.item-detail{min-height:calc(100vh - 72px);padding:132px clamp(24px,6vw,96px) 90px;background:radial-gradient(circle at 78% 28%,rgba(51,169,221,.16),transparent 30%),linear-gradient(145deg,#06101c,#0b1929 55%,#07111e);overflow:hidden}.item-back{display:inline-flex;margin-bottom:32px;color:#9eb3c9;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;transition:.2s}.item-back:hover{color:#6bd7ff;transform:translateX(-3px)}.item-layout{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(360px,1.1fr);gap:clamp(42px,7vw,100px);align-items:center;max-width:1180px;margin:auto}.item-art{position:relative;display:grid;place-items:center;min-height:510px}.item-art:before,.item-art:after{content:"";position:absolute;border:1px solid rgba(84,204,255,.16);transform:rotate(45deg);width:78%;aspect-ratio:1}.item-art:after{width:58%;border-color:rgba(235,195,93,.16)}.item-image-frame{position:relative;z-index:1;width:min(100%,500px);aspect-ratio:1;display:grid;place-items:center;padding:22px}.item-image-frame img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 22px 34px rgba(0,0,0,.55)) drop-shadow(0 0 24px rgba(64,190,255,.2))}.item-information{position:relative;padding:clamp(32px,5vw,60px);border:1px solid rgba(129,200,229,.2);background:linear-gradient(145deg,rgba(15,32,49,.92),rgba(7,17,29,.96));box-shadow:0 28px 70px rgba(0,0,0,.38)}.item-information:before,.item-information:after{content:"";position:absolute;width:44px;height:44px;border-color:#d3ad55}.item-information:before{left:-1px;top:-1px;border-left:2px solid;border-top:2px solid}.item-information:after{right:-1px;bottom:-1px;border-right:2px solid;border-bottom:2px solid}.item-system{margin:0 0 16px;color:#62d4ff;font-size:.72rem;font-weight:700;letter-spacing:.2em}.item-information h1{margin:0;color:#f3f7fb;font-family:Cinzel,serif;font-size:clamp(2.5rem,5vw,4.75rem);line-height:1.02}.item-price{display:flex;align-items:baseline;gap:12px;margin-top:24px}.item-price strong{color:#e2c06d;font-family:Cinzel,serif;font-size:clamp(1.8rem,3vw,2.7rem)}.item-price span{color:#7890a7;font-size:.7rem;font-weight:700;letter-spacing:.18em}.item-divider{display:flex;align-items:center;gap:12px;margin:30px 0;color:#d3ad55}.item-divider i{height:1px;flex:1;background:rgba(211,173,85,.4)}.item-information h2{margin:0 0 14px;color:#dce8f2;font-family:Cinzel,serif;font-size:1rem;letter-spacing:.12em;text-transform:uppercase}.item-description{margin:0;color:#a9bbcb;line-height:1.85;white-space:pre-line}@media(max-width:820px){.item-detail{padding-top:110px}.item-layout{grid-template-columns:1fr;gap:20px}.item-art{min-height:auto}.item-image-frame{max-width:390px}.item-information{padding:32px}}