.bp{--bp-ink:#0f172a;--bp-slate:#5b6577;--bp-line:#e6ebf3;--bp-soft:#f6f9ff;position:relative;overflow:hidden;font-family:"Plus Jakarta Sans",system-ui,sans-serif;color:var(--bp-ink);background:linear-gradient(180deg,#eef3fb,#fff 520px)}
.bp *{box-sizing:border-box}
.bp-prog{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--bp-ac),#00c2ff);z-index:1500;transition:width .1s linear}
.bp-amb{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.bp-amb::before{content:"";position:absolute;top:-180px;right:-120px;width:520px;height:420px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--bp-ac) 12%,transparent),transparent 70%)}
.bp-amb::after{content:"";position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--bp-ac) 6%,transparent) 1px,transparent 1.4px);background-size:28px 28px;-webkit-mask-image:radial-gradient(120% 60% at 80% 0%,#000,transparent 72%);mask-image:radial-gradient(120% 60% at 80% 0%,#000,transparent 72%)}
.bp-in{position:relative;z-index:1;max-width:1140px;margin:0 auto;padding:0 22px}
.bp .rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}.bp .rv.in{opacity:1;transform:none}
.bp-crumb{display:flex;gap:8px;align-items:center;font-size:.82rem;color:var(--bp-slate);padding:28px 0 0}.bp-crumb a{color:var(--bp-slate);text-decoration:none}.bp-crumb a:hover{color:var(--bp-ac)}.bp-crumb i{font-size:.6rem;color:#94a3b8}.bp-crumb .cur{color:var(--bp-ink);font-weight:600}
.bp-hero{padding:22px 0 8px;max-width:820px}
.bp-ey{display:inline-flex;align-items:center;gap:8px;font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--c,var(--bp-ac));background:color-mix(in srgb,var(--c,var(--bp-ac)) 12%,#fff);padding:7px 13px;border-radius:999px}
.bp-h1{font-family:"Sora","Poppins",sans-serif;font-size:clamp(1.9rem,4.6vw,3rem);font-weight:800;letter-spacing:-.035em;line-height:1.08;margin:14px 0 14px}
.bp-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--bp-slate);font-size:.85rem;font-weight:600}.bp-meta span{display:inline-flex;align-items:center;gap:7px}.bp-meta i{color:var(--bp-ac)}
.bp-figure{margin:24px 0 0;border-radius:22px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(15,23,42,.4);max-width:980px}.bp-figure img{width:100%;height:auto;display:block;max-height:460px;object-fit:cover}
.bp-fig{margin:26px 0;border-radius:18px;overflow:hidden}.bp-fig img{width:100%;height:auto;display:block}
.bp-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:40px 0 10px;align-items:start}
.bp-side{position:sticky;top:90px}
.bp-toc{background:#fff;border:1px solid var(--bp-line);border-radius:16px;padding:16px;box-shadow:0 10px 30px -22px rgba(15,23,42,.25)}
.bp-toc-h{display:flex;align-items:center;gap:8px;font-family:"Sora",sans-serif;font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--bp-slate);margin-bottom:10px}.bp-toc-h i{color:var(--bp-ac)}
.bp-toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.bp-toc a{display:block;padding:7px 10px;border-radius:9px;border-left:2px solid transparent;color:var(--bp-slate);font-size:.85rem;font-weight:600;text-decoration:none;transition:.2s}
.bp-toc a:hover{color:var(--bp-ink);background:var(--bp-soft)}
.bp-toc a.on{color:var(--bp-ac);border-left-color:var(--bp-ac);background:color-mix(in srgb,var(--bp-ac) 8%,#fff)}
.bp-body{min-width:0;max-width:760px}
.bp-qa{position:relative;background:linear-gradient(160deg,color-mix(in srgb,var(--bp-ac) 8%,#fff),#fff);border:1px solid color-mix(in srgb,var(--bp-ac) 25%,#fff);border-left:4px solid var(--bp-ac);border-radius:16px;padding:18px 20px;margin:0 0 28px;box-shadow:0 16px 36px -24px color-mix(in srgb,var(--bp-ac) 50%,transparent)}
.bp-qa-ey{display:inline-flex;align-items:center;gap:8px;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--bp-ac);margin-bottom:8px}
.bp-qa p{margin:0;font-size:1.02rem;line-height:1.65;color:#1f2a44}
.bp-content{font-size:1.04rem;line-height:1.78;color:#27324a}
.bp-content h2{font-family:"Sora","Poppins",sans-serif;font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;letter-spacing:-.02em;margin:38px 0 12px;scroll-margin-top:96px}
.bp-content h3{font-family:"Sora","Poppins",sans-serif;font-size:1.15rem;font-weight:700;margin:26px 0 8px;scroll-margin-top:96px}
.bp-content p{margin:0 0 16px}
.bp-content a{color:var(--bp-ac);font-weight:700;text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--bp-ac) 35%,transparent);transition:.2s}.bp-content a:hover{border-bottom-color:var(--bp-ac)}
.bp-content strong{color:var(--bp-ink)}
.bp-ul{margin:0 0 18px;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.bp-ul li{position:relative;padding-left:28px;color:#27324a}.bp-ul li::before{content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--bp-ac),#00c2ff)}
.rTableWrap{overflow-x:auto;margin:22px 0;border-radius:14px;border:1px solid var(--bp-line);background:#fff}
.rTable{width:100%;border-collapse:collapse;min-width:560px;font-size:.92rem}
.rTable thead th{background:linear-gradient(120deg,#0a1b3d,#0057ff);color:#fff;font-family:"Sora","Poppins",sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;padding:12px 16px;text-align:left}
.rTable tbody td{padding:12px 16px;border-top:1px solid var(--bp-line);color:#27324a}
.rTable tbody tr:nth-child(even){background:var(--bp-soft)}
.rTable tbody tr:hover{background:#eef4ff}
.bp-inlinks{margin:26px 0 0;padding:16px 18px;background:var(--bp-soft);border:1px solid var(--bp-line);border-radius:14px;font-size:.9rem;color:var(--bp-slate)}
.bp-inlinks i{color:var(--bp-ac);margin-right:6px}.bp-inlinks strong{color:var(--bp-ink)}
.bp-inlinks a{color:var(--bp-ac);font-weight:700;text-decoration:none}
.bp-faqsec{margin:40px 0 0}
.bp-h2{font-family:"Sora","Poppins",sans-serif;font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin:0 0 16px}
.bp-fq{background:#fff;border:1px solid var(--bp-line);border-radius:14px;margin-bottom:11px;overflow:hidden;transition:border-color .3s}.bp-fq:hover{border-color:color-mix(in srgb,var(--bp-ac) 35%,#fff)}
.bp-fq-h{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;background:none;border:none;cursor:pointer;font-family:"Sora",sans-serif;font-weight:600;font-size:1rem;text-align:left;color:var(--bp-ink)}
.bp-fq-t{flex:none;width:26px;height:26px;border-radius:8px;background:color-mix(in srgb,var(--bp-ac) 12%,#fff);color:var(--bp-ac);display:grid;place-items:center;font-size:.82rem;transition:transform .3s}.bp-fq.open .bp-fq-t{transform:rotate(45deg)}
.bp-fq-a{max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;padding:0 20px;color:var(--bp-slate);line-height:1.66}.bp-fq.open .bp-fq-a{max-height:340px;padding:0 20px 18px}
.bp-related{padding:30px 0 70px}
.bp-relcard{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:radial-gradient(120% 140% at 90% 0%,var(--bp-ac),transparent 60%),linear-gradient(120deg,#0a1b3d,#0057ff);color:#fff;border-radius:24px;padding:30px;box-shadow:0 30px 60px -28px rgba(0,40,120,.5)}
.bp-relcard h3{font-family:"Sora",sans-serif;font-size:1.4rem;font-weight:800;margin:10px 0 6px}
.bp-relcard p{margin:0;color:rgba(255,255,255,.82)}
.bp-relact{display:flex;gap:10px;flex-wrap:wrap}
.bp-btn{display:inline-flex;align-items:center;gap:9px;font-family:"Sora",sans-serif;font-weight:700;font-size:.9rem;padding:12px 20px;border-radius:13px;text-decoration:none;transition:transform .2s,filter .2s}
.bp-btna{background:#fff;color:#0057ff}.bp-btng{background:#25d366;color:#04260f}.bp-btn:hover{transform:translateY(-2px)}
@media(max-width:900px){.bp-layout{grid-template-columns:1fr;gap:24px}.bp-side{position:static;order:2}}
@media(prefers-reduced-motion:reduce){.bp .rv{opacity:1!important;transform:none!important}.bp-prog{transition:none}}