/* ============================================================
   6688体育主站 · 共享样式 /assets/site.css
   深空蓝 · 高原金 · 堆叠面板 · 编辑部目录
   ============================================================ */

/* ---------- 01 变量 ---------- */
:root {
  --ink: #081426;
  --panel: #10233F;
  --line: #1D3B5C;
  --gold: #D8A03D;
  --gold-bright: #F2C15B;
  --green: #6FA36B;
  --orange: #E56B2F;
  --sky: #4FB2D7;
  --cloud: #F3F7FC;
  --grey: #93A5B8;
  --shadow-gold: #8C6420;

  --font-display: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --maxw: 1440px;
  --gutter: clamp(18px, 4vw, 48px);
  --radius: 3px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 02 重置与基础排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 560px at 84% -12%, rgba(79, 178, 215, 0.10), transparent 62%),
    radial-gradient(900px 520px at -8% 14%, rgba(216, 160, 61, 0.075), transparent 60%);
  background-attachment: fixed;
  color: var(--cloud);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--cloud);
}

h1 { font-size: clamp(2.4rem, 6.4vw, 5.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.7rem); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--sky);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

a:hover { color: var(--gold-bright); }

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

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

button { font: inherit; color: inherit; }

strong, b { font-weight: 800; }

::selection { background: var(--gold); color: var(--ink); }

/* ---------- 03 焦点与无障碍 ---------- */
:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

#main-content { outline: none; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  transform: translateY(-220%);
  padding: 10px 18px;
  background: var(--gold);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  border-radius: 2px;
  box-shadow: 4px 4px 0 rgba(140, 100, 32, 0.5);
  transition: transform 0.2s var(--ease);
}

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

/* ---------- 04 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
}

.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid--12 > * { grid-column: span 12; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }

.rule {
  height: 1px;
  border: 0;
  margin: clamp(28px, 4.5vw, 56px) 0;
  background: linear-gradient(90deg, var(--line), rgba(29, 59, 92, 0.15));
}

/* ---------- 05 面板 / 索引 / 章节头 ---------- */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  box-shadow:
    8px 8px 0 -1px rgba(29, 59, 92, 0.55),
    18px 18px 0 -3px rgba(29, 59, 92, 0.22);
}

.panel--flat { box-shadow: none; }

.panel--gold {
  border-color: rgba(216, 160, 61, 0.5);
  box-shadow:
    8px 8px 0 -1px rgba(140, 100, 32, 0.45),
    18px 18px 0 -3px rgba(140, 100, 32, 0.18);
}

.panel--gold::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
  border-radius: var(--radius) 0 0 var(--radius);
}

.index-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(216, 160, 61, 0.07);
  border: 1px solid rgba(216, 160, 61, 0.42);
  border-radius: 2px;
  white-space: nowrap;
}

.section-head {
  display: grid;
  gap: 14px;
  max-width: 70ch;
  margin-bottom: clamp(22px, 3.2vw, 40px);
}

.section-head__title {
  font-size: clamp(1.75rem, 4.4vw, 3.4rem);
  font-weight: 200;
  color: var(--cloud);
}

.section-head__title strong {
  font-weight: 800;
  color: var(--gold-bright);
}

.section-head__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--grey);
  font-size: 16.5px;
}

/* ---------- 06 面包屑与正文 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}

.breadcrumbs a { color: var(--grey); }
.breadcrumbs a:hover { color: var(--gold-bright); }
.breadcrumbs__sep { color: var(--line); }
.breadcrumbs [aria-current="page"] { color: var(--cloud); }

.prose {
  max-width: 74ch;
  color: #DCE6F2;
  font-size: 16.5px;
  line-height: 1.85;
}

.prose h2 {
  margin: 1.8em 0 0.6em;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 300;
}

.prose h3 {
  margin: 1.5em 0 0.5em;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
}

.prose p { margin: 0 0 1.1em; }

.prose ul,
.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.25em;
  list-style: disc;
}

.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.5em; }

.prose a {
  color: var(--sky);
  border-bottom: 1px solid rgba(79, 178, 215, 0.35);
}

.prose a:hover {
  color: var(--gold-bright);
  border-bottom-color: rgba(216, 160, 61, 0.55);
}

.prose code {
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--gold-bright);
  background: rgba(29, 59, 92, 0.65);
  border-radius: 2px;
}

.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--gold);
  color: var(--grey);
}

/* ---------- 07 按钮 / 标签 / 数据卡 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition:
    background-color 0.18s var(--ease),
    color 0.18s var(--ease),
    border-color 0.18s var(--ease),
    transform 0.18s var(--ease),
    box-shadow 0.18s var(--ease);
}

.btn--gold {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 3px 3px 0 rgba(140, 100, 32, 0.45);
}

.btn--gold:hover {
  background: var(--gold-bright);
  color: var(--ink);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 rgba(140, 100, 32, 0.5);
}

.btn--ghost {
  background: transparent;
  color: var(--cloud);
  border-color: var(--line);
}

.btn--ghost:hover {
  color: var(--gold-bright);
  border-color: rgba(216, 160, 61, 0.6);
  background: rgba(216, 160, 61, 0.08);
}

.btn--sm {
  padding: 8px 14px;
  font-size: 13px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  border: 1px solid var(--line);
  border-radius: 2px;
  white-space: nowrap;
}

.tag--live {
  color: var(--orange);
  border-color: rgba(229, 107, 47, 0.45);
  background: rgba(229, 107, 47, 0.08);
}

.tag--ok {
  color: var(--green);
  border-color: rgba(111, 163, 107, 0.45);
  background: rgba(111, 163, 107, 0.08);
}

.tag--info {
  color: var(--sky);
  border-color: rgba(79, 178, 215, 0.45);
  background: rgba(79, 178, 215, 0.08);
}

.stat {
  display: grid;
  gap: 4px;
}

.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--gold-bright);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
}

/* ---------- 08 媒体容器（供页面阶段放置视觉占位） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 14% 0%, rgba(79, 178, 215, 0.16), transparent 55%),
    radial-gradient(110% 110% at 96% 108%, rgba(216, 160, 61, 0.13), transparent 58%),
    linear-gradient(160deg, #10233F 0%, #081426 72%);
  isolation: isolate;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(29, 59, 92, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 59, 92, 0.55) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.45;
  pointer-events: none;
}

.media-frame > img,
.media-frame > svg,
.media-frame > picture {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.media-frame__tag {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-bright);
  background: rgba(8, 20, 38, 0.84);
  border: 1px solid rgba(216, 160, 61, 0.4);
  border-radius: 2px;
}

.media-frame__caption {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 16px 13px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
  background: linear-gradient(180deg, rgba(8, 20, 38, 0), rgba(8, 20, 38, 0.94));
}

/* ---------- 09 页头 · 紧凑命令栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(8, 20, 38, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(216, 160, 61, 0.22), 0 20px 44px -36px #000;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.command-bar {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 10px var(--gutter) 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
}

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

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

.brand__mark {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: 1fr;
  align-items: end;
  gap: 3px;
  width: 28px;
  height: 28px;
  padding: 5px;
  flex: none;
  background: rgba(216, 160, 61, 0.08);
  border: 1px solid rgba(216, 160, 61, 0.55);
  border-radius: 2px;
}

.brand__mark-bar {
  display: block;
  width: 3px;
  background: var(--gold);
  border-radius: 1px;
}

.brand__mark-bar:nth-child(1) { height: 9px; }
.brand__mark-bar:nth-child(2) { height: 15px; }
.brand__mark-bar:nth-child(3) { height: 6px; background: var(--green); }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--cloud);
}

.brand__tagline {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.nav__item { display: block; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--grey);
  border: 1px solid transparent;
  border-radius: 2px;
  transition:
    color 0.18s var(--ease),
    background-color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}

.nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(147, 165, 184, 0.65);
  transition: color 0.18s var(--ease);
}

.nav__label { display: inline-block; }

.nav__link:hover {
  color: var(--cloud);
  background: rgba(29, 59, 92, 0.5);
  border-color: var(--line);
}

.nav__link:hover .nav__index { color: var(--gold); }

.nav__link[aria-current="page"] {
  color: var(--gold-bright);
  background: rgba(216, 160, 61, 0.12);
  border-color: rgba(216, 160, 61, 0.45);
}

.nav__link[aria-current="page"] .nav__index { color: var(--gold-bright); }

.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 1px;
  height: 2px;
  background: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grey);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.status-pill__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(111, 163, 107, 0.18);
  animation: status-pulse 2.6s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  background: transparent;
  color: var(--cloud);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s var(--ease);
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-toggle[aria-expanded="true"] {
  color: var(--gold-bright);
  border-color: rgba(216, 160, 61, 0.6);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright) 55%, var(--green));
}

/* ---------- 10 页脚 · 编辑部目录 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 128px);
  padding: clamp(42px, 6vw, 76px) 0 28px;
  background: linear-gradient(180deg, rgba(16, 35, 63, 0) 0%, rgba(16, 35, 63, 0.88) 24%, rgba(16, 35, 63, 0.6) 100%), var(--ink);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(260px, 42vw);
  height: 2px;
  background: var(--gold);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 64px);
}

.footer-brand {
  display: grid;
  gap: 16px;
  align-content: start;
}

.footer-summary {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 44px);
}

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  color: var(--grey);
}

.footer-links a::before {
  content: "";
  display: block;
  width: 12px;
  height: 1px;
  flex: none;
  background: var(--line);
  transition: width 0.18s var(--ease), background-color 0.18s var(--ease);
}

.footer-links a:hover { color: var(--cloud); }

.footer-links a:hover::before {
  width: 20px;
  background: var(--gold);
}

.footer-contact {
  display: grid;
  gap: 8px;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding: 18px clamp(16px, 2vw, 24px);
  background: rgba(16, 35, 63, 0.62);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.footer-contact__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--cloud);
  word-break: break-word;
}

.footer-note {
  margin: 0;
  font-size: 13px;
  color: var(--grey);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.footer-copy,
.footer-icp {
  margin: 0;
}

.footer-icp { color: rgba(147, 165, 184, 0.8); }

/* ---------- 11 滚动显现 ---------- */
[data-reveal] {
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

html[data-js="on"] [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translate3d(0, 20px, 0) scale(0.985);
}

/* ---------- 12 响应式 ---------- */
@media (max-width: 1180px) and (min-width: 1041px) {
  .nav__index { display: none; }
  .nav__link {
    padding: 8px 9px;
    font-size: 13.5px;
  }
}

@media (max-width: 1040px) {
  .command-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .header-actions { gap: 8px; }

  .status-pill { display: none; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    padding: 8px var(--gutter) 20px;
    background: rgba(16, 35, 63, 0.985);
    border: 1px solid var(--line);
    border-top: 0;
    box-shadow: 0 26px 50px -30px #000;
  }

  .nav[data-open] { display: block; }

  html:not([data-js="on"]) .nav { display: block; }

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

  .nav__link {
    padding: 14px 12px;
    font-size: 15px;
    border-radius: 0;
    border-bottom: 1px solid rgba(29, 59, 92, 0.7);
  }

  .nav__link[aria-current="page"] {
    border-left: 3px solid var(--gold);
    border-bottom-color: rgba(216, 160, 61, 0.35);
  }

  .nav__link[aria-current="page"]::after { display: none; }

  .nav-toggle { display: inline-flex; }

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

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9 { grid-column: span 12; }
}

@media (max-width: 720px) {
  .brand__tagline { display: none; }
  .header-actions .btn { display: none; }
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
  .panel { padding: 20px 18px; }
}

@media (max-width: 560px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { justify-content: flex-start; }
  .media-frame { min-height: 120px; }
}

/* ---------- 13 降低动效偏好 ---------- */
@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;
  }

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

  .nav-toggle__bar { transition: none; }
}