/* ============================================================
   乐游体育赛事 · 共享样式表 /assets/site.css
   设计逻辑：框架式导航成为页面边框，编辑部非对称网格，
   珠宝色分区交替，极细边界与克制的微交互。
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,picture,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--hair);margin:0}

/* ---------- 2. 变量 ---------- */
:root{
  --indigo-900:#0B1633;
  --indigo-800:#14224A;
  --indigo-700:#1E2E63;
  --cyan:#22E0D6;
  --cyan-ink:#0C6A66;
  --orange:#FF7A3D;
  --orange-ink:#A63C11;
  --teal:#0F3D3E;
  --wine:#5C1A33;
  --violet:#3B2A6B;
  --paper:#F2F5FB;
  --ink:#101828;
  --muted:#7C8AA5;
  --hair:#D7DEEA;
  --on-dark:#E9EEF9;
  --on-dark-muted:#93A3C2;
  --line-dark:rgba(124,138,165,.26);
  --line-cyan:rgba(34,224,214,.16);
  --rail-w:clamp(212px,17vw,268px);
  --top-h:52px;
  --gutter:clamp(20px,4vw,64px);
  --maxw:1240px;
  --shadow-1:0 10px 26px -20px rgba(11,22,51,.5);
  --shadow-2:0 22px 46px -26px rgba(11,22,51,.62);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 3. 中文排版基线 ---------- */
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--rail-w);
  padding-top:var(--top-h);
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
h1,h2,h3,h4,h5,h6{font-weight:900;line-height:1.14;letter-spacing:-.01em;color:inherit}
h1{font-size:clamp(34px,4.6vw,64px)}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:clamp(19px,1.7vw,24px)}
h4{font-size:18px}
p{color:inherit}
strong{font-weight:700}
main [id]{scroll-margin-top:calc(var(--top-h) + 28px)}
.mono,.num,input[type="text"],input[type="email"]{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--indigo-700);outline-offset:2px;border-radius:1px}
.site-header :focus-visible,.site-footer :focus-visible,.plate--deep :focus-visible,.plate--teal :focus-visible,.plate--wine :focus-visible,.plate--violet :focus-visible,.card--data :focus-visible{outline-color:var(--cyan)}
::selection{background:rgba(34,224,214,.28)}

/* ---------- 4. 页框：固定头部 ---------- */
.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 14px);z-index:120;
  padding:10px 18px;background:var(--cyan);color:#04211F;
  font-size:14px;font-weight:700;border-radius:2px;
  transform:translateY(-160%);transition:transform .18s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}
.site-header{position:fixed;inset:0;z-index:80;pointer-events:none}

/* 顶部细线横栏 */
.frame-top{
  pointer-events:auto;
  position:absolute;top:0;left:var(--rail-w);right:0;height:var(--top-h);
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  padding:0 clamp(14px,2.4vw,32px);
  background:var(--indigo-900);
  border-bottom:1px solid var(--line-cyan);
}
.frame-top__status{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 auto}
.frame-top__season{
  font-size:12.5px;letter-spacing:.06em;color:var(--on-dark-muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-family:var(--font-mono);
}
.sync-dot{
  flex:none;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(34,224,214,.16);
  animation:sync-pulse 3.2s var(--ease) infinite;
}
@keyframes sync-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(34,224,214,.16)}
  50%{box-shadow:0 0 0 6px rgba(34,224,214,.05)}
}
.frame-top__actions{display:flex;align-items:center;gap:14px;flex:none}
.frame-top__link{
  font-size:13.5px;color:var(--on-dark-muted);padding:6px 2px;
  border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease);
}
.frame-top__link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.frame-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;z-index:2;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  will-change:transform;
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  min-height:44px;padding:8px 14px;
  background:rgba(34,224,214,.07);border:1px solid rgba(34,224,214,.34);
  border-radius:2px;color:var(--cyan);cursor:pointer;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(34,224,214,.16);border-color:var(--cyan);color:#fff}
.nav-toggle__bars{width:16px;height:10px;flex:none;position:relative;display:block}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}

/* 竖向刊头 */
.rail{
  pointer-events:auto;
  position:absolute;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;gap:22px;
  padding:calc(var(--top-h) + 24px) 18px 22px;
  background:var(--indigo-900);
  border-right:1px solid var(--line-cyan);
  overflow-y:auto;overscroll-behavior:contain;
}
.rail::before{
  content:"";position:absolute;left:0;right:0;top:var(--top-h);height:1px;
  background:var(--line-cyan);pointer-events:none;
}
.rail__brand{display:flex;flex-direction:column;gap:8px;padding:0 4px 20px;border-bottom:1px solid var(--line-dark)}
.rail__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--cyan);border-radius:2px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;color:var(--cyan);
  background:rgba(34,224,214,.07);
}
.rail__brand-name{
  font-size:19px;font-weight:900;letter-spacing:.02em;color:#fff;line-height:1.3;
}
.rail__tagline{font-size:12.5px;line-height:1.6;color:var(--on-dark-muted);letter-spacing:.02em}
.rail__close{
  display:none;position:absolute;top:12px;right:12px;
  width:44px;height:44px;align-items:center;justify-content:center;
  background:none;border:1px solid var(--line-dark);border-radius:2px;
  color:var(--on-dark-muted);font-size:20px;line-height:1;cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.rail__close:hover{color:#fff;border-color:var(--cyan)}
.rail__nav{flex:0 0 auto}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-list__link{
  display:flex;align-items:center;gap:12px;
  min-height:44px;padding:9px 12px;
  border-left:2px solid transparent;border-radius:0 2px 2px 0;
  color:var(--on-dark-muted);font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-list__index{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--muted);min-width:2.3em;
  transition:color .18s var(--ease);
}
.nav-list__link:hover{color:#fff;background:rgba(34,224,214,.06);border-left-color:rgba(34,224,214,.5)}
.nav-list__link:hover .nav-list__index{color:var(--cyan)}
.nav-list__link[aria-current="page"]{
  color:#fff;font-weight:700;
  background:linear-gradient(90deg,rgba(34,224,214,.16),rgba(34,224,214,0));
  border-left-color:var(--cyan);
}
.nav-list__link[aria-current="page"] .nav-list__index{color:var(--cyan)}
.rail__panel{margin-top:auto;padding-top:20px;border-top:1px solid var(--line-dark)}
.rail__panel-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--muted);margin-bottom:12px;
}
.status-list{display:flex;flex-direction:column;gap:9px}
.status-list__row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:12.5px}
.status-list__key{color:var(--on-dark-muted)}
.status-list__val{color:var(--cyan);font-size:12px;letter-spacing:.06em;white-space:nowrap}

/* ---------- 5. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,7vw,120px);
  background:var(--indigo-900);
  color:var(--on-dark);
  border-top:1px solid var(--line-cyan);
}
.footer-stripe{display:grid;grid-template-columns:repeat(4,1fr);height:3px}
.footer-stripe span:nth-child(1){background:var(--teal)}
.footer-stripe span:nth-child(2){background:var(--violet)}
.footer-stripe span:nth-child(3){background:var(--wine)}
.footer-stripe span:nth-child(4){background:linear-gradient(90deg,var(--cyan),var(--orange))}
.footer-inner{
  width:100%;max-width:var(--maxw);margin:0 auto;
  padding:clamp(40px,5vw,76px) var(--gutter) clamp(28px,3vw,44px);
  display:grid;grid-template-columns:1.2fr 2.2fr 1.2fr;
  gap:clamp(28px,3.4vw,56px);
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand__mark{font-size:19px;font-weight:900;color:#fff;letter-spacing:.02em}
.footer-brand__line{font-size:13.5px;line-height:1.75;color:var(--on-dark-muted);max-width:30ch}
.footer-brand__domain{font-size:12px;color:var(--muted);letter-spacing:.08em}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.4vw,36px)}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.18em;color:var(--muted);margin-bottom:16px;
  padding-bottom:10px;border-bottom:1px solid var(--line-dark);
}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-flex;align-items:center;min-height:34px;padding:4px 0;
  font-size:14px;color:var(--on-dark-muted);letter-spacing:.01em;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover{color:var(--cyan);border-bottom-color:rgba(34,224,214,.5)}
.footer-contact__item{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;padding:5px 0;font-size:14px}
.footer-contact__key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--muted);
  min-width:2.6em;
}
.footer-contact__val{color:var(--on-dark);font-size:13.5px;line-height:1.6;word-break:break-all}
.copy-btn{
  min-height:30px;padding:2px 10px;background:none;cursor:pointer;
  border:1px solid var(--line-dark);border-radius:2px;
  font-size:11.5px;letter-spacing:.08em;color:var(--on-dark-muted);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.copy-btn:hover{color:var(--cyan);border-color:rgba(34,224,214,.5);background:rgba(34,224,214,.06)}
.copy-btn.is-done{color:#04211F;background:var(--cyan);border-color:var(--cyan)}
.footer-legal{
  width:100%;max-width:var(--maxw);margin:0 auto;
  padding:20px var(--gutter) 34px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
}
.footer-legal__note{font-size:12.5px;line-height:1.7;color:var(--muted);letter-spacing:.02em}

/* ---------- 6. 布局容器与网格 ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}
.stack{display:flex;flex-direction:column;gap:20px}

/* ---------- 7. 分区（珠宝色） ---------- */
.plate{padding:clamp(48px,7vw,112px) 0}
.plate--deep{background:var(--indigo-900);color:var(--on-dark)}
.plate--teal{background:var(--teal);color:var(--on-dark)}
.plate--wine{background:var(--wine);color:var(--on-dark)}
.plate--violet{background:var(--violet);color:var(--on-dark)}
.plate--mist{background:#E7EDF7}
.plate--paper{background:var(--paper)}
.plate--deep .section-head,.plate--teal .section-head,.plate--wine .section-head,.plate--violet .section-head{border-bottom-color:var(--line-dark)}
.plate--deep .section-head__note,.plate--teal .section-head__note,.plate--wine .section-head__note,.plate--violet .section-head__note{color:var(--on-dark-muted)}

/* ---------- 8. 通用排版件 ---------- */
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  color:var(--muted);text-transform:uppercase;
}
.plate--deep .eyebrow,.plate--teal .eyebrow,.plate--wine .eyebrow,.plate--violet .eyebrow{color:var(--cyan)}
.lede{font-size:clamp(17px,1.35vw,20px);line-height:1.75;color:#33415C;max-width:38ch}
.plate--deep .lede,.plate--teal .lede,.plate--wine .lede,.plate--violet .lede{color:var(--on-dark-muted)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  padding-bottom:16px;border-bottom:1px solid var(--hair);
  margin-bottom:clamp(24px,3vw,44px);
}
.section-head__title{font-size:clamp(23px,2.5vw,34px)}
.section-head__note{font-size:13px;letter-spacing:.02em;color:var(--muted);max-width:36ch;line-height:1.7}
.divider{height:1px;background:var(--hair);border:0;margin:0}
.prose{max-width:38em;font-size:17px;line-height:1.85;color:#22314D}
.plate--deep .prose,.plate--teal .prose,.plate--wine .prose,.plate--violet .prose{color:var(--on-dark)}
.prose p{margin:0 0 1.15em}
.prose h3{margin:1.8em 0 .6em;font-size:22px}
.prose ul{list-style:disc;padding-left:1.25em;margin:0 0 1.15em}
.prose li{margin:.35em 0}
.prose a{color:var(--indigo-700);border-bottom:1px solid var(--cyan);padding-bottom:1px;transition:color .18s var(--ease),border-color .18s var(--ease)}
.prose a:hover{color:var(--cyan-ink);border-bottom-color:var(--orange)}
.plate--deep .prose a,.plate--teal .prose a,.plate--wine .prose a,.plate--violet .prose a{color:var(--cyan);border-bottom-color:rgba(34,224,214,.45)}
.plate--deep .prose a:hover,.plate--teal .prose a:hover,.plate--wine .prose a:hover,.plate--violet .prose a:hover{color:#fff;border-bottom-color:var(--orange)}
blockquote{margin:0;padding-left:20px;border-left:2px solid var(--cyan);color:var(--muted)}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border:1px solid transparent;border-radius:2px;
  font-family:inherit;font-size:15px;font-weight:700;letter-spacing:.02em;
  cursor:pointer;background:none;text-align:center;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#26100A}
.btn--primary:hover{background:#FF9260;border-color:#FF9260;box-shadow:var(--shadow-1)}
.btn--ghost{background:rgba(34,224,214,.06);border-color:rgba(34,224,214,.4);color:var(--cyan)}
.btn--ghost:hover{background:rgba(34,224,214,.16);border-color:var(--cyan);color:#fff}
.btn--quiet{background:#fff;border-color:var(--hair);color:var(--ink)}
.btn--quiet:hover{border-color:var(--indigo-700);color:var(--indigo-700);box-shadow:var(--shadow-1)}
.btn--sm{min-height:36px;padding:6px 14px;font-size:13.5px}

/* ---------- 10. 卡片与数据件 ---------- */
.card{
  background:#fff;border:1px solid var(--hair);border-radius:2px;
  padding:clamp(18px,2vw,26px);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(30,46,99,.45);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card--data{background:var(--indigo-800);border-color:rgba(34,224,214,.24);color:var(--on-dark)}
.card--data:hover{border-color:rgba(34,224,214,.55);box-shadow:0 24px 48px -28px rgba(0,0,0,.75)}
.card__title{font-size:clamp(18px,1.6vw,22px);font-weight:900;margin-bottom:8px}
.card--data .card__title{color:#fff}
.card__meta{font-size:13px;letter-spacing:.02em;color:var(--muted)}
.card--data .card__meta{color:var(--on-dark-muted)}
.data-figure{
  font-family:var(--font-mono);font-size:clamp(26px,3vw,40px);font-weight:700;
  letter-spacing:.02em;line-height:1.1;color:var(--indigo-900);
}
.card--data .data-figure{color:var(--cyan)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;
  font-size:12px;letter-spacing:.04em;border:1px solid var(--hair);
  border-radius:999px;color:var(--muted);background:#fff;white-space:nowrap;
}
.tag--cyan{border-color:rgba(34,224,214,.45);background:rgba(34,224,214,.12);color:var(--cyan-ink)}
.tag--orange{border-color:rgba(255,122,61,.45);background:rgba(255,122,61,.12);color:var(--orange-ink)}
.tag--wine{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff}
.tag--violet{border-color:rgba(34,224,214,.4);background:rgba(34,224,214,.1);color:var(--cyan)}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--on-dark-muted);padding:5px 12px;
  border:1px solid var(--line-dark);border-radius:999px;
}

/* ---------- 11. 面包屑 / 章节侧标 ---------- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:6px}
.breadcrumbs__item+.breadcrumbs__item::before{content:"/";color:var(--hair)}
.breadcrumbs a:hover{color:var(--indigo-700)}
.plate--deep .breadcrumbs,.plate--teal .breadcrumbs,.plate--wine .breadcrumbs,.plate--violet .breadcrumbs{color:var(--on-dark-muted)}
.plate--deep .breadcrumbs__item+.breadcrumbs__item::before,.plate--teal .breadcrumbs__item+.breadcrumbs__item::before,.plate--wine .breadcrumbs__item+.breadcrumbs__item::before,.plate--violet .breadcrumbs__item+.breadcrumbs__item::before{color:var(--line-dark)}
.spy-link{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:6px 4px 6px 12px;
  border-left:2px solid transparent;
  font-size:14px;color:var(--muted);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.spy-link:hover{color:var(--ink);background:rgba(11,22,51,.03)}
.spy-link__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.spy-link.is-active{color:var(--indigo-900);font-weight:700;border-left-color:var(--cyan);background:rgba(34,224,214,.07)}
.spy-link.is-active .spy-link__num{color:var(--cyan-ink)}
.plate--deep .spy-link,.plate--teal .spy-link,.plate--wine .spy-link,.plate--violet .spy-link{color:var(--on-dark-muted)}
.plate--deep .spy-link.is-active,.plate--teal .spy-link.is-active,.plate--wine .spy-link.is-active,.plate--violet .spy-link.is-active{color:#fff;background:rgba(34,224,214,.1)}
.plate--deep .spy-link:hover,.plate--teal .spy-link:hover,.plate--wine .spy-link:hover,.plate--violet .spy-link:hover{color:#fff}

/* ---------- 12. 图片容器基础规则 ---------- */
.figure{
  position:relative;margin:0;overflow:hidden;border-radius:2px;
  background:var(--indigo-800);border:1px solid var(--hair);
}
.figure__img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.figure__caption{margin-top:10px;font-size:13px;line-height:1.7;letter-spacing:.02em;color:var(--muted)}
.figure--wide .figure__img{aspect-ratio:21/9}
.figure--tall .figure__img{aspect-ratio:3/4}
.figure--square .figure__img{aspect-ratio:1/1}
.figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,22,51,0) 45%,rgba(11,22,51,.45));
  opacity:.85;
}
.figure--flat::after{display:none}
.figure--dark{border-color:rgba(34,224,214,.2);background:var(--indigo-900)}
.figure--dark .figure__caption{color:var(--on-dark-muted)}
.figure__badge{
  position:absolute;left:12px;top:12px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  padding:4px 10px;border-radius:2px;
  background:rgba(11,22,51,.72);border:1px solid rgba(34,224,214,.36);color:var(--cyan);
}
.figure__badge--hot{background:rgba(255,122,61,.9);border-color:transparent;color:#26100A}

/* ---------- 13. 滚动淡入 ---------- */
.js [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1180px){
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-cols{grid-column:1 / -1}
}
@media (max-width:1023px){
  :root{--rail-w:0px}
  body{padding-left:0;padding-top:var(--top-h)}
  html.nav-open{overflow:hidden}
  .skip-link{left:14px}
  .frame-top{left:0;gap:12px;padding:0 14px}
  .nav-toggle{display:inline-flex}
  .frame-top__link{display:none}
  .rail{
    position:fixed;top:var(--top-h);left:0;bottom:0;width:min(86vw,352px);
    padding:22px 18px 24px;
    transform:translateX(-101%);
    transition:transform .26s var(--ease);
    box-shadow:26px 0 60px -34px rgba(0,0,0,.78);
    z-index:2;
  }
  .rail::before{display:none}
  .rail[data-open="true"]{transform:none}
  .rail__close{display:inline-flex}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:1 / -1}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:720px){
  body{font-size:16px}
  .footer-cols{grid-template-columns:1fr;gap:24px}
  .footer-legal{padding-bottom:28px}
  .frame-top__actions{display:none}
  .footer-inner{grid-template-columns:1fr}
}

/* ---------- 15. 降低动态效果 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .js [data-reveal]{opacity:1!important;transform:none!important}
  .frame-progress{transition:none}
}