/* ============================================================
   华体育·中国站 — 共享样式 /assets/site.css
   基调：夜场直播指挥台 / 技术蓝图网格 / 主客双色对立
   ============================================================ */

:root {
  --ink: #070A0C;
  --pine: #0B1F1C;
  --home: #FF4D2E;
  --home-glow: #FF8A3D;
  --away: #3D8BFF;
  --away-deep: #1C3F7A;
  --cyan: #31F2D6;
  --mist: #F3F6F5;
  --gray: #8B9894;
  --line: #C9D2CF;
  --grid: #1B2A2E;

  --line-soft: rgba(201, 210, 207, 0.16);
  --line-mid: rgba(201, 210, 207, 0.32);
  --mist-72: rgba(243, 246, 245, 0.72);
  --mist-86: rgba(243, 246, 245, 0.86);

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "IBM Plex Mono", "Noto Sans Mono CJK SC", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --wrap: 1440px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --speed: 240ms;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 62% at 82% -12%, rgba(28, 63, 122, 0.24), transparent 62%),
    radial-gradient(88% 52% at 4% 2%, rgba(255, 77, 46, 0.10), transparent 58%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.004em;
  color: var(--mist);
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 6vw, 88px); line-height: 0.95; }
h2 { font-size: clamp(28px, 3.6vw, 48px); }
h3 { font-size: clamp(22px, 2.4vw, 32px); }
h4 { font-size: clamp(18px, 1.8vw, 22px); letter-spacing: 0.01em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--away);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms var(--ease);
}
a:hover { color: var(--cyan); }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

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

hr {
  border: 0;
  border-top: 1px solid var(--line-soft);
  margin: 32px 0;
}

button { font-family: inherit; }

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 布局基础 ---------- */

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

.section {
  padding-block: clamp(48px, 7vw, 96px);
}

.blueprint {
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(27, 42, 46, 0.85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 42, 46, 0.85) 1px, transparent 1px);
  background-size: 64px 64px;
}

.surface-light {
  background-color: var(--mist);
  color: #12211F;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--home);
}

/* ---------- 标签 ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line-soft);
  background: rgba(11, 31, 28, 0.55);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--gray);
  white-space: nowrap;
}

.tag--home {
  color: var(--home);
  border-color: rgba(255, 77, 46, 0.42);
  background: rgba(255, 77, 46, 0.10);
}

.tag--away {
  color: var(--away);
  border-color: rgba(61, 139, 255, 0.42);
  background: rgba(61, 139, 255, 0.10);
}

.tag--live {
  color: var(--cyan);
  border-color: rgba(49, 242, 214, 0.42);
  background: rgba(49, 242, 214, 0.08);
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 180ms var(--ease), color 180ms var(--ease),
              border-color 180ms var(--ease), transform 180ms var(--ease);
}

.btn--home {
  background-image: linear-gradient(135deg, var(--home), var(--home-glow));
  color: #120704;
  box-shadow: 0 8px 22px -14px rgba(255, 77, 46, 0.95);
}

.btn--home:hover,
.btn--home:focus-visible {
  color: #120704;
  transform: translateY(-1px);
}

.btn--away {
  background-color: var(--away);
  color: #04080F;
}

.btn--away:hover,
.btn--away:focus-visible {
  background-color: #5EA2FF;
  color: #04080F;
}

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

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

/* ---------- 图片容器基础 ---------- */

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-soft);
  background-color: #0A1513;
  background-image:
    linear-gradient(140deg, #0B1F1C 0%, #070A0C 58%, #10222A 100%);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(49, 242, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49, 242, 214, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
}

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

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

/* ---------- 面包屑 ---------- */

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

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

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: rgba(201, 210, 207, 0.35);
}

.breadcrumbs a {
  color: var(--mist-72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

/* ---------- 长文 ---------- */

.prose {
  max-width: 72ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist-86);
}

.prose h2,
.prose h3,
.prose h4 {
  margin-top: 1.8em;
  color: var(--mist);
}

.prose h2:first-child,
.prose h3:first-child { margin-top: 0; }

.prose ul,
.prose ol { padding-left: 1.3em; }

.prose li { margin-bottom: 0.4em; }

.prose strong { color: var(--mist); font-weight: 700; }

.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--home);
  color: var(--mist-86);
}

.prose--light { color: #22302D; }
.prose--light h2,
.prose--light h3,
.prose--light h4,
.prose--light strong { color: #070A0C; }
.prose--light blockquote { border-left-color: var(--home); color: #22302D; }

/* ---------- 跳转链接 ---------- */

.skip-link {
  position: absolute;
  left: 16px;
  top: 8px;
  z-index: 200;
  padding: 10px 16px;
  background-color: var(--cyan);
  color: #04110F;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 180ms var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline-color: var(--mist);
}

/* ============================================================
   页头
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--mist);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--speed) var(--ease),
              border-color var(--speed) var(--ease),
              box-shadow var(--speed) var(--ease);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(180deg, rgba(7, 10, 12, 0.78), rgba(7, 10, 12, 0));
  transition: opacity var(--speed) var(--ease);
}

.site-header[data-scrolled="true"] {
  background-color: rgba(7, 10, 12, 0.94);
  border-bottom-color: var(--line-soft);
  box-shadow: 0 16px 36px -30px rgba(0, 0, 0, 0.95);
}

.site-header[data-scrolled="true"]::before { opacity: 0; }

.site-header__rail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  pointer-events: none;
  opacity: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(201, 210, 207, 0.42) 0 1px,
    transparent 1px 16px
  );
  background-position: left bottom;
  background-repeat: repeat-x;
  background-size: 100% 5px;
  transition: opacity var(--speed) var(--ease);
}

.site-header[data-scrolled="true"] .site-header__rail { opacity: 0.55; }

.header-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 14px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 2vw, 36px);
  min-height: 74px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible { color: inherit; }

.brand__mark {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background-image: linear-gradient(150deg, var(--home), var(--home-glow));
  color: #0A0705;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 74% 100%, 0 100%);
  box-shadow: 0 8px 20px -12px rgba(255, 77, 46, 0.95);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--mist);
}

.brand__line {
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.2;
  letter-spacing: 0.12em;
  color: var(--gray);
  white-space: nowrap;
}

/* 主导航 */
.primary-nav { justify-self: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.1vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 9px 6px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(243, 246, 245, 0.76);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 2px;
  height: 2px;
  background-image: linear-gradient(90deg, var(--home), var(--home-glow));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible { color: var(--mist); }

.nav-list a:hover::after,
.nav-list a:focus-visible::after,
.nav-list a[aria-current="page"]::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] {
  color: var(--mist);
  font-weight: 700;
}

/* 右侧工具 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
}

.header-tools__cta { padding: 10px 16px; font-size: 14.5px; }

/* 比分条 */
.score-strip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px 5px 10px;
  border: 1px solid var(--line-soft);
  background-image: linear-gradient(120deg, rgba(11, 31, 28, 0.92), rgba(7, 10, 12, 0.72));
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  white-space: nowrap;
}

.score-strip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(49, 242, 214, 0.16);
  animation: score-pulse 2.4s ease-in-out infinite;
}

@keyframes score-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.score-strip__label {
  color: var(--home);
  font-weight: 700;
  transition: color 200ms var(--ease);
}

.score-strip__score {
  color: var(--mist);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.score-strip__round {
  color: var(--gray);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

.score-strip__swap {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line-soft);
  background-color: transparent;
  color: var(--gray);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease),
              background-color 160ms var(--ease);
}

.score-strip__swap:hover,
.score-strip__swap:focus-visible {
  color: var(--mist);
  border-color: var(--cyan);
}

.score-strip[data-venue="away"] .score-strip__label { color: var(--away); }

.score-strip[data-venue="away"] .score-strip__dot {
  background-color: var(--away);
  box-shadow: 0 0 0 3px rgba(61, 139, 255, 0.18);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line-mid);
  background-color: rgba(11, 31, 28, 0.6);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible { border-color: var(--home); }

.nav-toggle__bars {
  display: grid;
  gap: 4px;
}

.nav-toggle__bars span {
  display: block;
  width: 16px;
  height: 2px;
  background-color: currentColor;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

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

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

/* ============================================================
   页脚
   ============================================================ */

.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 120px);
  overflow: hidden;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
  background-image:
    radial-gradient(120% 80% at 88% 0%, rgba(28, 63, 122, 0.38), transparent 62%),
    linear-gradient(180deg, #0B1F1C 0%, #070A0C 74%);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.75;
  background-image:
    linear-gradient(90deg, rgba(27, 42, 46, 0.6) 1px, transparent 1px),
    linear-gradient(180deg, rgba(27, 42, 46, 0.6) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
}

.footer-ruler {
  position: relative;
  z-index: 1;
  height: 22px;
  border-bottom: 1px solid var(--line-soft);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(201, 210, 207, 0.34) 0 1px,
    transparent 1px 32px
  );
  background-repeat: repeat-x;
  background-position: left bottom;
  background-size: 100% 8px;
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) clamp(32px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) minmax(180px, 0.8fr) minmax(280px, 1.1fr);
  gap: clamp(28px, 4vw, 64px);
}

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

.brand--footer .brand__name { font-size: 20px; }

.footer-tagline {
  margin: 20px 0 14px;
  max-width: 32ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-86);
}

.footer-note {
  max-width: 44ch;
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--gray);
}

.footer-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.footer-title::before {
  content: "";
  width: 18px;
  height: 1px;
  background-color: var(--cyan);
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.footer-list a {
  display: block;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--mist-72);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 210, 207, 0.08);
  transition: color 160ms var(--ease), padding-left 160ms var(--ease),
              border-color 160ms var(--ease);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--mist);
  padding-left: 6px;
  border-bottom-color: rgba(49, 242, 214, 0.45);
}

.footer-dl {
  margin: 0;
  display: grid;
  gap: 16px;
}

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

.footer-dl dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.footer-dl dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-86);
  overflow-wrap: anywhere;
}

.copy-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 0;
  border: 0;
  border-bottom: 1px dashed rgba(201, 210, 207, 0.35);
  background-color: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  text-align: left;
  overflow-wrap: anywhere;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.copy-btn:hover,
.copy-btn:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.copy-btn__hint {
  flex: 0 0 auto;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--gray);
  white-space: nowrap;
}

.copy-btn[data-copied="true"] { color: var(--cyan); }
.copy-btn[data-copied="true"] .copy-btn__hint { color: var(--cyan); }

.footer-base {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 18px var(--gutter) 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.footer-base p { margin: 0; }
.footer-base__legal { color: var(--mist-72); }
.footer-base__coords { color: rgba(139, 152, 148, 0.7); }

/* ============================================================
   滚动显现协议
   ============================================================ */

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

.has-js [data-reveal][data-reveal-visible="true"] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1200px) {
  .header-tools__cta { display: none; }
  .nav-list a { font-size: 14px; padding-inline: 4px; }
}

@media (max-width: 960px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: 66px;
    padding-block: 12px;
  }

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

  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 60;
    display: grid;
    grid-template-rows: 0fr;
    padding-inline: var(--gutter);
    opacity: 0;
    visibility: hidden;
    background-image: linear-gradient(180deg, rgba(11, 31, 28, 0.99), rgba(7, 10, 12, 0.99));
    border-top: 1px solid var(--line-soft);
    box-shadow: 0 30px 52px -36px rgba(0, 0, 0, 0.98);
    transition: grid-template-rows var(--speed) var(--ease),
                opacity var(--speed) var(--ease),
                visibility var(--speed) var(--ease);
  }

  .primary-nav > .nav-list {
    min-height: 0;
    overflow: hidden;
  }

  .site-header[data-open="true"] .primary-nav {
    grid-template-rows: 1fr;
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 6px;
  }

  .nav-list a {
    display: block;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(201, 210, 207, 0.1);
  }

  .nav-list a::after {
    left: 4px;
    right: auto;
    width: 28px;
    bottom: 8px;
  }

  .score-strip { display: none; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .site-header[data-open="true"] { background-color: rgba(7, 10, 12, 0.96); }
}

@media (max-width: 640px) {
  .brand__line { display: none; }
  .brand__mark { width: 32px; height: 32px; font-size: 15px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-base {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .footer-base__coords { display: none; }
}

@media (max-width: 420px) {
  .brand { gap: 9px; }
  .brand__name { font-size: 16px; }
  .nav-toggle { padding: 8px 10px; }
  .nav-toggle__label { display: none; }
}

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

  .score-strip__dot { animation: none; }

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