/* ==========================================================================
   牛宝体育赛场 · 共享样式表  /assets/site.css
   框架式导航 + 珠宝色分区 + 斜切网格 + 可展开内容组
   ========================================================================== */

/* ---------------------------------------------------------------
   1. 设计令牌
   --------------------------------------------------------------- */
:root {
  /* 色彩 */
  --night:       #0E2F26;
  --night-deep:  #08211A;
  --mid:         #17453A;
  --turf:        #2A6B57;
  --clay:        #D2622E;
  --gold:        #F0A24B;
  --sky:         #4C8FB5;
  --wine:        #7A2B3A;
  --indigo:      #3B2F63;
  --paper:       #F3EFE6;
  --chalk:       #E8E2D5;
  --home:        #E07A2F;
  --away:        #B23A2E;
  --ink:         #14201C;
  --ink-soft:    #4A5A53;

  /* 语义 */
  --page-bg:     var(--night);
  --page-fg:     var(--paper);
  --line:        rgba(232, 226, 213, .16);
  --line-strong: rgba(232, 226, 213, .34);
  --accent:      var(--clay);

  /* 字体 */
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
               "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: var(--font-body);
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono",
               "Roboto Mono", Consolas, "Liberation Mono", Menlo, monospace;

  /* 尺规 */
  --track: clamp(14px, 2.2vw, 24px);
  --wrap: 1240px;
  --gap: clamp(16px, 2.2vw, 26px);
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --shadow: 0 14px 34px rgba(3, 14, 11, .38);
  --tilt: -2.5deg;
}

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, address {
  margin: 0;
}

ul[class], ol[class] { list-style: none; padding: 0; margin: 0; }

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

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

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

/* ---------------------------------------------------------------
   3. 基础排版与中文正文
   --------------------------------------------------------------- */
body {
  min-height: 100vh;
  background-color: var(--page-bg);
  background-image:
    radial-gradient(920px 520px at 88% -12%, rgba(210, 98, 46, .16), transparent 66%),
    radial-gradient(760px 460px at -12% 10%, rgba(76, 143, 181, .12), transparent 62%),
    linear-gradient(180deg, #0E2F26 0%, #0B271F 100%);
  color: var(--page-fg);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.02vw + 12px, 17px);
  font-weight: 450;
  line-height: 1.8;
  letter-spacing: .012em;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  font-stretch: 90%;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.5rem); letter-spacing: -.01em; }
h4 { font-size: 1.03rem; letter-spacing: 0; }

h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

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

a { color: var(--sky); text-decoration: none; }
a:hover { color: var(--gold); }

strong, b { font-weight: 800; }

::selection { background: var(--gold); color: #1E1408; }

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

#main-content { display: block; scroll-margin-top: 96px; }

/* ---------------------------------------------------------------
   4. 布局容器与网格
   --------------------------------------------------------------- */
.wrap {
  width: min(100% - (var(--track) * 2), var(--wrap));
  margin-inline: auto;
}

.section { padding-block: clamp(46px, 7vw, 96px); }
.section--tight { padding-block: clamp(28px, 4vw, 56px); }

.section--paper {
  background: linear-gradient(180deg, #F6F2EA 0%, var(--paper) 40%, #EBE5D9 100%);
  color: var(--ink);
}
.section--paper h1,
.section--paper h2,
.section--paper h3 { color: var(--ink); }
.section--paper a { color: #1F5A80; }
.section--paper a:hover { color: var(--clay); }
.section--paper .lede { color: var(--ink-soft); }
.section--paper .prose { color: var(--ink); }
.section--paper .prose blockquote { color: var(--ink-soft); }
.section--paper .num { color: var(--ink); }
.section--paper .divider { background: rgba(20, 32, 28, .14); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
  margin-block: clamp(24px, 4vw, 48px);
}

.divider--scale {
  height: 6px;
  background-color: transparent;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 16px);
}

/* ---------------------------------------------------------------
   5. 通用文本组件
   --------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  background: var(--clay);
}

.lede {
  max-width: 60ch;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  line-height: 1.75;
  color: rgba(243, 239, 230, .84);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
}

.prose {
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
}
.prose > * + * { margin-top: 1.05em; }
.prose h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-top: 1.8em; }
.prose h3 { margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--clay); }
.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--clay);
  color: rgba(243, 239, 230, .78);
}
.prose code {
  font-family: var(--font-mono);
  font-size: .9em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(240, 162, 75, .14);
  color: var(--gold);
}

/* ---------------------------------------------------------------
   6. 卡片 · 标签 · 媒体容器
   --------------------------------------------------------------- */
.card {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(23, 69, 58, .92) 0%, rgba(14, 47, 38, .97) 100%);
  box-shadow: var(--shadow);
}

.card--paper {
  background: linear-gradient(160deg, #F6F2EA, var(--paper));
  border-color: rgba(20, 32, 28, .12);
  color: var(--ink);
}
.card--paper h2, .card--paper h3 { color: var(--ink); }
.card--paper .prose { color: var(--ink); }
.card--paper .lede { color: var(--ink-soft); }

.card--tilt { transform: rotate(var(--tilt)); }
.card--tilt:hover { transform: rotate(var(--tilt)) translateY(-2px); }

.card {
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(240, 162, 75, .5);
  box-shadow: 0 18px 40px rgba(3, 14, 11, .46);
}
.card--tilt:hover {
  transform: rotate(var(--tilt)) translateY(-2px);
  border-color: rgba(240, 162, 75, .5);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(240, 162, 75, .35);
  border-radius: 9px;
  background: rgba(240, 162, 75, .13);
  color: var(--gold);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.6;
  white-space: nowrap;
}
.tag--sky    { border-color: rgba(76, 143, 181, .42); background: rgba(76, 143, 181, .16); color: #93C3DD; }
.tag--wine   { border-color: rgba(122, 43, 58, .62);  background: rgba(122, 43, 58, .3);   color: #EBAAB5; }
.tag--indigo { border-color: rgba(105, 88, 170, .52); background: rgba(59, 47, 99, .4);    color: #BCB1EA; }

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 90% at 22% 8%, rgba(42, 107, 87, .6), transparent 62%),
    linear-gradient(150deg, #0E2F26 0%, #17453A 100%);
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture { width: 100%; height: 100%; object-fit: cover; display: block; }

.media-frame--wide   { aspect-ratio: 21 / 9; }
.media-frame--tall   { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--paper {
  border-color: rgba(20, 32, 28, .14);
  background: linear-gradient(150deg, #EDE7DA 0%, #DCD4C2 100%);
}

.media-frame__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px 14px;
  font-size: .78rem;
  line-height: 1.6;
  color: rgba(243, 239, 230, .88);
  background: linear-gradient(180deg, rgba(8, 33, 26, 0), rgba(8, 33, 26, .86));
}

/* ---------------------------------------------------------------
   7. 按钮
   --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .7em 1.4em;
  border: 1.5px solid transparent;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gold);
  color: #1E1408;
  border-color: var(--gold);
}
.btn--primary:hover { background: #F8B76C; border-color: #F8B76C; color: #1E1408; }

.btn--ghost {
  background: rgba(243, 239, 230, .04);
  border-color: var(--line-strong);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn--sm { padding: .52em 1.02em; font-size: .84rem; border-radius: 12px; }

/* ---------------------------------------------------------------
   8. 面包屑
   --------------------------------------------------------------- */
.breadcrumb {
  font-size: .8rem;
  letter-spacing: .06em;
  color: rgba(243, 239, 230, .6);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li + li::before {
  content: "／";
  margin-right: 8px;
  color: rgba(240, 162, 75, .68);
}
.breadcrumb a {
  color: inherit;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.breadcrumb a:hover { color: var(--gold); border-bottom-color: rgba(240, 162, 75, .6); }
.section--paper .breadcrumb { color: var(--ink-soft); }

/* ---------------------------------------------------------------
   9. 跳转链接与滚动进度
   --------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--track);
  top: -120px;
  z-index: 300;
  padding: 11px 20px;
  border-radius: 0 0 14px 14px;
  background: var(--gold);
  color: #1E1408;
  font-size: .88rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 0; color: #1E1408; }

.scroll-rail {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
  background: rgba(232, 226, 213, .07);
}
.scroll-rail__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--turf) 0%, var(--gold) 55%, var(--clay) 100%);
}

/* ---------------------------------------------------------------
   10. 框架式导航（Header）
   --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  color: var(--paper);
  background: linear-gradient(180deg, #0B2A22 0%, #0E2F26 100%);
  border-bottom: 1px solid var(--line);
}

.header-ruler {
  height: 7px;
  background-image: repeating-linear-gradient(90deg, rgba(232, 226, 213, .3) 0 1px, transparent 1px 16px);
  border-bottom: 1px solid rgba(232, 226, 213, .08);
}

.header-frame {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  min-height: 68px;
  padding-block: 10px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 3px 0;
  color: var(--paper);
  text-decoration: none;
}
.brand:hover { color: var(--paper); }

.brand-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  border: 1.5px solid rgba(240, 162, 75, .38);
  background: linear-gradient(145deg, rgba(42, 107, 87, .6) 0%, rgba(14, 47, 38, .95) 100%);
}

.brand-copy { display: flex; flex-direction: column; line-height: 1.12; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 900;
  letter-spacing: -.01em;
}

.brand-tag {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  color: var(--gold);
}

/* 导航 */
.site-nav { min-width: 0; }

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 9px 13px;
  border-radius: 11px;
  color: rgba(243, 239, 230, .84);
  font-size: .93rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .18s ease, background-color .18s ease;
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 4px;
  height: 2px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .22s ease, background-color .22s ease;
}
.nav-list a:hover {
  color: var(--paper);
  background: rgba(42, 107, 87, .32);
}
.nav-list a:hover::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] {
  color: var(--gold);
  background: rgba(240, 162, 75, .1);
}
.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

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

.header-cta { white-space: nowrap; }

/* 移动端切换按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1.5px solid var(--line-strong);
  border-radius: 13px;
  background: rgba(42, 107, 87, .22);
  color: var(--paper);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold); }

.nav-toggle__bars { display: grid; gap: 4px; width: 16px; }
.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) 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(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------
   11. 页脚
   --------------------------------------------------------------- */
.site-footer {
  position: relative;
  color: var(--paper);
  background: linear-gradient(180deg, #123B31 0%, #0A231C 100%);
  border-top: 2px solid var(--clay);
}

.footer-ruler {
  height: 6px;
  background-image: repeating-linear-gradient(90deg, rgba(240, 162, 75, .3) 0 1px, transparent 1px 18px);
  border-bottom: 1px solid rgba(232, 226, 213, .08);
}

.footer-inner {
  width: min(100% - (var(--track) * 2), var(--wrap));
  margin-inline: auto;
  padding-block: clamp(40px, 6vw, 72px) 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(170px, .9fr) minmax(300px, 1.7fr) minmax(250px, 1.25fr);
  gap: clamp(26px, 4vw, 60px);
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 900;
  letter-spacing: -.01em;
}
.footer-brand__tag {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.footer-col__title {
  margin: 0 0 13px;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: rgba(243, 239, 230, .58);
}

.footer-list { display: grid; gap: 9px; }
.footer-list a {
  color: rgba(243, 239, 230, .88);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.footer-list a:hover { color: var(--gold); border-bottom-color: rgba(240, 162, 75, .6); }

.footer-address {
  font-style: normal;
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
}
.footer-address p {
  display: flex;
  gap: 10px;
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
}
.footer-address__k {
  flex: none;
  width: 36px;
  padding-top: 2px;
  font-size: .76rem;
  letter-spacing: .1em;
  color: rgba(240, 162, 75, .92);
}
.footer-address__v { color: rgba(243, 239, 230, .86); word-break: break-word; }

.footer-note {
  margin: 0;
  font-size: .79rem;
  line-height: 1.7;
  color: rgba(243, 239, 230, .55);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  font-size: .82rem;
  letter-spacing: .04em;
  color: rgba(243, 239, 230, .58);
}
.footer-base p { margin: 0; }
.footer-icp { font-family: var(--font-mono); }

/* ---------------------------------------------------------------
   12. 可展开内容组
   --------------------------------------------------------------- */
.disclosure {
  border-bottom: 1px solid var(--line);
}

.disclosure__btn {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 4px 18px 0;
  text-align: left;
  color: inherit;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .01em;
  cursor: pointer;
  transition: color .18s ease;
}
.disclosure__btn:hover { color: var(--gold); }
.disclosure__btn::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  margin-top: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .24s ease;
}
.disclosure[data-open] .disclosure__btn::after {
  transform: rotate(-135deg);
  margin-top: 12px;
}

.disclosure__panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  opacity: 0;
  transition: grid-template-rows .24s ease, opacity .24s ease, visibility 0s linear .24s;
}
.disclosure[data-open] .disclosure__panel {
  grid-template-rows: 1fr;
  visibility: visible;
  opacity: 1;
  transition: grid-template-rows .24s ease, opacity .24s ease, visibility 0s linear 0s;
}

.disclosure__body {
  overflow: hidden;
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: border-color .24s ease, padding-left .24s ease;
}
.disclosure[data-open] .disclosure__body {
  border-left-color: var(--clay);
  padding-left: 16px;
  padding-bottom: 18px;
}

.section--paper .disclosure { border-bottom-color: rgba(20, 32, 28, .14); }
.section--paper .disclosure__btn:hover { color: var(--clay); }

/* ---------------------------------------------------------------
   13. 入场显现
   --------------------------------------------------------------- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s cubic-bezier(.22, .7, .3, 1);
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------------------------------------------------------
   14. 响应式
   --------------------------------------------------------------- */
@media (max-width: 1180px) {
  .header-cta { padding: .55em 1.02em; font-size: .84rem; }
  .brand-tag { display: none; }
}

@media (max-width: 1080px) {
  .nav-list a { padding: 9px 10px; font-size: .88rem; }

  .footer-top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    row-gap: 36px;
  }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 959px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 95;
    display: block;
    width: min(86vw, 340px);
    padding: calc(var(--track) + 58px) 22px 40px;
    background: linear-gradient(165deg, #0E2F26 0%, #17453A 52%, #3B2F63 132%);
    border-right: 2px solid var(--clay);
    box-shadow: 18px 0 44px rgba(2, 10, 8, .55);
    transform: translateX(-104%);
    transition: transform .3s cubic-bezier(.3, .8, .3, 1);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .site-nav[data-open] { transform: translateX(0); }

  .nav-list { display: block; }
  .nav-list li + li { border-top: 1px solid rgba(232, 226, 213, .12); }
  .nav-list a {
    display: block;
    padding: 15px 6px;
    border-radius: 0;
    font-size: 1.02rem;
  }
  .nav-list a::after { display: none; }
  .nav-list a:hover { background: rgba(240, 162, 75, .08); }
  .nav-list a[aria-current="page"] {
    background: transparent;
    box-shadow: inset 3px 0 0 var(--gold);
    padding-left: 14px;
  }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .header-frame { min-height: 62px; }
}

@media (max-width: 560px) {
  .header-cta { padding: .5em .82em; font-size: .78rem; letter-spacing: .02em; }
  .nav-toggle { padding: 8px 11px; letter-spacing: .06em; }
  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .media-frame { border-radius: var(--r-md); }
}

@media (max-width: 420px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle__text { display: none; }
}

/* ---------------------------------------------------------------
   15. 降低动效
   --------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .scroll-rail { display: none; }
  .js-ready [data-reveal] { opacity: 1; transform: none; }
  .card--tilt { transform: none; }
  .card--tilt:hover { transform: translateY(-2px); }
  .nav-list a:hover::after { transform: scaleX(1); }
}