/* ===== 38娱乐会馆 · 共享站点样式 /assets/site.css ===== */

/* 1. 变量 */
:root{
  --ink-950:#0A0912;
  --ink-900:#0F0D1A;
  --ink-800:#171426;
  --ink-700:#221E36;
  --paper-100:#F4EDE2;
  --paper-200:#E7DECD;
  --paper-400:#CBBFAE;
  --orange-500:#FF6A1F;
  --violet-500:#7A3CFF;
  --cyan-400:#2FE3D6;
  --gold-400:#FFC24B;
  --text-ink:#14121C;
  --text-paper:#F3EFE8;
  --muted-paper:rgba(243,239,232,.68);
  --muted-ink:rgba(20,18,28,.68);
  --line-dark:rgba(244,237,226,.16);
  --line-dark-soft:rgba(244,237,226,.09);
  --line-paper:rgba(20,18,28,.14);
  --shadow-board:0 1px 0 rgba(244,237,226,.05), 0 26px 50px -34px rgba(0,0,0,.95);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-pill:999px;
  --wrap:1240px; --pad:64px; --header-h:64px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"DejaVu Sans Mono","Courier New",monospace;
}

/* 2. Reset */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:inherit;}
html,body{min-height:100%;}

/* 3. 中文排版与基础底色 */
body{
  background-color:var(--ink-950);
  background-image:
    radial-gradient(52% 34% at 8% -4%, rgba(122,60,255,.22), transparent 64%),
    radial-gradient(44% 30% at 96% 4%, rgba(255,106,31,.16), transparent 62%),
    radial-gradient(70% 46% at 50% 112%, rgba(47,227,214,.10), transparent 70%);
  background-repeat:no-repeat;
  color:var(--text-paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:800;line-height:1.18;letter-spacing:-.02em;}
p{text-wrap:pretty;}
strong,b{font-weight:700;}
::selection{background:var(--orange-500);color:#1B0A02;}
#main-content{display:block;scroll-margin-top:calc(var(--header-h) + 16px);}
:focus-visible{outline:2px solid var(--cyan-400);outline-offset:3px;border-radius:6px;}

/* 4. 跳过链接 */
.skip-link{
  position:absolute;left:16px;top:-72px;z-index:300;
  background:var(--cyan-400);color:#04201E;font-weight:700;font-size:14px;
  padding:11px 18px;border-radius:0 0 var(--r-sm) var(--r-sm);
  text-decoration:none;transition:top .18s var(--ease);
}
.skip-link:focus{top:0;}

/* 5. 命令栏页头 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(23,20,38,.93);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-dark);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header[data-scrolled]{
  background:rgba(10,9,18,.97);
  box-shadow:0 18px 34px -30px rgba(0,0,0,1);
}
.cmd-bar{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:0 var(--pad);min-height:var(--header-h);
  display:flex;align-items:center;gap:26px;
  transition:min-height .24s var(--ease);
}
.site-header[data-scrolled] .cmd-bar{min-height:52px;}

.cmd-brand{flex:0 0 auto;}
.brand-mark{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-paper);}
.brand-icon{
  display:grid;place-items:center;flex:0 0 auto;
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--orange-500),var(--violet-500));
  color:#0A0912;font-family:var(--font-mono);font-weight:700;font-size:15px;letter-spacing:0;
  box-shadow:0 12px 26px -16px rgba(255,106,31,.95),inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.brand-suffix{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-paper);}

.cmd-nav{flex:1 1 auto;min-width:0;}
.cmd-list{display:flex;align-items:center;gap:4px;}
.cmd-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 13px;border-radius:var(--r-pill);
  border:1px solid transparent;text-decoration:none;
  color:var(--muted-paper);font-size:14px;font-weight:500;line-height:1.4;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.cmd-index{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.08em;color:var(--gold-400);}
.cmd-label{white-space:nowrap;}
.cmd-link:hover{color:var(--text-paper);background:rgba(244,237,226,.07);border-color:var(--line-dark-soft);}
.cmd-link:hover .cmd-index{color:var(--cyan-400);}
.cmd-link[aria-current="page"]{
  background:var(--orange-500);border-color:var(--orange-500);
  color:#1B0A02;font-weight:700;
}
.cmd-link[aria-current="page"] .cmd-index{color:rgba(27,10,2,.65);}
.cmd-link[aria-current="page"]::after{
  content:"";width:5px;height:5px;border-radius:50%;background:#1B0A02;flex:0 0 auto;
}

.cmd-aside{flex:0 0 auto;display:flex;align-items:center;gap:14px;}
.cmd-status{
  display:flex;align-items:center;gap:9px;
  padding:6px 14px;border:1px solid var(--line-dark);border-radius:var(--r-pill);
  background:rgba(10,9,18,.62);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted-paper);
  white-space:nowrap;
}
.status-pip{
  width:7px;height:7px;border-radius:50%;background:var(--cyan-400);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(47,227,214,.16);
  animation:pip-breathe 2.6s ease-in-out infinite;
}
.status-split{color:var(--line-dark);}
.status-text--muted{color:rgba(243,239,232,.5);}
@keyframes pip-breathe{50%{opacity:.32;}}

.nav-toggle{
  display:none;width:42px;height:42px;padding:0;flex:0 0 auto;
  align-items:center;justify-content:center;cursor:pointer;
  background:rgba(10,9,18,.72);border:1px solid var(--line-dark);border-radius:13px;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan-400);}
.nav-toggle-bars,.nav-toggle-bars::before,.nav-toggle-bars::after{
  display:block;width:16px;height:2px;border-radius:2px;background:var(--text-paper);
  transition:transform .22s var(--ease),background .18s var(--ease);
}
.nav-toggle-bars{position:relative;}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;}
.nav-toggle-bars::before{top:-5px;}
.nav-toggle-bars::after{top:5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-5px) rotate(-45deg);}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan-400),var(--violet-500) 55%,var(--orange-500));
}

/* 6. 容器与章节 */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);}
.section{padding:clamp(44px,6vw,88px) 0;}
.section--tight{padding:clamp(28px,4vw,56px) 0;}

/* 7. 画板 */
.board{
  position:relative;
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  border-radius:var(--r-lg);
  padding:clamp(22px,3vw,40px);
  box-shadow:var(--shadow-board);
}
.board--paper{background:var(--paper-100);color:var(--text-ink);border-color:rgba(20,18,28,.16);}
.board--paper h1,.board--paper h2,.board--paper h3,.board--paper h4{color:var(--text-ink);}
.board--paper .section-title,.board--paper .display{color:var(--text-ink);}
.board--paper .lede{color:var(--muted-ink);}
.board--paper .aside-note{color:var(--muted-ink);}
.board--paper .eyebrow{color:var(--violet-500);}
.board--glow{
  box-shadow:0 0 0 1px rgba(255,106,31,.34),0 34px 66px -46px rgba(122,60,255,.95);
}

/* 8. 栅格 */
.stack-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.2vw,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-9{grid-column:span 9;}

/* 9. 横向卷轴 */
.rail{
  display:flex;gap:16px;align-items:stretch;
  overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-color:var(--violet-500) rgba(244,237,226,.07);
}
.rail > *{flex:0 0 clamp(238px,30vw,320px);scroll-snap-align:start;}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-track{background:rgba(244,237,226,.07);border-radius:99px;}
.rail::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--orange-500),var(--violet-500));border-radius:99px;}

/* 10. 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-family:var(--font-sans);font-size:15px;font-weight:700;line-height:1.3;
  text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--orange-500);color:#1B0A02;box-shadow:0 16px 32px -20px rgba(255,106,31,.95);}
.btn-primary:hover{background:#FF823F;border-color:var(--cyan-400);transform:translateY(-2px);}
.btn-violet{background:var(--violet-500);color:#F7F3FF;box-shadow:0 16px 32px -20px rgba(122,60,255,.95);}
.btn-violet:hover{background:#8E58FF;border-color:var(--cyan-400);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--text-paper);border-color:var(--line-dark);}
.btn-ghost:hover{color:var(--cyan-400);border-color:var(--cyan-400);background:rgba(47,227,214,.08);}
.btn-on-paper{background:var(--text-ink);color:var(--paper-100);}
.btn-on-paper:hover{background:var(--violet-500);color:#F7F3FF;border-color:var(--violet-500);}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-compact{padding:9px 16px;font-size:13px;}

/* 11. 面包屑 */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:0 0 22px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--muted-paper);
}
.crumbs li{display:inline-flex;align-items:center;gap:10px;}
.crumbs a{text-decoration:none;border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease);}
.crumbs a:hover{color:var(--cyan-400);border-bottom-color:var(--cyan-400);}
.crumbs-sep{color:var(--paper-400);opacity:.42;}
.crumbs [aria-current="page"]{color:var(--text-paper);}
.crumbs--ink{color:var(--muted-ink);}
.crumbs--ink [aria-current="page"]{color:var(--text-ink);}
.crumbs--ink a:hover{color:var(--violet-500);border-bottom-color:var(--violet-500);}

/* 12. 文字工具 */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-400);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7;}
.display{
  font-size:clamp(34px,5.4vw,62px);font-weight:900;line-height:1.06;
  letter-spacing:-.03em;margin:0 0 18px;
}
.section-title{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.14;
  letter-spacing:-.025em;margin:0 0 14px;
}
.lede{font-size:17px;line-height:1.8;color:var(--muted-paper);max-width:64ch;margin:0 0 20px;}
.mono-label{
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-paper);
}
.aside-note{
  border-left:2px solid var(--violet-500);padding:2px 0 2px 16px;
  margin:0 0 22px;font-size:14px;line-height:1.8;color:var(--muted-paper);
}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--cyan-400);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-more::after{content:"→";transition:transform .18s var(--ease);}
.link-more:hover{color:var(--text-paper);border-bottom-color:var(--cyan-400);}
.link-more:hover::after{transform:translateX(4px);}
.board--paper .link-more{color:var(--violet-500);}
.board--paper .link-more:hover{color:var(--text-ink);border-bottom-color:var(--violet-500);}

/* 13. 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted-paper);
}
.tag--orange{color:var(--orange-500);border-color:rgba(255,106,31,.42);background:rgba(255,106,31,.10);}
.tag--violet{color:#B79BFF;border-color:rgba(122,60,255,.48);background:rgba(122,60,255,.14);}
.tag--cyan{color:var(--cyan-400);border-color:rgba(47,227,214,.40);background:rgba(47,227,214,.10);}
.tag--gold{color:var(--gold-400);border-color:rgba(255,194,75,.40);background:rgba(255,194,75,.10);}
.board--paper .tag{color:var(--muted-ink);border-color:var(--line-paper);}
.board--paper .tag--violet{color:var(--violet-500);border-color:rgba(122,60,255,.34);background:rgba(122,60,255,.08);}
.board--paper .tag--orange{color:#C4400A;border-color:rgba(255,106,31,.42);background:rgba(255,106,31,.10);}

/* 14. 数据条 */
.stat-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));
  gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);
  border-radius:var(--r-md);overflow:hidden;
}
.stat{background:var(--ink-800);padding:18px 20px;}
.stat-num{
  display:block;font-family:var(--font-mono);font-size:26px;font-weight:700;
  letter-spacing:-.02em;line-height:1.2;color:var(--gold-400);
}
.stat-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-paper);
}

/* 15. 主题筛选 */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 20px;}
.filter-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-dark);color:var(--muted-paper);
  font-family:var(--font-sans);font-size:13px;font-weight:600;cursor:pointer;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.filter-btn:hover{color:var(--text-paper);border-color:var(--cyan-400);}
.filter-btn[aria-pressed="true"]{background:var(--violet-500);border-color:var(--violet-500);color:#F7F3FF;}
.filter-count{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;opacity:.7;}
.filter-status{
  margin:0 0 18px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.08em;color:var(--muted-paper);
}
[data-filter-item].is-hidden{display:none !important;}
.board--paper .filter-btn{color:var(--muted-ink);border-color:var(--line-paper);}
.board--paper .filter-btn:hover{color:var(--text-ink);border-color:var(--violet-500);}
.board--paper .filter-btn[aria-pressed="true"]{background:var(--violet-500);border-color:var(--violet-500);color:#F7F3FF;}
.board--paper .filter-status{color:var(--muted-ink);}

/* 16. 图片容器 */
.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border:1px solid var(--line-dark);border-radius:var(--r-md);
  background:
    radial-gradient(70% 80% at 20% 10%, rgba(122,60,255,.32), transparent 62%),
    radial-gradient(60% 70% at 88% 88%, rgba(255,106,31,.28), transparent 66%),
    var(--ink-900);
  aspect-ratio:16 / 10;
}
.media-frame > img,.media-frame > svg{display:block;width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,106,31,.20),transparent 46%,rgba(47,227,214,.18));
  mix-blend-mode:screen;
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--square{aspect-ratio:1 / 1;}

/* 17. 显现动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* 18. 页脚 */
.site-footer{
  position:relative;margin-top:clamp(48px,7vw,96px);
  background:var(--ink-800);border-top:1px solid var(--line-dark);color:var(--text-paper);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--orange-500),var(--violet-500) 46%,var(--cyan-400));
}
.footer-board{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:clamp(38px,5vw,72px) var(--pad) clamp(26px,3vw,44px);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1.6fr) minmax(0,1fr);
  gap:clamp(24px,3vw,56px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;}
.footer-kicker{
  margin:0 0 14px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gold-400);
}
.footer-title{font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.02em;line-height:1.28;margin:0 0 12px;}
.footer-note{margin:0 0 18px;font-size:14px;line-height:1.8;color:var(--muted-paper);max-width:38ch;}
.footer-note--small{font-size:12px;max-width:30ch;margin-bottom:0;}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.footer-col{min-width:0;}
.footer-col-title{
  margin:0 0 14px;font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-400);
}
.footer-list{display:grid;gap:10px;}
.footer-link{
  display:inline-block;font-size:14px;color:var(--muted-paper);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover{color:var(--text-paper);border-bottom-color:var(--orange-500);}
.footer-contact{display:grid;gap:14px;align-content:start;}
.contact-row{display:grid;gap:4px;min-width:0;}
.contact-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted-paper);
}
.contact-value{font-size:14px;color:var(--text-paper);word-break:break-word;}
.footer-base{border-top:1px solid var(--line-dark);}
.footer-base-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:18px var(--pad) 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 28px;
}
.footer-line,.footer-year{
  margin:0;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.08em;color:var(--muted-paper);
}

/* 19. 响应式 */
@media (max-width:1180px){
  .cmd-status{display:none;}
}
@media (max-width:1024px){
  :root{--pad:36px;}
  .footer-board{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);}
  .footer-contact{grid-column:1 / -1;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));}
  .footer-note--small{grid-column:1 / -1;}
}
@media (max-width:960px){
  :root{--pad:28px;--header-h:56px;}
  .nav-toggle{display:inline-flex;}
  .cmd-nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--ink-800);
    border-top:1px solid var(--line-dark);
    border-bottom:1px solid var(--line-dark);
    padding:0 var(--pad);
    max-height:0;opacity:0;visibility:hidden;overflow:hidden;
    transition:max-height .3s var(--ease),opacity .22s var(--ease),visibility .3s var(--ease),padding .22s var(--ease);
  }
  .cmd-nav[data-open]{
    max-height:76vh;opacity:1;visibility:visible;overflow-y:auto;
    padding:12px var(--pad) 18px;
    box-shadow:0 30px 46px -34px rgba(0,0,0,1);
  }
  .cmd-list{flex-direction:column;align-items:stretch;gap:2px;}
  .cmd-link{justify-content:flex-start;padding:13px 14px;border-radius:13px;font-size:15px;}
  .cmd-link[aria-current="page"]::after{margin-left:auto;}
  .brand-suffix{display:none;}
  .stack-grid > *{grid-column:1 / -1;}
  .footer-board{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-note{max-width:56ch;}
}
@media (max-width:720px){
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px;}
  .btn-compact{padding:8px 14px;font-size:12.5px;}
}
@media (max-width:560px){
  :root{--pad:20px;}
  body{font-size:15px;}
  .cmd-bar{gap:12px;}
  .brand-icon{width:34px;height:34px;border-radius:11px;font-size:14px;}
  .brand-name{font-size:15px;}
  .cmd-aside{gap:8px;}
  .btn-compact{padding:8px 12px;font-size:12px;}
  .nav-toggle{width:38px;height:38px;border-radius:11px;}
  .footer-cols{grid-template-columns:minmax(0,1fr);}
  .footer-base-inner{flex-direction:column;align-items:flex-start;}
  .lede{font-size:15.5px;}
}

/* 20. 降低动效偏好 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .rail{scroll-snap-type:none;}
}