.post-detail{background:#f5f7fa;min-height:70vh;padding-bottom:80px}.post-detail>header{position:relative;min-height:420px;background:#0f294d;color:#fff;display:flex;align-items:end;overflow:hidden}.post-detail>header img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}.post-detail>header:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#071b3be6,transparent 75%)}.post-detail>header>div{position:relative;z-index:1;width:min(900px,calc(100% - 40px));margin:0 auto;padding:60px 0}.post-detail>header span{font-weight:800;color:#8fc1ff}.post-detail>header h1{font-size:clamp(34px,5vw,58px);line-height:1.2;margin:10px 0}.post-detail>article{width:min(820px,calc(100% - 40px));margin:-20px auto 0;position:relative;background:#fff;border-radius:14px;padding:45px;box-shadow:0 12px 35px #0f294d16;font-size:18px;line-height:1.9}.post-detail>article>strong{display:block;border-left:4px solid #287dfa;padding:12px 18px;margin-bottom:28px;background:#f4f8ff}.post-detail>article>a{display:inline-block;margin-top:35px;color:#287dfa;font-weight:700}@media(max-width:620px){.post-detail>header{min-height:340px}.post-detail>article{padding:26px 20px}}