/* ==========================================================================
   顶盛体育VIP · 共享样式 /assets/site.css
   夜间战术板视觉系统：炭黑底 / 深墨绿分区 / 荧光青柠指挥色
   ========================================================================== */

:root {
  --ink: #0B0F0E;
  --deep: #102A24;
  --moss: #193B33;
  --lime: #C8FF3D;
  --orange: #FF7A33;
  --steel: #8FA9BF;
  --mist: #C3CEC9;
  --paper: #F2F7F3;
  --abyss: #061312;
  --teal: #4DE0B0;

  --rail-w: 100px;
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --pill: 999px;

  --font-display: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --line: rgba(143, 169, 191, 0.18);
  --line-strong: rgba(143, 169, 191, 0.34);
  --lime-soft: rgba(200, 255, 61, 0.10);
  --read-progress: 0;
}

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

* { margin: 0; }

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

body { min-height: 100vh; }

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

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

a { color: inherit; text-decoration: none; }

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

button { cursor: pointer; }

:where(h1, h2, h3, h4) {
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- base ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 560px at 88% -8%, rgba(200, 255, 61, 0.09), transparent 62%),
    radial-gradient(880px 520px at 4% 108%, rgba(77, 224, 176, 0.07), transparent 64%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--lime);
  color: var(--abyss);
}

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

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  z-index: 999;
  padding: 10px 20px;
  border-radius: var(--pill);
  background: var(--lime);
  color: var(--abyss);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transform: translateY(-180%);
  transition: transform 0.22s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 16px;
  background: #0B0F0E;
  border-block-end: 1px solid var(--line);
  box-shadow: 0 14px 32px -26px rgba(0, 0, 0, 0.95);
}

/* 滚动进度细线 */
.site-header::after {
  content: "";
  position: absolute;
  inset-block-end: -1px;
  inset-inline-start: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--teal));
  transform: scaleX(var(--read-progress));
  transform-origin: left center;
  transition: transform 0.12s linear;
  pointer-events: none;
}

/* 抽屉遮罩 */
.site-header::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 125;
  background: rgba(6, 19, 18, 0.74);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.site-header[data-open]::before {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 品牌 */
.rail-top {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--lime) 0%, #8FE84C 100%);
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 78% 100%, 0 100%);
  box-shadow: 0 10px 24px -12px rgba(200, 255, 61, 0.85);
}

.brand-words {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  white-space: nowrap;
}

.brand-badge {
  padding: 1px 7px;
  border: 1px solid rgba(200, 255, 61, 0.5);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--lime);
  line-height: 1.6;
}

.brand-tagline {
  display: none;
  font-size: 10px;
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: var(--steel);
  text-align: center;
}

/* 抽屉按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(25, 59, 51, 0.6);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--lime);
  background: var(--lime-soft);
  color: var(--lime);
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
  flex: 0 0 auto;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  transition: transform 0.26s cubic-bezier(0.32, 0.72, 0.28, 1);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.nav-toggle-text {
  font-size: 13px;
  line-height: 1;
}

/* 导航（移动端抽屉） */
.site-nav {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 130;
  width: min(84vw, 320px);
  padding: 78px 18px 30px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background:
    radial-gradient(320px 220px at 100% 0%, rgba(200, 255, 61, 0.14), transparent 70%),
    linear-gradient(168deg, #102A24 0%, #0B0F0E 56%, #061312 100%);
  border-inline-end: 1px solid rgba(200, 255, 61, 0.28);
  box-shadow: 26px 0 60px -34px rgba(0, 0, 0, 0.95);
  transform: translateX(-104%);
  visibility: hidden;
  transition: transform 0.34s cubic-bezier(0.32, 0.72, 0.28, 1), visibility 0.34s;
}

.site-header[data-open] .site-nav {
  transform: translateX(0);
  visibility: visible;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--mist);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--steel);
  letter-spacing: 0.06em;
}

.nav-text {
  line-height: 1.3;
}

.nav-link:hover {
  color: var(--paper);
  background: rgba(200, 255, 61, 0.08);
  border-color: rgba(200, 255, 61, 0.4);
}

.nav-link[aria-current="page"] {
  color: var(--abyss);
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 12px 28px -16px rgba(200, 255, 61, 0.95);
}

.nav-link[aria-current="page"] .nav-num {
  color: rgba(6, 19, 18, 0.6);
}

/* 轨道底部（仅桌面） */
.rail-foot {
  display: none;
  padding-block-start: 14px;
}

.rail-cta {
  display: block;
  padding: 9px 4px;
  border-radius: var(--pill);
  background: var(--lime);
  color: var(--abyss);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-align: center;
  box-shadow: 0 12px 26px -16px rgba(200, 255, 61, 0.95);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rail-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -14px rgba(200, 255, 61, 1);
}

.rail-note {
  margin-block-start: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-align: center;
  color: var(--steel);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-block-start: 80px;
  padding: 56px 20px 30px;
  overflow: hidden;
  color: var(--mist);
  border-block-start: 1px solid rgba(200, 255, 61, 0.18);
  background:
    radial-gradient(620px 320px at 90% -10%, rgba(200, 255, 61, 0.11), transparent 70%),
    linear-gradient(180deg, #0B0F0E 0%, #061312 100%);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset-block-start: -160px;
  inset-inline-end: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 51, 0.12), transparent 66%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  display: grid;
  gap: 34px;
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  line-height: 1.1;
}

.footer-logo span {
  margin-inline-start: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.footer-line {
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--lime);
  border-radius: var(--pill);
  color: var(--lime);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.footer-cta::after {
  content: "↗";
  font-family: var(--font-mono);
  font-size: 13px;
}

.footer-cta:hover {
  background: var(--lime);
  color: var(--abyss);
  transform: translateY(-2px);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 20px;
}

.footer-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.footer-title {
  padding-block-end: 8px;
  border-block-end: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--steel);
  line-height: 1.4;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link:hover {
  color: var(--lime);
  transform: translateX(3px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.footer-meta {
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
  word-break: break-word;
}

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

.footer-meta .mono {
  color: var(--mist);
}

.footer-note {
  margin-block-start: 4px;
  padding-inline-start: 12px;
  border-inline-start: 2px solid rgba(255, 122, 51, 0.6);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(143, 169, 191, 0.9);
}

.footer-base {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  width: 100%;
  max-width: 1240px;
  margin: 38px auto 0;
  padding-block-start: 20px;
  border-block-start: 1px solid var(--line);
  font-size: 12px;
  color: var(--steel);
}

.footer-icp {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--mist);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal a {
  color: var(--steel);
  border-block-end: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-legal a:hover {
  color: var(--lime);
  border-block-end-color: var(--lime);
}

/* ==========================================================================
   通用排版与容器
   ========================================================================== */
.wrap,
.wrap--narrow,
.wrap--wide {
  width: 100%;
  margin-inline: auto;
  padding-inline: 20px;
}

.wrap { max-width: 1240px; }
.wrap--narrow { max-width: 880px; }
.wrap--wide { max-width: 1480px; }

.display-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--paper);
  text-wrap: balance;
}

.lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--steel);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.section-label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--lime);
}

.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist);
}

.prose > * + * { margin-block-start: 1em; }

.prose h2 {
  margin-block-start: 1.7em;
  font-size: clamp(22px, 2.6vw, 28px);
  color: var(--paper);
}

.prose h3 {
  margin-block-start: 1.4em;
  font-size: clamp(18px, 2vw, 21px);
  color: var(--paper);
}

.prose ul { list-style: disc; padding-inline-start: 1.3em; }
.prose ol { list-style: decimal; padding-inline-start: 1.3em; }
.prose li { margin-block-start: 0.35em; }

.prose a {
  color: var(--lime);
  border-block-end: 1px solid rgba(200, 255, 61, 0.45);
}

.prose strong { color: var(--paper); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: rgba(143, 169, 191, 0.5);
}

.breadcrumb a {
  color: var(--steel);
  transition: color 0.2s ease;
}

.breadcrumb a:hover { color: var(--lime); }

.breadcrumb [aria-current="page"] { color: var(--mist); }

/* ==========================================================================
   按钮 / 标签
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-align: center;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--lime);
  color: var(--abyss);
  box-shadow: 0 14px 30px -18px rgba(200, 255, 61, 0.95);
}

.btn--primary:hover {
  box-shadow: 0 18px 36px -16px rgba(200, 255, 61, 1);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--paper);
}

.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--lime-soft);
}

.btn--orange {
  background: var(--orange);
  color: #1A0C04;
  box-shadow: 0 14px 30px -18px rgba(255, 122, 51, 0.9);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid rgba(200, 255, 61, 0.4);
  border-radius: var(--pill);
  background: var(--lime-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--lime);
}

.tag--orange {
  color: var(--orange);
  border-color: rgba(255, 122, 51, 0.45);
  background: rgba(255, 122, 51, 0.12);
}

.tag--teal {
  color: var(--teal);
  border-color: rgba(77, 224, 176, 0.42);
  background: rgba(77, 224, 176, 0.12);
}

.tag--steel {
  color: var(--steel);
  border-color: rgba(143, 169, 191, 0.36);
  background: rgba(143, 169, 191, 0.1);
}

/* ==========================================================================
   网格
   ========================================================================== */
.grid {
  display: grid;
  gap: 18px;
}

.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ==========================================================================
   响应式图片容器
   ========================================================================== */
.media {
  position: relative;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 120% at 18% 0%, rgba(200, 255, 61, 0.16), transparent 62%),
    linear-gradient(148deg, #193B33 0%, #102A24 56%, #061312 100%);
}

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

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(6, 19, 18, 0.62) 100%);
  pointer-events: none;
}

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

.media--cut {
  border-radius: var(--radius-md);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

/* ==========================================================================
   显现动画（JS 驱动）
   ========================================================================== */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.32, 0.72, 0.28, 1);
  will-change: opacity, transform;
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* ==========================================================================
   断点
   ========================================================================== */
@media (min-width: 720px) {
  .site-header { padding: 12px 24px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-name { font-size: 18px; }
  .site-footer { padding: 64px 28px 34px; }
  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 28px; }
}

@media (min-width: 1000px) {
  .footer-inner {
    grid-template-columns: 1.05fr 1.55fr;
    align-items: start;
    gap: 44px;
  }
  .footer-contact { grid-column: 1 / -1; }
}

@media (min-width: 1080px) {
  body { padding-inline-start: var(--rail-w); }

  .skip-link { inset-inline-start: calc(var(--rail-w) + 12px); }

  /* —— 侧边指挥轨道 —— */
  .site-header {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: var(--rail-w);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 20px 10px 16px;
    border-block-end: 0;
    border-inline-end: 1px solid rgba(143, 169, 191, 0.16);
    background:
      radial-gradient(140px 200px at 50% 0%, rgba(200, 255, 61, 0.16), transparent 70%),
      linear-gradient(180deg, #102A24 0%, #0B0F0E 44%, #061312 100%);
    box-shadow: 26px 0 54px -44px #000;
  }

  .site-header::before { display: none; }

  .site-header::after {
    inset-inline-start: auto;
    inset-inline-end: -1px;
    inset-block-start: 0;
    inset-block-end: auto;
    width: 2px;
    height: 100%;
    transform: scaleY(var(--read-progress));
    transform-origin: top center;
    background: linear-gradient(180deg, var(--lime), var(--teal));
  }

  .rail-top {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .brand {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    font-size: 20px;
  }

  .brand-words {
    flex-direction: column;
    align-items: center;
    gap: 3px;
  }

  .brand-name { font-size: 14px; letter-spacing: 0.04em; }
  .brand-badge { font-size: 9px; padding: 0 5px; }
  .brand-tagline { display: block; margin-block-start: 4px; }

  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    flex: 1 1 auto;
    min-height: 0;
    width: auto;
    padding: 20px 0 0;
    overflow-y: auto;
    overscroll-behavior: auto;
    transform: none;
    visibility: visible;
    border: 0;
    background: none;
    box-shadow: none;
  }

  .nav-list { gap: 5px; }

  .nav-link {
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 10px 4px;
    border-radius: 13px;
    font-size: 13px;
    letter-spacing: 0.03em;
    text-align: center;
    line-height: 1.35;
  }

  .nav-num { display: none; }
  .nav-text { word-break: keep-all; }

  .rail-foot { display: block; margin-block-start: auto; }

  .footer-inner {
    grid-template-columns: 1fr 1.5fr 1.1fr;
    gap: 48px;
  }
  .footer-contact { grid-column: auto; }
}

@media (min-width: 1400px) {
  :root { --rail-w: 108px; }
  .nav-link { font-size: 13.5px; padding: 11px 4px; }
}

/* ==========================================================================
   降低动态效果
   ========================================================================== */
@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;
    transition-delay: 0ms !important;
  }

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

  .nav-link:hover,
  .footer-link:hover,
  .btn:hover,
  .rail-cta:hover,
  .footer-cta:hover { transform: none; }
}