/* ============================================================
   AB娱乐 · 共享站点样式 /assets/site.css
   纸白票据 + 电光蓝实色阅读态 + 暖橙状态线
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root{
  --blue:#1F5BFF;
  --orange:#FF6B2C;
  --paper:#FFF9F0;
  --ink:#101828;
  --mint:#3DDC97;
  --orange-soft:#FFE3D1;
  --blue-soft:#DCE7FF;
  --lemon:#FFD84D;
  --berry:#E63B6B;
  --grey:#667085;

  --ink-06:rgba(16,24,40,.06);
  --ink-14:rgba(16,24,40,.14);
  --ink-70:rgba(16,24,40,.7);
  --paper-16:rgba(255,249,240,.16);
  --paper-55:rgba(255,249,240,.55);
  --paper-82:rgba(255,249,240,.82);

  --font-display:"MiSans VF","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,monospace;

  --radius-s:8px;
  --radius-m:16px;
  --radius-l:26px;
  --shadow-paper:0 1px 0 rgba(16,24,40,.06),0 22px 44px -32px rgba(16,24,40,.6);
  --shadow-hard:8px 8px 0 0 var(--ink);
  --shell:min(1180px,100% - clamp(1.6rem,6vw,5rem));
  --header-h:76px;
  --ease:cubic-bezier(.22,.7,.2,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:clamp(1rem,.32vw + .94rem,1.125rem);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.site-footer :focus-visible{outline-color:var(--lemon)}

/* ---------- 3. Chinese typography ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.04;
  letter-spacing:-.025em;
  margin-bottom:.55em;
  text-wrap:balance;
}
h1{font-size:clamp(2.5rem,6.4vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.3vw,2.7rem);line-height:1.08}
h3{font-size:clamp(1.18rem,1.8vw,1.5rem);letter-spacing:-.012em;line-height:1.24}
h4{font-size:1.02rem;letter-spacing:0}
p{max-width:38em;margin-bottom:1.1em}
p:last-child{margin-bottom:0}
strong,b{font-weight:800}
small{font-size:.82rem}
.display{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2.6rem,7.6vw,4.8rem);
  line-height:.97;
  letter-spacing:-.038em;
  margin-bottom:.4em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin-bottom:1rem;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.76rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--blue);
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--orange)}
.lede{
  font-size:clamp(1.02rem,1.4vw,1.2rem);
  line-height:1.75;
  color:var(--grey);
  max-width:36em;
}
.num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:800;
  letter-spacing:-.02em;
}
.mark{background:linear-gradient(180deg,transparent 58%,var(--lemon) 58%);padding:0 .12em}
.text-blue{color:var(--blue)}
.text-orange{color:var(--orange)}
.text-mint{color:#0E7A55}
.text-grey{color:var(--grey)}

/* ---------- 4. Layout primitives ---------- */
.shell{width:var(--shell);margin-inline:auto}
.section{padding-block:clamp(3rem,6.5vw,6rem)}
.section--tight{padding-block:clamp(2rem,4vw,3.2rem)}
.rule{height:2px;border:0;background:var(--ink);opacity:.14;margin-block:clamp(1.6rem,4vw,3rem)}
.grid{display:grid;gap:clamp(1rem,2.4vw,2rem)}
.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))}
.prose{max-width:38em}
.prose h3{margin-top:1.9em}
.prose h3:first-child{margin-top:0}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.1em;list-style:disc}
.prose li{margin-bottom:.45em}
.prose blockquote{
  margin:1.6em 0;
  padding:.9rem 1.2rem;
  border-left:4px solid var(--orange);
  background:var(--orange-soft);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
}
@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 5. Buttons ---------- */
.btn{
  --btn-bg:var(--ink);
  --btn-fg:var(--paper);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  padding:.68rem 1.2rem;
  border:2px solid currentColor;
  border-radius:999px;
  background:var(--btn-bg);
  color:var(--btn-fg);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.9rem;
  letter-spacing:.01em;
  line-height:1.2;
  transition:transform .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(16,24,40,.85)}
.btn:active{transform:translateY(0)}
.btn--solid{--btn-bg:var(--orange);--btn-fg:#fff;border-color:var(--orange)}
.btn--solid:hover{--btn-bg:#F25516;border-color:#F25516}
.btn--blue{--btn-bg:var(--blue);--btn-fg:var(--paper);border-color:var(--blue)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{--btn-bg:var(--ink);--btn-fg:var(--paper)}
.btn--small{padding:.42rem .85rem;font-size:.8rem}
.btn--block{width:100%}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-family:var(--font-display);
  font-weight:800;
  color:var(--blue);
  border-bottom:2px solid var(--orange);
  padding-bottom:2px;
}
.link-arrow::after{content:"→";transition:transform .25s var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 6. Stickers, tags, status ---------- */
.sticker{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.3rem .7rem;
  border:2px solid var(--ink);
  border-radius:var(--radius-s);
  background:var(--paper);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.78rem;
  letter-spacing:.02em;
  box-shadow:3px 3px 0 0 var(--ink);
  transform:rotate(-1.5deg);
}
.sticker--orange{background:var(--orange-soft);border-color:var(--orange);box-shadow:3px 3px 0 0 var(--orange)}
.sticker--blue{background:var(--blue-soft);border-color:var(--blue);box-shadow:3px 3px 0 0 var(--blue)}
.sticker--mint{background:#E4FBF1;border-color:var(--mint);box-shadow:3px 3px 0 0 var(--mint);transform:rotate(1deg)}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.22rem .62rem;
  border-radius:999px;
  background:var(--blue-soft);
  color:#1442B8;
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.5;
}
.tag--orange{background:var(--orange-soft);color:#BC4408}
.tag--mint{background:#DCFAEC;color:#0E7A55}
.tag--lemon{background:rgba(255,216,77,.34);color:#7A5600}
.tag--berry{background:rgba(230,59,107,.14);color:#B01F4C}
.status-dot{
  display:inline-block;
  width:.55em;
  height:.55em;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(61,220,151,.22);
  flex:0 0 auto;
}

/* ---------- 7. Paper panels & color bands ---------- */
.panel{
  position:relative;
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius-m);
  padding:clamp(1.1rem,2.4vw,1.8rem);
  box-shadow:var(--shadow-paper);
}
.panel--paper{background:var(--paper)}
.panel--offset{box-shadow:8px 8px 0 0 var(--blue-soft)}
.panel--offset-orange{box-shadow:8px 8px 0 0 var(--orange-soft)}
.panel--rule{
  background:repeating-linear-gradient(0deg,#fff 0 27px,var(--blue-soft) 27px 28px);
}
.band--blue{background:var(--blue);color:var(--paper)}
.band--ink{background:var(--ink);color:var(--paper)}
.band--orange{background:var(--orange);color:#fff}
.band--soft-blue{background:var(--blue-soft);color:var(--ink)}
.band--soft-orange{background:var(--orange-soft);color:var(--ink)}
.band--mint{background:#E4FBF1;color:var(--ink)}
.band--blue .lede,.band--ink .lede,.band--orange .lede{color:rgba(255,249,240,.82)}
.band--blue .eyebrow,.band--ink .eyebrow,.band--orange .eyebrow{color:var(--lemon)}
.band--blue .link-arrow,.band--ink .link-arrow,.band--orange .link-arrow{color:var(--lemon);border-color:currentColor}

/* ---------- 8. Breadcrumbs ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  padding-block:.4rem 0;
  font-size:.82rem;
  color:var(--grey);
}
.breadcrumbs__sep{opacity:.55}
.breadcrumbs a{border-bottom:1px solid transparent;transition:border-color .2s var(--ease),color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--blue);border-color:var(--blue)}
.breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:700}

/* ---------- 9. Media containers ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 10;
  overflow:hidden;
  border:2px solid var(--ink);
  border-radius:var(--radius-m);
  background:var(--blue-soft);
}
.media > img,.media > svg,.media > video{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21 / 9}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:4 / 5}
.media__placeholder{
  display:grid;
  place-items:center;
  height:100%;
  padding:1rem;
  text-align:center;
  background:linear-gradient(135deg,var(--blue-soft) 0%,var(--orange-soft) 100%);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.8rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#1442B8;
}
.media__badge{
  position:absolute;
  top:.7rem;
  left:.7rem;
  padding:.22rem .6rem;
  border-radius:999px;
  background:var(--lemon);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.72rem;
}
.media__caption{
  margin-top:.7rem;
  font-size:.82rem;
  line-height:1.6;
  color:var(--grey);
}
@media (max-width:620px){
  .media{aspect-ratio:4 / 3}
  .media--wide{aspect-ratio:16 / 9}
}

/* ---------- 10. Horizontal snap rail ---------- */
.scroll-x{
  display:flex;
  gap:clamp(.8rem,1.6vw,1.2rem);
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:.9rem;
  -webkit-overflow-scrolling:touch;
}
.scroll-x > *{flex:0 0 clamp(240px,72vw,340px);scroll-snap-align:start}
.scroll-x::-webkit-scrollbar{height:6px}
.scroll-x::-webkit-scrollbar-thumb{background:var(--blue-soft);border-radius:99px}

/* ---------- 11. Disclosure groups ---------- */
.disclosure{border-bottom:1px solid var(--ink-14)}
.disclosure__trigger{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.05rem .1rem;
  text-align:left;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1rem;
  line-height:1.4;
  color:var(--ink);
}
.disclosure__sign{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:1.7rem;
  height:1.7rem;
  border:2px solid var(--ink);
  border-radius:50%;
  font-family:var(--font-num);
  font-size:1rem;
  line-height:1;
  transition:transform .3s var(--ease),background-color .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.disclosure:hover .disclosure__sign{background:var(--lemon)}
.disclosure[data-open="true"] .disclosure__sign{transform:rotate(45deg);background:var(--mint);border-color:var(--mint);color:#07301F}
.disclosure__panel{
  height:0;
  overflow:hidden;
  transition:height .35s var(--ease);
}
.disclosure__inner{
  padding:0 .1rem 1.2rem;
  border-left:3px solid transparent;
  padding-left:.9rem;
  transition:border-color .3s var(--ease);
}
.disclosure[data-open="true"] .disclosure__inner{border-color:var(--mint)}

/* ---------- 12. Tabs ---------- */
.tabs__list{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.2rem}
.tabs__tab{
  padding:.45rem 1rem;
  border:2px solid var(--ink);
  border-radius:999px;
  background:#fff;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.85rem;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.tabs__tab:hover{background:var(--blue-soft)}
.tabs__tab[aria-selected="true"]{background:var(--blue);border-color:var(--blue);color:var(--paper)}
.tabs__panel[hidden]{display:none}

/* ---------- 13. Reveal ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 14. Skip link ---------- */
.skip-link{
  position:fixed;
  top:.7rem;
  left:1rem;
  z-index:400;
  transform:translateY(-180%);
  padding:.7rem 1.15rem;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:800;
  font-size:.88rem;
  box-shadow:0 14px 30px -18px rgba(16,24,40,.9);
  transition:transform .28s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* ---------- 15. Header ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:200;
  color:var(--ink);
  background-color:transparent;
  transition:background-color .4s var(--ease),color .4s var(--ease),box-shadow .4s var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(180deg,rgba(255,249,240,.95) 0%,rgba(255,249,240,.72) 58%,rgba(255,249,240,0) 100%);
  opacity:1;
  pointer-events:none;
  transition:opacity .4s var(--ease);
}
.site-header[data-scrolled="true"]{
  background-color:var(--blue);
  color:var(--paper);
  box-shadow:0 12px 30px -20px rgba(16,24,40,.85);
}
.site-header[data-scrolled="true"]::before{opacity:0}
.site-header__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(.8rem,2vw,2rem);
  min-height:var(--header-h);
}
.site-header__progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  overflow:hidden;
  pointer-events:none;
}
.site-header__progress::after{
  content:"";
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--orange),var(--lemon),var(--mint));
  transition:transform .12s linear;
}

/* brand */
.brand{display:inline-flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand__mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--blue);
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.02rem;
  letter-spacing:-.04em;
  box-shadow:4px 4px 0 0 var(--orange);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .4s var(--ease),color .4s var(--ease);
}
.brand:hover .brand__mark{transform:translate(-2px,-2px);box-shadow:6px 6px 0 0 var(--orange)}
.site-header[data-scrolled="true"] .brand__mark{background:var(--paper);color:var(--blue);box-shadow:4px 4px 0 0 var(--orange)}
.brand__text{display:flex;flex-direction:column;line-height:1.18}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:1.14rem;letter-spacing:-.02em}
.brand__tag{font-size:.72rem;letter-spacing:.06em;color:var(--grey);transition:color .4s var(--ease)}
.site-header[data-scrolled="true"] .brand__tag{color:var(--paper-82)}

/* nav */
.primary-nav{display:flex;align-items:center;gap:clamp(.8rem,1.8vw,1.6rem);margin-left:auto}
.primary-nav__list{display:flex;align-items:center;gap:clamp(.5rem,1.5vw,1.35rem);flex-wrap:wrap}
.primary-nav__link{
  position:relative;
  display:inline-block;
  padding:.45rem .12rem;
  font-family:var(--font-display);
  font-weight:700;
  font-size:.92rem;
  letter-spacing:.01em;
  white-space:nowrap;
}
.primary-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:3px;
  border-radius:3px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .3s var(--ease);
}
.primary-nav__link:hover::after,
.primary-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.primary-nav__link[aria-current="page"]{font-weight:800}
.primary-nav__actions{display:flex;align-items:center;gap:.55rem}
@media (min-width:1081px){
  .site-header[data-scrolled="true"] .btn--ghost{--btn-fg:var(--paper);border-color:var(--paper-55)}
  .site-header[data-scrolled="true"] .btn--ghost:hover{--btn-bg:var(--paper);--btn-fg:var(--blue)}
}

/* nav toggle */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.5rem;
  margin-left:auto;
  padding:.48rem .8rem;
  border:2px solid currentColor;
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.84rem;
  line-height:1;
}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:background-color .2s linear}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .3s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

@media (max-width:1080px){
  :root{--header-h:68px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:1rem clamp(1rem,5vw,2.2rem) 1.5rem;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    color:var(--ink);
    background:var(--paper);
    border-top:4px solid var(--blue);
    box-shadow:0 26px 44px -30px rgba(16,24,40,.75);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
  }
  .primary-nav[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0)}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .primary-nav__list > li + li{border-top:1px solid var(--ink-06)}
  .primary-nav__link{display:block;padding:.85rem .1rem;font-size:1.05rem;font-weight:800}
  .primary-nav__link::after{left:.1rem;right:auto;width:26px;bottom:.5rem}
  .primary-nav__actions{flex-direction:column;align-items:stretch;gap:.6rem;margin-top:1.1rem;width:100%}
  .primary-nav__actions .btn{width:100%}
  .brand__tag{display:none}
}
@media (max-width:420px){
  .brand__mark{width:38px;height:38px;font-size:.92rem;box-shadow:3px 3px 0 0 var(--orange)}
  .brand__name{font-size:1.02rem}
}

/* ---------- 16. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,7vw,6rem);
  padding-block:clamp(2.4rem,5vw,3.8rem) 1.4rem;
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,249,240,.055) 0 1px,transparent 1px 74px);
  pointer-events:none;
}
.site-footer::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:6px;
  background:linear-gradient(90deg,var(--blue) 0 34%,var(--orange) 34% 62%,var(--mint) 62% 100%);
}
.site-footer__inner{position:relative}
.site-footer__top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:1.4rem;
  padding-bottom:1.5rem;
  border-bottom:1px solid var(--paper-16);
}
.footer-slogan{
  max-width:26em;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.45rem,3.4vw,2.5rem);
  line-height:1.08;
  letter-spacing:-.03em;
  color:var(--paper);
}
.footer-slogan__hl{color:var(--lemon);border-bottom:4px solid var(--orange)}
.footer-backtop{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.5rem 1rem;
  border:2px solid var(--paper-16);
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.8rem;
  color:var(--paper-82);
  transition:background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.footer-backtop:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .75fr .85fr 1.5fr;
  gap:clamp(1.4rem,3vw,2.6rem);
  padding-block:clamp(1.7rem,4vw,2.6rem);
}
.footer-brand__name{
  display:flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.32rem;
  letter-spacing:-.02em;
  color:var(--paper);
  margin-bottom:.7rem;
}
.footer-brand__mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:9px;
  background:var(--blue);
  color:var(--paper);
  font-size:.82rem;
  letter-spacing:-.04em;
  box-shadow:3px 3px 0 0 var(--orange);
}
.footer-brand__note{font-size:.88rem;line-height:1.7;color:var(--paper-55);max-width:22em}
.footer-col__title{
  margin-bottom:.9rem;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.74rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mint);
}
.footer-links{display:grid;gap:.55rem}
.footer-link{
  display:inline-block;
  font-size:.94rem;
  color:var(--paper-82);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover{color:var(--paper);border-color:var(--orange)}
.footer-contact{display:grid;gap:1rem;font-style:normal}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem .55rem}
.footer-contact__label{
  display:block;
  width:100%;
  font-size:.7rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(255,249,240,.48);
}
.footer-contact__value{font-size:.94rem;font-weight:700;color:var(--paper);word-break:break-word}
.copy-btn{
  display:inline-flex;
  align-items:center;
  padding:.16rem .55rem;
  border:1px solid rgba(255,249,240,.34);
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.68rem;
  letter-spacing:.08em;
  color:var(--paper-82);
  transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.copy-btn:hover{border-color:var(--mint);color:var(--paper);background:rgba(61,220,151,.16)}
.copy-btn[data-copied="true"]{background:var(--mint);border-color:var(--mint);color:#07301F}
.footer-contact__note{font-size:.8rem;line-height:1.65;color:rgba(255,249,240,.5)}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.7rem 1.4rem;
  padding-top:1.2rem;
  border-top:1px solid var(--paper-16);
  font-size:.8rem;
  color:var(--paper-55);
}
.footer-legal{margin:0}
.footer-meta{display:flex;flex-wrap:wrap;gap:1.1rem}
.footer-meta a{transition:color .2s var(--ease)}
.footer-meta a:hover{color:var(--lemon)}
@media (max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer__top{align-items:flex-start}
  .site-footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 17. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}