/* =========================================================
   万博赛场 · 共享样式 /assets/site.css
   reset → 变量 → 中文排版 → 头部 → 页脚 → 通用组件
   ========================================================= */

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

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

body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ---------- 变量 ---------- */
:root {
  --abyss: #0A1D18;
  --board: #14181A;
  --pine: #123029;
  --mossgray: #2A3B36;
  --orange: #FF6A2B;
  --cyan: #2BE0C8;
  --sand: #C8A96A;
  --mud: #3A1F12;
  --mist: #E8EDE9;
  --lime: #9AA6A0;

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-narrow: "PingFang SC", "HarmonyOS Sans SC", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, "Courier New", monospace;

  --r-xl: 32px;
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 10px;
  --r-pill: 999px;

  --pad-x: clamp(16px, 4vw, 48px);
  --maxw: 1320px;
  --header-h: 56px;

  --ease: cubic-bezier(.22, .7, .3, 1);
  --t-fast: 140ms;
  --t-mid: 200ms;
  --t-in: 320ms;
}

/* ---------- 基础排版 ---------- */
body {
  background-color: var(--abyss);
  background-image:
    radial-gradient(1100px 520px at 84% -14%, rgba(43, 224, 200, .07), transparent 62%),
    radial-gradient(900px 480px at 2% 4%, rgba(255, 106, 43, .07), transparent 60%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  min-height: 100vh;
}

#main-content { display: block; scroll-margin-top: 108px; }

p { max-width: 72ch; }

a { text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 排版工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.display {
  font-family: var(--font-narrow);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.04;
  color: var(--mist);
}
.display--xl { font-size: clamp(40px, 7vw, 96px); line-height: .98; }
.display--lg { font-size: clamp(32px, 5vw, 64px); }
.display--md { font-size: clamp(24px, 3.2vw, 44px); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}

.lede {
  font-size: clamp(16px, 1.25vw, 18px);
  line-height: 1.75;
  color: var(--lime);
  max-width: 68ch;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.annot {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--lime);
  text-transform: uppercase;
}

/* ---------- 章节 ---------- */
.section {
  border-top: 1px solid var(--mossgray);
  padding-block: clamp(48px, 7vw, 96px);
}

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  margin-bottom: clamp(24px, 4vw, 48px);
}

.section-head__num {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: .82;
  letter-spacing: -.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--mossgray);
}
@supports not (-webkit-text-stroke: 1px #000) {
  .section-head__num { color: var(--mossgray); }
}

/* ---------- 12 列网格 ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

/* ---------- 面板 ---------- */
.panel {
  position: relative;
  background: var(--board);
  border: 1px solid var(--mossgray);
  border-radius: var(--r-lg);
  padding: clamp(20px, 2.4vw, 32px);
}
.panel--pine { background: var(--pine); }
.panel--focus {
  background: linear-gradient(158deg, var(--pine) 0%, var(--abyss) 72%);
  border-color: rgba(255, 106, 43, .28);
}

/* ---------- 两版对照 ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: stretch;
  background: var(--board);
  border: 1px solid var(--mossgray);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.compare__divider { background: var(--mossgray); }
.compare__side { padding: clamp(16px, 2vw, 28px); }
.compare__tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.compare__side--a .compare__tag { background: var(--orange); color: #20100A; }
.compare__side--b .compare__tag { background: var(--cyan); color: #062B26; }

/* ---------- 数值单元 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1;
  color: var(--mist);
}
.stat__value--a { color: var(--orange); }
.stat__value--b { color: var(--cyan); }
.stat__unit { font-size: .45em; margin-left: 4px; color: var(--lime); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--solid { background: var(--orange); color: #20100A; }
.btn--solid:hover { background: #FF8347; }

.btn--ghost {
  background: transparent;
  color: var(--mist);
  border-color: var(--mossgray);
}
.btn--ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn--quiet {
  background: rgba(43, 224, 200, .08);
  color: var(--cyan);
  border-color: rgba(43, 224, 200, .35);
}
.btn--quiet:hover { background: rgba(43, 224, 200, .16); }

/* ---------- 分段控件 ---------- */
.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--board);
  border: 1px solid var(--mossgray);
  border-radius: var(--r-pill);
}
.segmented__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.segmented__btn:hover { color: var(--mist); }
.segmented__btn[aria-selected="true"],
.segmented__btn.is-active {
  background: var(--orange);
  color: #20100A;
  transform: translateY(-1px);
}
.segmented__count {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .75;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}
.breadcrumb a {
  color: var(--lime);
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.breadcrumb a:hover { color: var(--mist); border-bottom-color: var(--orange); }
.breadcrumb__sep { color: var(--mossgray); }

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--mossgray);
  border-radius: var(--r-lg);
  background: var(--pine);
}
.media-frame > img,
.media-frame > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--band { aspect-ratio: 24 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--ph {
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
  background-image:
    linear-gradient(rgba(154, 166, 160, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 166, 160, .13) 1px, transparent 1px);
  background-size: 36px 36px;
}
.media-frame__caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 6px 12px;
  border: 1px solid var(--mossgray);
  border-radius: var(--r-sm);
  background: rgba(10, 29, 24, .72);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--t-in) var(--ease), transform var(--t-in) var(--ease);
}
html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* =========================================================
   头部
   ========================================================= */
.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 200;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: #20100A;
  font-size: 14px;
  font-weight: 700;
  transition: top 180ms var(--ease);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--abyss);
}

.command-bar {
  position: relative;
  background: rgba(10, 29, 24, .94);
  border-bottom: 1px solid var(--mossgray);
}

.command-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 24px);
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  height: var(--header-h);
}

/* 品牌 */
.brand {
  order: 1;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mist);
}
.brand__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  background: var(--pine);
  border: 1px solid var(--mossgray);
  color: var(--mist);
  font-size: 15px;
  font-weight: 800;
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand__name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--lime);
}

/* 主导航 */
.primary-nav {
  order: 2;
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 11px;
  border-radius: var(--r-pill);
  color: var(--lime);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.nav-link__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--lime);
  opacity: .7;
  transition: color var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-link:hover {
  color: var(--mist);
  background: rgba(232, 237, 233, .06);
}
.nav-link[aria-current="page"] {
  color: var(--mist);
  background: rgba(255, 106, 43, .12);
}
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--orange);
}
.nav-link[aria-current="page"] .nav-link__index {
  color: var(--orange);
  opacity: 1;
}

/* 右侧工具区 */
.command-bar__utils {
  order: 4;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(43, 224, 200, .3);
  border-radius: var(--r-pill);
  background: rgba(43, 224, 200, .07);
  color: var(--cyan);
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  white-space: nowrap;
}
.status-chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: chip-pulse 2.4s var(--ease) infinite;
}
@keyframes chip-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.75); }
}

/* 移动导航按钮 */
.nav-toggle {
  order: 3;
  display: none;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--mossgray);
  border-radius: var(--r-pill);
  background: rgba(232, 237, 233, .06);
  color: var(--mist);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.nav-toggle:hover { border-color: var(--orange); }
.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 10px;
}
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--orange);
  transition: transform var(--t-mid) var(--ease);
}
.nav-toggle__bars span:first-child { top: 0; }
.nav-toggle__bars span:last-child { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
  opacity: .9;
}

/* 比分条 */
.scorebar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  padding-inline: var(--pad-x);
  background: var(--board);
  border-bottom: 1px solid var(--mossgray);
  overflow: hidden;
}
.scorebar__label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border-radius: var(--r-pill);
  background: var(--mud);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}
.scorebar__viewport {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
}
.scorebar__viewport::-webkit-scrollbar { display: none; }
.scorebar__viewport.is-dragging { cursor: grabbing; }
.scorebar__track {
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
}
.score-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--mossgray);
  border-radius: var(--r-pill);
  background: rgba(232, 237, 233, .04);
}
.score-item__round {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--sand);
}
.score-item__match {
  font-size: 12.5px;
  color: var(--mist);
  white-space: nowrap;
}
.score-item__pair {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 14px;
}
.score-item__num--a { color: var(--orange); }
.score-item__num--b { color: var(--cyan); }
.score-item__colon { font-size: 12px; color: var(--mossgray); }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 104px);
  background: var(--board);
  border-top: 1px solid var(--mossgray);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 169, 106, .6), transparent);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(200px, 1.3fr) repeat(3, minmax(112px, .7fr)) minmax(230px, 1.2fr);
  gap: clamp(20px, 3vw, 40px);
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(32px, 5vw, 64px) var(--pad-x) clamp(24px, 3vw, 40px);
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border: 1px solid var(--mossgray);
  border-radius: var(--r-sm);
  background: var(--pine);
  color: var(--mist);
  font-size: 16px;
  font-weight: 800;
}
.footer-brand__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--mist);
}
.footer-brand__sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--lime);
}
.footer-brand__note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 14px;
  color: var(--lime);
}

.footer-col__title,
.footer-contact__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--sand);
  text-transform: uppercase;
}
.footer-col__list,
.footer-contact__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}
.footer-col__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--lime);
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.footer-col__list a:hover {
  color: var(--mist);
  border-bottom-color: var(--orange);
}

.footer-contact__list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13.5px;
  color: var(--mist);
  word-break: break-word;
}
.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--lime);
}
.footer-contact__note {
  margin-top: 14px;
  max-width: 40ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--lime);
}

.footer-compare {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 12px var(--pad-x);
  border-top: 1px solid var(--mossgray);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}
.footer-compare__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-compare__key { color: var(--lime); }
.footer-compare__val {
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: var(--mud);
  color: var(--orange);
}
.footer-compare__val--ok {
  background: rgba(43, 224, 200, .1);
  color: var(--cyan);
}
.footer-compare__split {
  width: 1px;
  height: 16px;
  background: var(--mossgray);
}

.footer-legal {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 16px var(--pad-x) 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  justify-content: space-between;
  border-top: 1px solid var(--mossgray);
}
.footer-legal__line {
  font-size: 12.5px;
  color: var(--mist);
}
.footer-legal__line--muted { color: var(--lime); }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1200px) {
  .status-chip { display: none; }
}

@media (max-width: 1080px) {
  .command-bar__cta--secondary { display: none; }
}

@media (max-width: 1000px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .command-bar__utils { order: 4; }

  .primary-nav {
    order: 3;
    position: fixed;
    left: 0;
    right: 0;
    top: 96px;
    bottom: 0;
    display: block;
    justify-content: flex-start;
    padding: 20px var(--pad-x) 48px;
    overflow-y: auto;
    background: var(--abyss);
    border-top: 1px solid var(--mossgray);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 0s linear 180ms;
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 0s;
  }
  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav-link {
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: center;
    padding: 15px 18px;
    border: 1px solid var(--mossgray);
    border-radius: var(--r-md);
    background: var(--board);
    font-size: 17px;
    font-weight: 600;
  }
  .nav-link__index { font-size: 12px; }
  .nav-link[aria-current="page"] { border-color: rgba(255, 106, 43, .5); }
  .nav-link[aria-current="page"]::after { left: 18px; right: 18px; bottom: 5px; }

  html.nav-open,
  html.nav-open body { overflow: hidden; }
}

@media (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-contact__list li { flex-direction: row; align-items: baseline; gap: 10px; }
  .footer-contact__key { flex: 0 0 82px; }
}

@media (max-width: 820px) {
  .compare {
    grid-template-columns: 1fr;
  }
  .compare__divider {
    height: 1px;
    width: auto;
  }
}

@media (max-width: 620px) {
  .brand__sub { display: none; }
  .scorebar { gap: 8px; }
  .scorebar__label { display: none; }
  .grid-12 { gap: 10px; }
  .footer-legal { flex-direction: column; }
  .footer-compare__split { display: none; }
}

@media (max-width: 560px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}

/* ---------- 可访问性 & 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .btn:hover { transform: none; }
}