/* ==========================================================================
   B体育入口 / assets/site.css
   夜间赛场指挥中心：深空黑蓝基底 · 竞技橙行动 · 荧光青数据 · 斜切与比分牌
   ========================================================================== */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- 2. 变量 ---------- */
:root{
  --bs-void:#05080F;
  --bs-night:#0B1526;
  --bs-ice:#10243A;
  --bs-orange:#F25C1F;
  --bs-cyan:#25E0C8;
  --bs-red:#FF3B57;
  --bs-green:#37E27A;
  --bs-violet:#7A4BE8;
  --bs-wine:#8E1B3A;
  --bs-ink:#E8EEF7;
  --bs-muted:#9AA9BF;
  --bs-line:#1F3A52;
  --bs-line-soft:rgba(31,58,82,.62);
  --bs-glass:rgba(16,36,58,.55);
  --bs-max:1220px;
  --bs-gutter:clamp(18px,4vw,44px);
  --bs-hd-h:88px;
  --bs-hd-h-sm:62px;
  --bs-ease:cubic-bezier(.22,.61,.36,1);
  --bs-font:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--bs-font);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--bs-ink);
  background-color:var(--bs-void);
  background-image:
    radial-gradient(900px 520px at 6% -10%, rgba(122,75,232,.20), transparent 62%),
    radial-gradient(780px 460px at 98% 0%, rgba(37,224,200,.12), transparent 60%),
    radial-gradient(1000px 640px at 50% 120%, rgba(242,92,31,.10), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body.bs-lock{overflow:hidden}

h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.1;letter-spacing:-.02em}
p{text-wrap:pretty}
strong{font-weight:800;color:var(--bs-ink)}
::selection{background:var(--bs-orange);color:#05080F}

:focus-visible{outline:2px solid var(--bs-cyan);outline-offset:3px;border-radius:1px}

#main-content{padding-top:var(--bs-hd-h);scroll-margin-top:calc(var(--bs-hd-h) + 12px)}
#main-content[data-flush="true"]{padding-top:0}

/* ---------- 4. 布局工具 ---------- */
.bs-container{
  width:100%;
  max-width:var(--bs-max);
  margin-inline:auto;
  padding-inline:var(--bs-gutter);
}
.bs-section{padding-block:clamp(48px,7vw,96px)}
.bs-section--tight{padding-block:clamp(26px,4vw,52px)}
.bs-grid{display:grid;gap:clamp(16px,2.4vw,26px)}
.bs-grid--split{grid-template-columns:minmax(0,1.85fr) minmax(0,1fr)}
.bs-grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.bs-grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 5. 文字组件 ---------- */
.bs-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 14px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--bs-cyan);
}
.bs-eyebrow::before{content:"";width:26px;height:2px;background:currentColor;flex:0 0 auto}
.bs-display{
  margin:0;font-weight:800;line-height:.98;letter-spacing:-.028em;
  font-size:clamp(2.1rem,6.2vw,4.4rem);
  text-wrap:balance;
}
.bs-display--tight{font-size:clamp(1.7rem,3.8vw,2.8rem);line-height:1.08}
.bs-lede{
  margin:18px 0 0;max-width:56ch;
  font-size:clamp(15px,1.5vw,18px);line-height:1.8;color:var(--bs-muted);
}
.bs-prose{max-width:68ch;font-size:16.5px;line-height:1.8;color:var(--bs-muted)}
.bs-prose p + p{margin-top:1.2em}
.bs-prose h2{margin:1.6em 0 .5em;font-size:clamp(1.3rem,2.4vw,1.75rem);color:var(--bs-ink)}
.bs-prose h3{margin:1.4em 0 .4em;font-size:1.05rem;color:var(--bs-ink)}
.bs-prose a{color:var(--bs-cyan);text-decoration:none;border-bottom:1px solid rgba(37,224,200,.5)}
.bs-prose a:hover{border-bottom-color:var(--bs-cyan)}
.bs-prose ul{margin:.9em 0}
.bs-prose ul li{position:relative;padding-left:20px;margin-bottom:.45em}
.bs-prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--bs-cyan)}
.bs-note{
  margin:0;padding:12px 16px;
  border-left:3px solid var(--bs-violet);
  background:rgba(122,75,232,.12);
  font-size:13.5px;line-height:1.75;color:var(--bs-muted);
}

/* ---------- 6. 数据组件 ---------- */
.bs-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--bs-cyan);
  background:rgba(37,224,200,.10);
  border:1px solid rgba(37,224,200,.35);
}
.bs-score{
  display:inline-flex;align-items:baseline;gap:8px;
  font-family:var(--bs-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,5vw,3.4rem);font-weight:700;line-height:1;
  letter-spacing:-.02em;
}
.bs-score__value{color:var(--bs-ink)}
.bs-score__sep{color:rgba(154,169,191,.6);font-size:.6em}
.bs-score--live .bs-score__value{color:var(--bs-red)}
.bs-score--done .bs-score__value{color:var(--bs-green)}

/* ---------- 7. 容器 ---------- */
.bs-card{
  position:relative;
  padding:clamp(18px,2.4vw,26px);
  background:var(--bs-night);
  border:1px solid var(--bs-line);
}
.bs-card--glass{
  background:var(--bs-glass);
  -webkit-backdrop-filter:blur(12px) saturate(1.15);
  backdrop-filter:blur(12px) saturate(1.15);
  border-color:rgba(37,224,200,.22);
}
.bs-card--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%)}

/* ---------- 8. 按钮 ---------- */
.bs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.78em 1.35em;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--bs-ink);background:transparent;
  border:1px solid var(--bs-line);border-radius:1px;
  text-decoration:none;cursor:pointer;
  transition:background .24s var(--bs-ease),color .24s var(--bs-ease),border-color .24s var(--bs-ease),transform .24s var(--bs-ease);
}
.bs-btn:hover{transform:translateY(-1px)}
.bs-btn:active{transform:translateY(0)}
.bs-btn--primary{
  background:var(--bs-orange);
  border-color:var(--bs-orange);
  color:#0A0E15;
  box-shadow:0 10px 26px -16px rgba(242,92,31,.95);
}
.bs-btn--primary:hover{background:#FF7439;border-color:#FF7439}
.bs-btn--ghost{border-color:rgba(37,224,200,.45);color:var(--bs-cyan)}
.bs-btn--ghost:hover{background:rgba(37,224,200,.14);border-color:var(--bs-cyan);color:var(--bs-ink)}

/* ---------- 9. 面包屑 ---------- */
.bs-breadcrumb{margin:0 0 22px}
.bs-breadcrumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--bs-muted);
}
.bs-breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.bs-breadcrumb__item:not(:last-child)::after{content:"/";color:rgba(154,169,191,.45)}
.bs-breadcrumb__link{
  color:var(--bs-muted);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--bs-ease),border-color .2s var(--bs-ease);
}
.bs-breadcrumb__link:hover{color:var(--bs-cyan);border-bottom-color:var(--bs-cyan)}

/* ---------- 10. 图片容器（页面阶段放占位） ---------- */
.bs-media{
  position:relative;overflow:hidden;isolation:isolate;
  background:var(--bs-ice);
  border:1px solid var(--bs-line);
}
.bs-media__img{
  display:block;width:100%;height:100%;object-fit:cover;
  filter:brightness(.84) saturate(1.06) contrast(1.02);
  transition:transform .55s var(--bs-ease);
}
.bs-media__ph{
  display:grid;place-items:center;
  width:100%;height:100%;min-height:140px;
  padding:16px;text-align:center;
  font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(154,169,191,.8);
  background:linear-gradient(135deg,var(--bs-ice),var(--bs-night));
}
.bs-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 86% -10%, rgba(37,224,200,.26), transparent 56%),
    radial-gradient(120% 90% at 4% 112%, rgba(242,92,31,.22), transparent 58%);
  mix-blend-mode:screen;
}
.bs-media--r169{aspect-ratio:16/9}
.bs-media--r43{aspect-ratio:4/3}
.bs-media--r11{aspect-ratio:1/1}
.bs-media--slant{clip-path:polygon(0 0,100% 0,100% 100%,0 92%)}
.bs-media:hover .bs-media__img{transform:translate(6px,-6px) scale(1.02)}

/* ---------- 11. 侧边速览 ---------- */
.bs-rail{
  position:sticky;
  top:calc(var(--bs-hd-h-sm) + 26px);
  align-self:start;
  display:grid;gap:1px;align-content:start;
  padding-left:14px;
  border-left:1px solid var(--bs-line);
}
.bs-rail__link{
  display:block;
  margin-left:-2px;
  padding:7px 9px;
  font-size:12.5px;line-height:1.5;
  color:var(--bs-muted);text-decoration:none;
  border-left:2px solid transparent;
  transition:color .2s var(--bs-ease),transform .2s var(--bs-ease),border-color .2s var(--bs-ease);
}
.bs-rail__link:hover{color:var(--bs-ink)}
.bs-rail__link[data-active="true"]{
  color:var(--bs-ink);font-weight:700;
  transform:translateX(-4px);
  border-left-color:var(--bs-orange);
}

/* ---------- 12. 显现 ---------- */
.bs-reveal{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s var(--bs-ease),transform .5s var(--bs-ease);
}
.bs-reveal[data-reveal="in"]{opacity:1;transform:none}

/* ---------- 13. 跳转链接 ---------- */
.bs-skip{
  position:absolute;left:14px;top:-120px;z-index:220;
  padding:10px 18px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#05080F;background:var(--bs-cyan);text-decoration:none;
  transition:top .22s var(--bs-ease);
}
.bs-skip:focus{top:14px}

/* ---------- 14. HEADER ---------- */
.bs-header{
  position:fixed;inset:0 0 auto 0;z-index:120;
  color:var(--bs-ink);
  background:linear-gradient(180deg, rgba(5,8,15,.78) 0%, rgba(5,8,15,.30) 62%, rgba(5,8,15,0) 100%);
  border-bottom:1px solid transparent;
  transition:background .35s var(--bs-ease),border-color .35s var(--bs-ease),box-shadow .35s var(--bs-ease);
}
.bs-header[data-scrolled="true"]{
  background:linear-gradient(180deg, rgba(11,21,38,.98), rgba(11,21,38,.94));
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--bs-line);
  box-shadow:0 22px 46px -34px rgba(0,0,0,.95);
}
.bs-header__inner{
  display:flex;align-items:center;
  gap:clamp(12px,2.2vw,30px);
  width:100%;max-width:var(--bs-max);
  margin-inline:auto;
  padding:18px var(--bs-gutter);
  min-height:var(--bs-hd-h);
  transition:min-height .3s var(--bs-ease),padding .3s var(--bs-ease);
}
.bs-header[data-scrolled="true"] .bs-header__inner{
  min-height:var(--bs-hd-h-sm);
  padding-block:9px;
}

/* progress */
.bs-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(31,58,82,.55);
  overflow:hidden;
}
.bs-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--bs-cyan) 0%,var(--bs-cyan) 42%,var(--bs-orange) 100%);
  transition:transform .12s linear;
}

/* brand */
.bs-brand{
  display:inline-flex;align-items:center;gap:11px;
  flex:0 0 auto;text-decoration:none;color:inherit;
}
.bs-brand__mark{
  display:grid;place-items:center;
  width:38px;height:38px;flex:0 0 auto;
  font-family:var(--bs-mono);font-size:19px;font-weight:800;line-height:1;
  letter-spacing:0;color:#0A0E15;
  background:linear-gradient(150deg,var(--bs-cyan) 0%,var(--bs-orange) 100%);
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.bs-brand__text{display:flex;flex-direction:column;gap:3px;line-height:1.05}
.bs-brand__name{font-size:17px;font-weight:800;letter-spacing:.02em}
.bs-brand__tag{
  font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bs-muted);
}

/* nav */
.bs-nav{margin-left:auto}
.bs-nav__list{display:flex;align-items:center;gap:2px}
.bs-nav__item{display:block}
.bs-nav__link{
  position:relative;display:block;
  padding:11px 12px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  color:rgba(232,238,247,.76);
  text-decoration:none;white-space:nowrap;
  transition:color .2s var(--bs-ease);
}
.bs-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  background:var(--bs-cyan);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .26s var(--bs-ease),background .26s var(--bs-ease);
}
.bs-nav__link:hover{color:var(--bs-ink)}
.bs-nav__link:hover::after{transform:scaleX(1)}
.bs-nav__link[aria-current="page"]{color:var(--bs-ink);font-weight:700}
.bs-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--bs-orange)}

/* actions */
.bs-header__actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.bs-header__actions .bs-btn{font-size:11.5px;padding:.72em 1.05em}

/* navtoggle */
.bs-navtoggle{
  display:none;
  align-items:center;justify-content:center;
  width:46px;height:42px;
  background:rgba(16,36,58,.72);
  border:1px solid var(--bs-line);
  color:var(--bs-ink);cursor:pointer;
  transition:background .2s var(--bs-ease),border-color .2s var(--bs-ease);
  clip-path:polygon(0 0,100% 0,100% 100%,9px 100%,0 calc(100% - 9px));
}
.bs-navtoggle:hover{background:rgba(37,224,200,.16);border-color:rgba(37,224,200,.5)}
.bs-navtoggle__bars{display:flex;flex-direction:column;justify-content:center;gap:4px;width:18px;height:14px}
.bs-navtoggle__bars span{
  display:block;height:2px;width:100%;background:currentColor;
  transition:transform .26s var(--bs-ease),opacity .2s var(--bs-ease);
}
.bs-navtoggle__label{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip-path:inset(50%);white-space:nowrap;
}
.bs-header[data-open="true"] .bs-navtoggle{
  background:rgba(242,92,31,.18);
  border-color:rgba(242,92,31,.65);
}
.bs-header[data-open="true"] .bs-navtoggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.bs-header[data-open="true"] .bs-navtoggle__bars span:nth-child(2){opacity:0}
.bs-header[data-open="true"] .bs-navtoggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 15. FOOTER ---------- */
.bs-footer{
  position:relative;
  margin-top:clamp(56px,9vw,116px);
  overflow:hidden;
  color:var(--bs-ink);
  background:linear-gradient(180deg, rgba(11,21,38,.98) 0%, var(--bs-void) 64%);
  border-top:1px solid var(--bs-line);
}
.bs-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(37,224,200,.6) 24%,rgba(242,92,31,.65) 62%,transparent 100%);
}
.bs-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(116deg, rgba(37,224,200,.055) 0 1px, transparent 1px 28px);
  opacity:.55;
}
.bs-footer__glow{
  position:absolute;left:-10%;right:-10%;bottom:-46%;height:320px;
  pointer-events:none;
  background:radial-gradient(ellipse at 50% 100%, rgba(242,92,31,.26), transparent 70%);
}
.bs-footer__inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1.5fr) minmax(0,1fr);
  gap:clamp(28px,4vw,54px);
  width:100%;max-width:var(--bs-max);
  margin-inline:auto;
  padding:clamp(44px,6vw,72px) var(--bs-gutter) clamp(30px,4vw,48px);
}
.bs-footer__lead{display:flex;flex-direction:column;align-items:flex-start}
.bs-brand--footer .bs-brand__mark{width:32px;height:32px;font-size:16px}
.bs-brand--footer .bs-brand__name{font-size:15.5px}
.bs-footer__closing{
  margin:16px 0 20px;
  font-size:clamp(16px,2vw,20px);font-weight:800;line-height:1.4;
  letter-spacing:-.01em;color:var(--bs-ink);max-width:22ch;
}
.bs-footer__quick{display:flex;flex-wrap:wrap;gap:10px}
.bs-footer__quick .bs-btn{font-size:11px;padding:.7em 1.05em}

.bs-footer__cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;align-content:start;
}
.bs-footer__col{min-width:0}
.bs-footer__title{
  margin:0 0 14px;
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bs-cyan);
}
.bs-footer__links{display:grid;gap:9px}
.bs-footer__link{
  display:inline-block;
  font-size:14px;color:rgba(232,238,247,.74);text-decoration:none;
  transition:color .2s var(--bs-ease),transform .2s var(--bs-ease);
}
.bs-footer__link:hover{color:var(--bs-orange);transform:translateX(3px)}

.bs-footer__contact{display:grid;gap:12px;align-content:start}
.bs-contact-row{
  display:grid;gap:3px;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(31,58,82,.95);
}
.bs-contact-row__label{
  font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bs-muted);
}
.bs-contact-row__value{
  font-size:13.5px;line-height:1.6;color:var(--bs-ink);
  font-variant-numeric:tabular-nums;
  word-break:break-word;
}
.bs-contact-row__note{
  margin-top:4px;padding-left:11px;
  border-left:2px solid var(--bs-wine);
  font-size:12.5px;line-height:1.7;color:var(--bs-muted);
}
.bs-footer__base{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  width:100%;max-width:var(--bs-max);
  margin-inline:auto;
  padding:16px var(--bs-gutter) 28px;
  border-top:1px solid var(--bs-line-soft);
  font-size:12.5px;letter-spacing:.04em;color:var(--bs-muted);
}
.bs-footer__legal{display:inline-flex;align-items:center;gap:9px}
.bs-footer__legal::before{
  content:"";width:6px;height:6px;flex:0 0 auto;
  background:var(--bs-green);
  box-shadow:0 0 9px var(--bs-green);
}
.bs-footer__copy{font-variant-numeric:tabular-nums}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1080px){
  .bs-navtoggle{display:inline-flex}
  .bs-header__actions .bs-btn--ghost{display:none}
  .bs-nav{
    position:fixed;top:0;right:0;left:auto;z-index:125;
    display:block;
    width:min(400px,90vw);
    height:100dvh;
    margin-left:0;
    padding:calc(var(--bs-hd-h) + 26px) 26px 44px;
    overflow-y:auto;
    background:linear-gradient(180deg, rgba(11,21,38,.985), rgba(5,8,15,.995));
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-left:1px solid var(--bs-line);
    box-shadow:-40px 0 70px -46px #000;
    transform:translateX(102%);
    visibility:hidden;
    transition:transform .34s var(--bs-ease),visibility .34s var(--bs-ease);
  }
  .bs-header[data-open="true"] .bs-nav{transform:translateX(0);visibility:visible}
  .bs-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .bs-nav__link{
    font-size:18px;font-weight:700;
    padding:16px 4px;
    border-bottom:1px solid var(--bs-line-soft);
  }
  .bs-nav__link::after{left:4px;right:auto;width:22px;bottom:9px}
  .bs-nav__link[aria-current="page"]::after{width:34px}
  .bs-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .bs-footer__lead{grid-column:1 / -1}
}
@media (max-width:860px){
  .bs-grid--split,.bs-grid--halves,.bs-grid--thirds{grid-template-columns:minmax(0,1fr)}
  .bs-rail{position:static;display:flex;flex-wrap:wrap;gap:6px;border-left:0;padding-left:0}
  .bs-rail__link{border-left:0;border-bottom:2px solid transparent;margin-left:0;padding:6px 10px}
  .bs-rail__link[data-active="true"]{transform:none;border-left-color:transparent;border-bottom-color:var(--bs-orange)}
  .bs-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  :root{--bs-hd-h:66px;--bs-hd-h-sm:58px}
  body{font-size:16px}
  .bs-brand__tag{display:none}
  .bs-brand__mark{width:34px;height:34px;font-size:17px}
  .bs-brand__name{font-size:15.5px}
  .bs-header__actions .bs-btn{padding:.66em .9em;font-size:11px}
  .bs-footer__inner{grid-template-columns:minmax(0,1fr)}
  .bs-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bs-footer__base{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .bs-header__actions .bs-btn--primary{display:none}
  .bs-footer__cols{grid-template-columns:minmax(0,1fr)}
  .bs-media--slant{clip-path:polygon(0 0,100% 0,100% 100%,0 96%)}
}

/* ---------- 17. 动效与无障碍 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .bs-reveal{opacity:1;transform:none}
  .bs-media:hover .bs-media__img{transform:none}
  .bs-footer__link:hover{transform:none}
}