/* ============================================================
   爱游戏赛场 · 共享样式表 /assets/site.css
   深空赛道：侧边轨道 + 纵向内容河床
   ============================================================ */

/* ---------- 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; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; }

/* ---------- 变量 ---------- */
:root {
  --void: #050D18;
  --deep: #0A1A2F;
  --glass: #102A45;
  --rail: #1E3A5C;
  --cyan: #00E5FF;
  --orange: #FF6B35;
  --green: #35E0A1;
  --white: #E9F4FA;
  --mist: #A7BDD1;
  --muted: #6E8399;
  --warn: #FFC53D;

  --rail-w: 220px;
  --header-h: 64px;
  --container: 1160px;

  --r-lg: 18px;
  --r-md: 14px;
  --r-sm: 10px;

  --shadow: 0 22px 54px rgba(0, 0, 0, .5);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, .35);

  --sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", "Courier New", monospace;

  --ease: cubic-bezier(.22, .75, .25, 1);
}

/* ---------- 基础 / 中文排版 ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail-w);
  background:
    radial-gradient(1200px 620px at 82% -12%, rgba(0, 229, 255, .085), transparent 62%),
    radial-gradient(900px 520px at 8% 112%, rgba(255, 107, 53, .07), transparent 62%),
    var(--void);
  color: var(--white);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  transition: padding-left .32s var(--ease);
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: .02em;
  color: var(--white);
}

p { max-width: 74ch; }

::selection { background: rgba(0, 229, 255, .28); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 跳过链接 ---------- */
.skip-link {
  position: fixed;
  left: 14px;
  top: -80px;
  z-index: 200;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  background: var(--cyan);
  color: #04121A;
  font-weight: 700;
  font-size: 15px;
  transition: top .22s var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

main { display: block; }

/* ---------- 侧边轨道 / 头 ---------- */
.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  z-index: 60;
  background: linear-gradient(180deg, rgba(10, 26, 47, .95) 0%, rgba(5, 13, 24, .97) 100%);
  border-right: 1px solid rgba(30, 58, 92, .9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: width .32s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  pointer-events: none;
  background: repeating-linear-gradient(-12deg, rgba(0, 229, 255, .055) 0 2px, transparent 2px 13px);
  mask-image: linear-gradient(180deg, transparent, #000);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
  opacity: .8;
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 22px;
  height: 100%;
  padding: 26px 18px 22px;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}
.brand__mark {
  flex: none;
  width: 12px;
  height: 28px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  clip-path: polygon(0 0, 100% 14%, 100% 100%, 0 86%);
}
.brand__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .05em;
  white-space: nowrap;
}
.brand__sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--muted);
  white-space: nowrap;
}

/* 版本徽标 */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, .32);
  background: rgba(0, 229, 255, .06);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.version-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(53, 224, 161, .16);
}

/* 轨道导航 */
.rail-nav { flex: 1 1 auto; min-height: 0; }
.rail-nav__list { display: flex; flex-direction: column; gap: 2px; }
.rail-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--mist);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: color .22s var(--ease), background .22s var(--ease);
}
.rail-nav__link::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: .6;
  transition: height .26s var(--ease), border-radius .26s var(--ease), opacity .22s var(--ease), background .22s var(--ease);
}
.rail-nav__link:hover {
  color: var(--white);
  background: rgba(0, 229, 255, .07);
}
.rail-nav__link:hover::before { opacity: 1; height: 12px; border-radius: 2px; background: var(--cyan); }
.rail-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(0, 229, 255, .16), rgba(0, 229, 255, 0));
}
.rail-nav__link[aria-current="page"]::before {
  height: 18px;
  border-radius: 2px;
  opacity: 1;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, .6);
}

/* 轨道快捷出口 */
.rail-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(30, 58, 92, .9);
}
.rail-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease);
}
.rail-cta--ghost {
  border: 1px solid rgba(0, 229, 255, .32);
  background: rgba(0, 229, 255, .05);
  color: var(--cyan);
}
.rail-cta--ghost:hover { background: rgba(0, 229, 255, .14); transform: translateY(-2px); }
.rail-cta--solid {
  background: var(--orange);
  color: #08131F;
  box-shadow: 0 10px 26px rgba(255, 107, 53, .26);
}
.rail-cta--solid:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 107, 53, .34); }

/* 移动导航按钮（桌面隐藏） */
.nav-toggle { display: none; }
.nav-toggle__bars { position: relative; width: 16px; height: 10px; flex: none; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .28s var(--ease), top .28s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 4px; transform: rotate(24deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 4px; transform: rotate(-24deg); }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 120px);
  padding: clamp(52px, 7vw, 84px) 0 26px;
  background: linear-gradient(180deg, var(--deep) 0%, var(--void) 82%);
  border-top: 1px solid rgba(30, 58, 92, .9);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, .7), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr 1.25fr;
  gap: clamp(24px, 3vw, 46px);
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin-bottom: 15px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--white);
}
.footer-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 34ch;
}
.footer-meta {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a {
  display: inline-block;
  font-size: 14px;
  color: var(--mist);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-links a:hover { color: var(--cyan); transform: translateX(2px); }

.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 14px;
  color: var(--mist);
  line-height: 1.6;
}
.footer-contact__k {
  flex: none;
  min-width: 5.4em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.footer-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: clamp(34px, 5vw, 52px);
  padding-top: 18px;
  border-top: 1px solid rgba(30, 58, 92, .9);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .03em;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--primary {
  background: var(--orange);
  color: #08131F;
  box-shadow: 0 10px 26px rgba(255, 107, 53, .28);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 107, 53, .36); }
.btn--ghost {
  border-color: rgba(0, 229, 255, .34);
  background: rgba(0, 229, 255, .05);
  color: var(--cyan);
}
.btn--ghost:hover { background: rgba(0, 229, 255, .13); transform: translateY(-2px); }
.btn--quiet {
  border-color: var(--rail);
  background: rgba(16, 42, 69, .5);
  color: var(--mist);
}
.btn--quiet:hover { color: var(--white); border-color: var(--muted); }

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  margin-bottom: 22px;
}
.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.breadcrumbs li:not(:last-child)::after { content: "/"; color: var(--rail); }
.breadcrumbs a { color: var(--mist); transition: color .2s var(--ease); }
.breadcrumbs a:hover { color: var(--cyan); }

/* ---------- 章节骨架 ---------- */
.section {
  position: relative;
  padding: clamp(72px, 10vw, 128px) 0;
}
.section__head { max-width: 62ch; margin-bottom: clamp(28px, 4vw, 48px); }
.section__title {
  font-size: clamp(26px, 3.6vw, 38px);
  letter-spacing: .02em;
}
.section__lead {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 255, 0));
}

/* ---------- 网格 ---------- */
.grid { display: grid; gap: clamp(20px, 3vw, 32px); }
.grid--split { grid-template-columns: minmax(0, 68fr) minmax(0, 32fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- 卡片层 ---------- */
.card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(30, 58, 92, .95);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(16, 42, 69, .9), rgba(10, 26, 47, .78));
}

.glass {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(0, 229, 255, .16);
  border-radius: var(--r-lg);
  background: rgba(16, 42, 69, .55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease);
}
.glass:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, .42);
  box-shadow: var(--shadow);
}

/* ---------- 正文 ---------- */
.prose {
  max-width: 70ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--mist);
}
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: clamp(22px, 2.6vw, 30px); color: var(--white); margin-top: 1.7em; }
.prose h3 { font-size: 20px; color: var(--white); margin-top: 1.5em; }
.prose strong { color: var(--white); font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose ul li { list-style: none; position: relative; padding-left: 16px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 数据表 ---------- */
.data-table {
  width: 100%;
  font-size: 15px;
  border-collapse: collapse;
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(30, 58, 92, .9);
  vertical-align: top;
}
.data-table th {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}
.data-table td { color: var(--mist); }
.data-table tbody tr { transition: background .2s var(--ease); }
.data-table tbody tr:hover { background: rgba(0, 229, 255, .055); }

/* ---------- 数据图形 ---------- */
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__value {
  font-family: var(--mono);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--cyan);
}
.stat__label { font-size: 14px; color: var(--mist); }

.meter {
  height: 6px;
  border-radius: 999px;
  background: rgba(30, 58, 92, .9);
  overflow: hidden;
}
.meter__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transform-origin: 0 50%;
}

/* ---------- 状态标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--rail);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
  white-space: nowrap;
}
.tag--live { color: var(--green); border-color: rgba(53, 224, 161, .4); }
.tag--warn { color: var(--warn); border-color: rgba(255, 197, 61, .4); }

/* ---------- 图片容器 ---------- */
.media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(30, 58, 92, .95);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, #102A45 0%, #050D18 78%);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media > img,
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media__ph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
  background-image:
    linear-gradient(115deg, rgba(0, 229, 255, .12), transparent 46%),
    repeating-linear-gradient(-12deg, rgba(30, 58, 92, .55) 0 2px, transparent 2px 15px);
}

/* ---------- 斜向分割 ---------- */
.slash {
  position: relative;
  height: clamp(52px, 7vw, 108px);
  overflow: hidden;
}
.slash::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  transform: rotate(-1.3deg);
  transform-origin: center;
  background: linear-gradient(90deg, transparent, rgba(30, 58, 92, .9) 14%, rgba(0, 229, 255, .65) 50%, rgba(30, 58, 92, .9) 86%, transparent);
  opacity: .85;
}

/* ---------- 等宽工具 ---------- */
.mono {
  font-family: var(--mono);
  font-size: .92em;
  letter-spacing: .05em;
}

/* ---------- 滚动进度 / 返回顶部（脚本生成） ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: var(--rail-w);
  right: 0;
  height: 2px;
  z-index: 120;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  pointer-events: none;
  transition: left .32s var(--ease);
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, .28);
  background: rgba(16, 42, 69, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), border-color .2s var(--ease);
}
.to-top[data-visible] { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { border-color: var(--cyan); }

/* ---------- 入场显现 ---------- */
body.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
body.js-reveal [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 平板 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
}

@media (max-width: 960px) {
  .grid--split,
  .grid--halves,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }
  .section { padding: clamp(56px, 9vw, 92px) 0; }
  body { font-size: 16px; line-height: 1.72; }
  .prose { font-size: 16px; }
}

/* ---------- 手机 / 抽屉 ---------- */
@media (max-width: 900px) {
  body {
    padding-left: 0;
    padding-top: var(--header-h);
  }

  .site-header {
    inset: 0 0 auto 0;
    width: 100%;
    height: var(--header-h);
    border-right: 0;
    border-bottom: 1px solid rgba(30, 58, 92, .95);
    background: rgba(5, 13, 24, .97);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .site-header::after { display: none; }

  .site-header__inner {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    height: var(--header-h);
    padding: 0 16px;
    overflow: visible;
  }

  .brand { flex: 0 1 auto; }
  .brand__name { font-size: 16px; }
  .brand__sub { display: none; }

  .version-badge { margin-left: auto; flex: none; }

  .rail-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 86px;
    flex: none;
    max-height: 58vh;
    overflow-y: auto;
    padding: 12px;
    border: 1px solid rgba(0, 229, 255, .22);
    border-radius: 20px;
    background: rgba(16, 42, 69, .95);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, .55);
    opacity: 0;
    transform: translateY(18px);
    pointer-events: none;
    transition: opacity .28s var(--ease), transform .28s var(--ease);
    z-index: 90;
  }
  .site-header[data-open] .rail-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .rail-nav__link { padding: 12px 14px; font-size: 16px; }
  .rail-nav__link::before { width: 6px; height: 6px; }

  .rail-actions { display: none; }

  .nav-toggle {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: auto;
    padding: 12px 22px;
    border: 1px solid rgba(0, 229, 255, .34);
    border-radius: 999px;
    background: rgba(16, 42, 69, .95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: var(--white);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .14em;
    box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
    z-index: 95;
  }
  .nav-toggle[aria-expanded="true"] {
    border-color: var(--orange);
    color: var(--orange);
  }

  .to-top { bottom: 86px; right: 16px; }

  .scroll-progress { left: 0; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-contact li { flex-direction: column; gap: 2px; }
  .footer-contact__k { min-width: 0; }
}

@media (max-width: 560px) {
  .footer-status { font-size: 11px; gap: 6px 14px; }
  .section__lead { font-size: 16px; }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  body.js-reveal [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .glass:hover { transform: none; }
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }
}