*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body.ahhpc-body{font-family:system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft Yahei',sans-serif;background:#000d13;color:#e1edf5;
line-height:1.7}
a{color:inherit;text-decoration:none}
.ahhpc-container{max-width:1100px;margin:0 auto;padding:0 24px}
.ahhpc-narrow{max-width:760px}
.ahhpc-nav{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.55);
backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.12)}
.ahhpc-nav .ahhpc-container{display:flex;align-items:center;gap:24px;height:66px}
.ahhpc-logo{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800}
.ahhpc-logo img{border-radius:8px}
.ahhpc-navlinks{display:flex;gap:26px;margin-left:auto;color:#8dbdd8}
.ahhpc-navlinks a:hover{color:#3ebafe}
.ahhpc-cta{background:linear-gradient(135deg,#3ebafe,#019ef3);color:#001622;
font-weight:800;padding:11px 22px;border-radius:14px;transition:.15s}
.ahhpc-cta:hover{transform:translateY(-2px)}
.ahhpc-hero{padding:86px 0;
background:radial-gradient(800px 420px at 78% 0%,#012234,transparent 60%)}
.ahhpc-hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;
align-items:center}
.ahhpc-badge{display:inline-block;background:#001825;border:1px solid rgba(255,255,255,.12);
color:#3ebafe;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700}
.ahhpc-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;margin:18px 0;
font-weight:900;letter-spacing:-.5px}
.ahhpc-hero p{color:#8dbdd8;max-width:540px}
.ahhpc-hero-dl{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.ahhpc-hdl{background:linear-gradient(135deg,#3ebafe,#019ef3);color:#001622;
font-weight:800;padding:13px 24px;border-radius:14px;font-size:15.5px;
transition:.15s}
.ahhpc-hdl:hover{transform:translateY(-2px)}
.ahhpc-hero-logo{text-align:center}
.ahhpc-strip .ahhpc-container{display:grid;
grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);
border:1px solid rgba(255,255,255,.12);border-radius:20px;overflow:hidden;
margin-top:-20px}
.ahhpc-strip div{background:#001825;padding:22px;text-align:center}
.ahhpc-strip b{display:block;font-size:26px;color:#3ebafe;font-weight:900}
.ahhpc-strip span{font-size:13px;color:#8dbdd8}
.ahhpc-sec{padding:86px 0}
.ahhpc-alt{background:#001825}
.ahhpc-h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;margin-bottom:8px}
.ahhpc-lead{color:#8dbdd8;margin-bottom:34px}
.ahhpc-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
margin-top:36px}
.ahhpc-feat{display:flex;gap:16px;background:#012234;
border-left:3px solid #3ebafe;border-radius:0 18px 18px 0;
padding:22px}
.ahhpc-feat h3{font-size:18px;margin-bottom:5px}
.ahhpc-feat p{color:#8dbdd8;font-size:14px}
.ahhpc-nodes{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ahhpc-node{background:#012234;border:1px solid rgba(255,255,255,.12);padding:12px 18px;
border-radius:16px;font-weight:600}
.ahhpc-node b{color:#3ebafe}
.ahhpc-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);
gap:18px;margin-top:36px}
.ahhpc-steps li{background:#012234;border:1px solid rgba(255,255,255,.12);
border-radius:20px;padding:24px}
.ahhpc-steps b{color:#3ebafe;font-size:30px;font-weight:900}
.ahhpc-steps h3{margin:8px 0 6px;font-size:17px}
.ahhpc-steps p{color:#8dbdd8;font-size:14px}
.ahhpc-dl{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.ahhpc-dlcard{background:#012234;border:1px solid rgba(255,255,255,.12);
border-radius:18px;padding:28px 16px;text-align:center;transition:.2s;
display:block}
.ahhpc-dlcard:hover{transform:translateY(-4px);border-color:#3ebafe}
.ahhpc-dlcard h3{margin:8px 0 4px;font-size:18px}
.ahhpc-dlmeta{color:#8dbdd8;font-size:13px}
.ahhpc-faq details{background:#012234;border:1px solid rgba(255,255,255,.12);
border-radius:16px;padding:2px 20px;margin-bottom:12px}
.ahhpc-faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none}
.ahhpc-faq summary::-webkit-details-marker{display:none}
.ahhpc-faq p{color:#8dbdd8;padding-bottom:16px}
.ahhpc-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.ahhpc-quote{background:#012234;border:1px solid rgba(255,255,255,.12);
border-radius:18px;padding:22px;margin:0;font-size:14.5px}
.ahhpc-quote span{display:block;margin-top:9px;font-size:12.5px;color:#8dbdd8}
.ahhpc-flinks{background:#001825;border-top:1px solid rgba(255,255,255,.12);padding:34px 0}
.ahhpc-flinks h2{font-size:15px;color:#8dbdd8;margin-bottom:14px;font-weight:600}
.ahhpc-flinks-list{display:flex;flex-wrap:wrap;gap:10px 22px}
.ahhpc-flinks-list a{color:#3ebafe;font-size:14px}
.ahhpc-flinks-list a:hover{text-decoration:underline}
.ahhpc-ft{background:#000d13;border-top:1px solid rgba(255,255,255,.12);padding:30px 0;
text-align:center}
.ahhpc-ft-brand{display:flex;align-items:center;justify-content:center;gap:8px;
font-weight:800;margin-bottom:8px}
.ahhpc-ft a{color:#8dbdd8;margin:0 9px;font-size:13.5px}
.ahhpc-ft-copy{color:#8dbdd8;font-size:13px;margin-top:8px}
.ahhpc-doc{padding:86px 0;max-width:70ch}
.ahhpc-doc h1{font-size:32px;font-weight:900;margin-bottom:18px}
.ahhpc-doc h2{font-size:18px;font-weight:800;margin:24px 0 6px}
.ahhpc-doc p{color:#8dbdd8;margin-bottom:12px}
@media(max-width:900px){
.ahhpc-hero-in{grid-template-columns:1fr}
.ahhpc-hero-logo{display:none}
.ahhpc-feats,.ahhpc-steps,.ahhpc-dl,.ahhpc-quotes,
.ahhpc-strip .ahhpc-container{grid-template-columns:1fr 1fr}
.ahhpc-navlinks{display:none}
}
@media(max-width:560px){
.ahhpc-feats,.ahhpc-steps,.ahhpc-dl,.ahhpc-quotes{grid-template-columns:1fr}
}