/* ============================================
   谈球吧APP · 全站共享样式 /assets/site.css
   数据终端 + 赛场脉冲
   ============================================ */

/* ---------- 0. 设计变量 ---------- */
:root {
  --c-deep-950: #0A1128;
  --c-deep-700: #122A5C;
  --c-green: #39FF88;
  --c-orange: #FF4D2E;
  --c-paper: #F5F1E8;
  --c-paper-light: #EAE5D9;
  --c-ink: #111827;
  --c-line: #64748B;

  --font-head: "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", "SFMono-Regular", Consolas, monospace;

  --header-h: 64px;
  --nav-w: 208px;
  --container-w: 1240px;

  --cut-sm: polygon(0 4px, 4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
  --cut-corner: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);

  --grid-blueprint:
    linear-gradient(rgba(100, 116, 139, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 116, 139, 0.08) 1px, transparent 1px);

  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
  background-color: var(--c-deep-950);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: inherit;
}

::selection {
  background: var(--c-green);
  color: var(--c-deep-950);
}

/* ---------- 2. 基础排版 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
}

h2 {
  font-size: clamp(24px, 3.4vw, 38px);
}

h3 {
  font-size: clamp(20px, 2.4vw, 26px);
}

h4 {
  font-size: 18px;
}

p {
  max-width: 60em;
}

/* ---------- 3. 无障碍 ---------- */
.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;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 500;
  background: var(--c-green);
  color: var(--c-deep-950);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  text-decoration: none;
  clip-path: var(--cut-sm);
  transform: translateY(calc(-100% - 20px));
  transition: transform 0.18s var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
}

/* ---------- 4. 顶栏框架 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
}

.site-header__bar {
  position: relative;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 clamp(14px, 3vw, 32px);
  background-color: var(--c-deep-950);
  background-image: var(--grid-blueprint);
  background-size: 36px 36px;
  border-bottom: 1px solid rgba(100, 116, 139, 0.35);
}

.site-header__bar::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    rgba(57, 255, 136, 0.5) 0 1px,
    transparent 1px 60px
  );
  opacity: 0.5;
  pointer-events: none;
}

.site-header__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--c-green), var(--c-orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 302;
  pointer-events: none;
}

/* ---------- 5. 品牌 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--c-paper);
  flex-shrink: 0;
}

.brand:hover .brand__name {
  color: var(--c-green);
}

.brand:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 4px;
}

.brand__mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-deep-700);
  border: 1px solid var(--c-green);
  clip-path: var(--cut-sm);
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-green);
  transition: background 0.16s ease, color 0.16s ease;
}

.brand:hover .brand__mark {
  background: var(--c-green);
  color: var(--c-deep-950);
}

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

.brand__name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--c-paper);
  transition: color 0.16s ease;
}

.brand__meta {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-line);
}

/* ---------- 6. 数据脉搏 ---------- */
.datapulse {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px;
  background: rgba(18, 42, 92, 0.65);
  border: 1px solid rgba(100, 116, 139, 0.4);
  clip-path: var(--cut-sm);
  font-family: var(--font-num);
  flex-shrink: 0;
}

.datapulse__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-green);
  text-transform: uppercase;
}

.datapulse__label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

.datapulse__clock {
  font-size: 17px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--c-paper);
  letter-spacing: 0.04em;
}

.datapulse__sep {
  width: 1px;
  height: 15px;
  background: rgba(100, 116, 139, 0.6);
}

.datapulse__count {
  min-width: 22px;
  text-align: right;
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--c-green);
}

.datapulse__unit {
  font-size: 11px;
  color: var(--c-paper);
  opacity: 0.65;
  letter-spacing: 0.04em;
}

.datapulse__count.is-refreshing {
  animation: count-flash 0.6s var(--ease-out);
  color: var(--c-orange);
}

/* ---------- 7. 移动导航按钮 ---------- */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--c-deep-700);
  border: 1px solid rgba(100, 116, 139, 0.5);
  clip-path: var(--cut-sm);
  cursor: pointer;
  flex-shrink: 0;
}

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

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-paper);
  border-radius: 1px;
  transition: transform 0.18s var(--ease-out), opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 8. 框架导航 ---------- */
.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  z-index: 250;
  width: min(284px, 86vw);
  display: flex;
  flex-direction: column;
  background-color: var(--c-deep-700);
  background-image: var(--grid-blueprint);
  background-size: 32px 32px;
  border-right: 1px solid rgba(100, 116, 139, 0.25);
  transform: translateX(-105%);
  transition: transform 0.22s var(--ease-out);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.site-nav[data-open] {
  transform: translateX(0);
  box-shadow: 24px 0 48px rgba(5, 10, 30, 0.5);
}

.site-nav__ruler {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 14px;
  border-left: 1px solid rgba(100, 116, 139, 0.18);
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 7px,
    rgba(100, 116, 139, 0.35) 7px 8px
  );
  pointer-events: none;
}

.site-nav__list {
  list-style: none;
  padding: 22px 0 12px;
}

.site-nav__item + .site-nav__item {
  margin-top: 2px;
}

.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 22px 11px 24px;
  color: rgba(245, 241, 232, 0.76);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-left: 3px solid transparent;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.site-nav__link:hover {
  background: rgba(57, 255, 136, 0.09);
  color: var(--c-paper);
  border-left-color: rgba(57, 255, 136, 0.55);
}

.site-nav__link[aria-current="page"] {
  background: linear-gradient(90deg, rgba(57, 255, 136, 0.18), transparent 85%);
  border-left-color: var(--c-green);
  color: var(--c-green);
}

.site-nav__index {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-line);
}

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

.site-nav__label {
  font-family: var(--font-head);
  font-weight: 700;
}

.site-nav__meta {
  margin-top: auto;
  padding: 16px 22px 20px 24px;
  border-top: 1px solid rgba(100, 116, 139, 0.22);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-line);
  text-transform: uppercase;
}

body.nav-open {
  overflow: hidden;
}

/* ---------- 9. 正文主区域 ---------- */
#main-content {
  background-color: var(--c-paper);
  color: var(--c-ink);
  min-height: 70vh;
  padding-top: var(--header-h);
  padding-bottom: clamp(48px, 7vh, 88px);
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

/* ---------- 10. 章节骨架 ---------- */
.section {
  padding: clamp(48px, 8vw, 96px) 0;
}

.section__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: clamp(24px, 4vw, 40px);
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(100, 116, 139, 0.25);
}

.section__index {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--c-green);
  text-transform: uppercase;
}

.section__title {
  margin-top: 2px;
}

.section__desc {
  max-width: 52ch;
  font-size: 16px;
  color: var(--c-ink);
  opacity: 0.78;
}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 18px 0;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--c-line);
}

.breadcrumb a {
  color: var(--c-line);
  text-decoration: none;
  transition: color 0.14s ease;
}

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

.breadcrumb__sep {
  opacity: 0.5;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  background-color: var(--c-deep-950);
  background-image: var(--grid-blueprint);
  background-size: 40px 40px;
  color: var(--c-paper);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green) 0 60%, var(--c-orange) 60% 100%);
  opacity: 0.7;
}

.site-footer__grid {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 64px) clamp(16px, 4vw, 48px) 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.site-footer__brandblock {
  min-width: 0;
}

.site-footer__statement {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.66);
  max-width: 38em;
}

.site-footer__coord {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 10px;
  border: 1px dashed rgba(100, 116, 139, 0.45);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(100, 116, 139, 0.85);
}

.site-footer__col {
  min-width: 0;
}

.site-footer__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(100, 116, 139, 0.28);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green);
}

.site-footer__title::before {
  content: '';
  width: 16px;
  height: 2px;
  background: var(--c-green);
  flex-shrink: 0;
}

.site-footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__link {
  display: inline-block;
  color: rgba(245, 241, 232, 0.75);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.14s ease, padding-left 0.14s ease;
}

.site-footer__link:hover {
  color: var(--c-green);
  padding-left: 4px;
}

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

.site-footer__label {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-line);
}

.site-footer__value {
  font-size: 14px;
  color: rgba(245, 241, 232, 0.85);
  word-break: break-all;
}

.site-footer__bottom {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 16px clamp(16px, 4vw, 48px) 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(100, 116, 139, 0.22);
  font-family: var(--font-num);
  font-size: 13px;
  color: rgba(245, 241, 232, 0.62);
}

.site-footer__copy {
  font-variant-numeric: tabular-nums;
}

.site-footer__note {
  letter-spacing: 0.02em;
}

/* ---------- 13. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  clip-path: var(--cut-sm);
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--c-green);
  color: var(--c-deep-950);
}

.btn--primary:hover {
  background: #6dfaad;
  transform: translateY(-2px);
}

.btn--orange {
  background: var(--c-orange);
  color: var(--c-paper);
}

.btn--orange:hover {
  background: #ff6b4f;
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border-color: rgba(100, 116, 139, 0.6);
  color: var(--c-ink);
}

.btn--outline:hover {
  border-color: var(--c-green);
  color: var(--c-deep-700);
  background: rgba(57, 255, 136, 0.08);
}

.btn--ghost {
  background: rgba(245, 241, 232, 0.07);
  border-color: rgba(245, 241, 232, 0.22);
  color: var(--c-paper);
}

.btn--ghost:hover {
  background: rgba(245, 241, 232, 0.14);
  border-color: var(--c-green);
  color: var(--c-green);
}

/* ---------- 14. 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(100, 116, 139, 0.5);
  color: var(--c-ink);
  clip-path: var(--cut-sm);
}

.tag--green {
  color: var(--c-green);
  border-color: rgba(57, 255, 136, 0.5);
}

.tag--orange {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.tag--on-dark {
  color: var(--c-paper);
  border-color: rgba(245, 241, 232, 0.35);
}

/* ---------- 15. 卡片 ---------- */
.card {
  position: relative;
  background: var(--c-paper);
  border: 1px solid rgba(100, 116, 139, 0.22);
  clip-path: var(--cut-corner);
  padding: clamp(20px, 3vw, 32px);
}

.card--dark {
  background: var(--c-deep-700);
  border-color: rgba(57, 255, 136, 0.18);
  color: var(--c-paper);
}

.card--dark h1,
.card--dark h2,
.card--dark h3 {
  color: var(--c-paper);
}

.card--green-border {
  border-color: rgba(57, 255, 136, 0.55);
}

/* ---------- 16. 数字 ---------- */
.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.num--display {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.num--green {
  color: var(--c-green);
}

.num--orange {
  color: var(--c-orange);
}

/* ---------- 17. 图文容器 ---------- */
.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(57, 255, 136, 0.08), transparent 40%),
    var(--c-deep-700);
  border: 1px solid rgba(100, 116, 139, 0.28);
  clip-path: var(--cut-corner);
  aspect-ratio: 16 / 10;
}

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

.image-frame::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 8px 14px;
  background: linear-gradient(transparent, rgba(10, 17, 40, 0.88));
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-green);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.image-frame:hover::after {
  opacity: 1;
  transform: none;
}

/* ---------- 18. 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  background: var(--c-paper);
  border: 1px solid rgba(100, 116, 139, 0.22);
  clip-path: var(--cut-corner);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.table-wrap th,
.table-wrap td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(100, 116, 139, 0.14);
  white-space: nowrap;
}

.table-wrap th {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  background: var(--c-deep-700);
}

.table-wrap td {
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.table-wrap tbody tr:nth-child(even) td {
  background: var(--c-paper-light);
}

.table-wrap tbody tr:last-child td {
  border-bottom: none;
}

.table-wrap tbody tr:hover td {
  background: rgba(57, 255, 136, 0.12);
}

/* ---------- 19. 深蓝坐标网格 ---------- */
.blueprint {
  background-color: var(--c-deep-950);
  background-image: var(--grid-blueprint);
  background-size: 36px 36px;
  color: var(--c-paper);
}

/* ---------- 20. 脉冲动画 ---------- */
@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

@keyframes count-flash {
  0% {
    transform: scale(1);
    color: var(--c-green);
  }
  40% {
    transform: scale(1.35);
    color: var(--c-orange);
  }
  100% {
    transform: scale(1);
    color: var(--c-green);
  }
}

@keyframes data-flash {
  0% {
    opacity: 0.55;
    box-shadow: inset 0 0 0 0 rgba(57, 255, 136, 0);
  }
  45% {
    opacity: 1;
    box-shadow: inset 0 0 0 2px rgba(57, 255, 136, 0.4);
  }
  100% {
    opacity: 1;
    box-shadow: inset 0 0 0 0 rgba(57, 255, 136, 0);
  }
}

.data-flash {
  animation: data-flash 0.6s var(--ease-out) both;
}

/* ---------- 21. 品牌页脚变体 ---------- */
.brand--footer .brand__mark {
  width: 44px;
  height: 44px;
  font-size: 17px;
}

.brand--footer .brand__name {
  font-size: 24px;
}

.brand--footer .brand__meta {
  font-size: 11px;
}

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1023.98px) {
  #main-content {
    padding-top: var(--header-h);
  }
}

@media (min-width: 640px) and (max-width: 1023.98px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brandblock {
    grid-column: 1 / -1;
  }

  .site-footer__contact {
    grid-column: 1 / -1;
  }

  .site-footer__contact .site-footer__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 36px;
  }
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    width: var(--nav-w);
    transform: none;
    transition: none;
    box-shadow: none;
  }

  #main-content {
    margin-left: var(--nav-w);
    padding-top: var(--header-h);
  }

  .site-footer {
    margin-left: var(--nav-w);
  }

  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
  }

  .site-footer__brandblock {
    grid-column: auto;
  }
}

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

  .datapulse {
    padding: 4px 10px;
    gap: 7px;
  }

  .datapulse__label {
    display: none;
  }

  .datapulse__sep {
    display: none;
  }

  .datapulse__clock {
    font-size: 15px;
  }

  .datapulse__count {
    font-size: 15px;
  }

  .datapulse__unit {
    font-size: 10px;
  }

  .site-header__bar {
    gap: 8px;
  }
}

/* ---------- 23. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}