr-brand__mark { width: 34px; height: 34px; font-size: 18px; }
  .hdr-brand__name { font-size: 18px; }
  .league-flow__track { padding: 8px 12px; }
  .shell { padding: 0 18px; }
  .section, .band { padding: 44px 0; }
  .ftr-inner { grid-template-columns: 1fr; padding: 36px 18px 24px; }
  .ftr-base { padding: 14px 18px 24px; }
  .score-rail__score { font-size: 11px; }
}

/* ---------- 11. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  html.js-on [data-reveal]:not(.is-in) {
    opacity: 1;
    transform: none;
  }

  .to-top { transition: none; }
  .card--tilt,
  .img-frame--tilt { transform: none; }
}