/* ============================================================
   南宫体育 · 共享外壳样式  /assets/site.css
   深空墨底 + 电光青 / 熔金橙 / 胶片暖黄 三色编码
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ol, ul { margin: 0; }

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

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

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

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

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #070B14;
  --ink-800: #0E1728;
  --ink-700: #1A2340;
  --cyan: #25E1D4;
  --amber: #FF8A2B;
  --film: #E7C271;
  --wine: #7A2B45;
  --mist: #93A2BD;
  --paper: #F4F7FC;

  --line: rgba(147, 162, 189, .20);
  --line-soft: rgba(147, 162, 189, .12);
  --line-film: rgba(231, 194, 113, .38);

  --rail-w: 120px;
  --radius: 14px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font-display: "Oswald", "Arial Narrow", "Helvetica Neue Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

/* ---------- 3. 中文排版与页面底色 ---------- */
body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1200px 620px at 80% -12%, rgba(37, 225, 212, .10), transparent 62%),
    radial-gradient(960px 520px at 4% 106%, rgba(122, 43, 69, .30), transparent 60%),
    repeating-linear-gradient(0deg, rgba(147, 162, 189, .035) 0 1px, transparent 1px 3px);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.12;
}

h1 { font-size: clamp(30px, 5vw, 58px); font-weight: 900; letter-spacing: -.02em; }
h2 { font-size: clamp(22px, 3vw, 34px); }
h3 { font-size: clamp(18px, 2vw, 24px); }

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

a { color: var(--cyan); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: #7ff3ea; }

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

::selection { background: rgba(37, 225, 212, .30); color: var(--paper); }

/* ---------- 4. 工具类 ---------- */
.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 20px;
  background: var(--cyan);
  color: #04131A;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  border-radius: 0 0 12px 0;
}
.skip-link:focus,
.skip-link:focus-visible { left: 0; color: #04131A; }

.wrap {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 52px);
}

.site-main { position: relative; min-height: 60vh; }

@media (min-width: 1024px) {
  .site-main { margin-left: var(--rail-w); }
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}
@media (max-width: 900px) { .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.glass {
  background: linear-gradient(160deg, rgba(26, 35, 64, .78), rgba(7, 11, 20, .66));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.panel {
  background: var(--ink-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
}

.band {
  background:
    linear-gradient(90deg, rgba(122, 43, 69, .60), rgba(26, 35, 64, .32)),
    var(--ink-800);
  border-top: 1px solid var(--line-film);
  border-bottom: 1px solid var(--line-film);
  padding: clamp(20px, 3vw, 34px) 0;
}

.divider { border: 0; border-top: 1px solid var(--line); margin: clamp(24px, 4vw, 46px) 0; }

.film-rule {
  height: 14px;
  border: 0;
  margin: clamp(22px, 3.4vw, 40px) 0;
  background-image: repeating-linear-gradient(90deg, rgba(231, 194, 113, .70) 0 6px, transparent 6px 18px);
  background-repeat: repeat-x;
  background-position: center;
  background-size: 18px 100%;
  opacity: .8;
}

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.sec-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.sec-head__title { font-size: clamp(20px, 2.6vw, 30px); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 18px;
}
.crumbs li { display: inline-flex; align-items: center; gap: 6px; }
.crumbs li::after { content: "/"; color: rgba(147, 162, 189, .45); }
.crumbs li:last-child::after { content: ""; }
.crumbs a { color: var(--mist); }
.crumbs a:hover { color: var(--cyan); }
.crumbs [aria-current="page"] { color: var(--paper); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}
.tag--win { color: var(--cyan); border-color: rgba(37, 225, 212, .45); background: rgba(37, 225, 212, .08); }
.tag--draw { color: var(--mist); border-color: var(--line); background: rgba(147, 162, 189, .08); }
.tag--loss { color: var(--amber); border-color: rgba(255, 138, 43, .45); background: rgba(255, 138, 43, .08); }
.tag--film { color: var(--film); border-color: var(--line-film); background: rgba(231, 194, 113, .08); }

.stat { display: flex; flex-direction: column; gap: 5px; }
.stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .3s var(--ease), background-color .3s var(--ease),
              color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(135deg, var(--amber), #FF6A00);
  border-color: transparent;
  color: #160B02;
  font-weight: 800;
}
.btn--primary:hover { color: #160B02; box-shadow: 0 10px 26px rgba(255, 138, 43, .30); }

.btn--ghost {
  background: rgba(37, 225, 212, .08);
  border-color: rgba(37, 225, 212, .45);
  color: var(--cyan);
}
.btn--ghost:hover { background: rgba(37, 225, 212, .17); color: #C7FFFA; }

.btn--block { display: flex; width: 100%; }

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

.btn--rail {
  padding: 9px 6px;
  font-size: 12.5px;
  letter-spacing: -.01em;
}

/* ---------- 6. 图片容器基础规则 ---------- */
.media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--ink-800);
  background-image: linear-gradient(135deg, rgba(26, 35, 64, .92), rgba(7, 11, 20, .96));
}
.media > img,
.media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(7, 11, 20, .34) 0 1px, transparent 1px 4px);
  opacity: .55;
}
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--3x4 { aspect-ratio: 3 / 4; }

.media--film {
  border-color: var(--line-film);
  box-shadow: inset 0 0 0 6px rgba(231, 194, 113, .08);
}
.media--film::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  z-index: 3;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, rgba(231, 194, 113, .78) 0 6px, transparent 6px 16px);
}

.media__cap {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 4;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(7, 11, 20, .82);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper);
}

/* ---------- 7. 头部：侧边轨道导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 14px 20px;
  background: linear-gradient(180deg, #0B1222 0%, #070B14 55%, #0D1526 100%);
  border-right: 1px solid var(--line);
}
.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(147, 162, 189, .05) 0 1px, transparent 1px 4px);
}
.site-header > * { position: relative; z-index: 1; }

.site-header__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--paper);
  text-decoration: none;
}
.site-header__brand .brand { flex-direction: column; align-items: flex-start; gap: 6px; }

.brand__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.15;
  letter-spacing: .05em;
  color: var(--paper);
}
.brand__note {
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1;
  letter-spacing: .18em;
  padding: 3px 5px;
  border: 1px solid rgba(255, 138, 43, .5);
  border-radius: 4px;
  color: var(--amber);
}
.brand__tagline {
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.65;
  letter-spacing: .04em;
  color: var(--mist);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid rgba(37, 225, 212, .42);
  border-radius: 10px;
  background: rgba(37, 225, 212, .08);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color .28s var(--ease), border-color .28s var(--ease);
}
.nav-toggle:hover { background: rgba(37, 225, 212, .16); border-color: rgba(37, 225, 212, .7); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  transition: transform .3s var(--ease), top .3s var(--ease), bottom .3s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }
html[data-nav-open] .nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
html[data-nav-open] .nav-toggle__bars::after { bottom: 4px; transform: rotate(-45deg); }

.site-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.site-nav__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(147, 162, 189, .72);
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
}

.site-nav__list { display: flex; flex-direction: column; gap: 2px; }

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 6px;
  border-left: 2px solid transparent;
  border-radius: 9px;
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
  color: var(--mist);
  transition: color .28s var(--ease), background-color .28s var(--ease), border-color .28s var(--ease);
}
.site-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
  color: rgba(147, 162, 189, .65);
}
.site-nav__link:hover {
  color: var(--paper);
  background: rgba(37, 225, 212, .10);
}
.site-nav__link[aria-current="page"] {
  color: var(--paper);
  font-weight: 700;
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(37, 225, 212, .22), rgba(37, 225, 212, 0));
}
.site-nav__link[aria-current="page"] .site-nav__num { color: var(--cyan); }

.site-nav__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(147, 162, 189, .22);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(4, 7, 14, .74);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
html[data-nav-open] .nav-scrim { opacity: 1; pointer-events: auto; }
@media (min-width: 1024px) { .nav-scrim { display: none; } }

.scroll-progress {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  background: rgba(147, 162, 189, .16);
  overflow: hidden;
}
.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(var(--p, 0));
  transform-origin: top center;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 9vw, 120px);
  padding: clamp(30px, 5vw, 56px) 0 30px;
  background: linear-gradient(180deg, #0A101E, #070B14 62%);
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 14.5px;
}
@media (min-width: 1024px) { .site-footer { margin-left: var(--rail-w); } }

.filmstrip {
  position: relative;
  height: 58px;
  margin: 0 0 clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line-film);
  border-bottom: 1px solid var(--line-film);
  background-image:
    linear-gradient(180deg, rgba(231, 194, 113, .10), rgba(231, 194, 113, .02)),
    repeating-linear-gradient(90deg, rgba(231, 194, 113, .18) 0 1px, transparent 1px 26px);
}
.filmstrip::before,
.filmstrip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--ink-900) 0 7px, rgba(231, 194, 113, .5) 7px 19px);
}
.filmstrip::before { top: 0; }
.filmstrip::after { bottom: 0; }

.filmstrip__ticks {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 46px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--film);
  font-variant-numeric: tabular-nums;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(200px, .95fr) 2.1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
}

.footer-brand { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.brand--footer .brand__mark { font-size: 20px; }
.footer-brand__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.8;
  color: rgba(147, 162, 189, .8);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--film);
  margin-bottom: 14px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
  font-size: 14.5px;
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.footer-col a::before {
  content: "";
  width: 14px;
  height: 1px;
  background: rgba(147, 162, 189, .5);
  transition: width .25s var(--ease), background-color .25s var(--ease);
}
.footer-col a:hover { color: var(--paper); transform: translateX(3px); }
.footer-col a:hover::before { width: 22px; background: var(--cyan); }

.site-footer__contact {
  padding: clamp(22px, 3vw, 32px) 0 clamp(18px, 2.5vw, 26px);
  border-bottom: 1px solid var(--line-soft);
}

.contact-list { display: flex; flex-direction: column; gap: 11px; }
.contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}
.contact-list__key {
  min-width: 54px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(231, 194, 113, .85);
}
.contact-list__val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  word-break: break-word;
}

.copy-btn {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--mist);
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}
.copy-btn:hover { color: var(--cyan); border-color: rgba(37, 225, 212, .5); background: rgba(37, 225, 212, .08); }
.copy-btn.is-done { color: var(--amber); border-color: rgba(255, 138, 43, .55); background: rgba(255, 138, 43, .1); }

.site-footer__note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(147, 162, 189, .82);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(147, 162, 189, .85);
}
.site-footer__icp { margin: 0; }
.site-footer__copy { margin: 0; }

.to-top {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 70;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(37, 225, 212, .5);
  background: rgba(14, 23, 40, .92);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .32s var(--ease), transform .32s var(--ease), border-color .32s var(--ease);
}
html[data-scrolled] .to-top { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); border-color: var(--cyan); }

/* ---------- 9. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 10. 焦点与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 11. 移动 / 平板：轨道塌缩为顶部条 + 抽屉 ---------- */
@media (max-width: 1023px) {
  .site-header {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #0B1222, #070B14);
  }
  .site-header::after { display: none; }

  .site-header__brand { flex-direction: row; align-items: center; gap: 10px; }
  .site-header__brand .brand { flex-direction: row; align-items: center; gap: 7px; }
  .brand__tagline { display: none; }

  .nav-toggle { display: inline-flex; z-index: 100; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    z-index: 90;
    width: min(340px, 88vw);
    flex: none;
    gap: 12px;
    padding: 78px 20px 28px;
    background: linear-gradient(180deg, #0E1728, #070B14);
    border-left: 1px solid rgba(37, 225, 212, .28);
    transform: translateX(103%);
    transition: transform .42s var(--ease);
    overflow-y: auto;
  }
  .site-nav[data-open] { transform: translateX(0); }

  .site-nav__label { font-size: 10px; }
  .site-nav__link { font-size: 15px; padding: 13px 10px; gap: 10px; }
  .site-nav__num { font-size: 11px; }
  .site-nav__actions { gap: 10px; padding-top: 18px; }
  .site-nav__actions .btn { padding: 12px 10px; font-size: 14px; }

  html[data-nav-open] { overflow: hidden; }

  .scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: 3px;
    z-index: 120;
  }
  .scroll-progress__bar {
    transform: scaleX(var(--p, 0));
    transform-origin: left center;
    background: linear-gradient(90deg, var(--cyan), var(--amber));
  }

  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .site-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .site-footer__nav { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .contact-list__item { align-items: flex-start; }
  .contact-list__val { font-size: 13px; }
  .filmstrip__ticks { font-size: 10px; letter-spacing: .12em; }
  .to-top { right: 14px; bottom: 14px; }
}

/* ---------- 12. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .btn:hover, .to-top:hover, .footer-col a:hover { transform: none; }
}