/* Layout : une colonne éditoriale de 760px pour le texte, des bandeaux pleine largeur pour les photos ;
   la portée se lit en onglets, chaque chiot = une fiche complète. */
 .rda-osteo-page{
  --paper:#f6f1e7; --paper-2:#efe7d8; --ink:#14120f; --ink-2:#2b251e; --muted:#8a7a62;
  --gold:#a8873f; --gold-soft:#cdbda0; --vermilion:#c8452b; --night:#141210; --night-fg:#f6f1e7; --night-gold:#d6b476;
  --display:"Newsreader",Georgia,"Times New Roman",serif; --body:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif; --jp:"Noto Serif JP","Noto Serif CJK JP",serif;
}
.rda-osteo-page[data-theme="dark"]{ --paper:#171411; --paper-2:#1f1b17; --ink:#efe7d8; --ink-2:#d8cdb8; --muted:#a3947a; --gold:#c8a55a; --gold-soft:#4a4032; --vermilion:#e0654a; color-scheme:dark }
.rda-osteo-page *{box-sizing:border-box}
.rda-osteo-page{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;margin:0}
.rda-osteo-page img{max-width:100%;display:block}
.rda-osteo-page a{color:inherit}
.rda-osteo-page .ro-wrap{max-width:760px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.rda-osteo-page .ro-wrap-wide{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.rda-osteo-page .ro-lab{font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600}
.rda-osteo-page h1,.rda-osteo-page h2,.rda-osteo-page h3{font-family:var(--display);font-weight:300;line-height:1.05;text-wrap:balance;margin:0}
.rda-osteo-page h2{font-size:clamp(1.9rem,4vw,2.6rem);letter-spacing:-.01em}
.rda-osteo-page h2 em,.rda-osteo-page h1 em{font-style:italic;color:var(--gold)}
.rda-osteo-page h3{font-size:1.25rem;font-weight:400}
.rda-osteo-page p{margin:0;color:inherit!important}
.rda-osteo-page .hr{height:1px;background:var(--gold);opacity:.8}
/* hero */
.rda-osteo-page .ro-hero{position:relative;background:var(--night);color:var(--night-fg)!important;min-height:72vh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.rda-osteo-page .ro-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 35%}
.rda-osteo-page .ro-hero .ro-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,16,.55) 0%,rgba(20,18,16,0) 30%,rgba(20,18,16,0) 55%,rgba(20,18,16,.96) 100%)}
.rda-osteo-page .ro-hero .ro-top{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;gap:16px;padding-block:22px}
.rda-osteo-page .ro-hero .ro-w{font-family:var(--display);font-size:.8rem;letter-spacing:.4em;text-transform:uppercase}
.rda-osteo-page .ro-hero .ro-w small{display:block;font-family:var(--body);font-size:.6rem;letter-spacing:.34em;color:var(--night-gold);margin-top:6px}
.rda-osteo-page .ro-hero .ro-r{font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:var(--night-gold);text-align:right;line-height:1.9}
.rda-osteo-page .ro-hero .ro-inner{position:relative;padding-block:40px 44px}
.rda-osteo-page .ro-hero .ro-k{font-family:var(--jp);color:var(--night-gold);font-size:.95rem;letter-spacing:.6em;margin-bottom:14px}
.rda-osteo-page .ro-hero h1{font-size:clamp(2.6rem,8vw,5rem);letter-spacing:-.02em}
.rda-osteo-page .ro-hero .ro-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;border-top:.5px solid rgba(214,180,118,.6);padding-top:16px}
.rda-osteo-page .ro-hero .ro-meta div{font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:#a89a80}
.rda-osteo-page .ro-hero .ro-meta b{display:block;font-family:var(--display);font-weight:400;font-size:1.05rem;color:var(--night-fg)!important;letter-spacing:0;text-transform:none;margin-top:4px}
/* en bref */
.rda-osteo-page .ro-bref{border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);padding-block:22px;margin-block:40px 0;display:grid;gap:10px}
.rda-osteo-page .ro-bref .ro-lab{margin-bottom:4px}
.rda-osteo-page .ro-bref li{font-size:.95rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-bref ul{margin:0;padding-left:1.1em}
.rda-osteo-page section{padding-block:48px}
.rda-osteo-page .ro-lead{font-family:var(--display);font-size:1.25rem;line-height:1.5;color:var(--ink-2)!important;margin-top:18px}
.rda-osteo-page .ro-cols{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:28px}
@media (max-width:700px){.ro-cols{grid-template-columns:1fr}}
.rda-osteo-page .ro-cols>div{min-width:0}
.rda-osteo-page .ro-cols p+p{margin-top:12px}
.rda-osteo-page .ro-cols p{font-size:.95rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-card{border-top:.5px solid var(--gold);padding-top:14px}
.rda-osteo-page .ro-card+.ro-card{margin-top:22px}
.rda-osteo-page .ro-card .ro-n{font-family:var(--display);font-size:1.3rem}
.rda-osteo-page .ro-card .ro-t{font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)!important;margin:4px 0 10px}
.rda-osteo-page .ro-strip{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:8px;margin-top:32px}
.rda-osteo-page .ro-strip div{aspect-ratio:1/1;overflow:hidden;max-width:100%}
.rda-osteo-page .ro-strip img{width:100%;height:100%;object-fit:cover}
@media (max-width:700px){.ro-strip{grid-template-columns:1fr 1fr}.ro-strip div:first-child{grid-column:1/-1;aspect-ratio:16/10}}
/* anatomie */
.rda-osteo-page .ro-fig{border-top:.5px solid var(--gold);border-bottom:.5px solid var(--gold);padding-block:18px;margin-top:24px}
.rda-osteo-page .ro-fig img{width:100%;height:auto}
.rda-osteo-page .ro-e{padding-block:12px;border-bottom:.4px solid var(--gold-soft)}
.rda-osteo-page .ro-e b{display:block;font-family:var(--display);font-weight:400;font-size:1.1rem}
.rda-osteo-page .ro-e p{font-size:.92rem;color:var(--ink-2)!important;margin-top:4px}
.rda-osteo-page .ro-t{display:flex;gap:12px;padding-block:12px;border-bottom:.4px solid var(--gold-soft)}
.rda-osteo-page .ro-t .ro-k{font-family:var(--jp);color:var(--gold);flex:none;width:1.4em}
.rda-osteo-page .ro-t b{display:block;font-family:var(--display);font-weight:400;font-size:1.05rem}
.rda-osteo-page .ro-t p{font-size:.9rem;color:var(--ink-2)!important;margin-top:3px}
/* portée */
.rda-osteo-page .ro-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
@media (max-width:860px){.ro-grid4{grid-template-columns:repeat(2,1fr)}}
.rda-osteo-page .ro-c{min-width:0}
.rda-osteo-page .ro-c .ro-im{aspect-ratio:4/5;overflow:hidden;max-width:100%}
.rda-osteo-page .ro-c img{width:100%;height:100%;object-fit:cover}
.rda-osteo-page .ro-c b{display:block;font-family:var(--display);font-style:italic;font-weight:300;font-size:1.6rem;margin-top:12px;line-height:1}
.rda-osteo-page .ro-c span{display:block;font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)!important;margin-top:6px}
.rda-osteo-page .ro-c p{font-size:.88rem;color:var(--ink-2)!important;margin-top:10px}
.rda-osteo-page .ro-sum{margin-top:36px;border-top:.5px solid var(--gold);overflow-x:auto}
.rda-osteo-page table{width:100%;border-collapse:collapse;min-width:520px}
.rda-osteo-page th{text-align:left;font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600;padding:12px 0 8px;border-bottom:.4px solid var(--gold-soft)}
.rda-osteo-page td{padding:10px 12px 10px 0;border-bottom:.4px solid var(--gold-soft);font-size:.92rem;vertical-align:top;color:var(--ink-2)!important}
.rda-osteo-page td.ro-n{font-family:var(--display);font-size:1.1rem;color:var(--ink);white-space:nowrap}
.rda-osteo-page td.ro-s{white-space:nowrap}
.rda-osteo-page .ro-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:middle}
.rda-osteo-page .ro-d0{border:1px solid var(--gold);background:var(--paper)} .rda-osteo-page .ro-d1{background:var(--gold)} .rda-osteo-page .ro-d2{background:var(--vermilion)}
.rda-osteo-page .ro-quote{display:flex;gap:16px;margin-top:32px;align-items:flex-start}
.rda-osteo-page .ro-quote .ro-k{font-family:var(--jp);color:var(--gold);font-size:1.4rem;flex:none}
.rda-osteo-page .ro-quote p{font-family:var(--display);font-size:1.15rem;line-height:1.5}
/* onglets chiots */
.rda-osteo-page .ro-tabs{display:flex;gap:6px;flex-wrap:wrap;position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--paper);padding-block:12px;border-bottom:.5px solid var(--gold)}
.rda-osteo-page .ro-tabs button{font:inherit;font-family:var(--display);font-style:italic;font-size:1.15rem;background:none;border:.5px solid var(--gold-soft);color:var(--ink);padding:8px 18px;cursor:pointer;border-radius:999px}
.rda-osteo-page .ro-tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.rda-osteo-page .ro-tabs button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.rda-osteo-page .ro-pup{display:none}
.rda-osteo-page .ro-pup.on{display:block}
.rda-osteo-page .ro-pup-hero{position:relative;background:var(--night);color:var(--night-fg)!important;aspect-ratio:16/9;max-width:100%;overflow:hidden;margin-top:28px}
.rda-osteo-page .ro-pup-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rda-osteo-page .ro-pup-hero .ro-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,16,.25),rgba(20,18,16,0) 40%,rgba(20,18,16,.92))}
.rda-osteo-page .ro-pup-hero .ro-kanji{position:absolute;top:20px;right:22px;font-family:var(--jp);font-size:2rem;color:var(--night-gold);writing-mode:vertical-rl;letter-spacing:.3em;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.rda-osteo-page .ro-pup-hero .ro-b{position:absolute;left:22px;right:22px;bottom:18px}
.rda-osteo-page .ro-pup-hero .ro-no{font-size:.6rem;letter-spacing:.34em;text-transform:uppercase;color:var(--night-gold)}
.rda-osteo-page .ro-pup-hero h3{font-family:var(--display);font-style:italic;font-weight:300;font-size:clamp(2.4rem,7vw,4.5rem);line-height:.95;letter-spacing:-.02em;margin-top:8px}
@media (max-width:700px){.ro-pup-hero{aspect-ratio:4/5}}
.rda-osteo-page .ro-bilan{display:grid;grid-template-columns:280px 1fr;gap:36px;margin-top:36px}
@media (max-width:760px){.ro-bilan{grid-template-columns:1fr}}
.rda-osteo-page .ro-bilan>div{min-width:0}
.rda-osteo-page .ro-bilan .ro-pic{aspect-ratio:3/4;overflow:hidden;max-width:100%;position:relative}
.rda-osteo-page .ro-bilan .ro-pic img{width:100%;height:100%;object-fit:cover}
.rda-osteo-page .ro-capt{font-family:var(--display);font-style:italic;color:var(--muted)!important;font-size:.95rem;margin-top:12px;line-height:1.45}
.rda-osteo-page .ro-capt b{display:block;font-style:normal;font-family:var(--body);font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink);margin-bottom:6px;font-weight:600}
.rda-osteo-page .ro-ob{display:flex;gap:14px;padding-block:14px;border-bottom:.4px solid var(--gold-soft)}
.rda-osteo-page .ro-ob .ro-k{font-family:var(--jp);color:var(--gold);flex:none;width:1.4em;font-size:1.05rem}
.rda-osteo-page .ro-ob b{display:block;font-family:var(--display);font-weight:400;font-size:1.2rem}
.rda-osteo-page .ro-ob i{display:block;font-style:normal;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600;margin:3px 0 8px}
.rda-osteo-page .ro-ob p{font-size:.93rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-suivi{display:flex;gap:16px;border-top:.5px solid var(--gold);padding-top:18px;margin-top:22px}
.rda-osteo-page .ro-suivi .ro-k{font-family:var(--jp);color:var(--gold);font-size:1.4rem;flex:none}
.rda-osteo-page .ro-suivi p{font-family:var(--display);font-size:1.15rem;line-height:1.5}
.rda-osteo-page .ro-sig{font-size:.78rem;color:var(--muted)!important;margin-top:14px;line-height:1.5}
.rda-osteo-page .ro-grille{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:40px}
@media (max-width:760px){.ro-grille{grid-template-columns:1fr}}
.rda-osteo-page .ro-grille>div{min-width:0}
.rda-osteo-page .ro-axis{border-top:.5px solid var(--gold);border-bottom:.5px solid var(--gold);padding-block:10px;margin-top:10px}
.rda-osteo-page .ro-legend{font-size:.72rem;color:var(--muted)!important;margin-top:8px;display:flex;flex-wrap:wrap;gap:6px 18px}
.rda-osteo-page .ro-zt td{padding:8px 0}
.rda-osteo-page .ro-zt td.ro-z{font-family:var(--display);font-size:1rem;color:var(--ink)}
.rda-osteo-page .ro-zt td.ro-s{text-align:right;font-size:.8rem}
.rda-osteo-page .ro-h{display:flex;gap:12px;padding-block:8px;font-size:.93rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-h .ro-k{font-family:var(--jp);color:var(--gold);flex:none}
.rda-osteo-page .ro-tl{display:flex;gap:16px;padding-block:10px;border-bottom:.4px solid var(--gold-soft)}
.rda-osteo-page .ro-tl b{flex:none;width:96px;font-family:var(--display);font-weight:400}
.rda-osteo-page .ro-tl p{font-size:.9rem;color:var(--ink-2)!important}
/* prévention / lexique */
.rda-osteo-page .ro-g{display:grid;grid-template-columns:200px 1fr;gap:24px;padding-block:14px;border-bottom:.4px solid var(--gold-soft)}
@media (max-width:600px){.ro-g{grid-template-columns:1fr;gap:4px}}
.rda-osteo-page .ro-g b{font-family:var(--display);font-weight:400;font-size:1.1rem}
.rda-osteo-page .ro-g p{font-size:.92rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-note{display:flex;gap:16px;border-top:.5px solid var(--gold);padding-top:18px;margin-top:28px}
.rda-osteo-page .ro-note .ro-k{font-family:var(--jp);color:var(--gold);font-size:1.4rem;flex:none}
.rda-osteo-page .ro-note b{display:block;font-family:var(--display);font-weight:400;font-size:1.15rem;margin-bottom:6px}
.rda-osteo-page .ro-note p{font-size:.92rem;color:var(--ink-2)!important}
.rda-osteo-page .ro-wt{min-width:0}
.rda-osteo-page .ro-wt th:not(:first-child),.rda-osteo-page .ro-wt td:not(:first-child){text-align:right}
.rda-osteo-page .ro-wt td:first-child{font-family:var(--display);color:var(--ink)}
.rda-osteo-page .ro-author{display:flex;gap:18px;align-items:center;border-top:.5px solid var(--gold);padding-top:22px;margin-top:40px}
.rda-osteo-page .ro-author .ro-k{font-family:var(--jp);color:var(--gold);font-size:1.3rem;letter-spacing:.5em}
.rda-osteo-page .ro-author b{display:block;font-family:var(--display);font-weight:400;font-size:1.1rem}
.rda-osteo-page .ro-author p{font-size:.85rem;color:var(--muted)!important}
.rda-osteo-page footer{background:var(--night);color:var(--night-fg)!important;padding-block:36px;margin-top:40px;font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;text-align:center;line-height:2}
.rda-osteo-page footer b{font-family:var(--display);font-size:.85rem;letter-spacing:.4em;display:block;font-weight:500}
@media (prefers-reduced-motion:no-preference){.ro-pup.on{animation:fade .35s ease}}
@keyframes fade{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:none}}

.rda-osteo-page{width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw;overflow-x:hidden}
.rda-osteo-page ul{list-style:disc}
.rda-osteo-page .ro-hero .ro-top,.rda-osteo-page .ro-hero .ro-inner{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.rda-osteo-page .ro-print-btn{font:inherit;font-family:var(--body);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;background:none;border:.5px solid var(--gold);color:var(--ink)!important;padding:10px 18px;cursor:pointer;border-radius:999px;margin-top:22px}
@media print{
  .rda-osteo-page{width:auto;left:auto;right:auto;margin:0}
  .rda-osteo-page .ro-tabs,.rda-osteo-page .ro-print-btn,.rda-osteo-page footer{display:none!important}
  .rda-osteo-page .ro-pup{display:block!important;page-break-before:always}
  .rda-osteo-page section{page-break-inside:avoid}
  .rda-osteo-page .ro-hero{min-height:60vh}
}

/* empilement et couleurs forcés face au thème */
.rda-osteo-page .ro-hero>img,.rda-osteo-page .ro-pup-hero>img{z-index:0!important;position:absolute!important}
.rda-osteo-page .ro-veil{z-index:1}
.rda-osteo-page .ro-hero .ro-top,.rda-osteo-page .ro-hero .ro-inner,.rda-osteo-page .ro-pup-hero .ro-kanji,.rda-osteo-page .ro-pup-hero .ro-b{z-index:2}
.rda-osteo-page .ro-hero h1,.rda-osteo-page .ro-pup-hero h3,.rda-osteo-page .ro-hero .ro-meta b,.rda-osteo-page .ro-hero .ro-w,.rda-osteo-page .ro-pup-hero .ro-no{color:var(--night-fg)!important}
.rda-osteo-page .ro-hero h1 em,.rda-osteo-page .ro-hero .ro-k,.rda-osteo-page .ro-hero .ro-w small,.rda-osteo-page .ro-hero .ro-r,.rda-osteo-page .ro-pup-hero .ro-kanji{color:var(--night-gold)!important}
.rda-osteo-page h2,.rda-osteo-page h3{color:var(--ink)!important}
.rda-osteo-page h2 em{color:var(--gold)!important}