/* ==========================================================================
   365赔率站 · 帮助中心 — 共享样式表 /assets/site.css
   深靛蓝档案馆：细线、网格、双版本标识色
   ========================================================================== */

/* ---------- 01 设计变量 ---------- */
:root{
  --indigo-900:#060B18;
  --indigo-800:#0A1129;
  --indigo-700:#101A3A;
  --indigo-600:#1E2C55;
  --mist:#F4F6FB;
  --silver:#C7D2E8;
  --slate:#56699A;
  --cyan:#35E1D0;
  --amber:#F2A03D;
  --alert:#FF6B6B;

  --bg:var(--indigo-700);
  --bg-deep:var(--indigo-800);
  --bg-raise:var(--indigo-600);
  --ink:var(--mist);
  --ink-soft:var(--silver);
  --ink-dim:var(--slate);
  --line:rgba(199,210,232,.16);
  --line-strong:rgba(199,210,232,.34);
  --accent-new:var(--cyan);
  --accent-old:var(--amber);

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,"Courier New",monospace;

  --wrap:1320px;
  --gutter:clamp(20px,4vw,56px);
  --header-h:72px;
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --fs-body:16px;
  --display-xl:clamp(38px,7.4vw,88px);
  --display-l:clamp(28px,4.6vw,54px);
  --display-m:clamp(21px,2.6vw,32px);
}
@media (max-width:760px){
  :root{
    --fs-body:15px;
    --header-h:64px;
    --display-xl:clamp(32px,10.5vw,46px);
    --display-l:clamp(25px,7.6vw,34px);
    --display-m:clamp(19px,5.4vw,24px);
  }
}

/* ---------- 02 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;border-spacing:0}

/* ---------- 03 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    radial-gradient(1200px 640px at 78% -12%, rgba(53,225,208,.10), transparent 68%),
    radial-gradient(900px 520px at 6% -6%, rgba(242,160,61,.07), transparent 66%),
    linear-gradient(to right, rgba(199,210,232,.05) 1px, transparent 1px);
  background-repeat:no-repeat,no-repeat,repeat;
  background-size:100% 100%,100% 100%,112px 100%;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.08;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--ink);
}
h1{font-size:var(--display-xl)}
h2{font-size:var(--display-l)}
h3{font-size:var(--display-m)}
h4{font-size:clamp(17px,1.5vw,20px);letter-spacing:.08em}
strong{font-weight:600;color:var(--ink)}
small{font-size:12px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:0}
::selection{background:rgba(53,225,208,.28);color:var(--mist)}

/* ---------- 04 通用工具 ---------- */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding:clamp(44px,6vw,96px) 0}
.section--ruled{border-top:1px solid var(--line)}
.mono{font-family:var(--font-mono);font-size:.92em;letter-spacing:.02em}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--ink-dim);
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;flex:0 0 auto}
.lede{max-width:62ch;font-size:clamp(16px,1.5vw,19px);line-height:1.8;color:var(--ink-soft)}
.prose{max-width:72ch}
.prose p+p{margin-top:1.1em}
.prose ul,.prose ol{margin-top:1em;padding-left:1.2em;list-style:disc}
.prose li+li{margin-top:.4em}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.4em}
.divider{height:1px;border:0;background:var(--line);margin:clamp(22px,3vw,40px) 0}
.divider--flow{
  background:linear-gradient(90deg,transparent,var(--amber),rgba(199,210,232,.25),var(--cyan),transparent);
  background-size:220% 100%;animation:flow-line 14s linear infinite;
}
@keyframes flow-line{from{background-position:0 0}to{background-position:-220% 0}}
.breadcrumbs{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-dim);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumbs li{display:flex;align-items:center;gap:10px}
.breadcrumbs li+li::before{content:"/";color:var(--line-strong)}
.breadcrumbs a{border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan);border-bottom-color:currentColor}
.breadcrumbs [aria-current="page"]{color:var(--ink)}

/* 栅格 */
.grid{display:grid;gap:clamp(18px,2.6vw,34px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--split{grid-template-columns:minmax(0,1fr) minmax(0,1.35fr)}
.layout-rail{display:grid;grid-template-columns:clamp(0px,9vw,120px) minmax(0,1fr);gap:clamp(16px,3vw,48px);align-items:start}
.annotation{position:sticky;top:calc(var(--header-h) + 28px)}
.annotation__text{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--ink-dim);
  max-height:46vh;overflow:hidden;
}

/* 明暗分区 */
.panel-light{background:var(--mist);color:var(--indigo-800);padding:clamp(22px,3vw,42px);border-radius:var(--radius)}
.panel-light h1,.panel-light h2,.panel-light h3,.panel-light h4{color:var(--indigo-900)}
.panel-light .eyebrow,.panel-light .card__kicker,.panel-light .card__meta,.panel-light .timeline__date{color:var(--slate)}
.panel-light .lede{color:var(--indigo-600)}
.panel-light .card{background:rgba(255,255,255,.75);border-color:rgba(16,26,58,.14)}
.panel-light .table-scroll{border-color:rgba(16,26,58,.14);background:#fff}
.panel-light .data-table th,.panel-light .data-table td{border-bottom-color:rgba(16,26,58,.12)}
.panel-light .data-table thead th{background:rgba(16,26,58,.05);color:var(--slate)}
.panel-light .data-table tbody tr:hover{background:rgba(53,225,208,.12)}
.panel-light .timeline{border-left-color:rgba(16,26,58,.16)}
.panel-deep{background:var(--bg-deep);border:1px solid var(--line);padding:clamp(22px,3vw,42px);border-radius:var(--radius)}

/* ---------- 05 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:transparent;color:var(--ink);
  font-family:var(--font-body);font-size:13px;letter-spacing:.12em;line-height:1;white-space:nowrap;
  cursor:pointer;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:var(--indigo-900)}
.btn--primary:hover{background:#5FEADC;border-color:#5FEADC;color:var(--indigo-900)}
.btn--primary:focus-visible{outline-color:var(--mist)}
.btn--legacy{border-color:rgba(242,160,61,.55);color:var(--amber)}
.btn--legacy:hover{background:rgba(242,160,61,.12);border-color:var(--amber);color:#FFBB6B}
.btn--quiet{border-color:var(--line);color:var(--ink-soft)}
.btn--quiet:hover{border-color:var(--line-strong);color:var(--ink)}

/* ---------- 06 标签、卡片、表格、时间线 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:4px 10px;
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(30,44,85,.42);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-soft);
}
.tag::before{content:"";width:6px;height:6px;background:currentColor;flex:0 0 auto}
.tag--new{color:var(--cyan);border-color:rgba(53,225,208,.42);background:rgba(53,225,208,.08)}
.tag--legacy{color:var(--amber);border-color:rgba(242,160,61,.42);background:rgba(242,160,61,.08)}
.tag--alert{color:var(--alert);border-color:rgba(255,107,107,.42);background:rgba(255,107,107,.08)}

.card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:clamp(18px,2.4vw,30px);
  background:linear-gradient(180deg,rgba(30,44,85,.62),rgba(16,26,58,.28));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.card__kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim)}
.card__title{font-family:var(--font-display);font-size:var(--display-m);line-height:1.2;letter-spacing:.04em}
.card__meta{margin-top:auto;font-family:var(--font-mono);font-size:12px;color:var(--ink-dim)}

.table-scroll{overflow-x:auto;border:1px solid var(--line);background:rgba(30,44,85,.32);border-radius:var(--radius)}
.data-table{width:100%;min-width:540px;font-size:14px}
.data-table caption{
  caption-side:top;text-align:left;padding:14px 16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-dim);border-bottom:1px solid var(--line);
}
.data-table th,.data-table td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.data-table thead th{
  font-family:var(--font-mono);font-weight:400;font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-dim);background:rgba(6,11,24,.5);
}
.data-table tbody tr{transition:background-color .2s var(--ease)}
.data-table tbody tr:hover{background:rgba(53,225,208,.06)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table__num{font-family:var(--font-mono);color:var(--ink-soft);white-space:nowrap}

.timeline{position:relative;padding-left:22px;border-left:1px solid var(--line)}
.timeline__item{position:relative;padding:0 0 clamp(20px,3vw,34px) clamp(12px,2vw,24px)}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:-27px;top:8px;width:9px;height:9px;
  background:var(--bg);border:1px solid var(--slate);transform:rotate(45deg);
}
.timeline__item--new::before{border-color:var(--cyan);background:var(--cyan)}
.timeline__item--legacy::before{border-color:var(--amber);background:var(--amber)}
.timeline__date{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--ink-dim)}
.timeline__title{margin-top:6px;font-family:var(--font-display);font-size:var(--display-m);line-height:1.2}

/* 图片容器基础规则 */
.media{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-raise);aspect-ratio:16/10;
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;padding:10px 14px;
  background:linear-gradient(180deg,transparent,rgba(6,11,24,.85));
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);
}

/* ---------- 07 头部 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-180%);
  padding:10px 16px;background:var(--cyan);color:var(--indigo-900);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;border-radius:var(--radius);
  transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);outline-color:var(--mist)}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,17,41,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.scroll-progress{
  position:absolute;top:0;left:0;right:0;height:2px;pointer-events:none;background:transparent;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--amber),var(--cyan));
}
.header-rail{
  display:flex;align-items:center;gap:clamp(16px,2.4vw,40px);
  width:100%;max-width:var(--wrap);margin:0 auto;
  min-height:var(--header-h);padding:12px var(--gutter);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink)}
.brand__mark{
  display:inline-block;padding:5px 8px;line-height:1;
  border:1px solid var(--line-strong);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:14px;letter-spacing:.08em;color:var(--ink);
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.brand:hover .brand__mark{border-color:var(--cyan);color:var(--cyan)}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-family:var(--font-display);font-size:16px;letter-spacing:.16em;text-transform:uppercase}
.brand__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-dim)}

.header-stream{display:flex;align-items:center;gap:14px;flex:1 1 auto;min-width:0;overflow:hidden}
.header-stream__line{
  flex:1 1 auto;height:1px;min-width:24px;
  background:linear-gradient(90deg,transparent,rgba(199,210,232,.32) 18%,rgba(53,225,208,.55) 52%,rgba(242,160,61,.55) 76%,transparent);
  background-size:220% 100%;
  animation:stream 16s linear infinite;
}
@keyframes stream{from{background-position:0 0}to{background-position:-220% 0}}
.header-stream__label{
  flex:0 0 auto;font-family:var(--font-mono);font-size:10px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--ink-dim);white-space:nowrap;
}

.nav-toggle{
  display:none;align-items:center;gap:9px;flex:0 0 auto;
  padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);
  color:var(--ink);cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:9px}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform .25s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}

.site-nav{display:flex;align-items:center;gap:clamp(14px,2vw,32px);flex:0 0 auto}
.site-nav__list{display:flex;align-items:center;gap:clamp(10px,1.5vw,24px)}
.site-nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:6px 0;color:var(--ink-soft);white-space:nowrap;
  font-size:13px;letter-spacing:.1em;
  transition:color .25s var(--ease);
}
.site-nav__link::before{
  content:attr(data-idx);
  font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;color:var(--ink-dim);
  transform:translateY(-5px);
  transition:color .25s var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:linear-gradient(90deg,var(--amber),var(--cyan));
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.site-nav__link:hover{color:var(--ink)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link:hover::before{color:var(--ink-soft)}
.site-nav__link[aria-current="page"]{color:var(--ink)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]::before{color:var(--cyan)}
.nav-actions{
  display:flex;align-items:center;gap:10px;
  padding-left:clamp(10px,1.5vw,24px);border-left:1px solid var(--line);
}

/* ---------- 08 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,10vw,150px);
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  color:var(--ink-soft);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--amber) 0%,rgba(199,210,232,.16) 46%,var(--cyan) 100%);
  opacity:.75;
}
.site-footer__inner{
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(44px,6vw,84px) var(--gutter) clamp(22px,3vw,34px);
}
.footer-ledger{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.5fr);
  gap:clamp(28px,5vw,72px);
  padding-bottom:clamp(28px,4vw,48px);
  border-bottom:1px solid var(--line);
}
.footer-brand__mark{
  font-family:var(--font-display);font-size:clamp(19px,2vw,24px);
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink);
}
.footer-brand__note{margin-top:14px;max-width:36ch;font-size:14px;line-height:1.85;color:var(--ink-dim)}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:clamp(20px,3vw,40px)}
.footer-col__title{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-weight:400;font-size:11px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--ink-dim);
}
.footer-col__title::before{content:"";width:14px;height:1px;background:currentColor;flex:0 0 auto}
.footer-col__list{display:flex;flex-direction:column;gap:11px;margin-top:16px}
.footer-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-soft);
  transition:color .25s var(--ease);
}
.footer-link::after{
  content:"";width:0;height:1px;background:var(--cyan);
  transition:width .25s var(--ease);
}
.footer-link:hover{color:var(--ink)}
.footer-link:hover::after{width:16px}
.footer-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:clamp(18px,2.4vw,26px) 0;
  border-bottom:1px solid var(--line);
}
.footer-tags__note{
  margin-left:auto;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;color:var(--ink-dim);
}
.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:clamp(16px,2.4vw,32px);
  padding:clamp(20px,3vw,32px) 0;
  border-bottom:1px solid var(--line);
}
.footer-contact__item{display:flex;flex-direction:column;gap:6px;min-width:0}
.footer-contact__label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--ink-dim);
}
.footer-contact__value{font-size:14px;line-height:1.7;color:var(--ink-soft);overflow-wrap:anywhere}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 28px;padding-top:clamp(18px,2.4vw,26px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--ink-dim);
}
.footer-baseline{
  height:2px;margin-top:22px;
  background:linear-gradient(90deg,transparent,rgba(242,160,61,.5) 18%,rgba(199,210,232,.22) 50%,rgba(53,225,208,.5) 82%,transparent);
}

/* ---------- 09 动效与降级 ---------- */
@media (prefers-reduced-motion: no-preference){
  .has-js [data-reveal]{
    opacity:0;transform:translateY(16px);
    transition:opacity .6s var(--ease),transform .6s var(--ease);
  }
  .has-js [data-reveal].is-visible{opacity:1;transform:none}
}

/* ---------- 10 响应式 ---------- */
@media (max-width:1240px){
  .header-stream__label{display:none}
  .site-nav{gap:14px}
  .site-nav__list{gap:12px}
  .site-nav__link{font-size:12px;letter-spacing:.06em}
  .nav-actions{gap:8px;padding-left:14px}
  .nav-actions .btn{padding:9px 12px;font-size:12px;letter-spacing:.06em}
}

@media (max-width:1080px){
  .header-stream{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    padding:14px var(--gutter) 26px;
    background:var(--indigo-800);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(6,11,24,.55);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s linear;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__list li{border-bottom:1px solid var(--line)}
  .site-nav__link{justify-content:flex-start;padding:15px 0;font-size:15px;letter-spacing:.06em}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--cyan)}
  .site-nav__link[aria-current="page"]::before{color:var(--cyan)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;padding:20px 0 0;border-left:0}
  .nav-actions .btn{padding:14px 18px;font-size:14px;letter-spacing:.1em}
}

@media (max-width:900px){
  .footer-ledger{grid-template-columns:minmax(0,1fr)}
  .grid--split{grid-template-columns:minmax(0,1fr)}
  .layout-rail{grid-template-columns:minmax(0,1fr)}
  .annotation{position:static}
  .annotation__text{writing-mode:horizontal-tb;max-height:none;letter-spacing:.24em}
}

@media (max-width:560px){
  .footer-cols{grid-template-columns:minmax(0,1fr)}
  .footer-tags__note{margin-left:0;width:100%}
  .footer-legal{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}