/* ============================================================
   乐动体育 LDSPORTS — /assets/site.css
   共享层：reset / 变量 / 中文排版 / 框架导航 / 页脚 / 通用组件
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

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

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

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

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

a { color: inherit; }

/* ---------- 变量 ---------- */
:root {
  --ink: #06090F;
  --panel: #0E1A2B;
  --glass: #17263C;
  --muted: #8FA3BF;
  --white: #F4F8FF;
  --body-text: #DCE6F4;
  --cyan: #2BF0D0;
  --orange: #FF6A2B;
  --ember: #E23C1E;
  --line: #C9D8E6;
  --glass-teal: #0B2B2A;

  --line-soft: rgba(201, 216, 230, 0.14);
  --line-mid: rgba(201, 216, 230, 0.24);
  --cyan-soft: rgba(43, 240, 208, 0.22);
  --teal-veil: rgba(11, 43, 42, 0.58);

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo,
    Consolas, "Liberation Mono", monospace;

  --header-h: 76px;
  --shell: 1320px;
  --gutter: clamp(18px, 4vw, 56px);
  --radius: 2px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shift: 180ms var(--ease);
}

/* ---------- 页面基底 ---------- */
body {
  background-color: var(--ink);
  color: var(--body-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 8% -12%, rgba(43, 240, 208, 0.09), transparent 62%),
    radial-gradient(880px 500px at 102% 4%, rgba(255, 106, 43, 0.06), transparent 58%),
    linear-gradient(180deg, #06090F 0%, #080D16 52%, #06090F 100%);
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

h1 { font-size: clamp(30px, 5.2vw, 58px); }
h2 { font-size: clamp(23px, 3.2vw, 36px); }
h3 { font-size: clamp(18px, 2.1vw, 23px); }

p { line-height: 1.75; }

strong, b { color: var(--white); font-weight: 700; }

::selection {
  background: rgba(43, 240, 208, 0.28);
  color: var(--white);
}

/* ---------- 焦点 ---------- */
:focus { outline: none; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 跳至主要内容 ---------- */
.skip-link {
  position: fixed;
  top: -68px;
  left: 18px;
  z-index: 200;
  padding: 11px 18px;
  background: var(--cyan);
  color: #04110F;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top var(--shift);
}

.skip-link:focus {
  top: 14px;
}

/* ---------- 容器与留白 ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(64px, 9vw, 130px);
}

.section--tight {
  padding-block: clamp(36px, 5vw, 68px);
}

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

/* ============================================================
   头部：框架式导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(6, 9, 15, 0.84);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-mid);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(190px, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.6vw, 40px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: var(--header-h);
  padding-block: 10px;
}

.site-header__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan) 0%, #7BFFF0 100%);
  box-shadow: 0 0 14px rgba(43, 240, 208, 0.55);
  pointer-events: none;
}

/* 品牌 */
.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.brand__link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--white);
  width: fit-content;
}

.brand__mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid var(--cyan-soft);
  pointer-events: none;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.brand__name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__suffix {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.brand__descriptor {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 导航 */
.nav {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1.1vw, 14px);
  flex-wrap: wrap;
  justify-content: center;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 10px;
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--shift), background-color var(--shift);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--shift);
}

.nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(143, 163, 191, 0.65);
  transition: color var(--shift);
}

.nav__link:hover {
  color: var(--white);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__link:hover .nav__index {
  color: var(--cyan);
}

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

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

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

/* 工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}

.header-cta {
  white-space: nowrap;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  background: transparent;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--shift), border-color var(--shift), background-color var(--shift);
}

.nav-toggle__box {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle__box span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--shift);
}

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

.site-header[data-open] .nav-toggle {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--glass-teal);
}

.site-header[data-open] .nav-toggle__box span:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.site-header[data-open] .nav-toggle__box span:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 128px);
  background: linear-gradient(180deg, rgba(14, 26, 43, 0.92) 0%, var(--ink) 78%);
  border-top: 1px solid var(--line-mid);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: var(--gutter);
  width: 64px;
  height: 2px;
  background: var(--cyan);
}

.site-footer__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(40px, 5.5vw, 72px) var(--gutter) 28px;
}

.footer-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  padding-bottom: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
}

.footer-lead__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.footer-lead__mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.footer-lead__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.footer-lead__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.footer-lead__suffix {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.footer-lead__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.footer-lead__cta {
  white-space: nowrap;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 36px);
  padding-block: clamp(28px, 4vw, 44px);
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--body-text);
  text-decoration: none;
  transition: color var(--shift), transform var(--shift);
}

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

.footer-contact__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px clamp(16px, 2.4vw, 32px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--line-soft);
}

.footer-contact__item dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-contact__item dd {
  font-size: 14.5px;
  color: var(--white);
  word-break: break-word;
}

.footer-rule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--muted);
}

.footer-rule__note {
  flex: 1 1 420px;
  max-width: 780px;
  line-height: 1.7;
}

.footer-legal {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.footer-copy {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.footer-copy__year:empty {
  display: none;
}

/* ============================================================
   通用组件
   ============================================================ */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--shift), background-color var(--shift),
    color var(--shift), border-color var(--shift), box-shadow var(--shift);
}

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04110F;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -12px rgba(43, 240, 208, 0.8),
    0 0 0 1px rgba(43, 240, 208, 0.4);
}

.btn--ghost {
  background: rgba(23, 38, 60, 0.55);
  border-color: var(--line-mid);
  color: var(--white);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  color: var(--cyan);
  border-color: var(--cyan);
}

/* 面板 */
.panel {
  position: relative;
  padding: clamp(20px, 2.8vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform var(--shift), border-color var(--shift),
    box-shadow var(--shift), background-color var(--shift);
}

.panel--glass {
  background: rgba(23, 38, 60, 0.62);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  border-color: var(--line-mid);
}

.panel--hover:hover {
  transform: translateY(-4px);
  border-color: rgba(43, 240, 208, 0.55);
  box-shadow: 0 20px 44px -30px rgba(43, 240, 208, 0.65);
}

.panel__index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

/* 眉标 / 注释 / 竖排 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.annotation {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.vertical-tag {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--muted);
}

/* 数字 */
.numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.anchor-number {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(56px, 13vw, 148px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--white);
}

.is-cyan { color: var(--cyan); }
.is-up { color: var(--orange); }
.is-down { color: var(--ember); }

/* 面包屑 */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 12.5px;
  color: var(--muted);
}

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

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(143, 163, 191, 0.5);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--shift);
}

.breadcrumbs a:hover {
  color: var(--cyan);
}

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

/* 正文 */
.prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--body-text);
}

.prose > * + * { margin-top: 1.2em; }

.prose h2 {
  margin-top: 2em;
  font-size: clamp(20px, 2.4vw, 28px);
}

.prose h3 {
  margin-top: 1.7em;
  font-size: clamp(17px, 1.8vw, 20px);
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
  list-style: disc;
}

.prose ol { list-style: decimal; }

.prose li { margin-bottom: 0.45em; }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose blockquote {
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--cyan);
  color: var(--muted);
}

.prose code {
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--cyan);
  background: rgba(23, 38, 60, 0.85);
  border-radius: var(--radius);
}

.prose hr {
  height: 1px;
  border: 0;
  background: var(--line-soft);
}

/* 网格 */
.grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.grid--asym {
  grid-template-columns: minmax(200px, 3fr) minmax(0, 9fr);
}

/* 数据表格 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
}

.data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table caption {
  padding: 14px 16px 0;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.data-table thead th {
  position: sticky;
  top: var(--header-h);
  z-index: 2;
  background: #0B1626;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.data-table tbody tr {
  transition: background-color var(--shift);
}

.data-table tbody tr:hover {
  background: var(--teal-veil);
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table td.num,
.data-table th.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* 图片容器基础规则 */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(43, 240, 208, 0.10) 0%, rgba(6, 9, 15, 0) 58%),
    repeating-linear-gradient(90deg, rgba(201, 216, 230, 0.12) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(0deg, rgba(201, 216, 230, 0.09) 0 1px, transparent 1px 54px),
    var(--panel);
}

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

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

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(6, 9, 15, 0) 0%, rgba(6, 9, 15, 0.88) 100%);
}

/* 显现动效 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  .brand__descriptor { display: none; }
  .nav__index { display: none; }
  .nav__link { padding: 9px 8px; font-size: 14px; }
}

@media (max-width: 1023px) {
  :root { --header-h: 68px; }

  html { scroll-padding-top: 84px; }

  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    justify-content: flex-start;
    padding: 10px var(--gutter) 20px;
    background: linear-gradient(180deg, rgba(14, 26, 43, 0.985) 0%, rgba(6, 9, 15, 0.985) 100%);
    border-bottom: 1px solid rgba(43, 240, 208, 0.3);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    transition: opacity 160ms var(--ease), transform 160ms var(--ease),
      visibility 160ms linear;
  }

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

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    justify-content: flex-start;
  }

  .nav__item { width: 100%; }

  .nav__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
  }

  .nav__index { display: inline-block; font-size: 11px; }

  .nav__link::after { left: 4px; right: auto; width: 34px; bottom: 6px; }

  .footer-lead {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }

  .footer-lead__cta { justify-self: start; }

  .grid--asym { grid-template-columns: minmax(0, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .header-cta { display: none; }
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }

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

  .brand__mark { width: 30px; height: 30px; font-size: 11px; }
  .brand__name { font-size: 17px; }

  .nav-toggle__text { display: none; }

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

/* ============================================================
   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;
  }

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

  .panel--hover:hover,
  .btn--primary:hover,
  .btn--ghost:hover,
  .footer-link:hover {
    transform: none;
  }

  .site-header__progress { transition: none; }
}