/* ============================================================
   金宝博CN中文官网 · 共享样式表  /assets/site.css
   技术蓝图网格 + 数字金库 + 现代粗野主义
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse}
hr{border:0}

/* ---------- 2. Tokens ---------- */
:root{
  --gold:#C89B3C;
  --gold-light:#F2D99B;
  --gold-brown:#8A641F;
  --ink:#103C32;
  --ink-mid:#1F6B55;
  --orange:#E77D3C;
  --cream:#F7F1E4;
  --char:#1C1A17;
  --mist:#D7E6DD;
  --vault-brown:#3B2B16;

  --rail-w:272px;
  --rail-w-min:88px;
  --rail-current:0px;
  --topbar-h:64px;

  --font-sans:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;

  --shell:1180px;
  --shadow-hard:8px 8px 0 rgba(28,26,23,.9);
}

/* ---------- 3. Base ---------- */
body{
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  color:var(--char);
  background-color:var(--cream);
  background-image:
    linear-gradient(rgba(138,100,31,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(138,100,31,.09) 1px,transparent 1px);
  background-size:48px 48px,48px 48px;
  min-height:100dvh;
  padding-left:var(--rail-current);
  padding-top:var(--topbar-h);
}

h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--char)}
h1{font-size:clamp(32px,5.2vw,60px);font-weight:900;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.4vw,38px)}
h3{font-size:clamp(18px,2.2vw,23px)}
h4{font-size:17px}
strong,b{font-weight:800}
small{font-size:13px}

.title-metal{
  background:linear-gradient(120deg,var(--gold-brown) 0%,var(--gold) 32%,var(--gold-light) 52%,var(--gold) 76%,var(--gold-brown) 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}

:focus-visible{
  outline:3px solid var(--orange);
  outline-offset:3px;
  background-color:rgba(242,217,155,.4);
  border-radius:2px;
}

[id]{scroll-margin-top:88px}
@media (min-width:1024px){[id]{scroll-margin-top:32px}}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-190%);
  background:var(--char);color:var(--gold-light);
  padding:10px 18px;font-weight:700;font-size:14px;
  border:2px solid var(--gold);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 4. Header / Rail ---------- */
.vault-header{position:relative;z-index:96}

.vault-header__mobile{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px;
  background-image:
    linear-gradient(90deg,rgba(200,155,60,.16) 1px,transparent 1px),
    linear-gradient(180deg,var(--ink) 0%,#0B2A23 60%,var(--vault-brown) 100%);
  background-size:24px 24px,100% 100%;
  color:var(--cream);
  border-bottom:3px solid var(--gold);
}
@media (min-width:1024px){.vault-header__mobile{display:none}}

.vault-brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.vault-brand__mark{
  position:relative;flex:0 0 auto;width:46px;height:46px;border-radius:50%;
  border:3px solid var(--gold);
  background:radial-gradient(circle at 30% 26%,var(--gold-light) 0%,var(--gold) 46%,var(--gold-brown) 100%);
  box-shadow:inset 0 0 0 5px rgba(16,60,50,.9),3px 3px 0 rgba(0,0,0,.35);
}
.vault-brand__mark::before,.vault-brand__mark::after{content:"";position:absolute;background:var(--char)}
.vault-brand__mark::before{left:50%;top:5px;bottom:5px;width:3px;transform:translateX(-50%)}
.vault-brand__mark::after{top:50%;left:5px;right:5px;height:3px;transform:translateY(-50%)}
.vault-brand__core{
  position:absolute;left:50%;top:50%;width:11px;height:11px;
  transform:translate(-50%,-50%);
  background:var(--char);border:2px solid var(--gold-light);border-radius:50%;
}
.vault-brand__text{display:flex;flex-direction:column;line-height:1.16;min-width:0}
.vault-brand__cn{font-size:20px;font-weight:900;letter-spacing:.1em;color:var(--gold-light)}
.vault-brand__en{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;color:var(--gold)}
.vault-brand--compact .vault-brand__mark{width:36px;height:36px;box-shadow:inset 0 0 0 4px rgba(16,60,50,.9)}
.vault-brand--compact .vault-brand__cn{font-size:16px}
.vault-brand--compact .vault-brand__en{font-size:9px;letter-spacing:.2em}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 13px;
  border:2px solid var(--gold);
  background:rgba(200,155,60,.14);
  color:var(--gold-light);
  font-weight:700;font-size:13px;letter-spacing:.1em;
  transition:background-color .16s ease,color .16s ease;
}
.nav-toggle[aria-expanded="true"]{background:var(--gold);color:var(--char);border-color:var(--gold-light)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor}
.nav-toggle__bars span:nth-child(2){width:68%}
.nav-toggle__text{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em}

.rail{
  position:fixed;top:0;left:0;bottom:0;z-index:95;
  width:min(86vw,320px);
  display:flex;flex-direction:column;gap:20px;
  padding:22px 18px 20px;
  overflow-y:auto;overscroll-behavior:contain;
  color:var(--cream);
  border-right:3px solid var(--gold);
  background-image:
    linear-gradient(rgba(200,155,60,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,155,60,.12) 1px,transparent 1px),
    linear-gradient(180deg,var(--ink) 0%,#0B2A23 56%,var(--vault-brown) 100%);
  background-size:32px 32px,32px 32px,100% 100%;
  transform:translateX(-102%);
  transition:transform .26s ease,width .22s ease;
}
.rail[data-open="true"]{transform:none}
@media (min-width:1024px){
  .rail{width:var(--rail-current);transform:none;padding:28px 18px 22px}
}

.rail__head{
  display:flex;flex-direction:column;gap:14px;
  padding-bottom:16px;
  border-bottom:2px dashed rgba(200,155,60,.45);
}
.rail__collapse{
  display:none;align-items:center;gap:9px;
  padding:7px 11px;
  border:2px solid rgba(200,155,60,.55);
  background:rgba(200,155,60,.1);
  color:var(--gold-light);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  transition:background-color .16s ease,color .16s ease;
}
.rail__collapse:hover{background:var(--gold);color:var(--char)}
.rail__collapse-icon{
  display:block;width:10px;height:10px;
  border-left:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(1px,-1px);
}
.rail__collapse-text{white-space:nowrap}
@media (min-width:1024px){
  .rail__collapse{display:inline-flex;align-self:flex-start}
  html.rail-collapsed .rail__collapse-icon{transform:rotate(-135deg) translate(1px,-1px)}
}

.rail__nav{display:flex;flex-direction:column;gap:14px;flex:1 1 auto;min-height:0}
.rail__nav-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  color:rgba(242,217,155,.72);text-transform:uppercase;
}
.rail__list{display:flex;flex-direction:column;gap:6px}
.rail__item{display:block}
.rail__link{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border:2px solid transparent;
  color:var(--cream);
  font-size:16px;font-weight:600;letter-spacing:.04em;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.rail__num{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--gold)}
.rail__label{flex:1 1 auto}
.rail__link:hover{background:rgba(200,155,60,.18);border-color:var(--gold);transform:translateX(3px)}
.rail__link[aria-current="page"]{
  background:linear-gradient(120deg,var(--gold-light),var(--gold) 60%,var(--gold-brown));
  color:var(--char);border-color:var(--gold-light);
  box-shadow:5px 5px 0 rgba(0,0,0,.45);
}
.rail__link[aria-current="page"] .rail__num{color:var(--vault-brown)}

.rail__foot{
  display:flex;flex-direction:column;gap:8px;
  padding-top:16px;
  border-top:2px dashed rgba(200,155,60,.45);
}
.rail__status{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--gold-light)}
.rail__dot{
  flex:0 0 auto;width:9px;height:9px;border-radius:50%;
  background:var(--orange);box-shadow:0 0 0 4px rgba(231,125,60,.24);
  animation:vault-pulse 2.6s ease-in-out infinite;
}
@keyframes vault-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(.8)}
}
.rail__version{font-size:12px;letter-spacing:.18em;color:var(--gold)}
.rail__note{font-size:12px;line-height:1.65;color:rgba(247,241,228,.72)}

@media (min-width:1024px){
  html.rail-collapsed .vault-brand__text,
  html.rail-collapsed .rail__nav-label,
  html.rail-collapsed .rail__label,
  html.rail-collapsed .rail__version,
  html.rail-collapsed .rail__note,
  html.rail-collapsed .rail__collapse-text{display:none}
  html.rail-collapsed .rail__head{align-items:center}
  html.rail-collapsed .rail__collapse{align-self:center}
  html.rail-collapsed .rail__link{justify-content:center;padding:12px 4px}
  html.rail-collapsed .rail__status{font-size:0;gap:0;justify-content:center}
  html.rail-collapsed .rail__link[aria-current="page"]{box-shadow:3px 3px 0 rgba(0,0,0,.45)}
}

.nav-scrim{
  position:fixed;inset:0;z-index:90;
  background:rgba(16,32,27,.62);
}
.nav-scrim[hidden]{display:none}
@media (min-width:1024px){.nav-scrim{display:none!important}}
@media (max-width:1023px){
  html.nav-open,html.nav-open body{overflow:hidden}
}

/* ---------- 5. Footer ---------- */
.vault-footer{
  margin-top:72px;
  padding:54px 20px 26px;
  color:var(--cream);
  border-top:4px solid var(--gold);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(200,155,60,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,155,60,.13) 1px,transparent 1px),
    linear-gradient(160deg,var(--ink) 0%,#0B2A23 58%,var(--vault-brown) 100%);
  background-size:40px 40px,40px 40px,100% 100%;
}
.vault-footer__grid{
  max-width:var(--shell);margin:0 auto;
  display:grid;gap:34px;grid-template-columns:1fr;
}
@media (min-width:768px){
  .vault-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 30px}
}
@media (min-width:1024px){
  .vault-footer__grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr) minmax(0,1.35fr);gap:40px}
}
.vault-footer__brand{border-left:4px solid var(--gold);padding-left:16px}
.vault-footer__name{font-size:clamp(21px,3.4vw,28px);font-weight:900;letter-spacing:.05em;color:var(--gold-light);line-height:1.3}
.vault-footer__tag{margin-top:8px;font-size:14px;color:rgba(247,241,228,.78)}
.vault-footer__version{
  display:inline-block;margin-top:16px;padding:6px 11px;
  border:2px solid var(--gold);color:var(--gold);
  font-size:12px;letter-spacing:.14em;
}
.vault-footer__heading{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  color:var(--gold);text-transform:uppercase;
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:2px solid rgba(200,155,60,.4);
}
.vault-footer__nav,.vault-footer__contact{min-width:0}
.vault-footer__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}
.vault-footer__list a{
  display:inline-block;padding:3px 0;
  font-size:15px;color:rgba(247,241,228,.9);
  border-bottom:2px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.vault-footer__list a:hover,.vault-footer__list a[aria-current="page"]{
  color:var(--gold-light);border-bottom-color:var(--orange);
}
.vault-footer__info{display:flex;flex-direction:column;gap:8px;font-size:15px}
.vault-footer__info li{display:flex;gap:12px;align-items:flex-start;color:rgba(247,241,228,.9)}
.vault-footer__key{
  flex:0 0 auto;min-width:44px;padding-top:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--gold);
}
.vault-footer__note{
  margin-top:16px;padding-left:12px;
  border-left:3px solid var(--orange);
  font-size:13px;line-height:1.75;color:rgba(247,241,228,.72);
}
.vault-footer__legal{
  max-width:var(--shell);margin:38px auto 0;padding-top:18px;
  border-top:2px dashed rgba(200,155,60,.4);
  display:flex;flex-wrap:wrap;gap:8px 24px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:rgba(247,241,228,.7);
}
.vault-footer__legal-item{line-height:1.6}

.to-top{
  position:fixed;right:16px;bottom:16px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 14px;
  background:var(--char);color:var(--gold-light);
  border:2px solid var(--gold);
  box-shadow:5px 5px 0 rgba(138,100,31,.55);
  font-size:12px;letter-spacing:.12em;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease,transform .2s ease,box-shadow .2s ease;
}
.to-top[data-visible="true"]{opacity:1;visibility:visible}
.to-top:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(138,100,31,.7)}

/* ---------- 6. Layout helpers ---------- */
.page-shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:30px 20px 0;
}
@media (min-width:768px){.page-shell{padding:46px 32px 0}}

.blueprint-grid{display:grid;gap:20px;grid-template-columns:repeat(6,minmax(0,1fr))}
@media (min-width:768px){.blueprint-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:22px}}

.lede{font-size:clamp(17px,2vw,21px);line-height:1.85;font-weight:500;color:#2B2822;max-width:62ch}
.divider-rule{
  height:3px;margin:36px 0;
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 14px,transparent 14px 24px);
}

/* ---------- 7. Components ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:22px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--gold-brown);
}
.breadcrumb__item a{border-bottom:2px solid rgba(138,100,31,.35)}
.breadcrumb__item a:hover{color:var(--char);border-bottom-color:var(--orange)}
.breadcrumb__item[aria-current="page"]{color:var(--char);font-weight:600;border-bottom:2px solid transparent}
.breadcrumb__sep{color:rgba(138,100,31,.55)}

.section-band{
  position:relative;
  display:grid;gap:10px;
  margin:46px 0 26px;
  padding:20px 22px 22px 26px;
  background-image:
    linear-gradient(115deg,rgba(242,217,155,.92) 0%,rgba(247,241,228,.4) 58%,rgba(215,230,221,.6) 100%),
    linear-gradient(rgba(138,100,31,.1) 1px,transparent 1px);
  background-size:100% 100%,28px 28px;
  border:3px solid var(--char);
  border-left:12px solid var(--gold);
  box-shadow:8px 8px 0 rgba(16,60,50,.24);
}
.section-band__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.26em;color:var(--gold-brown);text-transform:uppercase}
.section-band__title{font-size:clamp(24px,3.6vw,38px);font-weight:900;line-height:1.14;color:var(--ink)}
.section-band__note{font-size:14px;color:#3E5A50;max-width:62ch}

.panel{
  display:flex;flex-direction:column;gap:12px;
  padding:22px;
  background:var(--cream);
  border:3px solid var(--char);
  box-shadow:var(--shadow-hard);
  transition:transform .18s ease,box-shadow .18s ease;
}
.panel:hover{transform:translate(-3px,-3px);box-shadow:11px 11px 0 rgba(200,155,60,.85)}
.panel--offset{margin-top:26px;background-image:linear-gradient(180deg,#FFFDF7,var(--cream))}
.panel--ink{background:var(--ink);color:var(--cream);border-color:var(--gold);box-shadow:8px 8px 0 rgba(200,155,60,.5)}
.panel--ink .panel__title{color:var(--gold-light)}
.panel--ink .panel__meta{color:var(--gold)}
.panel--ink .panel__body{color:rgba(247,241,228,.88)}
.panel__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px}
.panel__title{font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.28;color:var(--char)}
.panel__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--gold-brown);text-transform:uppercase}
.panel__body{font-size:16px;color:#3A3630}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;
  font-size:15px;font-weight:800;letter-spacing:.04em;
  border:3px solid var(--char);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease;
}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(28,26,23,.9)}
.btn--gold{
  background-image:linear-gradient(140deg,var(--gold-light) 0%,var(--gold) 55%,var(--gold-brown) 100%);
  color:var(--char);box-shadow:6px 6px 0 rgba(28,26,23,.9);
}
.btn--gold:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(28,26,23,.9)}
.btn--ink{
  background:var(--ink);color:var(--gold-light);border-color:var(--gold);
  box-shadow:6px 6px 0 rgba(200,155,60,.6);
}
.btn--ink:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(200,155,60,.8)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--gold-light)}
.btn--orange{background:var(--orange);color:#241206;box-shadow:6px 6px 0 rgba(28,26,23,.9)}
.btn--orange:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(28,26,23,.9)}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--ink-mid);
  background:rgba(215,230,221,.65);
  border:2px solid var(--ink-mid);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.tag:hover{background:var(--orange);border-color:var(--char);color:#241206}
.tag--gold{color:var(--gold-brown);background:rgba(242,217,155,.55);border-color:var(--gold-brown)}
.tag[aria-pressed="true"],.tag--active{background:var(--ink-mid);border-color:var(--ink);color:var(--cream)}

.timeline{position:relative;display:flex;flex-direction:column;gap:24px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:3px;background:var(--ink-mid)}
.timeline__item{position:relative}
.timeline__node{
  position:absolute;left:-28px;top:5px;width:17px;height:17px;border-radius:50%;
  background:var(--orange);border:3px solid var(--ink);
  box-shadow:0 0 0 3px rgba(242,217,155,.85);
}
.timeline__time{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold-brown)}
.timeline__title{margin-top:3px;font-size:18px;font-weight:800;color:var(--char)}
.timeline__text{margin-top:5px;font-size:15px;color:#3A3630}

.skill-path{display:flex;flex-wrap:wrap;gap:16px}
.skill-path__node{
  flex:1 1 190px;min-width:168px;text-align:left;
  padding:16px;
  background-image:linear-gradient(180deg,#FFFDF7,var(--cream));
  border:3px solid var(--ink);
  box-shadow:6px 6px 0 rgba(16,60,50,.2);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-image .16s ease;
}
.skill-path__node:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(200,155,60,.7)}
.skill-path__node[aria-expanded="true"]{
  border-color:var(--gold);
  background-image:linear-gradient(180deg,var(--gold-light),#FFFDF7);
  box-shadow:8px 8px 0 rgba(138,100,31,.45);
}
.skill-path__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--gold-brown)}
.skill-path__name{margin-top:6px;font-size:17px;font-weight:800;color:var(--char)}
.skill-path__detail{margin-top:9px;font-size:14px;line-height:1.7;color:#3A3630}

.review-wall{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.review{
  padding:16px;
  background:rgba(242,217,155,.5);
  border:3px solid var(--char);
  box-shadow:6px 6px 0 rgba(28,26,23,.78);
}
.review__stars{font-family:var(--font-mono);font-size:15px;letter-spacing:.16em;color:var(--orange)}
.review__body{margin-top:8px;font-size:15px;color:#332F29}
.review__by{margin-top:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--gold-brown)}

.media{
  position:relative;overflow:hidden;
  aspect-ratio:4/3;
  border:3px solid var(--char);
  background-image:linear-gradient(135deg,var(--mist),var(--gold-light));
  box-shadow:8px 8px 0 rgba(16,60,50,.25);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--vault{background-image:radial-gradient(circle at 50% 44%,var(--gold-light) 0%,var(--gold) 46%,var(--vault-brown) 100%)}
.media__inner{
  position:absolute;inset:0;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  color:rgba(28,26,23,.48);
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:8px 12px;
  background:rgba(28,26,23,.82);
  color:var(--gold-light);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}

.index-list{display:flex;flex-direction:column;border-top:3px solid var(--char)}
.index-list__item{
  display:flex;align-items:baseline;gap:14px;
  padding:15px 6px;
  border-bottom:2px dashed rgba(138,100,31,.45);
  transition:background-color .16s ease;
}
.index-list__item:hover{background:rgba(242,217,155,.45)}
.index-list__num{min-width:46px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold-brown)}

.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;
  border:2px solid var(--gold-brown);
  background:rgba(242,217,155,.6);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--vault-brown);
}
.status-pill__dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}

.anno{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;
  color:var(--gold-brown);text-transform:uppercase;
}
.anno--vertical{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.34em}
.anno--rotate{display:inline-block;transform:rotate(-90deg);transform-origin:left center}

/* ---------- 8. Motion & reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .45s ease,transform .45s ease}
[data-reveal].is-visible{opacity:1;transform:none}

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