/* ============================================================
   2278游戏安装包中心 — /assets/site.css
   共享外壳：命令栏头部、页脚、基础组件、响应式与动效降级
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#070B14;
  --ink-2:#0D1F22;
  --ink-3:#0A1620;
  --wine:#3A0D18;
  --cyan:#39FFD0;
  --orange:#FF7A1A;
  --magenta:#FF3B6B;
  --indigo:#6C5CE7;
  --indigo-soft:#A99CFF;
  --gray:#9AA4B2;
  --white:#F4F7FB;
  --acid:#D8FF3E;

  --text:#D3DAE4;
  --text-dim:#BAC4D1;
  --line:rgba(154,164,178,.24);
  --line-strong:rgba(154,164,178,.48);
  --line-cyan:rgba(57,255,208,.45);
  --line-orange:rgba(255,122,26,.45);
  --line-magenta:rgba(255,59,107,.45);

  --shadow-1:4px 4px 0 rgba(0,0,0,.45);
  --shadow-2:8px 8px 0 rgba(0,0,0,.5);
  --shadow-cyan:6px 6px 0 rgba(57,255,208,.16);
  --shadow-orange:6px 6px 0 rgba(255,122,26,.2);

  --f-head:"Oswald","Noto Sans SC Condensed","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --f-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --f-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;

  --wrap:1200px;
  --max:1440px;
  --gutter:clamp(16px,4vw,32px);
  --gap:clamp(16px,2vw,24px);
  --radius:2px;
  --ease:.16s ease;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,video,canvas{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;font-family:var(--f-head);font-weight:700;line-height:1.15;letter-spacing:-.02em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
table{border-collapse:collapse}
[id]{scroll-margin-top:118px}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--white);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1{font-size:clamp(2rem,5.2vw,4.4rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.6rem)}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 4. 布局工具 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(48px,7vw,96px);position:relative}
.section--tight{padding-block:clamp(28px,4vw,56px)}
.section--teal{background:var(--ink-2)}
.section--wine{background:var(--wine)}
.section--deep{background:#04070E}
.section--edge{border-block:1px solid var(--line)}
.section__head{max-width:62ch;margin-bottom:clamp(24px,3vw,40px)}
.section__title{margin:.35em 0 .4em}
.section__lead{color:var(--text-dim);font-size:15px;margin:0}

.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.kicker::before{content:"";width:22px;height:2px;background:var(--cyan);flex:0 0 auto}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.grid--split-rev{grid-template-columns:minmax(0,1fr) minmax(0,1.35fr)}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{
  position:absolute;top:-100px;left:12px;z-index:300;
  display:inline-block;padding:10px 18px;
  background:var(--acid);color:var(--ink);font-weight:700;
  border:2px solid var(--ink);border-radius:var(--radius);
  text-decoration:none;
}
.skip-link:focus,.skip-link:focus-visible{top:12px;text-decoration:none;outline-color:var(--white)}

/* ---------- 6. 头部：状态轨 + 命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--ink);
  border-bottom:1px solid var(--line-strong);
  transition:box-shadow var(--ease);
}
.site-header[data-scrolled]{box-shadow:0 12px 32px rgba(0,0,0,.6)}

.status-rail{background:var(--wine);border-bottom:1px solid var(--line-magenta)}
.status-rail__inner{
  display:flex;align-items:center;gap:10px;
  min-height:34px;padding-block:5px;
  font-size:12px;letter-spacing:.04em;
}
.status-dot{
  width:8px;height:8px;flex:0 0 auto;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(57,255,208,.18);
}
.status-text{color:var(--white);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.status-spacer{flex:1 1 auto}
.status-meta{font-size:11px;color:rgba(244,247,251,.62);white-space:nowrap}

.cmd-bar{position:relative;background:var(--ink);border-bottom:1px solid var(--line)}
.cmd-bar__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,22px);
  min-height:68px;
}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--white);text-decoration:none}
.brand:hover{text-decoration:none}
.brand__mark{
  display:inline-block;padding:6px 9px;
  font-family:var(--f-mono);font-weight:700;font-size:19px;line-height:1;
  color:var(--ink);background:var(--cyan);border:2px solid var(--cyan);
  box-shadow:4px 4px 0 rgba(57,255,208,.2);
}
.brand:hover .brand__mark{background:var(--acid);border-color:var(--acid);box-shadow:4px 4px 0 rgba(216,255,62,.22)}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__line{font-family:var(--f-head);font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--white);white-space:nowrap}
.brand__sub{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}

.cmd-nav{flex:1 1 auto;min-width:0;display:block}
.cmd-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.cmd-nav__item{display:block}
.cmd-nav__link{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px;font-size:13px;line-height:1.2;
  color:#C6D0DC;border:1px solid transparent;border-radius:var(--radius);
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.cmd-nav__link:hover{
  color:var(--white);background:var(--ink-2);
  border-color:var(--line-strong);text-decoration:none;transform:translateY(-1px);
}
.cmd-nav__index{font-size:10px;color:var(--cyan);opacity:.75}
.cmd-nav__link:hover .cmd-nav__index{opacity:1}
.cmd-nav__link[aria-current="page"]{
  color:var(--ink);background:var(--cyan);border-color:var(--cyan);font-weight:700;
}
.cmd-nav__link[aria-current="page"] .cmd-nav__index{color:var(--ink);opacity:.7}

.cmd-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;margin-left:auto}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  margin-left:auto;padding:9px 12px;
  font-family:var(--f-head);font-size:13px;letter-spacing:.04em;
  color:var(--white);background:var(--ink-2);
  border:2px solid var(--line-strong);border-radius:var(--radius);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--ink);background:var(--cyan)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* 阅读进度 */
.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:rgba(154,164,178,.14);z-index:2;pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;background:var(--cyan);box-shadow:0 0 12px rgba(57,255,208,.65)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 16px;
  font-family:var(--f-head);font-size:13px;font-weight:700;letter-spacing:.04em;line-height:1.2;
  border:2px solid transparent;border-radius:var(--radius);
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{text-decoration:none;transform:translate(-2px,-2px)}
.btn:active{transform:translate(0,0)}
.btn--primary{background:var(--orange);color:#1A0A00;border-color:var(--orange);box-shadow:4px 4px 0 rgba(255,122,26,.24)}
.btn--primary:hover{background:#FF8F3D;border-color:#FF8F3D;box-shadow:6px 6px 0 rgba(255,122,26,.28)}
.btn--ghost{background:transparent;color:var(--cyan);border-color:var(--line-cyan)}
.btn--ghost:hover{background:rgba(57,255,208,.12);border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.btn--wine{background:var(--wine);color:var(--white);border-color:var(--line-magenta)}
.btn--wine:hover{background:var(--magenta);color:#16030A;border-color:var(--magenta);box-shadow:6px 6px 0 rgba(255,59,107,.24)}
.btn--sm{padding:8px 12px;font-size:12px}
.btn--block{width:100%}

/* ---------- 8. 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--gray);border-top:1px solid var(--line-strong);position:relative}
.footer-rail{
  height:5px;opacity:.55;
  background:repeating-linear-gradient(90deg,
    var(--cyan) 0 3px, transparent 3px 9px,
    var(--cyan) 9px 10px, transparent 10px 22px,
    var(--cyan) 22px 26px, transparent 26px 40px);
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.5fr;
  gap:clamp(24px,3vw,40px);
  padding-block:clamp(36px,5vw,64px) clamp(28px,4vw,48px);
}
.footer__col{min-width:0}
.footer__brand{font-family:var(--f-head);font-size:18px;font-weight:700;color:var(--white);letter-spacing:-.01em;margin:0 0 12px}
.footer__desc{font-size:14px;line-height:1.75;color:var(--gray);max-width:40ch;margin:0}
.footer__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.footer__title{
  font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--white);margin:0 0 14px;
}
.footer__list{display:grid;gap:10px}
.footer__link{
  display:inline-block;font-size:14px;color:var(--gray);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.footer__link:hover{color:var(--cyan);border-bottom-color:var(--cyan);text-decoration:none}

.contact-list{display:grid;gap:12px}
.contact-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.contact-label{
  flex:0 0 auto;min-width:34px;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);
}
.contact-value{font-size:13px;color:var(--white);word-break:break-all;min-width:0}
.copy-chip{
  flex:0 0 auto;padding:3px 8px;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;
  color:var(--gray);background:transparent;
  border:1px solid var(--line-strong);border-radius:var(--radius);
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.copy-chip:hover{color:var(--ink);background:var(--acid);border-color:var(--acid)}
.copy-chip[data-copied]{color:var(--ink);background:var(--cyan);border-color:var(--cyan)}
.footer__note{font-size:12px;line-height:1.7;color:var(--gray);margin-top:14px}
.footer__bar{background:var(--ink-2);border-top:1px solid var(--line)}
.footer__bar-inner{display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between;padding-block:16px}
.footer__meta{margin:0;font-size:12px;letter-spacing:.02em;color:var(--gray)}

/* ---------- 9. 标签与徽标 ---------- */
.tag{
  display:inline-block;padding:4px 8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--gray);border:1px solid var(--line-strong);border-radius:var(--radius);
}
.tag--cyan{color:var(--cyan);border-color:var(--line-cyan)}
.tag--orange{color:var(--orange);border-color:var(--line-orange)}
.tag--indigo{color:var(--indigo-soft);border-color:rgba(108,92,231,.6)}
.badge{
  display:inline-block;padding:3px 7px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;
  border:1px solid currentColor;border-radius:var(--radius);
}
.badge--hot{color:var(--magenta)}
.badge--live{color:var(--cyan)}
.badge--ok{color:var(--acid)}

/* ---------- 10. 卡片与数据块 ---------- */
.card{
  display:flex;flex-direction:column;
  padding:clamp(16px,2vw,24px);
  background:var(--ink-2);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translate(-3px,-3px);border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.card--plate{border-width:2px;border-color:var(--line-strong)}
.card--wine{background:var(--wine);border-color:var(--line-magenta)}
.card--wine:hover{border-color:var(--magenta);box-shadow:6px 6px 0 rgba(255,59,107,.2)}
.card__label{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);margin:0 0 10px}
.card__title{font-family:var(--f-head);font-size:1.1rem;color:var(--white);margin:0 0 8px;letter-spacing:-.01em}
.card__text{margin:0;font-size:14px;line-height:1.7;color:var(--text-dim)}
.card__foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:16px}

.stat{display:flex;flex-direction:column;gap:6px}
.stat__num{
  font-family:var(--f-mono);font-weight:700;
  font-size:clamp(2.5rem,7vw,5.5rem);line-height:.95;letter-spacing:-.04em;
  color:var(--orange);
}
.stat__unit{font-family:var(--f-mono);font-size:.9rem;letter-spacing:.1em;color:var(--gray)}
.stat__label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-family:var(--f-mono);color:var(--gray)}

/* ---------- 11. 图片 / 视觉占位框 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  border:2px solid var(--line-strong);border-radius:var(--radius);
  background:
    linear-gradient(rgba(154,164,178,.10) 1px,transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg,rgba(154,164,178,.10) 1px,transparent 1px) 0 0/32px 32px,
    var(--ink-2);
  box-shadow:var(--shadow-2);
}
.media-frame__inner{position:relative;aspect-ratio:16/10;width:100%}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide .media-frame__inner{aspect-ratio:21/9}
.media-frame--square .media-frame__inner{aspect-ratio:1/1}
.media-frame--tall .media-frame__inner{aspect-ratio:3/4}
.media-frame__ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(154,164,178,.8);text-align:center;padding:16px;
}
.media-frame__cap{
  position:absolute;left:0;bottom:0;
  padding:7px 12px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--white);background:var(--wine);
  border-top:1px solid var(--line-magenta);border-right:1px solid var(--line-magenta);
}
.media-frame__tag{
  position:absolute;right:0;top:0;
  padding:6px 10px;
  font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:var(--cyan);
}

/* ---------- 12. 正文 / 面包屑 / 表格 ---------- */
.prose{max-width:44em;font-size:16px;line-height:1.85;color:var(--text)}
.prose h2,.prose h3{color:var(--white);margin-top:2em}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
.prose h3{font-size:clamp(1.1rem,1.8vw,1.35rem)}
.prose p{margin:0 0 1.2em}
.prose a{color:var(--cyan);border-bottom:1px solid var(--line-cyan)}
.prose strong{color:var(--white)}
.prose ul{list-style:square;padding-left:1.2em;margin:0 0 1.2em}
.prose ol{list-style:decimal;padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin-bottom:.5em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.crumb{background:var(--ink);border-bottom:1px solid var(--line)}
.crumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:14px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
}
.crumb__item{display:flex;align-items:center;gap:8px}
.crumb__link{color:var(--gray)}
.crumb__link:hover{color:var(--cyan);text-decoration:none}
.crumb__sep{color:rgba(154,164,178,.5)}
.crumb__item[aria-current="page"]{color:var(--white)}

.table-scroll{overflow-x:auto;border:1px solid var(--line);background:var(--ink-2);border-radius:var(--radius)}
.table{width:100%;min-width:640px;font-size:14px}
.table caption{text-align:left;padding:12px 16px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);background:rgba(57,255,208,.05)}
.table tbody tr:hover{background:rgba(154,164,178,.06)}

.note{
  padding:12px 16px;font-size:14px;line-height:1.75;color:var(--text);
  background:rgba(255,122,26,.07);border-left:3px solid var(--orange);border-radius:var(--radius);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--f-head);font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--cyan);
}
.link-arrow::after{content:"→";transition:transform var(--ease)}
.link-arrow:hover{text-decoration:none}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 13. 跨页悬浮胶囊 ---------- */
.float-capsule{
  position:fixed;right:20px;bottom:20px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;
  font-family:var(--f-head);font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--white);background:var(--wine);
  border:2px solid var(--magenta);border-radius:999px;
  box-shadow:0 12px 32px rgba(0,0,0,.6);
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.float-capsule:hover{background:var(--magenta);color:#16030A;text-decoration:none;transform:translateY(-2px)}
.float-capsule__dot{width:8px;height:8px;border-radius:50%;background:var(--acid);flex:0 0 auto}

/* ---------- 14. 进入视口显现 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .45s ease,transform .45s ease}
.reveal.is-visible{opacity:1;transform:none}
.reveal--d1{transition-delay:.06s}
.reveal--d2{transition-delay:.12s}
.reveal--d3{transition-delay:.18s}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1200px){
  .brand__sub{display:none}
  .cmd-nav__link{padding:8px 8px;font-size:12px}
}

@media (max-width:1024px){
  .cmd-bar__inner{min-height:62px}
  .nav-toggle{display:inline-flex}
  .cmd-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex:0 0 auto;
    padding:14px var(--gutter) 20px;
    background:var(--ink-2);
    border-bottom:2px solid var(--cyan);
    box-shadow:0 18px 40px rgba(0,0,0,.65);
  }
  .cmd-nav[data-open]{display:block}
  .cmd-nav__list{flex-direction:column;align-items:stretch;gap:4px;flex-wrap:nowrap}
  .cmd-nav__link{
    padding:12px 12px;font-size:15px;
    background:rgba(255,255,255,.02);border-color:var(--line);
  }
  .cmd-nav__link:hover{transform:none;background:var(--ink)}
  .cmd-nav__link[aria-current="page"]{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}
  .cmd-actions{margin-left:auto}
  .footer__grid{grid-template-columns:1fr 1fr}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--split,.grid--split-rev{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:760px){
  html{scroll-behavior:auto}
  .status-meta{display:none}
  .status-text{font-size:11px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bar-inner{flex-direction:column;gap:6px}
  .float-capsule{right:12px;bottom:12px;padding:9px 14px;font-size:12px}
  .media-frame__inner{aspect-ratio:4/3}
  .media-frame--wide .media-frame__inner{aspect-ratio:16/9}
}

@media (max-width:600px){
  .brand__text{display:none}
  .cmd-actions .btn{padding:9px 10px;font-size:12px}
  .nav-toggle__label{display:none}
  .nav-toggle{padding:9px 10px}
}

@media (max-width:420px){
  .cmd-actions .btn--ghost{display:none}
}

/* ---------- 16. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1 !important;transform:none !important}
  .btn:hover,.card:hover,.cmd-nav__link:hover,.float-capsule:hover{transform:none}
}