/* ==========================================================================
   德赢体育入口 · 共享样式表 /assets/site.css
   夜间球场母题：深墨绿底、荧光青柠高亮、暖橙数据标记、锐利直角与细线
   ========================================================================== */

:root {
  --midnight: #06170F;
  --pitch: #0B2118;
  --turf: #12362A;
  --moss: #1E5C43;
  --lime: #C6F24A;
  --orange: #FF8A3D;
  --clay: #B4693F;
  --bone: #E9E6DA;
  --stone: #A7B3A8;
  --chalk: #F4F9EC;

  --line: rgba(167, 179, 168, 0.24);
  --line-strong: rgba(167, 179, 168, 0.44);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --w-max: 1200px;
  --pad: clamp(20px, 5vw, 40px);
  --header-h: 62px;

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

@media (min-width: 961px) {
  :root { --header-h: 76px; }
}

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

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

body {
  margin: 0;
  background-color: var(--pitch);
  background-image:
    linear-gradient(180deg, rgba(6, 23, 15, 0.9) 0%, rgba(11, 33, 24, 0) 22%, rgba(11, 33, 24, 0) 78%, rgba(6, 23, 15, 0.75) 100%);
  color: var(--bone);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; }
img { border: 0; }

button { font: inherit; color: inherit; }

a { color: inherit; }

::selection {
  background: var(--lime);
  color: var(--midnight);
}

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

.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;
}

/* ---------- 中文排版 ---------- */
h1, h2, h3 {
  margin: 0;
  color: var(--chalk);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(32px, 6vw, 88px); line-height: 1.06; }
h2 { font-size: clamp(24px, 3.2vw, 38px); line-height: 1.2; }
h3 { font-size: clamp(18px, 2vw, 22px); line-height: 1.35; }

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

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

.display {
  margin: 0;
  font-size: clamp(32px, 6.2vw, 88px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--chalk);
  text-wrap: balance;
}

.display--sm {
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.12;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

.lede {
  margin: 0;
  max-width: 58ch;
  color: var(--stone);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
}

.note {
  margin: 0;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.7;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0;
}

.unit {
  margin-left: 3px;
  font-family: var(--font-sans);
  font-size: 0.72em;
  font-weight: 500;
  color: var(--stone);
}

.rule {
  height: 1px;
  margin: clamp(28px, 4vw, 48px) 0;
  border: 0;
  background: var(--line);
}

.hatch {
  background-image: repeating-linear-gradient(135deg, transparent 0 7px, rgba(167, 179, 168, 0.14) 7px 8px);
}

/* ---------- 布局 ---------- */
.container {
  width: min(100% - (var(--pad) * 2), var(--w-max));
  margin-inline: auto;
}

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 5vw, 64px); }

.main-offset { padding-top: var(--header-h); }

#main-content { scroll-margin-top: calc(var(--header-h) + 16px); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.col-4 { grid-column: span 4; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

@media (max-width: 820px) {
  .grid--12,
  .grid--asym,
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
  .col-4, .col-8, .col-12 { grid-column: auto; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--midnight);
}

.btn--primary:hover {
  background: var(--chalk);
  border-color: var(--chalk);
}

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

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

.btn__arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

/* ---------- 面包屑 ---------- */
.breadcrumb { padding-block: 18px; }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--stone);
  font-size: 13px;
}

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

.breadcrumb-list li + li::before {
  content: "/";
  color: var(--clay);
  font-family: var(--font-mono);
}

.breadcrumb-list a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.breadcrumb-list a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.breadcrumb-current {
  color: var(--bone);
  font-weight: 700;
}

/* ---------- 图像容器（页面阶段放占位或内联 SVG） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--turf);
  background-image:
    linear-gradient(120deg, rgba(30, 92, 67, 0.55) 0%, rgba(6, 23, 15, 0.9) 68%),
    repeating-linear-gradient(90deg, transparent 0 7px, rgba(233, 230, 218, 0.06) 7px 8px);
  border: 1px solid var(--line);
}

.media img,
.media svg,
.media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(233, 230, 218, 0.08);
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }

.media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 9px 14px;
  background: rgba(6, 23, 15, 0.84);
  color: var(--stone);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

/* ---------- 面板与卡片 ---------- */
.panel {
  background: var(--turf);
  border: 1px solid var(--line);
  padding: clamp(18px, 2.6vw, 28px);
}

.card {
  position: relative;
  background: var(--turf);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.8vw, 30px);
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.card-index {
  display: block;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.card-title {
  margin: 8px 0 10px;
  color: var(--chalk);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.card-note {
  margin: 0 0 16px;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.7;
}

.card-data {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.card-data div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.card-data dt {
  color: var(--stone);
  font-size: 13.5px;
}

.card-data dd {
  margin: 0;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  color: var(--stone);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

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

.tag--pick {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--midnight);
}

/* ---------- 分段控件（data-tabs 驱动） ---------- */
.segmented { display: block; }

.segmented-track {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}

.segmented-btn {
  appearance: none;
  padding: 11px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 0;
  color: var(--stone);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.segmented-btn:hover {
  color: var(--chalk);
  background: rgba(167, 179, 168, 0.08);
}

.segmented-btn[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--midnight);
}

.tab-panel {
  display: block;
  padding-top: clamp(20px, 3vw, 32px);
}

.tab-panel[hidden] { display: none; }

.tab-panel:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

/* ---------- 手风琴（原生 details） ---------- */
.acc { border-top: 1px solid var(--line); }

.acc-item { border-bottom: 1px solid var(--line); }

.acc-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  color: var(--bone);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  list-style: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.acc-item summary::-webkit-details-marker { display: none; }

.acc-item summary:hover { color: var(--lime); }

.acc-item summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  transition: transform var(--dur) var(--ease);
}

.acc-item[open] summary::after { transform: rotate(45deg); }

.acc-body {
  padding: 0 4px 20px;
  color: var(--stone);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ==========================================================================
   头部
   ========================================================================== */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--lime);
  color: var(--midnight);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 80;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] {
  background: var(--pitch);
  border-bottom-color: var(--line);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 120ms linear;
  will-change: transform;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 36px);
  width: min(100% - (var(--pad) * 2), var(--w-max));
  min-height: var(--header-h);
  margin-inline: auto;
}

/* 品牌锁定 */
.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--chalk);
}

.brand-mark {
  width: 20px;
  height: 24px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 30%, 32% 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] .brand-mark { background: var(--stone); }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.brand-name-en {
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.brand-tag {
  margin-top: 3px;
  color: var(--stone);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  margin-inline-start: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 9px 10px 11px;
  color: var(--stone);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.nav-link::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--lime);
  transform: translateY(-50%);
  transition: height var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-link:hover { color: var(--chalk); }
.nav-link:hover::before { height: 12px; }

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

.nav-link[aria-current="page"]::before { height: 18px; }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--lime);
  border: 1px solid var(--lime);
  color: var(--midnight);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.header-cta::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.header-cta:hover {
  transform: translateY(-2px);
  background: var(--chalk);
  border-color: var(--chalk);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-inline-start: auto;
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--chalk);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 10px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}

.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);
}

.nav-toggle-label { display: inline-block; }

/* 移动端：底部磁贴抽屉 */
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    right: var(--pad);
    bottom: 16px;
    left: var(--pad);
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-inline-start: 0;
    padding: 14px;
    background: rgba(6, 23, 15, 0.97);
    border: 1px solid var(--line-strong);
    box-shadow: 0 -18px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .nav-link {
    justify-content: flex-start;
    padding: 14px 12px;
    background: var(--turf);
    border: 1px solid var(--line);
    color: var(--bone);
    font-size: 15px;
    font-weight: 700;
  }

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

  .nav-link[aria-current="page"] {
    background: var(--lime);
    border-color: var(--lime);
    color: var(--midnight);
  }

  .header-cta {
    justify-content: center;
    padding: 14px 12px;
    font-size: 15px;
  }
}

@media (max-width: 380px) {
  .nav-list { grid-template-columns: minmax(0, 1fr); }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  padding-block: clamp(48px, 7vw, 80px) 0;
  background: var(--midnight);
  border-top: 1px solid var(--line);
  color: var(--bone);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(80px, 18vw, 220px);
  height: 3px;
  background: var(--lime);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 4vw, 44px);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}

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

.footer-lockup {
  display: flex;
  align-items: center;
  margin: 0 0 14px;
  color: var(--chalk);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.footer-mark {
  display: inline-block;
  width: 12px;
  height: 15px;
  margin-right: 9px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 28%, 30% 100%, 0 100%);
}

.footer-lockup-en {
  margin-left: 8px;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.footer-line {
  margin: 0;
  max-width: 32ch;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.75;
}

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

.footer-title {
  margin: 0 0 16px;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  color: var(--bone);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.footer-link::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--lime);
  transition: width var(--dur) var(--ease);
}

.footer-link:hover { color: var(--lime); }
.footer-link:hover::before { width: 12px; }

.footer-stats {
  display: grid;
  gap: 12px;
  margin: 0;
}

.footer-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.footer-stat dt {
  color: var(--stone);
  font-size: 13.5px;
}

.footer-stat dd {
  margin: 0;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.footer-contact li {
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  word-break: break-word;
}

.footer-contact li:last-child {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--clay);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(32px, 5vw, 56px);
  padding-block: 20px 24px;
  border-top: 1px solid var(--line);
  color: var(--stone);
  font-size: 13px;
}

.footer-copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer-legal a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ==========================================================================
   动效降级
   ========================================================================== */
@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;
  }

  .scroll-progress { transition: none; }
  .btn:hover,
  .card:hover,
  .header-cta:hover { transform: none; }
}