/* =========================================================
   site.css — 开云体育开户 / 友谊赛数据台
   夜场战术板：深墨绿底 · 荧光青强调 · 琥珀金警戒 · 等宽数字
   ========================================================= */

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

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

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

ul, ol { list-style: none; }

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  border-radius: 0;
}

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

table { border-collapse: collapse; width: 100%; }

/* ---------- tokens ---------- */
:root {
  --ink: #06170F;
  --panel: #0D2A1F;
  --panel-2: #153A2B;
  --cyan: #3DF0C4;
  --amber: #F2B33D;
  --orange: #D8492B;
  --cream: #F3E7D2;
  --brown: #2A1A12;
  --muted: #93A79B;
  --mist: #BFF3E5;

  --accent: var(--cyan);
  --accent-2: var(--amber);

  --line: rgba(147, 167, 155, 0.24);
  --line-strong: rgba(147, 167, 155, 0.44);
  --line-accent: rgba(61, 240, 196, 0.46);

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --header-h: 72px;
  --radius: 2px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 200ms;

  --font-display: "Oswald", "Arial Narrow", "Helvetica Neue Condensed",
    "Source Han Sans SC", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Source Han Sans SC", "Noto 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", "Courier New", monospace;
}

/* 模块化色相微移：页面阶段给 body 挂 class 即可区分模块气质 */
.accent-cyan { --accent: var(--cyan); --accent-2: var(--amber); }
.accent-amber { --accent: var(--amber); --accent-2: var(--cyan); }
.accent-clay { --accent: var(--orange); --accent-2: var(--amber); }

/* ---------- base ---------- */
body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--cream);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(147, 167, 155, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 167, 155, 0.05) 1px, transparent 1px),
    radial-gradient(1100px 560px at 84% -10%, rgba(61, 240, 196, 0.12), transparent 62%),
    radial-gradient(820px 460px at 2% 8%, rgba(242, 179, 61, 0.07), transparent 64%);
  background-size: 64px 64px, 64px 64px, 100% 100%, 100% 100%;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
}

body.is-nav-open { overflow: hidden; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  line-height: 1.08;
  color: var(--cream);
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 6.4vw, 76px); letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 4vw, 48px); letter-spacing: -0.005em; }
h3 { font-size: clamp(19px, 2.4vw, 28px); }
h4 { font-size: clamp(16px, 1.6vw, 20px); }

p + p { margin-top: 1em; }

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

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

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

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

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

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.hero { padding-top: calc(var(--header-h) + clamp(36px, 9vh, 96px)); }

.type-display {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(44px, 10vw, 132px);
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.type-h1 { font-family: var(--font-display); font-weight: 800; font-stretch: condensed; font-size: clamp(32px, 6vw, 68px); line-height: 1; }
.type-h2 { font-family: var(--font-display); font-weight: 800; font-stretch: condensed; font-size: clamp(24px, 4vw, 44px); line-height: 1.06; }
.type-h3 { font-family: var(--font-display); font-weight: 700; font-stretch: condensed; font-size: clamp(17px, 2.2vw, 24px); line-height: 1.2; }

.type-lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 18px);
  color: rgba(243, 231, 210, 0.82);
}

.type-index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.type-data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

.muted { color: var(--muted); }
.accent-text { color: var(--accent); }
.warn-text { color: var(--amber); }

.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;
}

.on-light {
  background: var(--cream);
  color: var(--brown);
}
.on-light h1, .on-light h2, .on-light h3, .on-light h4 { color: var(--brown); }
.on-light .type-index { color: rgba(42, 26, 18, 0.6); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

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

.btn--solid {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.btn--solid:hover {
  background: transparent;
  color: var(--cyan);
}

/* ---------- chips ---------- */
.chip,
.season-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.chip:hover,
.season-chip:hover { color: var(--cream); border-color: var(--line-accent); }

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

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

[data-tags].is-filtered-out { display: none; }

/* ---------- surfaces ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(16px, 2.4vw, 28px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

.panel--raised { background: var(--panel-2); }

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(14px, 1.8vw, 22px);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.card:hover {
  border-color: var(--line-accent);
  background: var(--panel-2);
  box-shadow: 0 0 0 1px rgba(61, 240, 196, 0.12);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tag--accent { border-color: var(--line-accent); color: var(--cyan); }
.tag--warn { border-color: rgba(242, 179, 61, 0.48); color: var(--amber); }

/* ---------- stats ---------- */
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.6vw, 56px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- grids ---------- */
.grid { display: grid; gap: clamp(14px, 2vw, 26px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--editorial { grid-template-columns: minmax(0, 1fr) minmax(0, 3fr) minmax(0, 1fr); }

/* ---------- axis rail ---------- */
.axis-rail {
  position: relative;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.axis-rail::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), transparent 78%);
}

.axis-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.axis-item[aria-current="true"] { color: var(--accent); }

/* ---------- media ---------- */
.media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--panel-2), var(--ink) 78%);
  border: 1px solid var(--line);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(61, 240, 196, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 240, 196, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--4x5 { aspect-ratio: 4 / 5; }

.media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.breadcrumb li { display: flex; align-items: center; gap: 10px; }
.breadcrumb li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumb a { color: var(--muted); transition: color var(--dur) var(--ease); }
.breadcrumb a:hover { color: var(--cyan); }

/* ---------- fold ---------- */
.fold {
  border: 1px solid var(--line);
  background: var(--panel);
}

.fold + .fold { margin-top: -1px; }

.fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--cream);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.fold summary::-webkit-details-marker { display: none; }
.fold summary:hover { color: var(--cyan); background: var(--panel-2); }
.fold summary::after { content: "+"; color: var(--cyan); font-size: 15px; line-height: 1; }
.fold[open] summary::after { content: "–"; }

.fold-body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  color: rgba(243, 231, 210, 0.78);
}

/* =========================================================
   头部
   ========================================================= */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 11px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus { transform: none; }

.site-header {
  --header-h: 72px;
  --page-progress: 0%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: linear-gradient(to bottom, rgba(6, 23, 15, 0.74), rgba(6, 23, 15, 0));
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: var(--page-progress);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  pointer-events: none;
  transition: width 120ms linear;
}

.site-header.is-scrolled {
  --header-h: 60px;
  background-color: rgba(6, 23, 15, 0.95);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.header-shell {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 32px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: var(--header-h);
  transition: min-height var(--dur) var(--ease);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 6px 0;
}

.brand-mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 240, 196, 0.18);
  animation: kaiyun-pulse 2.8s var(--ease) infinite;
}

@keyframes kaiyun-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(61, 240, 196, 0.2); }
  50% { box-shadow: 0 0 0 9px rgba(61, 240, 196, 0.04); }
}

.brand-text { display: flex; flex-direction: column; line-height: 1.06; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.26em;
  color: var(--muted);
}

/* 导航 */
.site-nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1.1vw, 16px);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 6px;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: rgba(243, 231, 210, 0.78);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 3px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover { color: var(--cyan); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--cyan); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

/* 右侧操作 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
}

.ios-entry { letter-spacing: 0.12em; }

.season-toggle::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--amber);
  box-shadow: 0 0 0 1px rgba(242, 179, 61, 0.35);
}

.nav-toggle { display: none; padding: 0 12px; }

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 17px;
  height: 12px;
}

.nav-toggle-bars i {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* 赛季抽屉 */
.season-drawer {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(9, 32, 23, 0.98);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-accent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.season-drawer[hidden] { display: none; }

.season-inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 18px var(--gutter) 22px;
}

.season-label {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.season-list { display: flex; flex-wrap: wrap; gap: 8px; }

.season-note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 42, 31, 0.55), rgba(6, 23, 15, 1));
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(34px, 5vw, 60px) var(--gutter) 26px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.footer-brand-note {
  margin-top: 10px;
  max-width: 30ch;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-meta {
  margin-top: 18px;
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-word;
}

.footer-meta-key {
  display: inline-block;
  min-width: 34px;
  margin-right: 8px;
  color: rgba(191, 243, 229, 0.7);
  letter-spacing: 0.1em;
}

.footer-col-title {
  padding-bottom: 9px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-links li + li { margin-top: 9px; }

.footer-links a {
  font-size: 13px;
  color: rgba(243, 231, 210, 0.72);
  transition: color var(--dur) var(--ease);
}

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

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 14px var(--gutter) 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.footer-base-note { color: var(--line-strong); }

/* =========================================================
   显现与计数
   ========================================================= */
html.js-on [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

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

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .grid--editorial { grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr); }
  .footer-shell { grid-template-columns: 1.4fr repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .site-header { --header-h: 62px; background-color: rgba(6, 23, 15, 0.9); }
  .site-header.is-scrolled { --header-h: 56px; }

  .brand-sub { display: none; }
  .ios-entry { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    flex: none;
    padding: 6px var(--gutter) 18px;
    background: rgba(6, 23, 15, 0.985);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line-accent);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
      visibility var(--dur) linear;
  }

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

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

  .nav-link {
    padding: 14px 2px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    letter-spacing: 0.08em;
    color: rgba(243, 231, 210, 0.86);
  }

  .nav-link::after { display: none; }

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

  .nav-link[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 10px;
    background: var(--cyan);
    vertical-align: 2px;
  }
}

@media (max-width: 720px) {
  .grid--editorial,
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .footer-shell { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-base { justify-content: flex-start; }

  .season-toggle-label { display: none; }
  .season-toggle { padding: 0 12px; }
}

@media (max-width: 420px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr); }
  .brand-name { font-size: 17px; }
}

/* =========================================================
   无障碍 / 降级
   ========================================================= */
@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;
  }

  .brand-mark { animation: none; }

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

  .site-header::after { transition: none; }
}