/* ==========================================================================
   凤凰体育 · 共享样式 /assets/site.css
   星图外壳：夜空顶栏 + 轨道导航 + 档案抽屉页脚
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,*::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,hr{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
hr{border:0}
:focus-visible{outline:2px solid #FF6A1A;outline-offset:3px;border-radius:3px}

/* ---------- 2. Tokens ---------- */
:root{
  --c-ember:#FF6A1A;
  --c-flame:#B3271E;
  --c-lake:#1B6E9C;
  --c-steppe:#2E8B6A;
  --c-gold:#E0B354;
  --c-night:#0E1118;
  --c-deep:#16202E;
  --c-mist:#C6CCD4;
  --c-ink:#1E2630;
  --c-paper:#F5F1EA;

  --font-display:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --line:rgba(198,204,212,.20);
  --line-strong:rgba(198,204,212,.44);
  --line-ink:rgba(30,38,48,.14);

  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-organic:22px 22px 22px 6px;

  --fs-body:17px;
  --lh-body:1.75;
  --gap-scale:1;

  --shadow-lift:0 20px 44px -26px rgba(14,17,24,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
  --nav-pad:clamp(18px,4vw,40px);
  --max-w:1200px;
}
html[data-density="compact"]{--fs-body:15.5px;--lh-body:1.58;--gap-scale:.8}
html[data-density="standard"]{--fs-body:17px;--lh-body:1.75;--gap-scale:1}
html[data-density="comfortable"]{--fs-body:18.5px;--lh-body:1.95;--gap-scale:1.2}

/* ---------- 3. Base ---------- */
body{
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--c-ember);color:#1A0E08}

.phx-mono{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.phx-num{
  font-family:var(--font-mono);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}

.skip-link{
  position:fixed;
  top:-70px;left:12px;
  z-index:200;
  padding:10px 18px;
  background:var(--c-ember);
  color:#1A0E08;
  font-weight:700;
  border-radius:var(--r-sm);
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px}

.phx-container{
  width:100%;
  max-width:var(--max-w);
  margin-inline:auto;
  padding-inline:var(--nav-pad);
}

/* ---------- 4. Header : 夜空顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-night);
  color:var(--c-mist);
  box-shadow:0 12px 30px -24px rgba(14,17,24,.95);
}
.read-progress{
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:rgba(198,204,212,.14);
  overflow:hidden;
}
.read-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-ember),var(--c-gold));
  transition:transform 90ms linear;
}

/* 上层：品牌说明条 */
.phx-bar{
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(90deg,rgba(255,106,26,.10),transparent 42%),
    var(--c-night);
}
.phx-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:38px;
  padding-block:6px;
  flex-wrap:wrap;
}
.phx-bar__claim{
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--c-gold);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.phx-bar__meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.phx-bar__icp{color:rgba(198,204,212,.66);font-size:12px}
.phx-bar__link{
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--c-mist);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.phx-bar__link:hover{color:var(--c-ember);border-bottom-color:var(--c-ember)}

.density-switch{
  display:inline-flex;
  align-items:center;
  gap:2px;
  padding:2px;
  border:1px solid var(--line);
  border-radius:999px;
}
.density-switch__label{
  font-size:11px;
  letter-spacing:.18em;
  padding-inline:8px 6px;
  color:rgba(198,204,212,.6);
}
.density-switch__btn{
  font-size:11.5px;
  letter-spacing:.08em;
  padding:4px 10px;
  border-radius:999px;
  color:rgba(198,204,212,.78);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.density-switch__btn:hover{color:var(--c-paper)}
.density-switch__btn[aria-pressed="true"]{
  background:var(--c-ember);
  color:#1A0E08;
  font-weight:700;
}

/* 下层：轨道导航 */
.phx-nav{
  position:relative;
  background:
    radial-gradient(120% 220% at 12% 0%,rgba(27,110,156,.28),transparent 60%),
    radial-gradient(90% 180% at 88% 10%,rgba(179,39,30,.30),transparent 62%),
    var(--c-deep);
  color:var(--c-paper);
}
.phx-nav::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--c-ember) 22%,var(--c-gold) 55%,var(--c-lake) 82%,transparent);
  opacity:.7;
}
.phx-nav__inner{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:66px;
  padding-block:8px;
}

.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  padding:4px 2px;
}
.brand-mark__glyph{
  width:26px;height:26px;flex:none;
  background:linear-gradient(135deg,var(--c-ember),var(--c-gold) 52%,var(--c-flame));
  clip-path:polygon(2% 100%,16% 36%,44% 52%,60% 0%,74% 46%,100% 62%,58% 76%,44% 100%);
  transition:transform 320ms var(--ease);
}
.brand-mark:hover .brand-mark__glyph{transform:rotate(-8deg) scale(1.06)}
.brand-mark__text{
  font-family:var(--font-display);
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  color:var(--c-paper);
}
.brand-mark__sub{
  font-size:11px;
  color:var(--c-gold);
  letter-spacing:.16em;
  padding:3px 6px;
  border:1px solid rgba(224,179,84,.42);
  border-radius:4px;
}

.phx-menu{flex:1 1 auto;min-width:0}
.phx-menu__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.phx-menu__item{position:relative}
.phx-menu__link{
  position:relative;
  display:block;
  padding:10px 13px;
  font-size:15px;
  letter-spacing:.02em;
  color:rgba(245,241,234,.78);
  border-radius:var(--r-sm);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.phx-menu__link::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:4px;
  height:2px;
  background:var(--c-ember);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform var(--dur) var(--ease);
}
.phx-menu__link:hover{color:var(--c-paper);background:rgba(198,204,212,.08)}
.phx-menu__link:hover::after{transform:scaleX(1)}
.phx-menu__link[aria-current="page"]{
  color:var(--c-ember);
  font-weight:700;
  background:rgba(255,106,26,.10);
}
.phx-menu__link[aria-current="page"]::after{transform:scaleX(1);background:linear-gradient(90deg,var(--c-ember),var(--c-gold))}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  color:var(--c-paper);
  font-size:13px;
  letter-spacing:.12em;
  margin-left:auto;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--c-ember);color:var(--c-ember)}
.nav-toggle__bars{
  position:relative;
  width:18px;height:2px;
  background:currentColor;
  transition:background var(--dur) var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:currentColor;
  transition:transform var(--dur) var(--ease),top var(--dur) 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{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}
.nav-toggle__text{line-height:1}

.phx-nav__cta{flex:none;margin-left:10px}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-md);
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{
  background:linear-gradient(135deg,var(--c-ember),#FF8A3D);
  color:#1A0E08;
  box-shadow:0 12px 26px -16px rgba(255,106,26,.9);
}
.btn--primary:hover{box-shadow:0 16px 30px -14px rgba(255,106,26,.95)}
.btn--ghost{
  background:transparent;
  color:var(--c-paper);
  border-color:var(--line-strong);
}
.btn--ghost:hover{border-color:var(--c-ember);color:var(--c-ember)}
.btn--sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.btn--block{width:100%}

/* ---------- 6. Typography blocks ---------- */
.phx-title{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.14;
  color:inherit;
}
.phx-title--xl{font-size:clamp(40px,7vw,92px)}
.phx-title--lg{font-size:clamp(30px,4.4vw,56px)}
.phx-title--md{font-size:clamp(22px,2.6vw,32px);line-height:1.28}
.phx-title em{font-style:normal;color:var(--c-ember)}

.phx-lede{
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.72;
  max-width:34em;
  color:rgba(30,38,48,.78);
}
.phx-section--night .phx-lede,
.phx-section--deep .phx-lede,
.site-footer .phx-lede{color:rgba(245,241,234,.78)}

.phx-prose{max-width:38em}
.phx-prose p+p{margin-top:1em}

.phx-note{font-size:13.5px;line-height:1.7;color:rgba(30,38,48,.6)}
.phx-section--night .phx-note,
.phx-section--deep .phx-note,
.site-footer .phx-note{color:rgba(198,204,212,.7)}

/* 章节说明牌 */
.phx-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-lake);
}
.phx-label__num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  color:var(--c-gold);
  letter-spacing:.1em;
}
.phx-label__rule{
  width:28px;height:1px;
  background:currentColor;
  opacity:.55;
}
.phx-label__text{letter-spacing:.2em}
.phx-section--night .phx-label,
.phx-section--deep .phx-label,
.site-footer .phx-label{color:var(--c-gold)}

/* ---------- 7. Section / Grid ---------- */
.phx-section{padding-block:calc(clamp(48px,7vw,96px) * var(--gap-scale))}
.phx-section--paper{background:var(--c-paper);color:var(--c-ink)}
.phx-section--night{background:var(--c-night);color:var(--c-paper)}
.phx-section--deep{
  background:
    radial-gradient(100% 140% at 82% 0%,rgba(27,110,156,.22),transparent 58%),
    radial-gradient(80% 130% at 6% 100%,rgba(179,39,30,.24),transparent 62%),
    var(--c-deep);
  color:var(--c-paper);
}
.phx-section__head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(24px,3.4vw,44px)}

.phx-grid{display:grid;gap:clamp(20px,3vw,40px)}
.phx-grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.phx-grid--3-9{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.phx-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.phx-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 8. Components ---------- */
.phx-card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--line-ink);
  border-radius:var(--r-organic);
  background:linear-gradient(160deg,rgba(255,106,26,.06),transparent 55%),var(--c-paper);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.phx-card:hover{transform:translateY(-3px);border-color:rgba(255,106,26,.5);box-shadow:var(--shadow-lift)}
.phx-section--night .phx-card,
.phx-section--deep .phx-card{
  background:linear-gradient(160deg,rgba(255,106,26,.14),transparent 58%),rgba(14,17,24,.58);
  border-color:var(--line);
}
.phx-card__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-lake);
  margin-bottom:10px;
}
.phx-section--night .phx-card__meta,
.phx-section--deep .phx-card__meta{color:var(--c-gold)}
.phx-card__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(18px,2vw,23px);
  letter-spacing:-.01em;
  line-height:1.3;
  margin-bottom:10px;
}
.phx-card__text{font-size:15.5px;line-height:1.7;color:rgba(30,38,48,.76)}
.phx-section--night .phx-card__text,
.phx-section--deep .phx-card__text{color:rgba(245,241,234,.76)}

.phx-callout{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  padding:18px 22px;
  border-left:3px solid var(--c-ember);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:linear-gradient(90deg,rgba(255,106,26,.12),transparent 70%);
}
.phx-callout__text{flex:1 1 16em;font-size:15.5px;line-height:1.65}

.phx-node{
  position:relative;
  display:inline-block;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--c-ember);
  box-shadow:0 0 0 4px rgba(255,106,26,.16);
  flex:none;
}
.phx-node::after{
  content:"";
  position:absolute;
  inset:-6px;
  border-radius:50%;
  border:1px solid rgba(255,106,26,.5);
  animation:phx-pulse 4s var(--ease) infinite;
}
.phx-node--cool{background:var(--c-lake);box-shadow:0 0 0 4px rgba(27,110,156,.16)}
.phx-node--cool::after{border-color:rgba(27,110,156,.5)}
@keyframes phx-pulse{
  0%{transform:scale(.7);opacity:.85}
  70%{transform:scale(1.5);opacity:0}
  100%{transform:scale(1.5);opacity:0}
}

.phx-orbit{
  position:relative;
  height:1px;
  margin-block:clamp(20px,3vw,36px);
  background:linear-gradient(90deg,transparent,var(--line-strong) 12%,var(--line-strong) 88%,transparent);
}
.phx-orbit::before,
.phx-orbit::after{
  content:"";
  position:absolute;
  top:-3px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-gold);
}
.phx-orbit::before{left:6%;background:var(--c-ember)}
.phx-orbit::after{right:10%}

.phx-ruler{
  height:22px;
  background:
    repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,var(--c-mist) 0 1px,transparent 1px 10px);
  background-size:auto 14px,auto 8px;
  background-position:bottom left,bottom left;
  background-repeat:repeat-x;
  opacity:.6;
}

.phx-table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(14,17,24,.4);
  -webkit-overflow-scrolling:touch;
}
.phx-table{min-width:520px;font-size:14.5px}
.phx-table th{
  background:var(--c-flame);
  color:var(--c-paper);
  text-align:left;
  font-weight:700;
  letter-spacing:.06em;
  padding:12px 14px;
  white-space:nowrap;
}
.phx-table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:rgba(245,241,234,.86);
  vertical-align:top;
}
.phx-table tbody tr:nth-child(even) td{background:rgba(198,204,212,.05)}
.phx-table tbody tr:last-child td{border-bottom:0}

.phx-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--c-mist);
  background:rgba(14,17,24,.35);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.phx-chip:hover{border-color:var(--c-ember);color:var(--c-paper)}
.phx-chip[aria-pressed="true"]{
  background:var(--c-ember);
  border-color:var(--c-ember);
  color:#1A0E08;
  font-weight:700;
}

.phx-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--c-gold);
  border:1px solid rgba(224,179,84,.45);
  border-radius:4px;
}

/* 图片容器：页面阶段把 <img> 放进 __frame */
.phx-figure{margin:0}
.phx-figure__frame{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  border-radius:var(--r-organic);
  background:
    radial-gradient(90% 120% at 78% 12%,rgba(27,110,156,.42),transparent 60%),
    linear-gradient(140deg,var(--c-deep),var(--c-night) 70%);
  border:1px solid var(--line);
}
.phx-figure--wide .phx-figure__frame{aspect-ratio:21 / 9}
.phx-figure--tall .phx-figure__frame{aspect-ratio:4 / 5}
.phx-figure--square .phx-figure__frame{aspect-ratio:1 / 1}
.phx-figure__img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.phx-figure__caption{
  margin-top:10px;
  font-size:13px;
  line-height:1.65;
  color:rgba(30,38,48,.6);
}
.phx-section--night .phx-figure__caption,
.phx-section--deep .phx-figure__caption{color:rgba(198,204,212,.7)}

.phx-scroll-strip{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
}
.phx-scroll-strip > *{
  flex:0 0 clamp(240px,72vw,340px);
  scroll-snap-align:start;
}

.phx-reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.phx-reveal.is-visible{opacity:1;transform:none}

.phx-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:rgba(198,204,212,.7);
}
.phx-breadcrumb__item + .phx-breadcrumb__item::before{
  content:"/";
  margin-right:8px;
  opacity:.5;
}
.phx-breadcrumb__link:hover{color:var(--c-ember)}

.phx-stat{display:flex;flex-direction:column;gap:4px}
.phx-stat__num{
  font-family:var(--font-mono);
  font-size:clamp(26px,3.6vw,44px);
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-ember);
  font-variant-numeric:tabular-nums;
}
.phx-stat__label{font-size:13px;letter-spacing:.14em;color:rgba(198,204,212,.72)}

/* ---------- 9. Footer : 档案抽屉 ---------- */
.site-footer{
  background:
    radial-gradient(110% 150% at 88% 0%,rgba(27,110,156,.26),transparent 58%),
    radial-gradient(90% 130% at 4% 6%,rgba(179,39,30,.3),transparent 60%),
    var(--c-night);
  color:var(--c-mist);
  margin-top:clamp(48px,7vw,96px);
}

.footer-drawer{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(22,32,46,.72);
}
.footer-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-block:14px;
}
.footer-drawer__kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-mist);
}
.footer-drawer__kicker-num{color:var(--c-gold);font-size:11.5px}
.footer-drawer__toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 16px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:13.5px;
  letter-spacing:.06em;
  color:var(--c-paper);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-drawer__toggle:hover{border-color:var(--c-ember);color:var(--c-ember)}
.footer-drawer__chev{
  width:8px;height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform var(--dur) var(--ease);
}
.footer-drawer[data-open="true"] .footer-drawer__chev{transform:rotate(225deg) translateY(-2px)}

.footer-drawer__panel{
  max-height:0;
  opacity:0;
  overflow:hidden;
  visibility:hidden;
  transition:max-height 340ms var(--ease),opacity 240ms var(--ease),visibility 0s linear 340ms;
}
.footer-drawer[data-open="true"] .footer-drawer__panel{
  max-height:640px;
  opacity:1;
  visibility:visible;
  transition:max-height 340ms var(--ease),opacity 240ms var(--ease),visibility 0s linear 0s;
}
.footer-drawer__inner{padding-block:8px 30px}
.footer-drawer__note{font-size:14px;line-height:1.7;color:rgba(198,204,212,.72);max-width:40em}

.drawer-flow{
  display:grid;
  gap:18px;
  margin-top:18px;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.drawer-step{
  display:flex;
  gap:14px;
  padding:18px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  background:rgba(14,17,24,.5);
}
.drawer-step__num{color:var(--c-gold);font-size:13px;padding-top:2px}
.drawer-step__body{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.drawer-step__title{
  font-family:var(--font-display);
  font-size:16.5px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-paper);
}
.drawer-step__text{font-size:14px;line-height:1.7;color:rgba(198,204,212,.74)}

.footer-main{padding-block:clamp(32px,5vw,60px)}
.footer-grid{
  display:grid;
  gap:clamp(24px,3vw,40px);
  grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;
}
.footer-brand{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.brand-mark--footer .brand-mark__text{font-size:20px}
.footer-brand__claim{
  font-size:14px;
  letter-spacing:.1em;
  color:var(--c-gold);
}
.footer-brand__note{font-size:11.5px;color:rgba(198,204,212,.55)}

.footer-col__title{
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(198,204,212,.62);
  margin-bottom:14px;
  font-weight:700;
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-col__link{
  display:inline-block;
  font-size:14.5px;
  color:rgba(245,241,234,.82);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-col__link:hover{color:var(--c-ember);border-bottom-color:var(--c-ember)}

.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.footer-contact__row{display:flex;flex-direction:column;gap:2px}
.footer-contact__key{font-size:11px;letter-spacing:.16em;color:var(--c-gold)}
.footer-contact__val{font-size:13.5px;line-height:1.6;color:rgba(198,204,212,.82);word-break:break-word}

.footer-legal{border-top:1px solid var(--line);padding-block:18px 26px}
.footer-legal__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer-legal__copy{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(198,204,212,.7);
}
.footer-legal__icp{color:rgba(198,204,212,.62)}
.footer-legal__links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px}
.footer-legal__link{color:rgba(245,241,234,.8);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer-legal__link:hover{color:var(--c-ember);border-bottom-color:var(--c-ember)}
.footer-legal__top{
  padding:6px 14px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  color:var(--c-paper);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-legal__top:hover{border-color:var(--c-gold);color:var(--c-gold)}

/* ---------- 10. Responsive ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}
  .footer-col--contact{grid-column:1 / -1}
}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .phx-menu{
    position:absolute;
    top:100%;
    left:0;right:0;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background:var(--c-deep);
    border-top:1px solid var(--line);
    box-shadow:0 26px 40px -30px rgba(0,0,0,.9);
    transition:max-height 340ms var(--ease),visibility 0s linear 340ms;
  }
  .phx-menu[data-open="true"]{
    max-height:min(72vh,560px);
    overflow-y:auto;
    visibility:visible;
    transition:max-height 340ms var(--ease),visibility 0s linear 0s;
  }
  .phx-menu__list{flex-direction:column;align-items:stretch;gap:0;padding:6px 0 18px}
  .phx-menu__item{border-bottom:1px solid rgba(198,204,212,.1)}
  .phx-menu__item:last-child{border-bottom:0}
  .phx-menu__link{padding:15px var(--nav-pad);font-size:16px;border-radius:0}
  .phx-menu__link::after{left:var(--nav-pad);right:auto;width:28px;bottom:8px}
  .phx-menu__link:hover{background:rgba(255,106,26,.08)}
  .phx-grid--7-5,
  .phx-grid--3-9,
  .phx-grid--3{grid-template-columns:minmax(0,1fr)}
  .drawer-flow{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .phx-bar__icp{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:620px){
  .phx-nav__cta{display:none}
  .phx-bar__inner{min-height:auto}
  .phx-bar__claim{font-size:11.5px;letter-spacing:.12em}
  .density-switch__label{display:none}
  .brand-mark__sub{display:none}
  .phx-grid--2{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .phx-figure--tall .phx-figure__frame{aspect-ratio:4 / 4.4}
}

/* ---------- 11. Motion / a11y ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .phx-reveal{opacity:1;transform:none}
  .read-progress__bar{transition:none}
}