/* AA扑克 AApoker · 深蓝青光主题 */
:root{
  --bg:#070e18;--bg2:#0c1624;--bg3:#132033;--panel:#18293f;
  --line:rgba(94,200,255,.28);--line2:rgba(255,255,255,.08);
  --cyan:#5ec8ff;--cyan2:#9adfff;--cyan3:#2a8fc4;
  --ink:#e8f2ff;--muted:#9bb0c7;--muted2:#6d8299;
  --ok:#6ee7b7;--warn:#fbbf24;
  --radius:16px;--shadow:0 20px 48px rgba(0,0,0,.45);--max:1140px;
  --font:"Segoe UI","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --display:"Trebuchet MS","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.8;font-size:16px}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan);text-decoration:none;transition:.2s}a:hover{color:#fff}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.28;font-weight:800;color:#fff}
h1{font-family:var(--display);font-size:clamp(28px,4.2vw,48px);letter-spacing:.5px}
h2{font-size:clamp(22px,2.6vw,32px)}h3{font-size:clamp(17px,1.5vw,20px)}
p{margin:0 0 1em}ul,ol{margin:0 0 1em;padding-left:1.2em}li{margin:.28em 0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.topbar{background:linear-gradient(90deg,#06101c,#123050 50%,#06101c);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px}
.topbar .tag{background:var(--cyan3);color:#fff;font-weight:800;font-size:11px;padding:2px 8px;border-radius:4px;margin-right:8px;letter-spacing:1px}
@media(max-width:800px){.topbar .r{display:none}}

.hd{position:sticky;top:0;z-index:90;background:rgba(7,14,24,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line2)}
.hd.scrolled{box-shadow:0 10px 28px rgba(0,0,0,.4);border-color:var(--line)}
.hd-in{display:flex;align-items:center;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo img{width:38px;height:38px;border-radius:11px;border:1px solid var(--line)}
.logo b{display:block;font-size:16px;letter-spacing:1.2px;color:#fff}
.logo small{display:block;font-size:10.5px;color:var(--cyan);letter-spacing:2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{color:var(--ink);font-size:13.6px;padding:8px 9px;border-radius:8px;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{background:rgba(94,200,255,.12);color:var(--cyan2)}
.burger{display:none;margin-left:auto;width:42px;height:36px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--cyan2);font-size:18px;cursor:pointer}
@media(max-width:1080px){.nav a{padding:8px 6px;font-size:12.6px}}
@media(max-width:960px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(300px,84vw);background:var(--bg2);border-left:1px solid var(--line);flex-direction:column;align-items:stretch;padding:78px 16px 24px;transform:translateX(105%);transition:.28s;margin:0;overflow:auto}
  .nav.open{transform:none;box-shadow:-18px 0 48px rgba(0,0,0,.55)}
  .nav a{padding:12px 14px;border-bottom:1px solid var(--line2);border-radius:0;font-size:15px}
  .burger{display:block}.hd .cta{display:none}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:80}
}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:700;font-size:14px;border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
.btn-p{background:linear-gradient(135deg,var(--cyan2),var(--cyan));color:#042038;box-shadow:0 8px 22px rgba(94,200,255,.28)}
.btn-p:hover{transform:translateY(-2px);color:#021525}
.btn-g{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.03)}
.btn-g:hover{border-color:var(--cyan);color:var(--cyan2)}
.btn-s{padding:8px 15px;font-size:13px}.btns{display:flex;flex-wrap:wrap;gap:11px}

.sec{padding:70px 0}.sec-alt{background:linear-gradient(180deg,var(--bg2),var(--bg));border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:2.2px;font-weight:700;color:var(--cyan);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--cyan);border-radius:2px}
.sec-h{margin-bottom:32px;max-width:780px}.sec-h p{color:var(--muted);margin:0}
.sec-r{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:28px}
.sec-r .sec-h{margin:0}.link-more{font-weight:700;font-size:14px;white-space:nowrap}
.lead{font-size:clamp(15px,1.3vw,17px);color:#c5d6ea}

.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);min-height:520px}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.4}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,14,24,.97) 0%,rgba(7,14,24,.78) 48%,rgba(7,14,24,.5) 100%),radial-gradient(680px 300px at 78% 30%,rgba(42,143,196,.28),transparent 70%)}
.hero-in{position:relative;padding:78px 0 70px;max-width:720px}
.hero h1 em{font-style:normal;color:var(--cyan2)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{border:1px solid var(--line);background:rgba(0,0,0,.35);padding:5px 11px;border-radius:999px;font-size:12px;color:#c5d6ea}
.chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:6px;vertical-align:middle}

.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,rgba(94,200,255,.08),rgba(255,255,255,.02));margin-top:-34px;position:relative;z-index:4}
.stats>div{padding:20px;border-right:1px solid var(--line2)}.stats>div:last-child{border-right:0}
.stats b{display:block;font-size:clamp(19px,2.1vw,26px);color:var(--cyan2);line-height:1.2}
.stats span{display:block;font-size:12.8px;color:var(--muted);margin-top:5px}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr;margin-top:0}.stats>div:nth-child(2n){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line2)}}

.g{display:grid;gap:16px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:940px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel),var(--bg3));border:1px solid var(--line2);border-radius:var(--radius);padding:22px;height:100%;transition:.22s}
.card:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:var(--shadow)}
.card .n{font-size:11.5px;letter-spacing:2px;color:var(--cyan);font-weight:800;display:block;margin-bottom:9px}
.card p{color:var(--muted);font-size:14px;margin:0}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split.flip .media{order:-1}
@media(max-width:860px){.split{grid-template-columns:1fr}.split.flip .media{order:0}}
.split ul{list-style:none;padding:0;margin:14px 0 0}
.split li{position:relative;padding-left:22px;color:#c5d6ea;font-size:14.4px;margin:.5em 0}
.split li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--cyan)}

.fig{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg3);box-shadow:var(--shadow)}
.fig img{width:100%;height:100%;object-fit:cover}
.fig figcaption{padding:9px 13px;font-size:12.2px;color:var(--muted);border-top:1px solid var(--line2);background:rgba(0,0,0,.28)}
.fig-w img{aspect-ratio:16/9}.fig-t img{aspect-ratio:3/4}.fig-s img{aspect-ratio:1}
.slot{display:grid;place-items:center;text-align:center;min-height:170px;border:1px dashed rgba(94,200,255,.45);border-radius:var(--radius);background:repeating-linear-gradient(45deg,rgba(255,255,255,.02) 0 10px,transparent 10px 20px);color:var(--muted2);font-size:13px;padding:18px;gap:4px}
.slot b{color:var(--cyan);letter-spacing:1px}

.box{border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;background:var(--bg3)}
table.cmp{width:100%;border-collapse:collapse;min-width:580px;font-size:14px}
table.cmp th,table.cmp td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line2);vertical-align:top}
table.cmp thead th{background:linear-gradient(180deg,rgba(94,200,255,.15),rgba(94,200,255,.04));color:var(--cyan2);font-size:13px}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{color:#fff;font-weight:600;white-space:nowrap}
table.cmp .y{color:var(--ok)}table.cmp .n{color:var(--muted2)}
table.sch{width:100%;border-collapse:collapse;font-size:13.8px}
table.sch th,table.sch td{padding:10px 13px;border-bottom:1px solid var(--line2);text-align:left}
table.sch thead th{color:var(--cyan2);background:rgba(94,200,255,.1)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:940px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.cards{grid-template-columns:1fr}}
.tile{display:flex;flex-direction:column;height:100%;overflow:hidden;background:linear-gradient(180deg,var(--panel),var(--bg3));border:1px solid var(--line2);border-radius:var(--radius);transition:.22s}
.tile:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:var(--shadow)}
.tile .ph{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.tile .ph img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.tile:hover .ph img{transform:scale(1.04)}
.tile .lab{position:absolute;left:10px;top:10px;background:rgba(7,14,24,.88);border:1px solid var(--line);color:var(--cyan2);font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;letter-spacing:1px}
.tile .tx{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.tile .meta{font-size:12px;color:var(--muted2);margin-bottom:7px}
.tile h3{font-size:16px;margin-bottom:7px}.tile h3 a{color:#fff}.tile h3 a:hover{color:var(--cyan2)}
.tile p{color:var(--muted);font-size:13.5px;flex:1;margin-bottom:11px}
.tile .go{font-size:13px;font-weight:700;color:var(--cyan)}

.pager{display:flex;justify-content:center;align-items:center;gap:7px;flex-wrap:wrap;margin-top:36px}
.pager button{min-width:40px;height:40px;padding:0 12px;border-radius:9px;cursor:pointer;background:var(--bg3);border:1px solid var(--line2);color:var(--ink);font-family:inherit;font-size:14px;font-weight:600}
.pager button:hover:not(:disabled){border-color:var(--cyan);color:var(--cyan2)}
.pager button[aria-current=true]{background:linear-gradient(135deg,var(--cyan2),var(--cyan));border-color:transparent;color:#042038}
.pager button:disabled{opacity:.35;cursor:not-allowed}
.pager-info{text-align:center;color:var(--muted2);font-size:13px;margin-top:11px}

.crumb{font-size:13px;color:var(--muted2);padding:16px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0}
.crumb li::after{content:"/";margin-left:7px;color:rgba(255,255,255,.18)}
.crumb li:last-child::after{content:""}.crumb a{color:var(--muted)}
.page-h{border-bottom:1px solid var(--line2);background:linear-gradient(180deg,rgba(42,143,196,.12),transparent);padding-bottom:34px}
.page-h .eyebrow{margin-top:12px}.page-h p{color:var(--muted);max-width:760px;margin:0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:36px;align-items:start}
@media(max-width:920px){.layout{grid-template-columns:1fr}}
.article{max-width:760px}
.article .am{display:flex;flex-wrap:wrap;gap:8px 15px;font-size:12.8px;color:var(--muted2);padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--line2)}
.article .am b{color:var(--cyan)}
.article h2{font-size:clamp(18px,2vw,24px);margin-top:36px;padding-left:11px;border-left:3px solid var(--cyan)}
.article h3{font-size:17px;margin-top:24px;color:var(--cyan2)}
.article p,.article li{color:#c5d6ea}.article .fig{margin:22px 0}
.callout{border:1px solid var(--line);border-radius:var(--radius);background:rgba(42,143,196,.12);padding:16px 18px;margin:20px 0}
.callout b{color:var(--cyan2)}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:28px}
.tags a{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);background:var(--bg3)}
.side{position:sticky;top:88px;display:grid;gap:14px}
.side-b{border:1px solid var(--line2);border-radius:var(--radius);background:var(--bg3);padding:16px}
.side-b h4{font-size:13px;letter-spacing:1.2px;color:var(--cyan);margin:0 0 11px}
.side-b ul{list-style:none;padding:0;margin:0}
.side-b li{padding:7px 0;border-bottom:1px dashed var(--line2);font-size:13.5px}
.side-b li:last-child{border-bottom:0}.side-b a{color:#c5d6ea}.side-b .btn{width:100%}
@media(max-width:920px){.side{position:static}}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line2)}
.pn a{border:1px solid var(--line2);border-radius:var(--radius);padding:13px 15px;background:var(--bg3);color:#c5d6ea;font-size:13.5px}
.pn a:hover{border-color:var(--cyan)}.pn small{display:block;color:var(--muted2);font-size:11px;margin-bottom:4px;letter-spacing:1px}
@media(max-width:580px){.pn{grid-template-columns:1fr}}

.faq{display:grid;gap:9px}
.faq details{border:1px solid var(--line2);border-radius:var(--radius);background:var(--bg3)}
.faq details[open]{border-color:var(--line)}
.faq summary{cursor:pointer;padding:14px 46px 14px 16px;position:relative;font-weight:600;color:#fff;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:19px}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 16px 14px;color:var(--muted);font-size:14px}
.steps{counter-reset:s;display:grid;gap:11px;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:15px 16px 15px 54px;border:1px solid var(--line2);border-radius:var(--radius);background:var(--bg3);margin:0}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:16px;top:15px;font-weight:800;color:var(--cyan);font-size:14px}
.steps b{display:block;color:#fff;margin-bottom:2px}.steps span{color:var(--muted);font-size:13.5px}
.quote{border:1px solid var(--line2);border-radius:var(--radius);background:var(--bg3);padding:20px;margin:0}
.quote p{color:#c5d6ea;font-size:14.2px}.quote footer{color:var(--cyan);font-size:12.8px;font-weight:600}
.dl{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:780px){.dl{grid-template-columns:1fr}}
.dlc{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(94,200,255,.1),var(--bg3));padding:24px 20px;text-align:center;transition:.22s}
.dlc:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.dlc .os{font-size:11.5px;letter-spacing:2.4px;color:var(--cyan);font-weight:800}
.dlc h3{margin:8px 0 4px;font-size:19px}.dlc .ver{color:var(--muted2);font-size:12px;margin-bottom:12px}
.dlc ul{list-style:none;padding:0;margin:0 0 14px;text-align:left}
.dlc li{font-size:13.2px;color:var(--muted);padding-left:17px;position:relative}
.dlc li::before{content:"✓";position:absolute;left:0;color:var(--ok)}

.cta-band{position:relative;overflow:hidden;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band-bg{position:absolute;inset:0}.cta-band-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.cta-band-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,14,24,.84),rgba(7,14,24,.94))}
.cta-band .wrap{position:relative;padding:60px 22px}.cta-band p{color:#c5d6ea;max-width:680px;margin:0 auto 20px}.cta-band .btns{justify-content:center}

.ft{background:var(--bg2);border-top:1px solid var(--line);padding:46px 0 0;font-size:14px}
.ft-g{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:26px;padding-bottom:28px}
@media(max-width:840px){.ft-g{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.ft-g{grid-template-columns:1fr}}
.ft-g h5{font-size:12.5px;color:var(--cyan);letter-spacing:1.3px;margin:0 0 11px}
.ft-g ul{list-style:none;padding:0;margin:0}.ft-g li{margin:7px 0}.ft-g a{color:var(--muted);font-size:13.2px}
.ft-about p{color:var(--muted);font-size:13.2px;max-width:330px}
.ft-brand{display:flex;align-items:center;gap:9px;margin-bottom:11px}
.ft-brand img{width:38px;height:38px;border-radius:10px;border:1px solid var(--line)}
.ft-brand b{color:#fff;font-size:15px;letter-spacing:1.4px}
.ft-n{border-top:1px solid var(--line2);padding:15px 0 22px;color:var(--muted2);font-size:12.2px;line-height:1.7}
.ft-n .rg{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--cyan);font-weight:700;font-size:11px;margin-right:7px}
.ft-b{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:9px}
.to-top{position:fixed;right:16px;bottom:20px;z-index:60;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--bg3);border:1px solid var(--line);color:var(--cyan);cursor:pointer;font-size:16px;opacity:0;pointer-events:none;transition:.25s}
.to-top.show{opacity:1;pointer-events:auto}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}