/* 平行世界AI · 跨宇宙传送门 */
:root{
  --void:#070B18;
  --night:#0C1226;
  --panel:#101A36;
  --panel2:#152143;
  --blue:#1B6BE6;
  --blue-lt:#5B93F2;
  --mag:#FF2E88;
  --white:#EAF1FF;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
body{background:var(--void);color:var(--white);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:1100px;max-width:calc(100% - 40px);margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.btn{display:inline-block;padding:11px 26px;border:2px solid var(--blue);font-weight:700;font-size:15px;cursor:pointer;transition:transform .12s}
.btn:hover{transform:translate(-2px,-2px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-mag{background:var(--mag);border-color:var(--mag);color:#fff}
.btn-linemag{background:transparent;color:var(--mag);border-color:var(--mag)}
.btn-lg{padding:14px 34px;font-size:16px}
.xkick{display:flex;align-items:center;gap:10px;font-style:normal;font-size:12px;letter-spacing:3px;color:var(--blue-lt);margin-bottom:14px}
.xkick i{display:inline-block;background:var(--mag);color:#fff;font-style:normal;padding:2px 8px;letter-spacing:1px}

/* bar */
.xbar{position:sticky;top:0;z-index:50;background:rgba(7,11,24,.94);border-bottom:2px solid var(--blue)}
.xbar-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.xlogo{display:flex;align-items:center;gap:10px}
.xlogo img{border:2px solid var(--blue)}
.xlogo-t{display:flex;flex-direction:column;line-height:1.2}
.xlogo-t strong{font-size:16px;letter-spacing:1px}
.xlogo-t small{font-size:11px;color:var(--blue-lt)}
.xnav{display:flex;gap:6px}
.xnav a{padding:7px 13px;font-size:14px;color:#93A4CC;border:2px solid transparent}
.xnav a:hover,.xnav a.on{color:var(--blue-lt);border-color:var(--blue)}
.xbar-r{display:flex;align-items:center;gap:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:3px;background:var(--blue-lt)}

/* hero */
.xhe{background:var(--night);border-bottom:2px solid var(--blue);padding:64px 0 88px}
.xhe-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.xhe-l h1{font-size:52px;letter-spacing:3px;line-height:1.12;margin:2px 0 18px;color:#fff}
.xhe-l .lead{font-size:15px;color:#B9C6E4;max-width:560px}
.xhe-acts{display:flex;gap:16px;margin:28px 0 20px;flex-wrap:wrap}
.xtags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-bottom:22px}
.xtags li{border:2px solid var(--mag);color:var(--mag);font-size:12px;padding:3px 12px}
.xnote{font-size:12px;color:#7486AC;display:flex;align-items:center;gap:8px}
.xnote .dot{width:9px;height:9px;background:var(--blue-lt);animation:blink 1.6s steps(1) infinite}
@keyframes blink{50%{opacity:.15}}

/* portal gate */
.gate{position:relative;background:var(--panel);border:2px solid var(--blue);box-shadow:14px 14px 0 var(--mag)}
.gate-h{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:2px solid var(--blue);font-size:11px;letter-spacing:2px;color:var(--blue-lt)}
.gate-h img{border:1px solid var(--blue-lt)}
.gate-st{margin-left:auto;color:#04122E;background:var(--blue-lt);font-weight:700;padding:1px 9px}
.gate-body{position:relative;margin:20px;padding:28px 22px;background:var(--void);border:2px solid var(--blue);display:flex;justify-content:center}
.gb{position:absolute;width:22px;height:22px;border:3px solid var(--blue-lt)}
.gb1{top:8px;left:8px;border-right:0;border-bottom:0}
.gb2{bottom:8px;right:8px;border-left:0;border-top:0}
.monitor{width:300px;background:var(--panel2);border:2px solid var(--blue-lt);padding:8px}
.mon-bar{display:flex;align-items:center;gap:5px;padding:2px 2px 7px}
.mon-bar i{width:9px;height:9px;background:var(--mag)}
.mon-bar i:nth-child(2){background:var(--blue-lt)}
.mon-bar i:nth-child(3){background:#33446E}
.mon-bar b{margin-left:auto;font-size:10px;letter-spacing:1px;color:var(--blue-lt)}
.monitor img{width:100%;height:auto;border:1px solid var(--blue)}
.px{position:absolute;width:8px;height:8px;background:var(--mag);transform:rotate(45deg)}
.p1{left:18px;top:30px}.p2{right:22px;top:48px;background:var(--blue-lt)}
.p3{left:26px;bottom:24px;width:6px;height:6px}.p4{right:30px;bottom:20px;width:6px;height:6px;background:var(--blue-lt)}
.gate-foot{display:flex;justify-content:space-between;padding:10px 14px;border-top:2px solid var(--blue);font-size:11px;color:#93A4CC;letter-spacing:1px}
.gate-foot b{color:var(--blue-lt)}
.gate-tag{position:absolute;padding:8px 12px;min-width:128px;border:2px solid var(--blue)}
.gate-tag b{display:block;font-size:14px}
.gate-tag span{font-size:11px;color:#B9C6E4}
.gta{left:-14px;bottom:-22px;background:#0A1A3D}
.gta b{color:var(--blue-lt)}
.gtb{right:-12px;top:38%;background:#2A0E22;border-color:var(--mag)}
.gtb b{color:var(--mag)}

/* band */
.xpb{background:var(--mag);box-shadow:12px -12px 0 var(--blue)}
.xpb-in{display:grid;grid-template-columns:repeat(4,1fr)}
.xp{position:relative;display:flex;flex-direction:column;padding:20px 26px;color:#fff;border-right:2px solid rgba(255,255,255,.35);min-width:0}
.xp:last-child{border-right:0}
.xp b{font-size:25px;letter-spacing:1px}
.xp span{font-size:13px;opacity:.92}
.xp i{position:absolute;right:-6px;top:50%;width:10px;height:10px;background:var(--void);transform:translateY(-50%) rotate(45deg)}
.xp:last-child i{display:none}

/* sections */
.sec-h{text-align:center;margin-bottom:42px}
.sec-h .xkick{justify-content:center}
.sec-h h2{font-size:30px;letter-spacing:2px;color:#fff}
.sec-sub{color:#93A4CC;font-size:14px;margin-top:10px}
.xft{padding:78px 0}
.hatches{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;background:var(--night);border:2px solid var(--blue);padding:36px;box-shadow:-14px -10px 0 var(--mag)}
.xh{background:var(--panel);border:2px solid #2C3E6E;padding:20px 20px 22px}
.xh:hover{border-color:var(--blue-lt)}
.xh-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.xh-id{font-family:Consolas,monospace;font-size:12px;color:var(--blue-lt);letter-spacing:1px}
.xh-led{width:12px;height:12px;background:var(--blue-lt);transform:rotate(45deg)}
.xh-led.mag{background:var(--mag)}
.xh h3{font-size:17px;color:#fff;margin-bottom:8px}
.xh p{font-size:13.5px;color:#B9C6E4}

/* monitors */
.xga{padding:78px 0;background:var(--night);border-top:2px solid var(--mag);border-bottom:2px solid var(--mag)}
.xmons{display:flex;align-items:flex-start;justify-content:center;gap:24px;background:var(--void);border:2px solid var(--blue);padding:40px 26px;box-shadow:16px 8px 0 var(--blue)}
.xm{flex:none;width:200px;background:var(--panel);border:2px solid var(--blue-lt);padding:8px}
.xm-bar{display:flex;align-items:center;gap:4px;padding-bottom:7px}
.xm-bar i{width:8px;height:8px;background:var(--mag)}
.xm-bar i:nth-child(2){background:var(--blue-lt)}
.xm-bar i:nth-child(3){background:#33446E}
.xm-bar b{margin-left:auto;font-size:9px;letter-spacing:1px;color:var(--blue-lt)}
.xm img{width:100%;height:auto;border:1px solid var(--blue)}
.xm figcaption{text-align:center;font-size:11px;color:#B9C6E4;margin-top:8px;letter-spacing:1px}
.m1{margin-top:0}.m2{margin-top:34px}.m3{margin-top:10px}.m4{margin-top:40px;width:224px}.m5{margin-top:18px;width:224px}

/* terminal steps */
.xfl{padding:78px 0}
.xterm{background:var(--night);border:2px solid var(--blue);padding:34px 38px;box-shadow:10px 16px 0 var(--mag)}
.xstep{padding:16px 0;border-bottom:2px dashed #2C3E6E}
.xstep:last-child{border-bottom:0}
.xstep code{display:inline-block;font-family:Consolas,monospace;font-size:12.5px;color:var(--mag);background:var(--void);border:1px solid var(--mag);padding:2px 10px;margin-bottom:8px}
.xstep h3{font-size:18px;color:#fff;margin-bottom:4px}
.xstep p{font-size:14px;color:#B9C6E4}

/* coordinate log */
.xak{padding:78px 0;background:var(--night);border-top:2px solid var(--blue)}
.xlog{background:var(--panel);border:2px solid var(--blue);box-shadow:0 14px 0 var(--blue)}
.xq{border-bottom:2px solid #24345E}
.xq:last-child{border-bottom:0}
.xq summary{display:grid;grid-template-columns:84px 1fr 30px;align-items:center;gap:14px;padding:19px 26px;cursor:pointer;list-style:none}
.xq summary::-webkit-details-marker{display:none}
.xq-id{font-family:Consolas,monospace;font-size:13px;color:var(--mag);font-weight:700}
.xq-t{font-size:16px;font-weight:700;color:#fff}
.xq-x{position:relative;width:16px;height:16px;justify-self:end}
.xq-x::before,.xq-x::after{content:"";position:absolute;background:var(--blue-lt);top:7px;left:0;width:16px;height:2px}
.xq-x::after{transform:rotate(90deg);transition:transform .18s}
.xq[open] .xq-x::after{transform:rotate(0)}
.xq-a{padding:0 26px 20px 124px;color:#B9C6E4;font-size:14px}

/* transmissions */
.xvo{padding:78px 0}
.xcomms{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;background:var(--night);border:2px solid var(--mag);padding:38px 36px;box-shadow:-16px 8px 0 var(--mag)}
.xc{background:var(--panel);border:2px solid #2C3E6E;padding:16px 18px}
.xc1{border-color:#3A2A55}
.xc-sig{display:flex;align-items:center;gap:4px;margin-bottom:10px}
.xc-sig i{width:8px;height:8px;background:var(--blue-lt)}
.xc-sig i.off{background:#33446E}
.xc-sig b{margin-left:auto;font-family:Consolas,monospace;font-size:10px;color:var(--mag);letter-spacing:1px}
.xc p{font-size:13.5px;color:#D2DBF2}
.xc footer{margin-top:12px;padding-top:9px;border-top:2px solid #24345E;display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#7486AC;flex-wrap:wrap}
.xc footer b{color:var(--blue-lt);font-size:12px}

/* cta */
.xct{padding:78px 0;background:var(--night);border-top:2px solid var(--mag)}
.xct-box{text-align:center;background:var(--panel);border:3px solid var(--blue);padding:58px 30px;box-shadow:12px -14px 0 var(--blue)}
.xct-sign{display:inline-block;border:2px solid var(--mag);color:var(--mag);font-size:12px;letter-spacing:3px;padding:4px 18px;margin-bottom:22px;animation:blink 1.8s steps(1) infinite}
.xct-box h2{font-size:30px;letter-spacing:2px;color:#fff;margin-bottom:12px}
.xct-p{color:#B9C6E4;font-size:14px;margin-bottom:28px}
.xct-note{margin-top:16px;font-size:12px;color:#7486AC}

/* footer */
.xfoot{background:var(--void);border-top:2px solid var(--blue);padding:36px 0 30px}
.xfoot-in{text-align:center}
.xfoot-brand{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--blue-lt);font-weight:700;margin-bottom:16px}
.xfoot-brand img{border:1px solid var(--blue)}
.xfoot-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 22px;font-size:13px;color:#93A4CC;margin-bottom:18px}
.xfoot-nav a:hover{color:var(--blue-lt)}
.xfoot-icp{font-size:12px;color:#7486AC;margin-bottom:4px}
.xfoot-c{font-size:12px;color:#4E5E82}

.backtop{position:fixed;right:24px;bottom:40px;width:44px;height:44px;background:var(--blue);color:#fff;border:2px solid var(--blue-lt);font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .2s;z-index:60}
.backtop.show{opacity:1;visibility:visible}

.rv{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.rv.in{opacity:1;transform:none}

@media(max-width:900px){
  .xhe-r{display:flex;justify-content:center}
  .xhe-in{grid-template-columns:1fr;gap:54px}
  .gate{width:100%;max-width:430px}
  .xpb-in{grid-template-columns:1fr 1fr}
  .xp:nth-child(2){border-right:0}
  .xp:nth-child(1),.xp:nth-child(2){border-bottom:2px solid rgba(255,255,255,.35)}
  .xp:nth-child(3) i{display:none}
  .hatches{grid-template-columns:1fr 1fr}
  .xcomms{grid-template-columns:1fr 1fr}
  .xmons{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding:32px 18px}
}
@media(max-width:640px){
  .burger{display:flex}
  .xnav{position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--night);border-bottom:2px solid var(--blue);display:none;padding:8px 20px}
  .xnav.open{display:flex}
  .xhe-l h1{font-size:36px}
  .gate{box-shadow:9px 9px 0 var(--mag)}
  .monitor{width:100%}
  .xpb{box-shadow:8px -8px 0 var(--blue)}
  .hatches{grid-template-columns:1fr;padding:22px;box-shadow:-10px -8px 0 var(--mag)}
  .xmons{padding:28px 16px;box-shadow:10px 6px 0 var(--blue);gap:18px}
  .xm{margin-top:0!important;width:168px}
  .m4,.m5{width:168px}
  .xterm{padding:26px 18px;box-shadow:8px 10px 0 var(--mag)}
  .xlog{box-shadow:0 10px 0 var(--blue)}
  .xq summary{grid-template-columns:64px 1fr 24px;padding:15px 14px;gap:10px}
  .xq-a{padding:0 14px 16px 14px}
  .xcomms{grid-template-columns:1fr;padding:26px 18px;box-shadow:-8px 10px 0 var(--mag)}
  .xct-box{box-shadow:8px -10px 0 var(--blue)}
  .sec-h h2,.xct-box h2{font-size:22px}
}