html.nth-scroll-page,html.nth-scroll-page body{scrollbar-width:none!important;-ms-overflow-style:none!important;}
html.nth-scroll-page::-webkit-scrollbar,html.nth-scroll-page body::-webkit-scrollbar{width:0!important;height:0!important;display:none!important;}
#nth-page-sections{position:fixed;left:0;top:45%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;width:36px;max-height:calc(100dvh - 180px);overflow-y:auto;scrollbar-width:none;background:#e7e7e7e8;}
#nth-page-sections::-webkit-scrollbar{display:none;}
#nth-page-sections button{appearance:none;border:0;border-radius:0;flex:0 0 36px;min-height:36px;width:36px;margin:0;padding:0;font:400 13px/1 Montserrat,Arial,sans-serif;letter-spacing:0;color:#525866;background:transparent;cursor:pointer;}
#nth-page-sections button.active,#nth-page-sections button:hover{color:#ed1c24;background:#fff;font-weight:600;}
#nth-page-sections button:focus-visible{outline:2px solid #ed1c24;outline-offset:-2px;}
#nth-mobile-section-status{display:none;}
@media(max-width:767px){
 #nth-page-sections{display:none;}
 #nth-mobile-section-status{display:flex;position:fixed;left:50%;transform:translateX(-50%);bottom:18px;z-index:80;align-items:center;gap:0;background:#fffffff2;border:1px solid #e5e7eb;border-radius:4px;box-shadow:0 2px 8px #0001;color:#4b5563;}
 #nth-mobile-section-status button{appearance:none;box-sizing:border-box;margin:0!important;flex:0 0 36px;width:36px;height:40px;border-radius:0;border:0;background:none;min-width:36px;min-height:40px;font:500 18px/1 Arial;color:#ed1c24;padding:8px;cursor:pointer;}
 #nth-mobile-section-status button:disabled{color:#9ca3af;cursor:default;}
 #nth-mobile-section-status span{font:500 11px/1.3 Montserrat,Arial,sans-serif;padding:0 3px;font-variant-numeric:tabular-nums;}
}

/* 05/10/2026 Claude: dien thoai dung cot so doc mep trai nhu may tinh (chu site yeu cau), bo thanh "< 01/03 >" nam ngang */
@media(max-width:767px){
 #nth-mobile-section-status{display:none!important;}
 #nth-page-sections{display:flex!important;width:30px;top:50%;max-height:calc(100dvh - 200px);background:rgba(8,14,20,.55);border-radius:0 10px 10px 0;box-shadow:0 8px 20px -10px rgba(0,0,0,.5);}
 #nth-page-sections button{flex:0 0 32px;min-height:32px;width:30px;font:500 11px/1 Montserrat,Arial,sans-serif;color:rgba(255,255,255,.85);}
 #nth-page-sections button.active,#nth-page-sections button:hover{color:#fff;background:#ed1c24;font-weight:700;}
 html.nth-scroll-page body{padding-left:30px;box-sizing:border-box;width:100%;max-width:100vw;overflow-x:hidden;}
}