/* ============================================================
   TP钱包指南 · 共享样式表 /assets/site.css
   深空底 + 电光青 + 品牌橙 + 奶油纸编辑层
   ============================================================ */

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

/* ---------- 2. 设计变量 ---------- */
:root{
  --void:#070B14;
  --rail-bg:#0E1626;
  --slab:#16213A;
  --text:#E8EDF5;
  --text-dim:#93A3B8;
  --text-mute:#6C7C93;
  --cyan:#2FE3C8;
  --orange:#FF7A2F;
  --violet:#A24BF0;
  --paper:#F3E9D2;
  --paper-ink:#2A1B12;
  --errata:#E4573D;
  --line:#26364F;
  --line-soft:rgba(38,54,79,.62);
  --rail-w:252px;
  --sync-h:34px;
  --radius:10px;
  --gap:clamp(16px,2.4vw,28px);
  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-editorial:Georgia,"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

/* ---------- 3. 基线与中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--void);
  background-image:
    radial-gradient(900px 480px at 12% -6%, rgba(47,227,200,.07), transparent 62%),
    radial-gradient(760px 420px at 88% 4%, rgba(162,75,240,.07), transparent 60%),
    radial-gradient(640px 640px at 72% 104%, rgba(255,122,47,.05), transparent 66%);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.28;color:#fff}
h1{font-size:clamp(30px,4.4vw,44px)}
h2{font-size:clamp(22px,2.8vw,28px)}
h3{font-size:18px;font-weight:700}
p{margin:0 0 .9em}
strong{color:#fff;font-weight:700}
::selection{background:rgba(47,227,200,.3);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--font-mono);font-size:.94em;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.divider{border:0;height:1px;background:var(--line);margin:clamp(22px,3vw,36px) 0}

/* ---------- 4. 骨架容器 ---------- */
.shell{
  margin-inline-start:var(--rail-w);
  padding:calc(var(--sync-h) + clamp(22px,3.6vw,48px)) clamp(18px,4vw,56px) clamp(48px,7vw,96px);
}
.wrap{width:100%;max-width:1180px;margin-inline:auto}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:-120px;left:14px;z-index:120;
  padding:10px 16px;background:var(--paper);color:var(--paper-ink);
  font-weight:700;font-size:14px;border-radius:0 0 8px 8px;
  border:1px solid rgba(42,27,18,.35);
}
.skip-link:focus{top:0}

/* ---------- 6. 页头 / 状态条 ---------- */
.site-header{position:relative;z-index:60}
.sync-bar{
  position:fixed;top:0;left:0;right:0;height:var(--sync-h);z-index:65;
  display:flex;align-items:center;gap:12px;
  padding-inline:clamp(12px,2vw,22px);
  background:linear-gradient(90deg,rgba(14,22,38,.98),rgba(7,11,20,.98));
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:var(--text-mute);
  white-space:nowrap;overflow:hidden;
}
.sync-bar__dot{
  flex:0 0 auto;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 0 rgba(47,227,200,.55);
  animation:sync-pulse 2.6s ease-in-out infinite;
}
@keyframes sync-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(47,227,200,.5);opacity:1}
  50%{box-shadow:0 0 0 6px rgba(47,227,200,0);opacity:.65}
}
.sync-bar__text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;color:var(--text-dim)}
.sync-bar__note{flex:0 0 auto;color:var(--text-mute)}
.scroll-progress{
  position:fixed;left:0;right:0;top:var(--sync-h);height:2px;z-index:64;
  pointer-events:none;background:transparent;
}
.scroll-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 55%,var(--orange));
  transition:width .12s linear;
}

/* ---------- 7. 品牌轨道 ---------- */
.rail{
  position:fixed;top:var(--sync-h);left:0;bottom:0;width:var(--rail-w);z-index:58;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 18px 20px;
  background:linear-gradient(180deg,var(--rail-bg),#0A1120);
  border-right:1px solid var(--line);
  overflow-y:auto;overscroll-behavior:contain;
}
.rail::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;pointer-events:none;
  background:linear-gradient(180deg,var(--cyan),var(--violet) 56%,var(--orange));
  opacity:.5;
}
.rail__top{display:flex;align-items:center;gap:12px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand__mark{
  flex:0 0 auto;width:40px;height:40px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--cyan);
  border:1px solid rgba(47,227,200,.55);border-radius:7px;
  background:linear-gradient(150deg,rgba(47,227,200,.16),rgba(162,75,240,.14) 70%);
}
.brand__mark--flat{width:34px;height:34px;font-size:12px;border-radius:6px}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:-.01em;color:#fff;line-height:1.3}
.brand__tagline{font-size:11.5px;color:var(--text-mute);line-height:1.5;letter-spacing:.02em}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;border:1px solid var(--line);border-radius:8px;
  background:var(--slab);color:var(--text-dim);cursor:pointer;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
}
.nav-toggle:hover{color:var(--cyan);border-color:rgba(47,227,200,.5)}
.nav-toggle__bars{
  display:block;width:16px;height:2px;background:currentColor;
  box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;
}
.nav-toggle[aria-expanded="true"]{color:var(--orange);border-color:rgba(255,122,47,.5)}
.rail__nav{font-size:15px}
.nav-list{counter-reset:rail;display:flex;flex-direction:column;gap:2px}
.nav-list li{counter-increment:rail}
.nav-list a{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px 9px 14px;border-radius:7px;
  color:var(--text-dim);font-weight:600;letter-spacing:.01em;
  transition:color .18s ease,background-color .18s ease;
}
.nav-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--orange);border-radius:2px;
  transition:height .18s ease;
}
.nav-list a::after{
  content:counter(rail,decimal-leading-zero);
  font-family:var(--font-mono);font-size:11px;color:var(--text-mute);opacity:.7;
}
.nav-list a:hover{color:var(--text);background:var(--slab)}
.nav-list a:hover::before{height:52%}
.nav-list a[aria-current="page"]{color:#fff;background:var(--slab)}
.nav-list a[aria-current="page"]::before{height:100%;background:linear-gradient(180deg,var(--orange),var(--errata))}
.nav-list a[aria-current="page"]::after{color:var(--orange);opacity:1}
.rail__quick{display:flex;flex-direction:column;gap:10px}
.rail__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--text-mute);margin:0;
}
.quick-list{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-block;padding:6px 11px;border-radius:999px;
  border:1px solid var(--line);background:var(--slab);
  color:var(--text-dim);font-size:12.5px;line-height:1.4;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.chip:hover{color:var(--cyan);border-color:rgba(47,227,200,.55);background:rgba(47,227,200,.08)}
.rail__foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line-soft);
  display:flex;flex-direction:column;gap:4px;
}
.rail__meta{
  margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--text-mute);
}

/* ---------- 8. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:8px;border:1px solid var(--line);
  background:var(--slab);color:var(--text);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-1px);border-color:rgba(47,227,200,.5)}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#1A0A02}
.btn--primary:hover{background:#FF8C4A;border-color:#FF8C4A}
.btn--ghost{background:transparent;border-color:rgba(47,227,200,.55);color:var(--cyan)}
.btn--ghost:hover{background:rgba(47,227,200,.1)}
.btn--quiet{background:transparent;border-color:transparent;color:var(--text-dim);padding-inline:6px}
.btn--quiet:hover{color:var(--cyan);transform:none}

/* ---------- 9. 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--text-dim);margin-bottom:16px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"／";color:var(--line);font-family:var(--font-mono)}
.crumbs a{color:var(--text-dim);border-bottom:1px dotted var(--line);transition:color .18s ease,border-color .18s ease}
.crumbs a:hover{color:var(--cyan);border-color:var(--cyan)}
.crumbs [aria-current="page"]{color:#fff}

/* ---------- 10. 章节头与导语 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 16px;
  padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:20px;
}
.section-head__kicker{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--cyan);
}
.section-head__title{margin:0}
.section-head__note{margin-inline-start:auto;font-size:13px;color:var(--text-mute)}
.lead{font-size:17.5px;line-height:1.8;color:#C9D5E6;max-width:70ch}

/* ---------- 11. 正文排版 ---------- */
.prose{max-width:70ch}
.prose p{margin:0 0 1em}
.prose h2{font-size:clamp(20px,2.4vw,24px);margin:1.7em 0 .55em}
.prose h3{font-size:18px;margin:1.4em 0 .45em}
.prose ul,.prose ol{padding-inline-start:1.25em;margin:0 0 1em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.35em 0}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.prose code{
  font-family:var(--font-mono);font-size:.92em;
  background:var(--slab);border:1px solid var(--line);border-radius:4px;padding:1px 6px;
}

/* ---------- 12. 网格 ---------- */
.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--aside{grid-template-columns:minmax(0,1.9fr) minmax(0,.95fr);align-items:start}

/* ---------- 13. 面板 / 纸卡 / 标签 / 数字块 ---------- */
.panel{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--rail-bg);overflow:hidden;
}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 14px;
  padding:12px 16px;background:var(--slab);border-bottom:1px solid var(--line);
}
.panel__title{font-size:15px;font-weight:800;letter-spacing:.01em;margin:0}
.panel__meta{font-family:var(--font-mono);font-size:11.5px;color:var(--text-mute);letter-spacing:.04em}
.panel__body{padding:16px}
.paper{
  background:var(--paper);color:var(--paper-ink);
  border-radius:8px;padding:18px 18px 16px;
  font-family:var(--font-editorial);
  box-shadow:0 2px 0 rgba(0,0,0,.4);
}
.paper__label{
  display:inline-block;margin-bottom:10px;padding-bottom:3px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  border-bottom:1px solid rgba(42,27,18,.35);
}
.paper__title{font-family:var(--font-editorial);font-size:20px;line-height:1.4;color:var(--paper-ink);margin:0 0 8px}
.paper__text{margin:0;font-size:15px;line-height:1.72}
.paper a{color:#8A2B14;text-decoration:underline;text-underline-offset:3px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:999px;border:1px solid var(--line);
  background:var(--slab);color:var(--text-dim);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;line-height:1.6;
}
.tag--cyan{color:var(--cyan);border-color:rgba(47,227,200,.45);background:rgba(47,227,200,.08)}
.tag--orange{color:#FFB183;border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.1)}
.tag--violet{color:#CDA4FF;border-color:rgba(162,75,240,.5);background:rgba(162,75,240,.12)}
.tag--errata{font-family:var(--font-editorial);color:#FFD8CE;border-color:rgba(228,87,61,.6);background:rgba(228,87,61,.2)}
.stat{
  padding:14px 16px;border:1px solid var(--line);border-inline-start:3px solid var(--cyan);
  border-radius:8px;background:var(--rail-bg);
}
.stat__value{display:block;font-family:var(--font-mono);font-size:25px;line-height:1.3;color:#fff}
.stat__label{display:block;font-size:13px;color:var(--text-dim)}
.stat--orange{border-inline-start-color:var(--orange)}
.stat--violet{border-inline-start-color:var(--violet)}

/* ---------- 14. 表格 / 折叠 / 步骤 / 提示 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--rail-bg);overflow-x:auto;
}
.table{width:100%;min-width:560px;border-collapse:collapse;font-size:15px}
.table caption{
  padding:11px 16px;text-align:left;font-family:var(--font-editorial);
  font-size:13px;color:var(--text-dim);border-bottom:1px solid var(--line);
}
.table th,.table td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft)}
.table thead th{background:var(--slab);font-size:13px;font-weight:700;color:#C4D0E2;letter-spacing:.04em}
.table tbody tr:nth-child(even){background:rgba(22,33,58,.45)}
.table tbody tr:hover{background:rgba(47,227,200,.07);box-shadow:inset 3px 0 0 var(--cyan)}
.table tbody tr:last-child td{border-bottom:0}
.fold{
  border:1px solid var(--line);border-radius:8px;background:var(--rail-bg);
  margin-bottom:10px;overflow:hidden;
}
.fold__summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 16px;background:var(--slab);cursor:pointer;
  font-family:var(--font-display);font-weight:700;font-size:15.5px;color:var(--text);
  list-style:none;
}
.fold__summary::-webkit-details-marker{display:none}
.fold__summary::after{content:"＋";font-family:var(--font-mono);color:var(--cyan)}
.fold[open] .fold__summary::after{content:"－";color:var(--orange)}
.fold[open] .fold__summary{border-bottom:1px solid var(--line)}
.fold__body{padding:14px 16px 6px;font-size:15px;color:#C6D2E3}
.steps{counter-reset:step;display:flex;flex-direction:column;gap:10px}
.steps__item{
  position:relative;counter-increment:step;
  padding:14px 16px 14px 58px;
  border:1px solid var(--line);border-radius:8px;background:var(--rail-bg);
}
.steps__item::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:14px;top:14px;
  padding:1px 6px;border:1px solid rgba(255,122,47,.45);border-radius:6px;
  font-family:var(--font-mono);font-size:12px;color:var(--orange);
}
.callout{
  padding:14px 16px;border:1px solid rgba(228,87,61,.5);border-radius:8px;
  background:rgba(228,87,61,.1);font-size:14.5px;color:#F2DCD5;
}
.callout__title{font-family:var(--font-editorial);font-size:15px;color:#FFD8CE;margin:0 0 6px}

/* ---------- 15. 图片容器 ---------- */
.media{
  margin:0;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(140deg,var(--slab),var(--rail-bg));overflow:hidden;
}
.media__frame{
  position:relative;aspect-ratio:16/9;display:grid;place-items:center;
  background-image:
    linear-gradient(0deg,rgba(47,227,200,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,227,200,.06) 1px,transparent 1px);
  background-size:30px 30px;
}
.media__frame img{width:100%;height:100%;object-fit:cover}
.media__frame:empty::after{
  content:attr(data-placeholder);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--text-mute);
}
.media__caption{
  padding:10px 14px;border-top:1px solid var(--line);
  background:rgba(14,22,38,.92);font-size:13px;color:var(--text-dim);
}
.media--wide .media__frame{aspect-ratio:21/9}
.media--square .media__frame{aspect-ratio:1/1}
.media--tall .media__frame{aspect-ratio:4/5}

/* ---------- 16. 页脚 ---------- */
.site-footer{
  position:relative;margin-inline-start:var(--rail-w);
  padding:clamp(30px,4vw,52px) clamp(18px,4vw,56px) 26px;
  background:linear-gradient(180deg,rgba(14,22,38,.96),rgba(7,11,20,.99));
}
.site-footer::before{
  content:"";position:absolute;inset-inline:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 52%,var(--orange));
  opacity:.55;
}
.footer__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr);gap:clamp(24px,3.4vw,44px)}
.footer__brand{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.footer__name{font-family:var(--font-display);font-weight:800;font-size:17px;color:#fff;margin:6px 0 0}
.footer__tagline{font-size:13px;color:var(--text-dim);margin:0}
.footer__note{font-size:12.5px;color:var(--text-mute);margin:0;max-width:30ch}
.footer__nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.footer__heading{
  margin:0 0 8px;padding-bottom:6px;border-bottom:1px solid var(--line);
  font-family:var(--font-editorial);font-size:13.5px;font-weight:700;
  letter-spacing:.08em;color:var(--cyan);
}
.footer__list{display:flex;flex-direction:column;gap:2px}
.footer__list a{
  display:inline-block;font-size:14px;color:var(--text-dim);
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.footer__list a:hover{color:#fff;border-color:var(--cyan)}
.footer__meta{
  grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:6px 22px;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-mute);
}
.footer__meta p{margin:0}
.footer__contact{font-family:var(--font-mono);letter-spacing:.02em}
.footer__legal{margin-inline-start:auto}
.footer__legal a{color:var(--text-dim);border-bottom:1px solid var(--line)}
.footer__legal a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 17. 交互辅助 ---------- */
.has-js [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .45s ease,transform .45s ease}
.has-js [data-reveal].is-visible{opacity:1;transform:none}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:70;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border:1px solid var(--line);border-radius:999px;
  background:rgba(14,22,38,.95);color:var(--text-dim);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;cursor:pointer;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,color .18s ease,border-color .18s ease;
}
.to-top[data-active="true"]{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{color:var(--cyan);border-color:rgba(47,227,200,.5)}

/* ---------- 18. 响应式 ---------- */
@media (max-width:1080px){
  :root{--rail-w:224px}
}
@media (max-width:980px){
  :root{--rail-w:0px}
  .sync-bar{font-size:11px;gap:9px}
  .sync-bar__note{display:none}
  .rail{
    top:var(--sync-h);left:0;right:0;bottom:auto;width:auto;
    flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;
    padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);
    max-height:calc(100vh - var(--sync-h));
  }
  .rail__top{flex:1 1 auto;min-width:0}
  .brand__tagline{display:none}
  .nav-toggle{display:inline-flex}
  .rail__nav,.rail__quick,.rail__foot{display:none;flex:1 1 100%;width:100%}
  .rail__nav{padding-top:6px;border-top:1px dashed var(--line-soft)}
  .rail[data-open="true"]{box-shadow:0 20px 44px rgba(0,0,0,.55)}
  .rail[data-open="true"] .rail__nav,
  .rail[data-open="true"] .rail__quick,
  .rail[data-open="true"] .rail__foot{display:flex;flex-direction:column}
  .rail[data-open="true"] .rail__quick .quick-list{display:flex;flex-direction:row}
  .nav-list a{padding:10px 12px 10px 14px}
  .shell{margin-inline-start:0;padding-top:calc(var(--sync-h) + 84px)}
  .site-footer{margin-inline-start:0}
  .footer__inner{grid-template-columns:minmax(0,1fr)}
  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__legal{margin-inline-start:0;flex-basis:100%}
  .grid--aside{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  body{font-size:15.5px}
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .grid--2{grid-template-columns:minmax(0,1fr)}
  .section-head__note{margin-inline-start:0;flex-basis:100%}
  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .grid{gap:14px}
  .table{min-width:480px}
  .paper{padding:15px}
  .to-top{right:12px;bottom:12px}
}

/* ---------- 19. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html:focus-within{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .sync-bar__dot{animation:none;opacity:1;box-shadow:none}
  .scroll-progress span{transition:none}
  .has-js [data-reveal]{opacity:1;transform:none}
  .btn:hover{transform:none}
}