/* ============================================================
   188金宝搏苹果 · 共享样式 /assets/site.css
   分屏骨架 + 侧轨导航 + 固定入口栏 + 墨黑页脚
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --c-red:#B0122B;
  --c-red-deep:#6E0A1C;
  --c-green:#16C47F;
  --c-green-soft:#8FE3C0;
  --c-gold:#E6B84A;
  --c-amber:#F08A24;
  --c-ink:#0D1114;
  --c-slate:#2A3238;
  --c-paper:#F5F8F6;
  --c-text:#1B2226;

  --line:rgba(245,248,246,.10);
  --line-strong:rgba(245,248,246,.20);
  --muted:rgba(245,248,246,.66);
  --muted-2:rgba(245,248,246,.44);

  --rail-w:88px;
  --dock-w:260px;
  --topbar-h:72px;

  --r-card:24px;
  --r-block:32px;
  --r-pill:999px;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shadow-1:0 18px 40px rgba(0,0,0,.38);
  --shadow-2:0 22px 54px rgba(0,0,0,.5);
  --dur:.22s;
}

/* ---------- 2. 重置与基础排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--topbar-h);
  background:var(--c-ink);
  color:var(--c-paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}
::selection{background:var(--c-green);color:#04140C}
:focus-visible{outline:3px solid var(--c-gold);outline-offset:3px;border-radius:8px}
html[data-nav-lock]{overflow:hidden}

.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  transform:translateY(-180%);
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--c-gold);color:#1A1204;
  font-weight:800;font-size:14px;text-decoration:none;
  transition:transform var(--dur) ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 3. 按钮 / 圆点 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:800;letter-spacing:.01em;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
}
.btn-primary{background:linear-gradient(135deg,var(--c-green),#0FA96C);color:#04140C;box-shadow:0 10px 24px rgba(22,196,127,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(22,196,127,.42)}
.btn-red{background:linear-gradient(135deg,var(--c-red),var(--c-red-deep));color:#fff;box-shadow:0 10px 24px rgba(176,18,43,.34)}
.btn-red:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(176,18,43,.46)}
.btn-ghost{background:rgba(245,248,246,.04);border-color:var(--line-strong);color:var(--c-paper)}
.btn-ghost:hover{border-color:var(--c-green);color:var(--c-green-soft);transform:translateY(-2px)}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-block{width:100%}

.dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--c-green);box-shadow:0 0 0 4px rgba(22,196,127,.2)}
.dot--gold{background:var(--c-gold);box-shadow:0 0 0 4px rgba(230,184,74,.22)}
.dot--amber{background:var(--c-amber);box-shadow:0 0 0 4px rgba(240,138,36,.22)}
.dot--ink{background:#07150E;box-shadow:0 0 0 4px rgba(7,21,14,.16)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
  background:rgba(245,248,246,.08);border:1px solid var(--line);color:var(--muted);
}
.chip--gold{background:rgba(230,184,74,.14);border-color:rgba(230,184,74,.42);color:var(--c-gold)}
.chip--green{background:rgba(22,196,127,.14);border-color:rgba(22,196,127,.44);color:var(--c-green-soft)}
.chip--amber{background:rgba(240,138,36,.14);border-color:rgba(240,138,36,.44);color:#F7B569}
.chip--red{background:rgba(176,18,43,.22);border-color:rgba(176,18,43,.56);color:#F3A0AF}
.num{font-family:var(--font-num);font-weight:700;font-size:1.6em;letter-spacing:-.02em;color:var(--c-gold);line-height:1}

/* ---------- 4. 布局骨架 ---------- */
.page-shell{
  width:100%;max-width:1680px;margin:0 auto;
  padding:28px 20px 80px;
}
@media (min-width:1024px){
  .page-shell{padding:40px calc(var(--dock-w) + 32px) 96px calc(var(--rail-w) + 32px)}
}
.wrap{width:100%;max-width:1080px;margin:0 auto}
.wrap-narrow{width:100%;max-width:760px;margin:0 auto}

.split{display:grid;gap:28px;grid-template-columns:minmax(0,1fr);align-items:start}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:44px}
  .split-aside{position:sticky;top:calc(var(--topbar-h) + 28px)}
}
@media (min-width:1200px){
  .split{grid-template-columns:minmax(0,34fr) minmax(0,66fr);gap:56px}
}

.section{margin-bottom:clamp(48px,7vw,88px)}
.section-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:26px;
}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--c-green-soft)}

.chapter{display:flex;align-items:flex-start;gap:18px}
.chapter-index{
  font-family:var(--font-num);font-weight:700;line-height:1;letter-spacing:-.04em;
  font-size:clamp(28px,5vw,46px);color:var(--c-gold);
}
.chapter-body{display:flex;flex-direction:column;gap:6px;padding-top:2px}
.chapter-kicker{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--c-green-soft)}
.chapter-title{font-size:clamp(21px,2.6vw,32px);font-weight:800;line-height:1.28;letter-spacing:-.01em}

.grid{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:760px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- 5. 卡片 / 数据 / 提示 ---------- */
.card{
  background:linear-gradient(155deg,var(--c-slate),#212A2F);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;color:var(--c-paper);
}
.card--light{background:var(--c-paper);color:var(--c-text);border-color:rgba(27,34,38,.08)}
.card--red{background:linear-gradient(150deg,var(--c-red),var(--c-red-deep));border-color:rgba(255,255,255,.14)}
.card-title{font-size:19px;font-weight:800;line-height:1.4;letter-spacing:-.01em}
.card-text{margin-top:10px;font-size:15px;line-height:1.78;color:var(--muted)}
.card--light .card-text{color:rgba(27,34,38,.74)}

.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{font-family:var(--font-num);font-weight:700;line-height:1;font-size:clamp(26px,4vw,40px);color:var(--c-gold);letter-spacing:-.03em}
.stat-label{font-size:13px;color:var(--muted)}

.notice{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-card);
  background:rgba(240,138,36,.12);border:1px solid rgba(240,138,36,.38);
  color:#F6C08A;font-size:14.5px;line-height:1.7;
}
.rule{height:1px;background:var(--line);margin:32px 0}
.speedline{
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--c-green),var(--c-gold),var(--c-red),transparent);
  background-size:200% 100%;opacity:.7;
  animation:speedmove 6s linear infinite;
}
@keyframes speedmove{from{background-position:0% 0}to{background-position:-200% 0}}

/* ---------- 6. 面包屑 / 正文排版 ---------- */
.breadcrumbs{font-size:13px;color:var(--muted-2)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:rgba(245,248,246,.28)}
.breadcrumbs a{text-decoration:none;color:inherit;transition:color var(--dur) ease}
.breadcrumbs a:hover{color:var(--c-green-soft)}
.breadcrumbs [aria-current="page"]{color:var(--c-gold);font-weight:700}

.prose{font-size:16.5px;line-height:1.85;color:var(--muted);max-width:70ch}
.prose h2{margin:36px 0 12px;font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.35;color:var(--c-paper)}
.prose h3{margin:26px 0 10px;font-size:18px;font-weight:700;color:var(--c-paper)}
.prose p{margin:0 0 16px}
.prose ul{margin:0 0 18px}
.prose li{position:relative;padding-left:20px;margin-bottom:8px}
.prose li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-green)}
.prose a{color:var(--c-green-soft);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--c-paper)}
.prose--light{color:rgba(27,34,38,.78)}
.prose--light h2,.prose--light h3,.prose--light strong{color:var(--c-text)}

/* ---------- 7. 图片容器基础规则 ---------- */
.media{
  position:relative;overflow:hidden;display:block;
  border-radius:var(--r-card);border:1px solid var(--line);
  aspect-ratio:16 / 9;
  background:
    linear-gradient(118deg,var(--c-red-deep) 0%,rgba(13,17,20,.9) 46%,#0E6B49 100%);
}
.media>img,.media>picture,.media>video,.media>svg{width:100%;height:100%;object-fit:cover}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:3 / 4}
.media--wide{aspect-ratio:21 / 9}
.media--block{border-radius:var(--r-block)}
.media-caption{margin-top:10px;font-size:12.5px;color:var(--muted-2)}

/* ---------- 8. 头部：顶栏 ---------- */
.site-header{position:relative;z-index:60}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:130;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-green),var(--c-gold),var(--c-red));
  pointer-events:none;
}
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:60;
  display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(13,17,20,.97),rgba(13,17,20,.86));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color var(--dur) ease;
}
.site-header[data-scrolled] .topbar{border-bottom-color:var(--line-strong)}
.topbar-inner{
  width:100%;max-width:1680px;margin:0 auto;padding:0 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar-actions{display:flex;align-items:center;gap:12px}
.site-header[data-scrolled] .topbar-cta{transform:scale(1.05);box-shadow:0 16px 34px rgba(22,196,127,.44)}
.topbar-cta{font-size:14px}

.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--c-paper)}
.brand-mark{
  position:relative;width:36px;height:36px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,var(--c-red) 0%,#8E0F23 58%,var(--c-red-deep) 100%);
  box-shadow:inset 0 0 0 1px rgba(245,248,246,.18);
}
.brand-mark::before{
  content:"";position:absolute;right:-6px;top:7px;width:13px;height:13px;
  border-radius:50%;background:var(--c-ink);
}
.brand-mark::after{
  content:"";position:absolute;left:8px;top:13px;width:17px;height:3px;border-radius:2px;
  background:var(--c-green);transform:rotate(28deg);
  box-shadow:0 7px 0 0 rgba(22,196,127,.42);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.16em;color:var(--c-green-soft)}

.nav-toggle{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--c-green),#0FA96C);color:#04140C;
  font-size:14px;font-weight:800;cursor:pointer;
  box-shadow:0 12px 28px rgba(0,0,0,.45);
}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle .bars span{display:block;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle-text{white-space:nowrap}

/* ---------- 9. 头部：侧轨导航 ---------- */
.rail{
  position:fixed;left:0;top:var(--topbar-h);bottom:0;width:var(--rail-w);z-index:55;
  display:flex;flex-direction:column;gap:6px;
  padding:20px 10px 24px;
  background:linear-gradient(180deg,#101519 0%,#0D1114 42%,#12181C 100%);
  border-right:1px solid var(--line);
}
.rail-title{
  font-size:10px;font-weight:700;letter-spacing:.14em;text-align:center;
  color:var(--muted-2);text-transform:uppercase;margin-bottom:8px;
}
.rail-list{display:flex;flex-direction:column;gap:6px}
.rail-item{position:relative}
.rail-link{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:11px 4px;border-radius:18px;text-decoration:none;color:var(--muted);
  transition:background var(--dur) ease,color var(--dur) ease;
}
.rail-link .rail-index{font-family:var(--font-num);font-size:11px;letter-spacing:.06em;color:var(--c-gold);opacity:.72}
.rail-link .rail-label{font-size:11px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.rail-link:hover,.rail-link:focus-visible{background:rgba(22,196,127,.13);color:#fff}
.rail-link[aria-current="page"]{
  background:linear-gradient(160deg,var(--c-red),var(--c-red-deep));color:#fff;
  box-shadow:0 10px 24px rgba(176,18,43,.36);
}
.rail-link[aria-current="page"] .rail-index{opacity:1}
.rail-link[aria-current="page"]::before{
  content:"";position:absolute;left:-10px;top:18px;bottom:18px;width:4px;
  border-radius:0 4px 4px 0;background:var(--c-green);
}
.rail-tip{
  position:absolute;left:calc(100% + 14px);top:50%;z-index:6;
  transform:translate(-10px,-50%);
  padding:7px 14px;border-radius:var(--r-pill);white-space:nowrap;
  background:var(--c-paper);color:var(--c-text);font-size:13px;font-weight:700;
  opacity:0;pointer-events:none;box-shadow:var(--shadow-1);
  transition:opacity var(--dur) ease,transform var(--dur) ease;
}
.rail-tip::before{
  content:"";position:absolute;left:-5px;top:50%;width:10px;height:10px;
  transform:translateY(-50%) rotate(45deg);border-radius:2px;background:var(--c-paper);
}
.rail-link:hover .rail-tip,.rail-link:focus-visible .rail-tip{opacity:1;transform:translate(0,-50%)}
.rail-entries{display:none}
.rail-legal{display:none}

/* ---------- 10. 头部：右侧入口栏 ---------- */
.entry-dock{
  position:fixed;right:0;top:var(--topbar-h);bottom:0;width:var(--dock-w);z-index:55;
  display:flex;flex-direction:column;gap:12px;overflow-y:auto;
  padding:22px 18px;
  background:linear-gradient(200deg,#131A1E 0%,#0D1114 72%);
  border-left:1px solid var(--line);
}
.dock-title{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.dock-note{margin-top:auto;font-size:12px;line-height:1.7;color:var(--muted-2)}

.entry{
  display:block;padding:16px;border-radius:var(--r-card);
  background:linear-gradient(150deg,var(--c-slate),#202729);
  border:1px solid var(--line);text-decoration:none;color:var(--c-paper);
  transition:transform var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.entry-title{display:block;font-size:15px;font-weight:800;line-height:1.45}
.entry-meta{display:flex;align-items:center;gap:8px;margin-top:9px;font-size:12px;color:var(--muted)}
.entry:hover,.entry:focus-visible{
  transform:translateY(-3px);
  border-color:rgba(22,196,127,.5);
  background:linear-gradient(150deg,#333D43,#242C30);
}

.drawer-scrim{
  position:fixed;inset:0;z-index:70;
  background:rgba(5,8,10,.64);
  opacity:0;pointer-events:none;
  transition:opacity .26s ease;
}
.drawer-scrim[data-open]{opacity:1;pointer-events:auto}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(48px,8vw,100px);
  background:var(--c-ink);
  border-top:1px solid var(--line);
  color:var(--c-paper);
  overflow:hidden;
}
.footer-track{
  display:flex;align-items:flex-end;gap:22px;
  padding:30px 20px 0;
}
.track-v3{
  font-family:var(--font-num);font-weight:700;line-height:.82;letter-spacing:-.05em;
  font-size:clamp(48px,11vw,124px);
  color:rgba(230,184,74,.16);
  -webkit-text-stroke:1.5px rgba(230,184,74,.6);
}
.track-line{
  flex:1;height:2px;margin-bottom:20px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-green),var(--c-gold),var(--c-red),transparent);
  opacity:.85;
}
.footer-inner{
  display:grid;gap:34px;grid-template-columns:minmax(0,1fr);
  padding:32px 20px 26px;
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-tagline{font-size:20px;font-weight:800;letter-spacing:-.01em}
.footer-meta{font-size:13px;line-height:1.7;color:var(--muted-2)}
.footer-cols{display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr))}
.footer-col-title{
  margin-bottom:12px;font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--c-green-soft);
}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list a{
  display:inline-block;font-size:14px;color:var(--muted);text-decoration:none;
  transition:color var(--dur) ease,transform var(--dur) ease;
}
.footer-list a:hover{color:var(--c-green-soft);transform:translateX(3px)}
.footer-text{font-size:14px;color:var(--muted-2);line-height:1.7;display:inline-block}
.footer-legal{
  display:flex;flex-wrap:wrap;gap:6px 22px;
  padding:20px;border-top:1px solid var(--line);
  font-size:12px;color:var(--muted-2);
}

@media (min-width:760px){
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .footer-track{padding-left:calc(var(--rail-w) + 32px);padding-right:calc(var(--dock-w) + 32px)}
  .footer-inner{
    grid-template-columns:minmax(0,1.05fr) minmax(0,2.4fr);gap:56px;
    padding:40px calc(var(--dock-w) + 32px) 32px calc(var(--rail-w) + 32px);
  }
  .footer-cols{grid-template-columns:repeat(4,minmax(0,1fr))}
  .footer-legal{padding:22px calc(var(--dock-w) + 32px) 28px calc(var(--rail-w) + 32px)}
}

/* ---------- 12. 滚动显现协议 ---------- */
html[data-reveal-ready] [data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity var(--dur) ease,transform var(--dur) ease;
}
html[data-reveal-ready] [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 13. 平板断点收敛 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--rail-w:76px;--dock-w:220px}
}

/* ---------- 14. 移动端：抽屉 + 悬浮胶囊 ---------- */
@media (max-width:1023px){
  :root{--topbar-h:64px}

  .topbar-inner{padding:0 14px}
  .brand-mark{width:32px;height:32px;border-radius:11px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .topbar-cta{padding:10px 15px;font-size:13px}

  .nav-toggle{
    position:fixed;right:16px;bottom:16px;z-index:95;
    padding:13px 20px;
  }

  .rail{
    left:0;right:0;top:auto;bottom:0;width:100%;max-height:86vh;
    padding:22px 20px 104px;
    border-right:0;border-top:1px solid var(--line-strong);
    border-radius:var(--r-block) var(--r-block) 0 0;
    background:linear-gradient(180deg,#141A1E 0%,#0D1114 100%);
    overflow-y:auto;overscroll-behavior:contain;
    transform:translateY(104%);
    transition:transform .34s cubic-bezier(.2,.7,.3,1);
    z-index:80;
  }
  .rail[data-open]{transform:translateY(0)}
  .rail-title{text-align:left;font-size:11px;margin-bottom:14px}
  .rail-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .rail-link{
    flex-direction:row;justify-content:flex-start;gap:12px;
    padding:14px;border-radius:18px;font-size:15px;
    background:rgba(245,248,246,.04);border:1px solid var(--line);
  }
  .rail-link .rail-label{font-size:15px;font-weight:700}
  .rail-link[aria-current="page"]::before{
    left:14px;right:14px;top:auto;bottom:6px;width:auto;height:3px;border-radius:3px;
  }
  .rail-tip{display:none}
  .rail-entries{display:grid;gap:10px;margin-top:20px}
  .rail-legal{display:block;margin-top:18px;font-size:12px;color:var(--muted-2)}
  .entry-dock{display:none}
  .drawer-scrim{z-index:70}
}

@media (max-width:420px){
  .nav-toggle-text{display:none}
  .nav-toggle{padding:14px}
  .rail-list{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 15. 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;
  }
  html[data-reveal-ready] [data-reveal]{opacity:1;transform:none}
  .speedline{background-position:0 0}
  .site-header[data-scrolled] .topbar-cta{transform:none}
}