/* =========================================================
   优博赛场 · 共享外壳样式 /assets/site.css
   夜间球场转播台：暗场、聚光、信号脉冲
   ========================================================= */

/* ---------- 1. 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; }
ul:not([class]), ol:not([class]) { padding-left: 1.2em; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }
main { display: block; }
#main-content { display: block; scroll-margin-top: 92px; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink-900: #07110F;
  --ink-800: #0B1D19;
  --ink-700: #0E2A24;
  --ink-600: #123B33;
  --cyan: #33F0D0;
  --cyan-soft: rgba(51, 240, 208, 0.14);
  --orange: #FF7A1A;
  --wine: #6B1F33;
  --indigo: #2A2A55;
  --fog: #EAF6F2;
  --mist: #9AB3AC;
  --line: #C9DED8;
  --hair: rgba(201, 222, 216, 0.14);
  --hair-strong: rgba(201, 222, 216, 0.26);
  --rail: 104px;
  --gutter: clamp(18px, 4vw, 54px);
  --maxw: 1240px;
  --radius: 3px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --num: "Oswald", "Roboto Condensed", "DIN Condensed", "Arial Narrow", sans-serif;
  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);
  --shadow-soft: 0 24px 60px -40px #000000;
}

/* ---------- 3. 基础排版与页面底色 ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 520px at 82% -8%, rgba(51, 240, 208, 0.10), transparent 62%),
    radial-gradient(760px 480px at 4% 104%, rgba(42, 42, 85, 0.55), transparent 66%),
    repeating-linear-gradient(0deg, rgba(201, 222, 216, 0.028) 0 1px, transparent 1px 5px);
  background-attachment: fixed;
  color: var(--fog);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
h4 { font-size: 1.0625rem; font-family: var(--sans); font-weight: 800; }

::selection { background: rgba(51, 240, 208, 0.28); color: #ffffff; }

/* ---------- 4. 工具与基座 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(28px, 4vw, 52px); }
.divider { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, transparent, var(--hair-strong), transparent); }
.num {
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  font-weight: 600;
  line-height: 1;
}
.prose { max-width: 74ch; color: #D8E8E3; }
.prose p + p { margin-top: 1em; }
.prose h2, .prose h3 { margin-top: 1.8em; margin-bottom: 0.6em; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); }
.grid--2, .grid--3, .grid--split { grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1080px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--split { grid-template-columns: 5fr 7fr; align-items: start; }
}

/* 跳转链接 */
.skip-link {
  position: fixed; left: 14px; top: -120px; z-index: 300;
  padding: 10px 18px; border-radius: 2px;
  background: var(--cyan); color: #04120F;
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.06em;
  transition: top 0.22s var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- 5. 标签 / 导语 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: ""; width: 18px; height: 1px;
  background: currentColor; opacity: 0.75;
}

.tag {
  display: inline-flex; align-items: center; gap: 0.45em;
  padding: 0.28em 0.62em; border-radius: 2px;
  border: 1px solid var(--hair-strong);
  font-size: 11px; letter-spacing: 0.16em; color: var(--mist);
  white-space: nowrap;
}
.tag--live {
  color: var(--orange);
  border-color: rgba(255, 122, 26, 0.45);
  background: rgba(255, 122, 26, 0.08);
}
.tag--live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); box-shadow: 0 0 10px rgba(255, 122, 26, 0.9);
  animation: dotPulse 3s ease-in-out infinite;
}
.tag--data {
  color: var(--cyan);
  border-color: rgba(51, 240, 208, 0.4);
  background: rgba(51, 240, 208, 0.07);
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  padding: 0.85em 1.4em; border-radius: 2px;
  border: 1px solid transparent;
  font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.08em;
  text-align: center; white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn--primary {
  background: var(--cyan); color: #04120F;
  box-shadow: 0 0 0 1px rgba(51, 240, 208, 0.45), 0 10px 28px -18px rgba(51, 240, 208, 0.9);
}
.btn--primary:hover { background: #5BF7DD; transform: translateY(-1px); }
.btn--ghost {
  border-color: var(--hair-strong);
  background: rgba(18, 59, 51, 0.35);
  color: var(--fog);
}
.btn--ghost:hover { border-color: rgba(51, 240, 208, 0.6); color: var(--cyan); }
.btn--sm { padding: 0.5em 0.9em; font-size: 0.8125rem; letter-spacing: 0.12em; }

/* ---------- 7. 面板 / 指标 / 媒体框 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(18, 59, 51, 0.86), rgba(11, 29, 25, 0.78));
  box-shadow: var(--shadow-soft);
}
.panel__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 0.9rem;
}
.panel__title {
  font-family: var(--sans); font-weight: 800;
  font-size: 1.0625rem; letter-spacing: 0.04em;
}

.stat { display: flex; flex-direction: column; gap: 0.35rem; }
.stat__num {
  font-family: var(--num); font-variant-numeric: tabular-nums;
  font-weight: 600; font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 0.95; letter-spacing: -0.01em; color: var(--cyan);
}
.stat__label { font-size: 11px; letter-spacing: 0.18em; color: var(--mist); }

.media-frame {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(62% 82% at 70% 18%, rgba(51, 240, 208, 0.16), transparent 70%),
    linear-gradient(160deg, #0E2A24, #071310 72%);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(7, 17, 15, 0.35) 0 1px, transparent 1px 4px);
  opacity: 0.5;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

/* ---------- 8. 面包屑 ---------- */
.crumbs { font-size: 0.8125rem; color: var(--mist); }
.crumbs__list {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.5em; list-style: none; margin: 0; padding: 0;
}
.crumbs__list li + li::before {
  content: "/"; margin-right: 0.5em; color: rgba(154, 179, 172, 0.5);
}
.crumbs__link { color: var(--mist); border-bottom: 1px solid transparent; transition: color 0.2s, border-color 0.2s; }
.crumbs__link:hover { color: var(--cyan); border-bottom-color: rgba(51, 240, 208, 0.6); }
.crumbs [aria-current="page"] { color: var(--fog); }

/* ---------- 9. 头部：侧边轨道 / 移动状态条 ---------- */
.site-rail {
  position: fixed; inset: 0 auto 0 0; z-index: 90;
  width: var(--rail);
  display: flex; flex-direction: column; align-items: stretch;
  padding: 20px 0 16px;
  background:
    radial-gradient(120% 56% at 50% 0%, rgba(51, 240, 208, 0.10), transparent 62%),
    linear-gradient(180deg, #0A1F1A 0%, #0E2A24 48%, #06100E 100%);
  border-right: 1px solid var(--hair);
  overflow-y: auto; overflow-x: hidden;
  scrollbar-width: thin;
}
.site-rail[data-scrolled] { box-shadow: 0 18px 40px -30px #000; }

.rail-progress {
  position: fixed; top: 0; left: calc(var(--rail) - 2px);
  width: 2px; height: 100vh; z-index: 96;
  background: rgba(201, 222, 216, 0.10);
  pointer-events: none;
}
.rail-progress__fill {
  display: block; width: 100%; height: 100%;
  transform-origin: top center;
  transform: scaleY(var(--p, 0));
  background: linear-gradient(180deg, var(--cyan), rgba(51, 240, 208, 0.12));
  box-shadow: 0 0 14px rgba(51, 240, 208, 0.65);
  transition: transform 0.12s linear;
}

.rail-head { display: flex; flex-direction: column; align-items: center; gap: 14px; }

.brand {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
}
.brand__pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.14), 0 0 14px rgba(255, 122, 26, 0.85);
  animation: dotPulse 3.2s ease-in-out infinite;
}
.brand__mark {
  writing-mode: vertical-rl;
  font-family: var(--serif); font-weight: 900;
  font-size: 14px; letter-spacing: 0.22em; color: var(--fog);
  transition: color 0.2s;
}
.brand__desc {
  writing-mode: vertical-rl;
  font-size: 10px; letter-spacing: 0.24em;
  color: var(--mist); opacity: 0.85;
}
.brand:hover .brand__mark { color: var(--cyan); }

.rail-nav { margin: auto 0; padding: 14px 0; }
.rail-nav__title {
  margin-bottom: 10px;
  font-size: 9.5px; letter-spacing: 0.2em;
  text-align: center; color: rgba(154, 179, 172, 0.75);
}
.rail-nav__list { display: flex; flex-direction: column; gap: 2px; list-style: none; margin: 0; padding: 0; }
.rail-nav__item { margin: 0; }
.rail-nav__link {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 2px;
  color: var(--mist);
  transition: color 0.2s, background 0.2s;
}
.rail-nav__link::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 2px; height: 0; opacity: 0;
  transform: translateY(-50%);
  background: var(--cyan);
  transition: height 0.24s var(--ease), opacity 0.24s;
}
.rail-nav__link:hover { color: var(--fog); background: rgba(51, 240, 208, 0.06); }
.rail-nav__link:hover::before { height: 62%; opacity: 1; }
.rail-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(51, 240, 208, 0.16), rgba(51, 240, 208, 0) 88%);
}
.rail-nav__link[aria-current="page"]::before {
  height: 100%; opacity: 1;
  box-shadow: 0 0 14px rgba(51, 240, 208, 0.85);
}
.rail-nav__num {
  font-family: var(--num); font-size: 9.5px; letter-spacing: 0.14em;
  color: rgba(154, 179, 172, 0.65);
  transition: color 0.2s;
}
.rail-nav__link[aria-current="page"] .rail-nav__num { color: var(--orange); }
.rail-nav__label { font-size: 12.5px; letter-spacing: 0.06em; white-space: nowrap; }
.rail-nav__foot {
  margin-top: 14px; padding: 0 10px;
  font-size: 10px; line-height: 1.65; text-align: center;
  color: rgba(154, 179, 172, 0.72);
}

.rail-foot { display: flex; justify-content: center; padding-top: 8px; }
.rail-cta {
  writing-mode: vertical-rl;
  padding: 18px 9px;
  font-size: 12.5px; letter-spacing: 0.24em;
}

.rail-scrim { display: none; }

.nav-toggle { display: none; }

@media (max-height: 860px) and (min-width: 1024px) {
  .brand__desc { display: none; }
  .rail-nav__title, .rail-nav__foot { display: none; }
}

/* ---------- 10. 移动 / 平板：状态条 + 抽屉 + 底部信号条 ---------- */
@media (max-width: 1023px) {
  :root { --rail: 0px; }
  body { padding-left: 0; padding-bottom: 78px; }

  .site-rail {
    position: sticky; top: 0; left: 0;
    width: 100%; height: auto;
    flex-direction: row; align-items: center; justify-content: space-between;
    gap: 12px; padding: 10px 16px;
    background: linear-gradient(180deg, rgba(10, 31, 26, 0.96), rgba(7, 17, 15, 0.93));
    backdrop-filter: blur(12px);
    border-right: 0; border-bottom: 1px solid var(--hair);
    overflow: visible;
    z-index: 90;
  }

  .rail-progress {
    position: absolute; top: auto; bottom: -1px; left: 0;
    width: 100%; height: 2px;
  }
  .rail-progress__fill {
    transform-origin: left center;
    transform: scaleX(var(--p, 0));
    transition: transform 0.12s linear;
  }

  .rail-head { flex-direction: row; align-items: center; gap: 12px; }
  .brand { flex-direction: row; align-items: center; gap: 9px; text-align: left; }
  .brand__mark { writing-mode: horizontal-tb; font-size: 16px; letter-spacing: 0.12em; }
  .brand__desc {
    writing-mode: horizontal-tb;
    font-size: 10px; letter-spacing: 0.14em;
    padding-left: 9px; border-left: 1px solid var(--hair-strong);
  }

  .nav-toggle {
    position: relative; z-index: 99;
    display: inline-flex; align-items: center; gap: 9px;
    padding: 9px 12px; border-radius: 2px;
    border: 1px solid rgba(51, 240, 208, 0.34);
    background: rgba(18, 59, 51, 0.55);
    color: var(--fog);
    font-size: 12px; letter-spacing: 0.18em;
    transition: border-color 0.2s, color 0.2s;
  }
  .nav-toggle__bars { position: relative; display: block; width: 16px; height: 10px; }
  .nav-toggle__bars::before,
  .nav-toggle__bars::after {
    content: ""; position: absolute; left: 0;
    width: 100%; height: 1.5px; background: currentColor;
    transition: transform 0.28s var(--ease), top 0.28s var(--ease);
  }
  .nav-toggle__bars::before { top: 0; }
  .nav-toggle__bars::after { top: 8px; }
  .nav-toggle__text { display: inline-block; }
  .site-rail[data-open] .nav-toggle { border-color: rgba(255, 122, 26, 0.6); color: var(--orange); }
  .site-rail[data-open] .nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
  .site-rail[data-open] .nav-toggle__bars::after { top: 4px; transform: rotate(-45deg); }

  .rail-nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(86vw, 330px);
    margin: 0; padding: 84px 20px 34px;
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, #0E2A24 0%, #0B1D19 46%, #050F0D 100%);
    border-left: 1px solid rgba(51, 240, 208, 0.24);
    box-shadow: -34px 0 70px -30px #000;
    transform: translateX(102%);
    visibility: hidden;
    transition: transform 0.32s var(--ease), visibility 0.32s;
    overflow-y: auto;
    z-index: 92;
  }
  .site-rail[data-open] .rail-nav { transform: translateX(0); visibility: visible; }

  .rail-nav__title {
    margin-bottom: 6px; text-align: left;
    font-size: 10px; letter-spacing: 0.22em;
  }
  .rail-nav__list { gap: 0; }
  .rail-nav__link {
    flex-direction: row; align-items: center; justify-content: flex-start;
    gap: 14px; padding: 15px 4px;
    border-bottom: 1px solid rgba(201, 222, 216, 0.10);
  }
  .rail-nav__link::before { left: -20px; }
  .rail-nav__num { font-size: 11px; }
  .rail-nav__label { font-size: 15px; letter-spacing: 0.08em; }
  .rail-nav__foot {
    margin-top: auto; padding: 18px 0 0; text-align: left;
    font-size: 11.5px; letter-spacing: 0.04em;
  }

  .rail-foot {
    position: fixed; left: 0; right: 0; bottom: 0;
    margin: 0; padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(7, 17, 15, 0.86), rgba(7, 17, 15, 0.98));
    border-top: 1px solid var(--hair);
    backdrop-filter: blur(10px);
    z-index: 88;
  }
  .rail-cta {
    writing-mode: horizontal-tb;
    width: 100%; padding: 12px 18px;
    font-size: 14px; letter-spacing: 0.16em;
  }

  .rail-scrim {
    display: block;
    position: fixed; inset: 0; z-index: 84;
    background: rgba(4, 10, 9, 0.72);
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s var(--ease);
  }
  .site-rail[data-open] .rail-scrim { opacity: 1; pointer-events: auto; }
}

@media (max-width: 420px) {
  .brand__desc { display: none; }
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 8vw, 120px);
  padding-block: clamp(36px, 5vw, 64px) 0;
  background: linear-gradient(180deg, #0B1D19 0%, #081614 56%, #050E0C 100%);
  border-top: 1px solid var(--hair-strong);
  overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(51, 240, 208, 0.65), transparent);
}

.footer-signal {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: clamp(14px, 2vw, 28px);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--hair);
}
.footer-signal__meta {
  margin-left: auto;
  font-family: var(--num);
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--mist);
}
.signal { display: flex; align-items: flex-end; gap: 3px; height: 26px; }
.signal span {
  display: block; width: 3px; height: 100%;
  transform-origin: bottom center;
  background: linear-gradient(180deg, var(--cyan), rgba(51, 240, 208, 0.18));
  animation: signalPulse 3.8s var(--ease) infinite;
}
.signal span:nth-child(2n) { transform: scaleY(0.62); animation-delay: 0.3s; }
.signal span:nth-child(3n) { transform: scaleY(0.88); animation-delay: 0.6s; background: linear-gradient(180deg, var(--orange), rgba(255, 122, 26, 0.18)); }
.signal span:nth-child(4n) { transform: scaleY(0.44); animation-delay: 0.9s; }
.signal span:nth-child(5n) { transform: scaleY(0.74); animation-delay: 1.2s; }

.footer-main {
  display: grid; gap: clamp(26px, 4vw, 48px);
  padding-block: clamp(30px, 4.4vw, 56px);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1080px) {
  .footer-main { grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr 1.25fr; }
}

.footer-brand__mark {
  display: inline-block;
  font-family: var(--serif); font-weight: 900;
  font-size: 1.5rem; letter-spacing: 0.1em; color: var(--fog);
  transition: color 0.2s;
}
.footer-brand__mark:hover { color: var(--cyan); }
.footer-brand__line {
  max-width: 26ch; margin-top: 0.7rem;
  font-size: 0.9375rem; line-height: 1.8; color: var(--mist);
}
.footer-brand .tag { margin-top: 1.1rem; }

.footer-col__title {
  margin-bottom: 0.9rem;
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--cyan);
}
.footer-col__list { display: flex; flex-direction: column; gap: 0.55rem; list-style: none; margin: 0; padding: 0; }
.footer-link {
  position: relative;
  display: inline-block;
  font-size: 0.9375rem; color: var(--mist);
  transition: color 0.2s, padding-left 0.2s;
}
.footer-link::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 0; height: 1px; background: var(--cyan);
  transition: width 0.2s var(--ease);
}
.footer-link:hover { color: var(--fog); padding-left: 14px; }
.footer-link:hover::before { width: 9px; }

.footer-contact__list { display: flex; flex-direction: column; gap: 0.7rem; list-style: none; margin: 0; padding: 0; }
.footer-contact__row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.footer-contact__label {
  min-width: 3.2em;
  font-size: 10px; letter-spacing: 0.18em; color: rgba(154, 179, 172, 0.82);
}
.footer-contact__value {
  font-family: var(--num);
  font-size: 0.9375rem; letter-spacing: 0.02em; color: var(--fog);
  word-break: break-all;
}
.footer-contact__value--text { font-family: var(--sans); font-size: 0.875rem; }
.copy-btn {
  padding: 0.3em 0.62em; border-radius: 2px;
  border: 1px solid var(--hair-strong);
  font-size: 10px; letter-spacing: 0.16em; color: var(--mist);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.copy-btn:hover { color: var(--cyan); border-color: rgba(51, 240, 208, 0.5); background: var(--cyan-soft); }
.copy-btn[data-copied] { color: var(--orange); border-color: rgba(255, 122, 26, 0.55); background: rgba(255, 122, 26, 0.09); }
.footer-note {
  max-width: 34ch; margin-top: 1rem;
  font-size: 0.8125rem; line-height: 1.75; color: rgba(154, 179, 172, 0.9);
}

.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.6rem 1.5rem;
  padding-block: 1.1rem;
  border-top: 1px solid var(--hair);
  font-size: 0.75rem; letter-spacing: 0.06em;
  color: rgba(154, 179, 172, 0.85);
}
.footer-bottom__legal { margin: 0; }
.footer-bottom__addr { margin: 0; }

/* ---------- 12. 动效 ---------- */
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.86); }
}
@keyframes signalPulse {
  0%, 100% { transform: scaleY(0.42); }
  50% { transform: scaleY(1); }
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@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;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .rail-progress__fill { transition: none; }
}