/* ============================================================
   贝博艾弗森赛场 — 共享样式 /assets/site.css
   夜间球场控制台：深墨绿底 / 荧光柠檬绿信号 / 电光橙状态 / 冰蓝对照
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root {
  --ink: #0B1F17;
  --char: #111312;
  --lime: #C6FF3D;
  --orange: #FF6A2B;
  --ice: #8FD8FF;
  --mist: #F2F5EF;
  --ash: #8A948C;
  --pine: #16382A;
  --alert: #FF3B4E;

  --line: rgba(242, 245, 239, 0.16);
  --line-strong: rgba(242, 245, 239, 0.38);
  --veil: rgba(242, 245, 239, 0.78);

  --font-display: "Archivo Black", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --header-h: 78px;
  --wrap: 1280px;
  --gutter: clamp(18px, 4vw, 56px);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 2. 重置与基础排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

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

body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1200px 620px at 82% -10%, rgba(198, 255, 61, 0.09), transparent 62%),
    radial-gradient(900px 520px at 4% 8%, rgba(143, 216, 255, 0.07), transparent 60%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

button, input, select, textarea { font: inherit; color: inherit; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

p { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

::selection { background: var(--lime); color: #08150F; }

#main-content { padding-top: var(--header-h); }

/* ---------- 3. 排版工具 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--lime);
  flex: 0 0 auto;
}

.section-title {
  font-size: clamp(28px, 4.4vw, 52px);
  color: var(--mist);
}

.lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--veil);
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(44px, 7vw, 96px); }
.section--tight { padding-block: clamp(26px, 4vw, 56px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 32px);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.grid-split {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(20px, 3.4vw, 56px);
  align-items: start;
}

.stack {
  display: grid;
  gap: var(--stack-gap, 16px);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: #08150F;
  box-shadow: 5px 5px 0 0 rgba(0, 0, 0, 0.5);
}

.btn--primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 rgba(198, 255, 61, 0.24);
}

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

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

.btn--orange {
  background: var(--orange);
  border-color: var(--orange);
  color: #14100C;
  box-shadow: 5px 5px 0 0 rgba(0, 0, 0, 0.5);
}

.btn--orange:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 rgba(255, 106, 43, 0.28);
}

/* ---------- 6. 状态色标 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}

.tag--lime { background: var(--lime); border-color: var(--lime); color: #08150F; }
.tag--orange { background: var(--orange); border-color: var(--orange); color: #150E08; }
.tag--ice { background: var(--ice); border-color: var(--ice); color: #08150F; }
.tag--alert { background: var(--alert); border-color: var(--alert); color: var(--mist); }

/* ---------- 7. 图片容器（页面阶段放置占位图） ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 2px solid var(--line-strong);
  background: var(--pine);
}

.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 31, 23, 0) 42%, rgba(11, 31, 23, 0.78));
  pointer-events: none;
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 9px 14px;
  background: rgba(11, 31, 23, 0.78);
  border-top: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ash);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin: 0 9px;
  color: var(--ash);
}

.breadcrumbs__link {
  color: var(--veil);
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.breadcrumbs__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

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

/* ---------- 9. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 400;
  padding: 10px 18px;
  background: var(--lime);
  border: 2px solid #08150F;
  color: #08150F;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  transform: translateY(-180%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 10. 头部 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background-color: transparent;
  background-image: linear-gradient(to bottom, rgba(11, 31, 23, 0.86), rgba(11, 31, 23, 0));
  border-bottom: 1px solid transparent;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease),
    background-image 0.24s var(--ease);
}

.site-header[data-scrolled] {
  background-color: rgba(11, 31, 23, 0.96);
  background-image: none;
  border-bottom: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
}

.site-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  background: rgba(242, 245, 239, 0.1);
}

.site-header__progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.site-header__inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.6vw, 38px);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  color: var(--mist);
}

.brand__mark {
  position: relative;
  display: block;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 2px solid var(--lime);
  background: linear-gradient(135deg, rgba(198, 255, 61, 0.18), rgba(11, 31, 23, 0) 62%);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.brand__mark::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 6px;
  right: 15px;
  background: var(--lime);
  transform: skewX(-12deg);
  transition: background-color 0.2s var(--ease);
}

.brand__mark::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 5px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.brand:hover .brand__mark { border-color: var(--mist); }
.brand:hover .brand__mark::before { background: var(--mist); }

.brand__text {
  display: grid;
  gap: 3px;
  line-height: 1;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-style: normal;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
  white-space: nowrap;
}

/* 导航 */
.primary-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.6vw, 26px);
  counter-reset: navidx;
}

.primary-nav__item { display: block; }

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 2px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--veil);
  white-space: nowrap;
  transition: color 0.18s var(--ease);
}

.primary-nav__link::before {
  counter-increment: navidx;
  content: "0" counter(navidx);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ash);
  transform: translateY(-0.5em);
  transition: color 0.18s var(--ease);
}

.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s var(--ease);
}

.primary-nav__link:hover { color: var(--mist); }
.primary-nav__link:hover::after { transform: scaleX(1); }

.primary-nav__link[aria-current="page"] { color: var(--lime); }
.primary-nav__link[aria-current="page"]::before { color: var(--lime); }
.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.primary-nav__cta { display: none; }

/* 头部行动按钮 */
.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--lime);
  border: 2px solid var(--lime);
  color: #08150F;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  box-shadow: 4px 4px 0 0 rgba(198, 255, 61, 0.22);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.header-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 0 rgba(198, 255, 61, 0.34);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 13px;
  background: transparent;
  border: 2px solid var(--line-strong);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 12px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s var(--ease), top 0.2s var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 10px; }

.nav-toggle[aria-expanded="true"] { border-color: var(--lime); color: var(--lime); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 5px; transform: rotate(-45deg); }

.nav-toggle__text { display: block; }

/* ---------- 11. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 120px);
  background: var(--char);
  border-top: 3px solid var(--lime);
  color: var(--mist);
}

.site-footer__top {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 68px) var(--gutter) clamp(24px, 4vw, 42px);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 1.3fr) minmax(250px, 1.15fr);
  gap: clamp(26px, 4vw, 48px);
}

.site-footer__brand { display: grid; gap: 16px; align-content: start; }

.brand--footer { gap: 13px; }

.brand--footer .brand__mark { width: 38px; height: 38px; }

.brand--footer .brand__name { font-size: 18px; letter-spacing: 0.05em; }

.brand--footer .brand__tag { font-size: 10px; letter-spacing: 0.2em; color: var(--lime); }

.site-footer__note {
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--veil);
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-content: start;
}

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

.footer-nav__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  font-style: normal;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.footer-nav__list {
  display: grid;
  gap: 9px;
}

.footer-nav__link {
  display: inline-block;
  font-size: 14px;
  color: var(--veil);
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-nav__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

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

.footer-contact__list {
  display: grid;
  gap: 12px;
}

.contact-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.contact-row--stack {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.contact-row__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

.contact-row__value {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.contact-row__value--text {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(242, 245, 239, 0.8);
}

.copy-btn {
  padding: 4px 9px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--ash);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease),
    background-color 0.18s var(--ease);
}

.copy-btn:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.copy-btn[data-copied="ok"] {
  background: var(--lime);
  border-color: var(--lime);
  color: #08150F;
}

.copy-btn[data-copied="fail"] {
  background: var(--alert);
  border-color: var(--alert);
  color: var(--mist);
}

.footer-contact__note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ash);
}

.site-footer__watermark {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(38px, 10.5vw, 148px);
  line-height: 0.82;
  letter-spacing: -0.035em;
  white-space: nowrap;
  overflow: hidden;
  color: transparent;
  -webkit-text-stroke: 1px rgba(198, 255, 61, 0.26);
  user-select: none;
}

@supports not (-webkit-text-stroke: 1px #000) {
  .site-footer__watermark { color: rgba(198, 255, 61, 0.14); }
}

.site-footer__bottom {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding: 18px var(--gutter) 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--ash);
}

.site-footer__legal { color: rgba(242, 245, 239, 0.7); }
.site-footer__icp { color: var(--ash); }
.site-footer__hint { margin-left: auto; color: var(--ash); }

/* ---------- 12. 显现钩子 ---------- */
html.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.52s var(--ease), transform 0.52s var(--ease);
}

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

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

@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }

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

  html[data-nav-open] .site-header {
    background-color: var(--ink);
    background-image: none;
    border-bottom: 1px solid var(--line-strong);
  }

  .primary-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin-left: 0;
    display: block;
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    padding: 10px var(--gutter) 28px;
    background: var(--pine);
    border-top: 2px solid var(--lime);
    border-bottom: 1px solid var(--line-strong);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s var(--ease);
  }

  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .primary-nav__item { border-bottom: 1px solid var(--line); }

  .primary-nav__link {
    display: block;
    padding: 15px 0;
    font-size: 15px;
    color: var(--mist);
  }

  .primary-nav__link::before {
    display: inline-block;
    width: 26px;
    transform: none;
    font-size: 10px;
  }

  .primary-nav__link::after { display: none; }

  .primary-nav__link[aria-current="page"]::before { color: var(--lime); }

  .primary-nav__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    padding: 13px 18px;
    background: var(--lime);
    border: 2px solid var(--lime);
    color: #08150F;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.08em;
  }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .span-3, .span-4, .span-5 { grid-column: span 3; }
  .span-6, .span-7, .span-8, .span-12 { grid-column: span 6; }

  .grid-split { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .site-footer__top { grid-template-columns: minmax(0, 1fr); }
  .site-footer__brand { grid-column: auto; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .site-footer__hint { margin-left: 0; }
  .site-footer__note { max-width: none; }

  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .span-3, .span-4, .span-5,
  .span-6, .span-7, .span-8, .span-12 { grid-column: span 2; }

  .brand__tag { font-size: 8.5px; letter-spacing: 0.14em; }
}

@media (max-width: 420px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .contact-row { grid-template-columns: minmax(0, 1fr) auto; }
  .contact-row__label { grid-column: 1 / -1; }
}

/* ---------- 14. 动效偏好 ---------- */
@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;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .btn--primary:hover,
  .btn--orange:hover,
  .header-cta:hover { transform: none; }

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