/* ============================================================
   星空体育CN — 共享样式表 /assets/site.css
   夜间赛场 + 星轨数据界面
   ============================================================ */

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

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

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

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

img, picture, 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%; }

address { font-style: normal; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩 */
  --ink: #060D1A;
  --night: #0E1B31;
  --nebula: #3A2E5C;
  --cyan: #35E0D6;
  --gold: #F5C542;
  --ember: #FF7A3D;
  --silver: #C7D3E3;
  --white: #F4F8FF;
  --slate: #14283A;
  --glow: #9BF3EC;

  --line: rgba(53, 224, 214, 0.18);
  --line-soft: rgba(53, 224, 214, 0.10);
  --dim: rgba(199, 211, 227, 0.62);
  --dim-strong: rgba(199, 211, 227, 0.84);

  /* 字号阶梯 12 / 14 / 16 / 18 / 24 / 34 / 52 / 84 */
  --fs-100: 0.75rem;
  --fs-200: 0.875rem;
  --fs-300: 1rem;
  --fs-400: 1.125rem;
  --fs-500: 1.5rem;
  --fs-600: 2.125rem;
  --fs-700: 3.25rem;
  --fs-800: 5.25rem;

  /* 字体 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system,
    "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono",
    Menlo, Consolas, "Noto Sans Mono CJK SC", monospace;

  /* 结构 */
  --shell: 1240px;
  --radius: 12px;
  --radius-sm: 8px;
  --gutter: clamp(18px, 4vw, 40px);
  --header-h: 118px;
}

/* ---------- 3. 基础排版 ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(90% 62% at 78% -8%, rgba(58, 46, 92, 0.58), transparent 62%),
    radial-gradient(70% 46% at 2% 6%, rgba(53, 224, 214, 0.10), transparent 60%),
    radial-gradient(62% 42% at 52% 108%, rgba(255, 122, 61, 0.07), transparent 66%);
  color: var(--silver);
  font-family: var(--font-sans);
  font-size: var(--fs-300);
  line-height: 1.75;
  overflow-x: hidden;
}

/* 星点底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 26%, rgba(244, 248, 255, 0.5), transparent),
    radial-gradient(1.2px 1.2px at 72% 14%, rgba(155, 243, 236, 0.42), transparent),
    radial-gradient(1.6px 1.6px at 44% 68%, rgba(245, 197, 66, 0.35), transparent),
    radial-gradient(1.2px 1.2px at 88% 52%, rgba(199, 211, 227, 0.34), transparent);
  background-size: 540px 540px, 660px 660px, 780px 780px, 470px 470px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--white);
}

h1 { font-size: clamp(2rem, 5.4vw, var(--fs-700)); }
h2 { font-size: clamp(1.5rem, 3.4vw, var(--fs-600)); }
h3 { font-size: var(--fs-500); }
h4 { font-size: var(--fs-400); }

p { line-height: 1.75; }

strong { color: var(--white); font-weight: 700; }

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

::selection { background: rgba(53, 224, 214, 0.32); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 4. 布局骨架 ---------- */
main { display: block; position: relative; z-index: 1; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(40px, 6vw, 78px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(53, 224, 214, 0.82);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: var(--fs-200);
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background-color 0.24s ease, color 0.24s ease,
    border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}

.btn-ember {
  background: linear-gradient(120deg, #FF7A3D, #FFA36A);
  color: #1E0C02;
  box-shadow: 0 10px 24px -12px rgba(255, 122, 61, 0.95);
}
.btn-ember:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -12px rgba(255, 122, 61, 1);
}

.btn-cyan {
  background: linear-gradient(120deg, #35E0D6, #9BF3EC);
  color: #04211F;
  box-shadow: 0 10px 24px -14px rgba(53, 224, 214, 0.95);
}
.btn-cyan:hover { transform: translateY(-1px); }

.btn-ghost {
  border-color: rgba(53, 224, 214, 0.42);
  background: rgba(53, 224, 214, 0.06);
  color: var(--glow);
}
.btn-ghost:hover { background: rgba(53, 224, 214, 0.16); color: var(--white); }

/* ---------- 6. 卡片 ---------- */
.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(14, 27, 49, 0.86), rgba(6, 13, 26, 0.92));
  padding: clamp(18px, 2.4vw, 26px);
}

.card-glass {
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  background: linear-gradient(150deg, rgba(58, 46, 92, 0.46), rgba(14, 27, 49, 0.62));
  border-color: rgba(155, 243, 236, 0.22);
}

.card-solid {
  background: var(--night);
  border-color: rgba(53, 224, 214, 0.26);
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.card-title {
  font-size: var(--fs-500);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1.25;
}

.card-meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-100);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

/* ---------- 7. 数据元件 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }

.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.25rem, 7vw, var(--fs-800));
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--white);
}

.stat-label {
  font-size: var(--fs-100);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.meter {
  position: relative;
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: rgba(20, 40, 58, 0.9);
  overflow: hidden;
}

.meter-fill {
  position: absolute;
  inset-block: 0;
  left: 0;
  width: var(--value, 0%);
  border-radius: 999px;
  background: linear-gradient(90deg, #35E0D6, #9BF3EC);
  transition: width 0.8s cubic-bezier(0.3, 0, 0.2, 1);
}

.meter-fill--gold { background: linear-gradient(90deg, #F5C542, #FFD980); }
.meter-fill--ember { background: linear-gradient(90deg, #FF7A3D, #FFB08A); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(53, 224, 214, 0.32);
  background: rgba(53, 224, 214, 0.08);
  color: var(--glow);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.tag--gold {
  border-color: rgba(245, 197, 66, 0.4);
  background: rgba(245, 197, 66, 0.1);
  color: var(--gold);
}

.tag--ember {
  border-color: rgba(255, 122, 61, 0.44);
  background: rgba(255, 122, 61, 0.12);
  color: #FFB08A;
}

/* ---------- 8. 框景与媒体容器 ---------- */
.frame {
  position: relative;
  border: 1px solid rgba(53, 224, 214, 0.22);
  border-radius: 6px;
  background: linear-gradient(160deg, rgba(14, 27, 49, 0.86), rgba(6, 13, 26, 0.94));
}

.frame::before {
  content: "";
  position: absolute;
  inset: 9px;
  pointer-events: none;
  opacity: 0.75;
  background:
    linear-gradient(var(--cyan), var(--cyan)) left top / 18px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left top / 1px 18px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 18px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 1px 18px no-repeat,
    linear-gradient(var(--gold), var(--gold)) left bottom / 18px 1px no-repeat,
    linear-gradient(var(--gold), var(--gold)) left bottom / 1px 18px no-repeat,
    linear-gradient(var(--gold), var(--gold)) right bottom / 18px 1px no-repeat,
    linear-gradient(var(--gold), var(--gold)) right bottom / 1px 18px no-repeat;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(53, 224, 214, 0.2);
  background: linear-gradient(135deg, #0E1B31, #3A2E5C 55%, #060D1A);
  aspect-ratio: 16 / 9;
}

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

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

/* ---------- 9. 面包屑 / 正文 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-100);
  letter-spacing: 0.05em;
  color: var(--dim);
}

.breadcrumbs a { color: var(--dim-strong); transition: color 0.22s ease; }
.breadcrumbs a:hover { color: var(--glow); }
.breadcrumbs .sep { opacity: 0.5; }
.breadcrumbs [aria-current="page"] { color: var(--gold); }

.prose {
  max-width: 68ch;
  font-size: var(--fs-300);
  line-height: 1.8;
  color: var(--dim-strong);
}

.prose > * + * { margin-top: 1.2em; }
.prose h2, .prose h3 { margin-top: 1.8em; }
.prose a {
  color: var(--glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li + li { margin-top: 0.5em; }
.prose ul li { list-style: disc; }
.prose ol li { list-style: decimal; }

/* ---------- 10. 滚动渐显 ---------- */
[data-reveal] { transition: opacity 0.42s ease, transform 0.42s ease; }

html[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

html[data-reveal-ready] [data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

/* ---------- 11. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  background: var(--cyan);
  color: #04211F;
  font-size: var(--fs-200);
  font-weight: 700;
  transition: top 0.22s ease;
}

.skip-link:focus {
  top: 0;
  outline-offset: 2px;
}

/* 上层品牌带 */
.header-rail {
  overflow: hidden;
  max-height: 96px;
  border-bottom: 1px solid rgba(53, 224, 214, 0.2);
  background: linear-gradient(90deg, rgba(6, 13, 26, 0.99),
    rgba(14, 27, 49, 0.97) 44%, rgba(58, 46, 92, 0.92));
  transition: max-height 0.36s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.26s ease, border-color 0.26s ease;
}

.site-header[data-condensed] .header-rail {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.rail-inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 12px var(--gutter);
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  min-width: 0;
}

.brand-orbit {
  position: relative;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #9BF3EC, #35E0D6 36%, #3A2E5C 80%);
  box-shadow: 0 0 0 1px rgba(53, 224, 214, 0.5),
    0 0 22px -4px rgba(53, 224, 214, 0.75);
}

.brand-orbit::after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid rgba(245, 197, 66, 0.6);
  border-left-color: transparent;
  border-right-color: transparent;
  transform: rotate(-24deg) scaleY(0.44);
}

.brand-text { display: block; min-width: 0; }

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
  line-height: 1.2;
}

.brand-slogan {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-100);
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.9;
}

.rail-note {
  font-size: var(--fs-200);
  color: var(--dim);
  white-space: nowrap;
}

.rail-contact {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(53, 224, 214, 0.3);
  background: rgba(53, 224, 214, 0.06);
  color: var(--glow);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.rail-contact:hover {
  background: rgba(53, 224, 214, 0.16);
  border-color: rgba(155, 243, 236, 0.6);
  color: var(--white);
}

/* 下层导航 */
.nav-deck {
  position: relative;
  background: rgba(6, 13, 26, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(53, 224, 214, 0.16);
  box-shadow: 0 20px 44px -34px rgba(53, 224, 214, 0.85);
}

.deck-inner {
  position: relative;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 8px var(--gutter);
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.primary-nav { flex: 1 1 auto; min-width: 0; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1vw, 10px);
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--silver);
  transition: color 0.22s ease, background-color 0.22s ease;
}

.nav-list a::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(53, 224, 214, 0.35);
  transition: background-color 0.22s ease, box-shadow 0.22s ease;
}

.nav-list a:hover {
  color: var(--white);
  background: rgba(53, 224, 214, 0.08);
}

.nav-list a:hover::before { background: var(--glow); }

.nav-list a[aria-current="page"] {
  color: var(--white);
  background: rgba(53, 224, 214, 0.12);
}

.nav-list a[aria-current="page"]::before {
  background: var(--gold);
  box-shadow: 0 0 10px rgba(245, 197, 66, 0.9);
}

.nav-cta { margin-left: auto; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  flex: none;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(53, 224, 214, 0.35);
  background: rgba(53, 224, 214, 0.07);
  transition: background-color 0.22s ease, border-color 0.22s ease;
}

.nav-toggle:hover { background: rgba(53, 224, 214, 0.16); }

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--glow);
  transition: background-color 0.26s ease;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--glow);
  transition: transform 0.26s ease, top 0.26s ease;
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

.scroll-pulse {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  pointer-events: none;
  background: linear-gradient(90deg, #35E0D6, #9BF3EC 45%, #F5C542 78%, #FF7A3D);
  box-shadow: 0 0 12px rgba(53, 224, 214, 0.85);
  transition: width 0.12s linear;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(56px, 9vw, 110px);
  border-top: 1px solid rgba(53, 224, 214, 0.2);
  background:
    radial-gradient(110% 80% at 8% 0%, rgba(58, 46, 92, 0.5), transparent 58%),
    linear-gradient(180deg, #0A1526 0%, #060D1A 72%);
}

.footer-frame {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(38px, 5vw, 64px) var(--gutter) 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3.4vw, 48px);
}

.footer-brand .brand-name { font-size: 1.25rem; }

.footer-tag {
  margin-top: 14px;
  font-size: var(--fs-200);
  letter-spacing: 0.26em;
  color: var(--gold);
}

.footer-contact {
  margin-top: 16px;
  font-size: var(--fs-200);
  line-height: 1.95;
  color: var(--dim);
}

.footer-col-title {
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(53, 224, 214, 0.14);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(53, 224, 214, 0.85);
  line-height: 1.4;
}

.footer-list { display: grid; gap: 10px; }

.footer-list a {
  position: relative;
  display: inline-block;
  padding-left: 14px;
  font-size: var(--fs-200);
  color: var(--dim-strong);
  transition: color 0.22s ease, padding-left 0.22s ease;
}

.footer-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 6px;
  height: 1px;
  background: rgba(245, 197, 66, 0.7);
  transition: width 0.22s ease, background-color 0.22s ease;
}

.footer-list a:hover { color: var(--white); padding-left: 18px; }
.footer-list a:hover::before { width: 12px; background: var(--glow); }

.footer-base {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 22px;
  border-top: 1px solid rgba(53, 224, 214, 0.14);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  font-size: var(--fs-100);
  color: var(--dim);
}

.footer-service { max-width: 62ch; }

.footer-icp,
.footer-copy {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .rail-note { display: none; }

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

  .nav-cta {
    margin-left: auto;
    padding: 9px 16px;
    font-size: var(--fs-100);
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    background: linear-gradient(180deg, rgba(10, 20, 36, 0.99), rgba(6, 13, 26, 0.99));
    border-bottom: 1px solid rgba(53, 224, 214, 0.22);
    box-shadow: 0 30px 50px -34px rgba(0, 0, 0, 0.9);
    transition: max-height 0.36s ease, opacity 0.26s ease, visibility 0.26s ease;
  }

  .primary-nav[data-open="true"] {
    max-height: min(72vh, 520px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px var(--gutter) 18px;
  }

  .nav-list a {
    padding: 14px 6px;
    border-bottom: 1px solid rgba(53, 224, 214, 0.12);
    border-radius: 0;
    font-size: var(--fs-300);
  }

  .nav-list a::before { width: 6px; height: 6px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .brand-slogan { letter-spacing: 0.22em; }
}

/* ---------- 14. 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;
  }

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

  .scroll-pulse { transition: none; }
  .meter-fill { transition: none; }
  .header-rail { transition: none; }
}