/* HƯỚNG DẪN CÀI ĐẶT + HỖ TRỢ — cùng một hệ màu với website */
.detail-install-guide,.detail-install-support{
  --guide-accent:var(--red,#ff4059);
  --guide-border:rgba(255,64,89,.24);
  --guide-panel:#101116;
  --guide-panel2:#14151b;
  border-color:var(--guide-border)!important;
  background:linear-gradient(145deg,rgba(18,19,25,.94),rgba(10,11,15,.96))!important;
}
.detail-install-guide{padding:20px!important;overflow:hidden}
.detail-install-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.detail-install-head h3{margin:0 0 5px;font-size:19px;font-weight:900;color:var(--text,#f7f7f8)}
.detail-install-head p{margin:0;color:var(--muted,#858995);font-size:9px}
.detail-install-head>span{
  flex:none;padding:6px 9px;border:1px solid var(--guide-border);border-radius:999px;
  color:#ff8294;background:rgba(255,64,89,.08);font-size:7px;font-weight:900
}
.detail-install-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.detail-install-item{
  position:relative;min-width:0;padding:14px;border:1px solid rgba(255,255,255,.075);
  border-radius:14px;background:linear-gradient(145deg,var(--guide-panel2),#0d0e13);overflow:hidden
}
.detail-install-item:after{
  content:"";position:absolute;width:84px;height:84px;border-radius:50%;right:-38px;top:-40px;
  background:rgba(255,64,89,.07);pointer-events:none
}
.detail-install-title{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.detail-install-icon{
  width:31px;height:31px;flex:none;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(135deg,#ff5269,#d7193d);color:#fff;font-size:11px;
  box-shadow:0 8px 20px rgba(255,64,89,.16)
}
.detail-install-title b{display:block;font-size:10px;color:#f5f5f7}
.detail-install-title small{display:block;margin-top:3px;font-size:7px;color:#70747e}
.detail-install-steps{display:grid;gap:6px}
.detail-install-steps p{margin:0;color:#d7d8de;font-size:9px;line-height:1.55}
.detail-install-steps p b,.detail-install-steps strong{color:#fff}
.detail-install-note{
  margin-top:11px;padding:8px 9px;border:1px solid rgba(255,64,89,.12);border-radius:9px;
  background:rgba(255,64,89,.035);color:#777b86;font-size:7px;line-height:1.5
}

/* Hộp hỗ trợ ngay bên dưới */
.detail-install-support{
  min-height:82px;padding:15px 18px!important;display:flex;align-items:center;
  justify-content:space-between;gap:18px
}
.detail-support-copy{display:flex;align-items:center;gap:11px;min-width:0}
.detail-support-icon{
  width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:rgba(255,64,89,.10);border:1px solid rgba(255,64,89,.22);
  color:#ff6e83;font-size:15px;font-weight:950
}
.detail-support-copy b{display:block;color:#f7f7f8;font-size:12px}
.detail-support-copy small{display:block;margin-top:4px;color:#747883;font-size:8px;line-height:1.45}
.detail-support-btn{
  flex:none;min-height:38px;padding:0 15px;border:1px solid rgba(255,64,89,.34);
  border-radius:11px;background:linear-gradient(135deg,#ff4059,#d7193d);
  color:#fff;font-size:9px;font-weight:900;cursor:pointer;box-shadow:0 8px 22px rgba(255,64,89,.15)
}
.detail-support-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}

@media(max-width:900px){.detail-install-grid{grid-template-columns:1fr}}
@media(max-width:600px){
  .detail-install-guide{padding:14px!important}
  .detail-install-head{align-items:flex-start}
  .detail-install-head h3{font-size:17px}
  .detail-install-head>span{font-size:6px}
  .detail-install-item{padding:12px}
  .detail-install-steps p{font-size:10px}
  .detail-install-support{padding:13px!important;align-items:flex-start;flex-direction:column}
  .detail-support-btn{width:100%}
}