/* =========================================================
   360体育看台 · /assets/site.css
   看台夜赛视觉系统：墨绿底 + 蓝图纸网格 + 切角面板
   ========================================================= */

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

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

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

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

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

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
}

/* ---------- 2. 设计变量 ---------- */
:root {
  color-scheme: dark;

  --ink: #06120E;
  --panel: #0D1715;
  --moss: #143428;
  --line: #2B5B47;
  --lime: #C9FF3B;
  --orange: #FF6B2C;
  --chalk: #F3F8F0;
  --mist: #A8B7AE;
  --mint: #79C7A5;
  --glow: #DFFFF0;

  --line-soft: rgba(43, 91, 71, 0.62);
  --line-faint: rgba(43, 91, 71, 0.30);

  --font-display: "Oswald", "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "DIN Alternate", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --shell-max: 1400px;
  --cut: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 中文排版基线 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(43, 91, 71, 0.11) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 91, 71, 0.11) 1px, transparent 1px);
  background-size: 80px 80px;
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  letter-spacing: 0.012em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0.012em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 7vw, 6rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.9rem); }
h3 { font-size: clamp(1.16rem, 1.9vw, 1.55rem); line-height: 1.3; }

p {
  text-wrap: pretty;
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

strong {
  color: var(--chalk);
  font-weight: 600;
}

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: 1px;
}

#main-content {
  scroll-margin-top: 118px;
}

[data-section] {
  scroll-margin-top: 124px;
}

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

.section {
  padding-block: clamp(40px, 7vw, 88px);
}

.section--tight {
  padding-block: clamp(24px, 4vw, 48px);
}

.section--panel {
  background: var(--panel);
  border-block: 1px solid var(--line-faint);
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.grid--12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
}

.grid--12 > * {
  grid-column: 1 / -1;
}

@media (min-width: 901px) {
  .grid--12 > .col-3 { grid-column: span 3; }
  .grid--12 > .col-4 { grid-column: span 4; }
  .grid--12 > .col-5 { grid-column: span 5; }
  .grid--12 > .col-6 { grid-column: span 6; }
  .grid--12 > .col-7 { grid-column: span 7; }
  .grid--12 > .col-8 { grid-column: span 8; }
  .grid--12 > .col-9 { grid-column: span 9; }
  .grid--12 > .col-10 { grid-column: span 10; }
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: var(--gutter);
  z-index: 300;
  transform: translateY(-180%);
  padding: 11px 20px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--ink);
  outline-offset: -5px;
}

/* ---------- 6. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.header-strip {
  background: var(--panel);
  border-bottom: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.header-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
}

.header-strip__brand-line {
  margin: 0;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-strip__utility {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

.header-strip__link {
  display: inline-block;
  padding: 3px 0;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.header-strip__link:hover,
.header-strip__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.header-main {
  position: relative;
}

.header-main__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  min-height: 80px;
  padding-block: 10px;
  transition: min-height 0.22s var(--ease);
}

.site-header[data-stuck] .header-main__inner {
  min-height: 62px;
}

/* 品牌牌记 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--chalk);
  text-decoration: none;
}

.brand__glyph {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  transition: background-color 0.18s var(--ease);
}

.brand:hover .brand__glyph {
  background: var(--glow);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--chalk);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.brand--footer {
  margin-bottom: 4px;
}

.brand--footer .brand__glyph {
  background: var(--moss);
  color: var(--lime);
  box-shadow: inset 0 0 0 1px var(--line);
}

.brand--footer:hover .brand__glyph {
  background: var(--lime);
  color: var(--ink);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 10px 14px;
  color: var(--chalk);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-header[data-open] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header[data-open] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.site-header[data-open] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle__label {
  font-size: 11px;
  line-height: 1;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.5vw, 22px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 10px 2px;
  color: var(--mist);
  font-size: 14px;
  letter-spacing: 0.045em;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--chalk);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  transform: scaleX(1);
}

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

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-cta {
  flex: 0 0 auto;
  padding: 11px 18px;
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

/* 滚动进度条 */
.scroll-meter {
  position: relative;
  height: 2px;
  background: var(--line-faint);
  overflow: hidden;
}

.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--mint), var(--lime) 58%, var(--orange));
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform 0.12s linear;
}

/* ---------- 7. 通用按钮 ---------- */
.btn {
  --btn-cut: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(var(--btn-cut) 0, 100% 0, 100% calc(100% - var(--btn-cut)), calc(100% - var(--btn-cut)) 100%, 0 100%, 0 var(--btn-cut));
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn--accent {
  background: var(--lime);
  color: var(--ink);
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background: var(--glow);
  color: var(--ink);
}

.btn--signal {
  background: var(--orange);
  color: var(--ink);
}

.btn--signal:hover,
.btn--signal:focus-visible {
  background: #FF8A55;
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--chalk);
  border-color: var(--line);
}

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

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

.btn:focus-visible,
.nav-toggle:focus-visible,
.chip:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -4px;
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--panel);
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 14px;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime) 0 16%, var(--orange) 16% 23%, transparent 23%);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 1.9fr);
  gap: clamp(32px, 5vw, 80px);
  padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 48px);
}

.footer-brand__summary {
  margin-top: 18px;
  max-width: 42ch;
  color: var(--mist);
  line-height: 1.82;
}

.footer-brand__note {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.footer-col__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col__list a {
  color: var(--chalk);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.footer-col__list a:hover,
.footer-col__list a:focus-visible {
  color: var(--lime);
}

.footer-col--contact .footer-contact {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-faint);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}

.footer-contact__k {
  flex: 0 0 34px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer-contact__v {
  color: var(--chalk);
  line-height: 1.6;
  word-break: break-word;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 18px 26px;
  border-top: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--mist);
}

.footer-legal__line {
  margin: 0;
}

.footer-legal__meta {
  margin: 0;
  color: rgba(168, 183, 174, 0.72);
}

/* ---------- 9. 通用内容组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: currentColor;
}

.lede {
  max-width: 62ch;
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.78;
  color: var(--mist);
}

.prose {
  max-width: 68ch;
}

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2 {
  margin-top: 1.9em;
}

.prose h3 {
  margin-top: 1.6em;
}

.prose p {
  color: rgba(243, 248, 240, 0.88);
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
  color: rgba(243, 248, 240, 0.88);
}

.prose ul { list-style: square; }
.prose ol { list-style: decimal; }

.prose li + li {
  margin-top: 0.45em;
}

.prose a {
  color: var(--mint);
}

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

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumb__list li + li::before {
  content: "/";
  color: var(--line);
}

.breadcrumb__list a {
  color: var(--mist);
  text-decoration: none;
}

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

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

.panel {
  --cut: 18px;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  padding: clamp(18px, 2.6vw, 30px);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  background: var(--moss);
  color: var(--mist);
  border: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.chip:hover {
  color: var(--chalk);
  background: #1B4232;
}

.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.rule {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line-faint);
}

.sr-only {
  position: absolute;
  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;
}

/* ---------- 10. 图片容器基础（页面阶段放置占位） ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background-color: var(--moss);
  background-image:
    linear-gradient(135deg, rgba(201, 255, 59, 0.10), transparent 62%),
    repeating-linear-gradient(135deg, rgba(43, 91, 71, 0.42) 0 1px, transparent 1px 11px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.media-frame__img,
.media-frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
  transition: transform 0.4s var(--ease);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame:hover .media-frame__img,
.media-frame:hover > img {
  transform: scale(1.03);
}

/* ---------- 11. 返回顶部（JS 注入） ---------- */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 70;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: var(--moss);
  color: var(--chalk);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease), visibility 0.2s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.to-top:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -4px;
}

.to-top__arrow {
  width: 10px;
  height: 10px;
  border-left: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg) translate(1px, 1px);
}

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 12;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 10px var(--gutter) 22px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 28px 56px rgba(0, 0, 0, 0.6);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }

  .site-header[data-open] .site-nav {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-nav__list > li {
    border-bottom: 1px solid var(--line-faint);
  }

  .site-nav__link {
    display: block;
    width: 100%;
    padding: 15px 2px 15px 16px;
    font-size: 16px;
  }

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

  .site-nav__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    background: var(--lime);
    opacity: 0;
    transition: opacity 0.18s var(--ease);
  }

  .site-nav__link[aria-current="page"]::before {
    opacity: 1;
  }

  .site-nav__link:hover,
  .site-nav__link[aria-current="page"] {
    color: var(--lime);
  }

  .nav-cta {
    width: 100%;
    margin-top: 18px;
    padding: 14px 20px;
  }
}

@media (max-width: 960px) {
  .footer-top {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .header-strip {
    display: none;
  }

  .header-main__inner {
    min-height: 64px;
    gap: 12px;
  }

  .site-header[data-stuck] .header-main__inner {
    min-height: 58px;
  }

  .brand__glyph {
    width: 36px;
    height: 36px;
    font-size: 11px;
  }

  .brand__sub {
    display: none;
  }

  .brand__name {
    font-size: 17px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-brand__summary {
    max-width: none;
  }

  #main-content {
    scroll-margin-top: 92px;
  }

  [data-section] {
    scroll-margin-top: 96px;
  }
}

@media (max-width: 380px) {
  .brand__name {
    font-size: 15px;
    letter-spacing: 0.04em;
  }

  .nav-toggle__label {
    display: none;
  }
}

/* ---------- 13. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .media-frame:hover .media-frame__img,
  .media-frame:hover > img {
    transform: none;
  }

  .to-top {
    transform: none;
  }
}