/* ============================================================
   欧宝体育 · 共享样式 /assets/site.css
   结构：reset → 变量 → 中文排版 → 通用组件 → 页头 → 页脚 → 响应式
   ============================================================ */

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

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

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,p,figure,blockquote,dl,dd{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
img,svg,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
table{ border-collapse:collapse; }

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

/* ---------- 变量 ---------- */
:root{
  --blue-900:#061829;
  --blue-800:#0B2545;
  --blue-600:#1D4E89;
  --orange:#FF6B1A;
  --orange-300:#FFA35C;
  --green:#16A34A;
  --red:#E11D48;
  --mist:#F4F6FA;
  --paper:#FFFFFF;
  --ink:#151A22;
  --gray:#5B6B85;
  --line:#D9E1EC;
  --shadow-1:0 2px 12px rgba(11,37,69,.08);
  --shadow-2:0 10px 26px rgba(11,37,69,.16);
  --radius-s:4px;
  --radius-m:10px;
  --wrap:1280px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 中文排版 ---------- */
.display{
  font-family:var(--font-display);
  font-size:clamp(56px,9vw,120px);
  font-weight:900;
  line-height:.98;
  letter-spacing:-.02em;
}
.h2{
  font-family:var(--font-display);
  font-size:clamp(28px,3.4vw,44px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:0;
  color:var(--blue-800);
}
.h3{
  font-family:var(--font-display);
  font-size:clamp(20px,2vw,26px);
  font-weight:700;
  line-height:1.3;
  color:var(--blue-800);
}
.h4{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  color:var(--blue-800);
}
.lede{
  font-size:clamp(18px,1.6vw,21px);
  line-height:1.7;
  color:var(--gray);
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  line-height:1.4;
  text-transform:uppercase;
  color:var(--gray);
}
.mono{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  line-height:1.6;
  font-variant-numeric:tabular-nums;
}
.num{
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:500;
  font-variant-numeric:tabular-nums;
}
.visually-hidden{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- 布局 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{
  position:relative;
  padding-block:clamp(48px,7vw,96px);
}
.section-head{
  display:flex;
  align-items:baseline;
  gap:16px;
  flex-wrap:wrap;
  padding-bottom:14px;
  margin-bottom:clamp(20px,3vw,36px);
  border-bottom:1px solid var(--line);
}
.section-index{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.16em;
  font-variant-numeric:tabular-nums;
  color:var(--orange);
}
.tick-rule{
  height:11px;
  border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 12px);
  background-repeat:repeat-x;
  background-position:bottom left;
}
.grid{
  display:grid;
  gap:var(--gutter);
}
.grid--7-5{ grid-template-columns:7fr 5fr; }
.grid--8-4{ grid-template-columns:2fr 1fr; }
.grid--5-7{ grid-template-columns:5fr 7fr; }
.grid--4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
.grid--3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid--2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.stack-panels{
  display:grid;
  gap:clamp(16px,2.4vw,28px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  border:1px solid transparent;
  border-radius:var(--radius-s);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),box-shadow .18s var(--ease),
             transform .18s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--orange),var(--orange-300));
  color:#fff;
  box-shadow:0 6px 16px rgba(255,107,26,.32);
}
.btn--primary:hover{
  background:linear-gradient(135deg,#FF7D33,#FFB077);
  transform:translateY(-2px);
}
.btn--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--blue-800);
}
.btn--ghost:hover{
  border-color:var(--orange);
  color:var(--orange);
}
.btn--dark{
  background:var(--blue-800);
  color:#fff;
}
.btn--dark:hover{ background:var(--blue-600); }
.btn--sm{
  padding:9px 14px;
  font-size:14px;
}

/* ---------- 面板 ---------- */
.panel{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  padding:clamp(20px,3vw,36px);
  transition:border-color .2s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.panel:hover{
  border-color:var(--orange);
  box-shadow:0 0 0 1px var(--orange),var(--shadow-2);
}
.panel--dark{
  background:linear-gradient(135deg,var(--blue-800),var(--blue-900));
  border-color:rgba(217,225,236,.18);
  color:rgba(255,255,255,.86);
}
.panel--dark .h2,
.panel--dark .h3,
.panel--dark .h4{ color:#fff; }
.panel--dark .lede{ color:rgba(255,255,255,.7); }
.panel--flush{ padding:0; overflow:hidden; }
.panel--shift-r{ margin-left:clamp(0px,6vw,96px); }
.panel--shift-l{ margin-right:clamp(0px,4vw,72px); }

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  background:rgba(29,78,137,.08);
  color:var(--blue-600);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tag--confirmed{
  background:rgba(22,163,74,.12);
  border-color:rgba(22,163,74,.35);
  color:#0F7A38;
}
.tag--rumor{
  background:rgba(225,29,72,.10);
  border-color:rgba(225,29,72,.32);
  color:#B3123B;
}
.tag--orange{
  background:rgba(255,107,26,.12);
  border-color:rgba(255,107,26,.32);
  color:#C24C09;
}
.tag--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--gray);
}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:var(--paper);
}
.data-table{
  width:100%;
  min-width:560px;
  font-size:15px;
  background:var(--paper);
}
.data-table caption{
  padding:0 0 10px;
  text-align:left;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gray);
}
.data-table th{
  padding:10px 14px;
  background:var(--blue-600);
  color:#fff;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  text-align:left;
  white-space:nowrap;
}
.data-table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  transition:box-shadow .18s var(--ease);
}
.data-table tbody tr:nth-child(even){ background:#FAFBFD; }
.data-table tbody tr:hover{ background:#FFF6EF; }
.data-table tbody tr:hover td:first-child{ box-shadow:inset 3px 0 0 var(--orange); }
.data-table tbody tr:last-child td{ border-bottom:0; }

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:22px;
  border-left:1px solid var(--line);
}
.timeline-item{
  position:relative;
  padding:0 0 22px 4px;
}
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:"";
  position:absolute;
  left:-27px;
  top:9px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--paper);
  border:2px solid var(--blue-600);
}
.timeline-item--now::before{
  border-color:var(--orange);
  background:var(--orange);
  box-shadow:0 0 0 3px rgba(255,107,26,.16);
}
.timeline-time{
  display:block;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  color:var(--gray);
}

/* ---------- 提示与证据边界 ---------- */
.callout{
  padding:16px 20px;
  border:1px solid var(--line);
  border-left:3px solid var(--orange);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  background:var(--paper);
  font-size:15px;
  line-height:1.75;
  color:var(--gray);
}
.callout--data{ border-left-color:var(--green); }

/* ---------- 术语 tooltip ---------- */
.term{
  position:relative;
  color:var(--blue-600);
  border-bottom:1px dashed rgba(29,78,137,.5);
  cursor:help;
}
.term::after{
  content:attr(data-term);
  position:absolute;
  left:0;
  bottom:calc(100% + 8px);
  z-index:30;
  min-width:180px;
  max-width:280px;
  padding:10px 12px;
  border-radius:var(--radius-s);
  background:var(--blue-900);
  color:#fff;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:400;
  letter-spacing:0;
  line-height:1.6;
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(4px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s linear;
}
.term:hover::after,
.term:focus-visible::after{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* ---------- 标签页 ---------- */
.tabs{ display:block; }
.tablist{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.tab{
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--gray);
  background:transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tab:hover{
  border-color:var(--orange);
  color:var(--orange);
}
.tab[aria-selected="true"]{
  background:var(--blue-800);
  border-color:var(--blue-800);
  color:#fff;
}
.tab-panel{ padding-top:18px; }
.tab-panel[hidden]{ display:none; }

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:linear-gradient(135deg,var(--blue-600),var(--blue-900));
  aspect-ratio:16 / 9;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{ aspect-ratio:21 / 9; }
.media-frame--tall{ aspect-ratio:3 / 4; }
.media-frame--square{ aspect-ratio:1 / 1; }
.media-grid{
  display:grid;
  gap:var(--gutter);
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding-block:14px;
  font-size:13px;
  color:var(--gray);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb li + li::before{
  content:"/";
  color:var(--line);
}
.breadcrumb a{
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.breadcrumb a:hover{
  color:var(--orange);
  border-color:var(--orange);
}
.breadcrumb [aria-current="page"]{
  color:var(--ink);
  font-weight:600;
}

/* ---------- 正文容器 ---------- */
.prose{
  max-width:72ch;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
}
.prose > * + *{ margin-top:1.1em; }
.prose h3{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:700;
  line-height:1.35;
  color:var(--blue-800);
}
.prose ul li{
  position:relative;
  padding-left:18px;
}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.9em;
  width:7px;
  height:2px;
  background:var(--orange);
}
.prose a{
  color:var(--blue-600);
  border-bottom:1px solid rgba(29,78,137,.35);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.prose a:hover{
  color:var(--orange);
  border-color:var(--orange);
}
.prose blockquote{
  padding-left:16px;
  border-left:3px solid var(--orange);
  color:var(--gray);
}

/* ---------- 页头 ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-64px;
  z-index:200;
  padding:10px 16px;
  border-radius:var(--radius-s);
  background:var(--orange);
  color:#fff;
  font-size:14px;
  font-weight:700;
  transition:top .18s var(--ease);
}
.skip-link:focus{ top:12px; }

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(135deg,var(--blue-800) 0%,var(--blue-900) 100%);
  color:#fff;
  box-shadow:0 1px 0 rgba(217,225,236,.16),0 6px 24px rgba(6,24,41,.18);
}

.header-strip{
  max-height:64px;
  overflow:hidden;
  background:rgba(6,24,41,.55);
  border-bottom:1px solid rgba(217,225,236,.16);
  transition:max-height .28s var(--ease),opacity .2s linear,padding .28s var(--ease),border-color .2s linear;
}
.strip-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:40px;
  padding-block:6px;
}
.brand-sign{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  transition:color .22s var(--ease);
}
.brand-name{ color:#fff; }
.brand-divider{ color:var(--orange); }
.brand-motto{
  color:rgba(255,255,255,.68);
  font-weight:600;
}
.brand-sign:hover .brand-motto{ color:var(--orange-300); }
.strip-rule{
  flex:1 1 auto;
  height:1px;
  background-image:repeating-linear-gradient(90deg,rgba(217,225,236,.5) 0 8px,transparent 8px 16px);
  background-repeat:repeat-x;
}
.strip-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:12px;
  color:rgba(255,255,255,.72);
}
.strip-sep{ color:var(--orange); }
.strip-phone{
  color:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.strip-phone:hover{
  color:var(--orange-300);
  border-color:var(--orange);
}

.header-main{
  border-top:1px solid rgba(217,225,236,.10);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
}
.site-nav{ flex:1 1 auto; }
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  flex-wrap:wrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.80);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.nav-link:hover{ color:#fff; }
.nav-link:hover::after{ transform:scaleX(1); }
.nav-link[aria-current="page"]{ color:#fff; }
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--orange-300);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.subscribe-cta{ white-space:nowrap; }

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border:1px solid rgba(217,225,236,.35);
  border-radius:var(--radius-s);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{
  border-color:var(--orange);
  background:rgba(255,107,26,.12);
}
.nav-toggle-bars{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:16px;
}
.nav-toggle-bars span{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .2s linear;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}
.nav-toggle-text{ letter-spacing:.06em; }

.scroll-progress{
  display:block;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--orange),var(--orange-300));
  transform:scaleX(var(--progress,0));
  transform-origin:left center;
}
.float-subscribe{ display:none; }

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  border-top:3px solid var(--orange);
  background:linear-gradient(160deg,var(--blue-800),var(--blue-900));
  color:rgba(255,255,255,.78);
}
.footer-inner{ padding-block:clamp(36px,5vw,64px); }
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(20px,3vw,40px);
}
.footer-col{ min-width:0; }
.footer-brand{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:.01em;
}
.footer-brand-mark{
  font-size:14px;
  font-weight:600;
  color:var(--orange-300);
}
.footer-copy{
  max-width:34ch;
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
}
.footer-copy--small{
  margin:0;
  font-size:13px;
  max-width:none;
}
.footer-stats{
  margin-top:12px;
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.footer-title{
  margin-bottom:14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orange-300);
}
.footer-list{
  display:grid;
  gap:9px;
}
.footer-link{
  font-size:14px;
  color:rgba(255,255,255,.74);
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.footer-link:hover{
  color:#fff;
  border-color:var(--orange);
}
.footer-link--mono{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:clamp(24px,3vw,36px);
  padding-top:20px;
  border-top:1px solid rgba(217,225,236,.18);
  font-size:14px;
}
.footer-sep{ color:var(--orange); }
.footer-addr{ color:rgba(255,255,255,.66); }
.footer-icp{
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid rgba(217,225,236,.12);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .grid--7-5,
  .grid--5-7{ grid-template-columns:6fr 6fr; }
}

@media (max-width:980px){
  .grid--7-5,
  .grid--8-4,
  .grid--5-7,
  .grid--4,
  .grid--3{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .panel--shift-r,
  .panel--shift-l{ margin-inline:0; }
}

@media (max-width:880px){
  .header-inner{ min-height:58px; gap:12px; }
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    flex:none;
    max-height:0;
    overflow:hidden;
    background:linear-gradient(180deg,var(--blue-800),var(--blue-900));
    border-top:1px solid rgba(217,225,236,.16);
    box-shadow:var(--shadow-2);
    transition:max-height .3s var(--ease);
  }
  .site-nav[data-open]{
    max-height:min(70vh,540px);
    overflow-y:auto;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-link{
    display:block;
    padding:14px 16px;
    font-size:16px;
    border-bottom:1px solid rgba(217,225,236,.12);
  }
  .nav-link::after{
    left:0;
    right:auto;
    top:0;
    bottom:0;
    width:3px;
    height:auto;
    transform:scaleY(0);
    transform-origin:top center;
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after{ transform:scaleY(1); }
  .nav-toggle{ display:inline-flex; }
}

@media (max-width:720px){
  :root{ --gutter:18px; }
  body{ font-size:16px; }
  .strip-rule,
  .strip-meta{ display:none; }
  .strip-inner{ min-height:34px; }
  .subscribe-cta{ display:none; }
  .float-subscribe{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    position:fixed;
    right:16px;
    bottom:16px;
    z-index:90;
    padding:12px 18px;
    border-radius:999px;
    background:linear-gradient(135deg,var(--orange),var(--orange-300));
    color:#fff;
    font-size:14px;
    font-weight:700;
    box-shadow:0 8px 22px rgba(255,107,26,.38);
    transition:transform .18s var(--ease),box-shadow .18s var(--ease);
  }
  .float-subscribe:active{ transform:translateY(1px); }
  .data-table{ min-width:520px; }
}

@media (max-width:640px){
  .grid--2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .media-frame--wide{ aspect-ratio:16 / 9; }
  .footer-bottom{ flex-direction:column; }
}

/* 视口足够高时展开上条品牌栏的折叠过渡 */
@media (min-width:721px){
  .site-header.is-condensed .header-strip{
    max-height:0;
    opacity:0;
    padding-block:0;
    border-color:transparent;
  }
  .site-header.is-condensed .strip-inner{
    min-height:0;
    padding-block:0;
  }
  .site-header.is-condensed .header-inner{ min-height:56px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
    scroll-behavior:auto !important;
  }
}