:root{
  --bg:#05070f; --bg2:#0a0f1e; --line:rgba(120,180,255,.14);
  --txt:#e8f0ff; --dim:#8ea3c4; --dim2:#5f7299;
  --neon:#00e5ff; --neon2:#7b5cff; --hot:#ff2f6d; --gold:#ffc24d; --ok:#2fffa0;
  --card:rgba(16,24,46,.62); --card2:rgba(22,32,60,.8);
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"HarmonyOS Sans",system-ui,sans-serif;
  overflow-x:hidden; -webkit-font-smoothing:antialiased; line-height:1.7;
}
body.lite *{animation:none!important;transition:none!important}
body.nofx #fx,body.nofx .cursor-glow,body.nofx .cursor-dot{display:none!important}
body.noaurora .bg-aurora{display:none!important}
body.noscan .bg-scan,body.noscan .bg-grid{display:none!important}
body.nocur .cursor-glow,body.nocur .cursor-dot{display:none!important}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.25;letter-spacing:.02em}
::selection{background:var(--neon);color:#04121a}

/* ===== 背景层 ===== */
#fx{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.9}
.bg-aurora{position:fixed;inset:-20%;z-index:0;pointer-events:none;filter:blur(70px);opacity:.55;
  background:
    radial-gradient(38% 30% at 12% 18%, rgba(0,229,255,.55), transparent 70%),
    radial-gradient(34% 28% at 85% 12%, rgba(123,92,255,.5), transparent 70%),
    radial-gradient(40% 32% at 70% 82%, rgba(255,47,109,.36), transparent 70%),
    radial-gradient(30% 26% at 25% 78%, rgba(47,255,160,.26), transparent 70%);
  animation:aurora 22s ease-in-out infinite alternate}
@keyframes aurora{0%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(3%,-2%,0) scale(1.08)}100%{transform:translate3d(-3%,2%,0) scale(1.04)}}
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(120,180,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.09) 1px,transparent 1px);
  background-size:54px 54px; mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent)}
.bg-scan{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px)}
.bg-vignette{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(80% 60% at 50% 40%,transparent 40%,rgba(2,4,10,.75) 100%)}

/* ===== 光标 ===== */
.cursor-glow{position:fixed;width:340px;height:340px;margin:-170px 0 0 -170px;border-radius:50%;z-index:1;pointer-events:none;
  background:radial-gradient(circle,rgba(0,229,255,.16),transparent 65%);transition:opacity .4s;opacity:0}
.cursor-dot{position:fixed;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;z-index:2;pointer-events:none;
  background:var(--neon);box-shadow:0 0 14px var(--neon);opacity:0;transition:opacity .4s,width .2s,height .2s}
.cursor-dot.hot{width:18px;height:18px;margin:-9px 0 0 -9px;background:var(--hot);box-shadow:0 0 20px var(--hot)}

/* ===== 开场 loading ===== */
.boot{position:fixed;inset:0;z-index:99;background:#04060d;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;transition:opacity .7s,visibility .7s}
.boot.off{opacity:0;visibility:hidden}
.boot-core{position:relative;width:96px;height:96px}
.boot-ring{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--neon);border-right-color:var(--neon2);animation:spin 1.1s linear infinite}
.boot-ring.b2{inset:12px;border-top-color:var(--hot);border-right-color:transparent;border-bottom-color:var(--hot);animation-duration:1.6s;animation-direction:reverse}
.boot-ring.b3{inset:24px;border-top-color:var(--ok);animation-duration:.8s}
@keyframes spin{to{transform:rotate(360deg)}}
.boot-zi{position:absolute;inset:0;display:grid;place-items:center;font-size:30px;font-weight:800;
  background:linear-gradient(135deg,var(--neon),var(--neon2));-webkit-background-clip:text;background-clip:text;color:transparent}
.boot-txt{font-size:15px;letter-spacing:.3em;color:var(--dim);display:flex;gap:10px;align-items:baseline}
.boot-txt span{color:var(--neon);font-variant-numeric:tabular-nums}
.boot-bar{width:210px;height:3px;border-radius:4px;background:rgba(120,180,255,.16);overflow:hidden}
.boot-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--neon),var(--neon2),var(--hot));transition:width .25s}
.boot-sub{font-size:12px;color:#4d6086;letter-spacing:.1em}

/* ===== 公告条 ===== */
.ticker{position:relative;z-index:5;background:linear-gradient(90deg,rgba(0,229,255,.12),rgba(123,92,255,.14),rgba(255,47,109,.12));border-bottom:1px solid var(--line);backdrop-filter:blur(8px);font-size:13px}
.tk-in{display:flex;align-items:center;gap:10px;padding:8px 14px}
.tk-tag{flex:none;padding:2px 9px;border-radius:20px;background:var(--hot);color:#fff;font-size:11px;font-weight:700;box-shadow:0 0 14px rgba(255,47,109,.5)}
.tk-track{flex:1;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.tk-run{display:flex;gap:22px;white-space:nowrap;width:max-content;animation:tk 40s linear infinite}
.tk-run b{font-weight:500;color:#cfe0ff}
.tk-run i{color:var(--neon);font-style:normal}
@keyframes tk{to{transform:translateX(-50%)}}
.tk-close{flex:none;background:none;border:0;color:var(--dim);font-size:13px;cursor:pointer;padding:2px 4px}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:20;background:rgba(5,7,15,.72);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.stuck{border-bottom-color:var(--line);background:rgba(5,7,15,.9)}
.nav-in{max-width:1160px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;letter-spacing:.04em}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.35}}
.links{flex:1;display:flex;gap:4px;justify-content:center}
.links a{padding:6px 11px;border-radius:9px;font-size:14px;color:var(--dim);transition:.25s;position:relative}
.links a:hover{color:var(--txt);background:rgba(120,180,255,.1)}
.links a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;border-radius:2px;background:var(--neon);transform:scaleX(0);transition:transform .3s;box-shadow:0 0 8px var(--neon)}
.links a:hover::after{transform:scaleX(1)}
.nav-r{display:flex;align-items:center;gap:9px}
.clock{font-size:12px;color:#5f7299;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.qq-mini{padding:7px 12px;border-radius:10px;font-size:13px;border:1px solid var(--line);color:#bcd2f5}
.qq-mini:hover{border-color:var(--neon);color:var(--neon)}
.nav-cta{padding:8px 15px;border-radius:10px;font-size:13px;font-weight:700;color:#04121a;background:linear-gradient(135deg,var(--neon),#8ff4ff);box-shadow:0 6px 20px rgba(0,229,255,.28)}
.nav-cta:hover{filter:brightness(1.12)}
.burger{display:none;width:38px;height:34px;border-radius:10px;border:1px solid var(--line);background:none;cursor:pointer;padding:8px 9px;flex-direction:column;justify-content:space-between}
.burger span{height:2px;border-radius:2px;background:var(--txt)}
.progress{height:2px;background:transparent}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--neon),var(--neon2),var(--hot));box-shadow:0 0 10px var(--neon)}

/* ===== 抽屉 ===== */
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:320px;z-index:60;background:#0a1020;border-left:1px solid var(--line);padding:20px;transform:translateX(102%);transition:transform .35s cubic-bezier(.3,.8,.2,1);display:flex;flex-direction:column;gap:2px;overflow:auto}
.drawer.on{transform:translateX(0)}
.dw-head{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.dw-logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,var(--neon),var(--neon2));color:#04121a}
.dw-head b{font-size:16px}.dw-head p{font-size:11px;color:var(--dim)}
.dw-x{margin-left:auto;background:none;border:0;color:var(--dim);font-size:16px;cursor:pointer;padding:6px}
.drawer a{padding:13px 10px;border-bottom:1px solid rgba(120,180,255,.08);font-size:15px;display:flex;align-items:center;gap:10px}
.drawer a em{font-style:normal;font-size:11px;color:var(--neon);font-variant-numeric:tabular-nums}
.dw-btns{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.dw-qq,.dw-tel{text-align:center;padding:12px;border-radius:12px;font-size:14px;font-weight:700}
.dw-qq{background:linear-gradient(135deg,var(--neon),#8ff4ff);color:#04121a}
.dw-tel{border:1px solid var(--line);color:#bcd2f5}
.dw-foot{margin-top:auto;padding-top:16px;font-size:11px;color:#4d6086;line-height:1.8}
.mask{position:fixed;inset:0;z-index:50;background:rgba(2,4,10,.66);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:.3s}
.mask.on{opacity:1;visibility:visible}

/* ===== 通用 ===== */
.sec{position:relative;z-index:2;padding:86px 0}
.wrap{max-width:1160px;margin:0 auto;padding:0 18px}
.hd{text-align:center;margin-bottom:44px}
.hd em{font-style:normal;font-size:12px;letter-spacing:.3em;color:var(--neon);display:block;margin-bottom:10px}
.hd h2{font-size:clamp(24px,4.4vw,36px);font-weight:800}
.hd h2::after{content:"";display:block;width:46px;height:3px;border-radius:3px;margin:14px auto 0;background:linear-gradient(90deg,var(--neon),var(--neon2))}
.hd p{color:var(--dim);font-size:14px;margin-top:12px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
body.noreveal .reveal{opacity:1;transform:none}

/* ===== 首屏 ===== */
.hero{position:relative;z-index:2;min-height:96vh;display:grid;place-items:center;text-align:center;padding:70px 18px 90px}
.hero-in{max-width:760px}
.logo{position:relative;width:132px;height:132px;margin:0 auto 26px;border-radius:50%;display:grid;place-items:center;transform-style:preserve-3d}
.logo .ring{position:absolute;border-radius:50%;border:1px solid rgba(0,229,255,.45)}
.logo .r1{inset:0;border-top-color:var(--neon);animation:spin 9s linear infinite}
.logo .r2{inset:16px;border-right-color:var(--neon2);animation:spin 6s linear infinite reverse}
.logo .r3{inset:32px;border-bottom-color:var(--hot);animation:spin 4.5s linear infinite}
.logo .pulse{position:absolute;inset:-10px;border-radius:50%;border:1px solid rgba(0,229,255,.4);animation:pulse 3s ease-out infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.9}100%{transform:scale(1.35);opacity:0}}
.logo .zi{font-size:44px;font-weight:800;background:linear-gradient(140deg,#fff,var(--neon) 45%,var(--neon2));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px rgba(0,229,255,.4)}
.live{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:30px;font-size:12.5px;color:#bfe9ff;background:rgba(47,255,160,.1);border:1px solid rgba(47,255,160,.3);margin-bottom:22px}
.live b{color:var(--ok)}
.ld{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:blink 1.6s infinite}
.title{font-size:clamp(42px,10vw,86px);font-weight:900;letter-spacing:.06em;
  background:linear-gradient(100deg,#fff 10%,var(--neon) 40%,var(--neon2) 65%,var(--hot) 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 34px rgba(0,229,255,.28));margin-bottom:14px}
.title .ch{display:inline-block;animation:chIn .8s cubic-bezier(.2,.8,.2,1) both}
@keyframes chIn{from{opacity:0;transform:translateY(40px) rotateX(-70deg);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
.sub{color:#b9cae6;font-size:clamp(14px,2.6vw,17px);letter-spacing:.04em}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:18px 0 30px}
.hero-tags i{font-style:normal;font-size:12px;padding:5px 12px;border-radius:20px;border:1px solid var(--line);color:#a9c2e6;background:rgba(16,24,46,.5)}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{position:relative;overflow:hidden;min-width:250px;padding:15px 22px;border-radius:15px;text-align:left;transition:.3s}
.btn b{display:block;font-size:17px}
.btn span{font-size:11.5px;opacity:.78}
.btn.main{background:linear-gradient(135deg,var(--neon),#a6f7ff);color:#04121a;box-shadow:0 10px 34px rgba(0,229,255,.32)}
.btn.qq{background:var(--card2);border:1px solid var(--line);color:#d7e6ff}
.btn.qq b{color:var(--neon)}
.btn:hover{transform:translateY(-3px)}
.btn::before{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-18deg);transition:left .7s}
.btn:hover::before{left:130%}
.hero-note{margin-top:18px;font-size:12.5px;color:#5f7299}
.scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-size:11px;color:#4d6086;display:flex;flex-direction:column;align-items:center;gap:8px;letter-spacing:.2em}
.scroll span{width:1px;height:34px;background:linear-gradient(var(--neon),transparent);animation:sd 2s ease-in-out infinite}
@keyframes sd{50%{transform:scaleY(.45);opacity:.4}}

/* ===== 公告列表 ===== */
.notice-list{display:flex;flex-direction:column;gap:14px}
.note{display:flex;gap:16px;padding:18px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);backdrop-filter:blur(10px);transition:.3s}
.note:hover{border-color:rgba(0,229,255,.45);transform:translateX(4px);box-shadow:-4px 0 22px rgba(0,229,255,.14)}
.note-l{flex:none;width:58px;text-align:center;padding-right:14px;border-right:1px solid var(--line)}
.note-l .nd{display:block;font-size:22px;font-weight:800;color:var(--neon)}
.note-l .nm{font-size:11px;letter-spacing:.16em;color:var(--dim)}
.note-tt{display:flex;align-items:center;gap:10px;margin-bottom:7px}
.note-tt h3{font-size:16.5px}
.pill{font-size:10.5px;padding:2px 8px;border-radius:20px;border:1px solid var(--line);color:var(--dim)}
.pill.hot{background:rgba(255,47,109,.16);border-color:rgba(255,47,109,.45);color:#ff8fb0}
.pill.new{background:rgba(47,255,160,.14);border-color:rgba(47,255,160,.4);color:var(--ok)}
.pill.fix{background:rgba(0,229,255,.14);border-color:rgba(0,229,255,.4);color:var(--neon)}
.note p{font-size:14px;color:#b3c6e4}
.note-ft{display:flex;gap:16px;margin-top:10px;font-size:11.5px;color:#5f7299}
.note.hot{border-color:rgba(255,47,109,.3);background:linear-gradient(120deg,rgba(255,47,109,.1),var(--card) 60%)}

/* ===== QQ 群 ===== */
.gcards{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;align-items:start}
.gcard{position:relative;overflow:hidden;padding:26px;border-radius:22px;background:var(--card);border:1px solid var(--line);backdrop-filter:blur(12px)}
.glowline{position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--neon),var(--neon2),var(--hot),var(--neon));background-size:300% 100%;animation:flow 5s linear infinite}
@keyframes flow{to{background-position:300% 0}}
.gtop{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.gicon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:24px;font-weight:800;color:#04121a;background:linear-gradient(135deg,var(--neon),var(--neon2));box-shadow:0 8px 26px rgba(0,229,255,.3)}
.gmeta h3{font-size:19px}
.gid{font-size:13px;color:var(--dim);margin-top:3px}
.gid b{color:var(--neon);font-size:16px;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.gsub{font-size:11.5px;color:#5f7299;margin-top:2px}
.gdesc{border-left:2px solid rgba(0,229,255,.4);padding-left:14px;margin-bottom:18px}
.gdesc p{font-size:13.5px;color:#b3c6e4}
.gdesc b{color:var(--neon);font-weight:600}
.gstats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}
.gstats div{text-align:center;padding:11px 4px;border-radius:12px;background:rgba(120,180,255,.06);border:1px solid rgba(120,180,255,.1)}
.gstats b{display:block;font-size:19px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.gstats span{font-size:10.5px;color:var(--dim)}
.gbtns{display:grid;grid-template-columns:1.2fr 1fr;gap:11px}
.gbtn{display:flex;align-items:center;gap:10px;padding:13px;border-radius:13px;cursor:pointer;font-family:inherit;text-align:left;transition:.3s;border:0}
.gbtn span b{display:block;font-size:14.5px}
.gbtn span i{font-style:normal;font-size:11px;opacity:.75}
.gbtn.main{background:linear-gradient(135deg,var(--neon),#9df6ff);color:#04121a;box-shadow:0 8px 26px rgba(0,229,255,.3)}
.gbtn.ghost{background:rgba(120,180,255,.08);border:1px solid var(--line)!important;color:#cfe0ff}
.gbtn:hover{transform:translateY(-2px)}
.gfall{margin-top:13px;font-size:11.5px;color:#5f7299;text-align:center}
.gfall b{color:var(--neon)}
.warn{padding:24px;border-radius:22px;background:linear-gradient(150deg,rgba(255,47,109,.12),var(--card) 55%);border:1px solid rgba(255,47,109,.28)}
.wicon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;background:var(--hot);color:#fff;box-shadow:0 0 20px rgba(255,47,109,.45);margin-bottom:14px}
.warn h3{font-size:17px}
.wmain{font-size:13.5px;color:#c3d4ef;margin:9px 0 14px}
.wmain b{color:#ff9cb6}
.wlist{display:flex;flex-direction:column;gap:10px}
.wlist li{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#a9bde0}
.wlist span{flex:none;width:20px;height:20px;border-radius:7px;display:grid;place-items:center;font-size:11px;background:rgba(255,47,109,.2);color:#ff9cb6}
.wlist b{color:#fff}
.wbtn{display:inline-block;margin-top:16px;font-size:13px;color:var(--neon)}

/* ===== 服务卡 ===== */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);backdrop-filter:blur(10px);transition:.35s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;border-radius:var(--r);padding:1px;background:linear-gradient(140deg,var(--neon),transparent 45%,var(--neon2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.35s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(0,0,0,.5)}
.card:hover::after{opacity:1}
.ci{font-size:26px;display:block;margin-bottom:12px}
.card h3{font-size:16px;margin-bottom:8px}
.card p{font-size:13.2px;color:#a9bde0}
.ct{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.ct span{font-size:10.5px;padding:3px 9px;border-radius:20px;background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.28);color:var(--neon)}

/* ===== 报价表 ===== */
.ptable{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.prow{display:grid;grid-template-columns:1.1fr 2fr .9fr;gap:12px;padding:14px 18px;border-bottom:1px solid rgba(120,180,255,.09);font-size:13.4px;align-items:center}
.prow:last-child{border-bottom:0}
.prow.th{background:rgba(120,180,255,.08);font-size:11.5px;letter-spacing:.14em;color:var(--dim)}
.pn{font-weight:700;color:#fff}
.pp{color:var(--neon);font-size:12.5px}
.prow:not(.th):hover{background:rgba(0,229,255,.06)}
.pnote{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.pnote div{padding:18px;border-radius:14px;background:var(--card);border:1px solid var(--line)}
.pnote b{font-size:14px;color:var(--gold)}
.pnote p{font-size:12.8px;color:#a9bde0;margin-top:7px}

/* ===== 技术栈 ===== */
.marquee{overflow:hidden;margin-bottom:22px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq-track{display:flex;gap:12px;width:max-content;animation:mq 34s linear infinite}
.mq-track span{flex:none;padding:7px 16px;border-radius:30px;font-size:13px;white-space:nowrap;background:rgba(120,180,255,.08);border:1px solid var(--line);color:#bcd2f5}
.mq-track span:nth-child(3n){border-color:rgba(0,229,255,.4);color:var(--neon)}
.mq-track span:nth-child(4n){border-color:rgba(255,47,109,.35);color:#ff9cb6}
@keyframes mq{to{transform:translateX(-50%)}}
.stacks{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.st{padding:18px;border-radius:14px;background:var(--card);border:1px solid var(--line);transition:.3s}
.st:hover{border-color:rgba(123,92,255,.55);transform:translateY(-4px)}
.st h4{font-size:14.5px;color:var(--neon2);margin-bottom:7px}
.st p{font-size:12.8px;color:#a9bde0}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{position:relative;padding:24px 18px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);transition:.35s}
.step:hover{transform:translateY(-5px);border-color:rgba(0,229,255,.45);box-shadow:0 14px 36px rgba(0,0,0,.45)}
.step:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--neon);font-size:16px;z-index:3}
.sn{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;font-weight:800;font-size:16px;color:#04121a;background:linear-gradient(135deg,var(--neon),var(--neon2));margin-bottom:14px;box-shadow:0 6px 18px rgba(0,229,255,.3)}
.step h3{font-size:15.5px;margin-bottom:7px}
.step p{font-size:12.9px;color:#a9bde0}

/* ===== FAQ ===== */
.faqs{display:grid;gap:11px;max-width:860px;margin:0 auto}
details{border-radius:14px;background:var(--card);border:1px solid var(--line);overflow:hidden;transition:.3s}
details[open]{border-color:rgba(0,229,255,.42);background:var(--card2)}
summary{padding:16px 18px;font-size:14.6px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;list-style:none}
summary::-webkit-details-marker{display:none}
summary span{flex:none;width:20px;height:20px;position:relative}
summary span::before,summary span::after{content:"";position:absolute;background:var(--neon);border-radius:2px;transition:.3s}
summary span::before{left:0;top:9px;width:20px;height:2px}
summary span::after{left:9px;top:0;width:2px;height:20px}
details[open] summary span::after{transform:rotate(90deg);opacity:0}
details p{padding:0 18px 17px;font-size:13.4px;color:#a9bde0}

/* ===== 联系 ===== */
.cgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-auto-rows:1fr;gap:14px}
.cbox{padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);transition:.35s;position:relative;overflow:hidden;display:block;text-align:left;font-family:inherit;color:inherit;cursor:pointer}
.cbox:hover{transform:translateY(-5px);border-color:rgba(0,229,255,.5);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.cbox.big{background:linear-gradient(140deg,rgba(0,229,255,.18),var(--card) 60%)}
.cbox .ci{font-size:23px}
.cbox b{display:block;font-size:13px;color:var(--dim);margin:10px 0 5px;font-weight:500}
.cnum{font-size:clamp(18px,3.4vw,25px)!important;font-weight:800;color:#fff;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.cbox i{font-style:normal;font-size:11.5px;color:#5f7299}
.copyrow{display:flex;gap:11px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.cp{padding:11px 20px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:#cfe0ff;cursor:pointer;font-family:inherit;transition:.3s;text-align:center}
.cp b{display:block;font-size:12px;color:var(--neon)}
.cp span{font-size:11.5px;color:var(--dim);font-variant-numeric:tabular-nums}
.cp:hover{border-color:var(--neon);transform:translateY(-2px)}

/* ===== 页脚 ===== */
.ft{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(6,10,20,.85);padding:38px 18px 30px}
.ft-in{max-width:1160px;margin:0 auto;text-align:center}
.ft-b{display:flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:15px;margin-bottom:14px}
.ft-b .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.ft-m{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;font-size:13px;color:#a9bde0}
.ft-m a:hover{color:var(--neon)}
.ft-s{font-size:12px;color:#5f7299;margin-top:14px}
.ft-c{font-size:11px;color:#3f5170;margin-top:8px}

/* ===== 回顶 ===== */
.totop{position:fixed;right:16px;bottom:20px;z-index:30;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(16,24,46,.9);border:1px solid var(--line);color:var(--neon);font-size:17px;backdrop-filter:blur(8px);opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.totop.on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--neon);color:#04121a}

/* ===== 设置面板 ===== */
.fab{position:fixed;right:16px;bottom:72px;z-index:30;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:18px;background:rgba(16,24,46,.9);border:1px solid var(--line);color:#bcd2f5;cursor:pointer;backdrop-filter:blur(8px);transition:.3s}
.fab:hover{color:var(--neon);border-color:var(--neon);transform:rotate(45deg)}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#0b1122;border-top:1px solid var(--line);border-radius:22px 22px 0 0;padding:14px 20px 22px;transform:translateY(102%);transition:transform .38s cubic-bezier(.3,.8,.2,1);max-width:520px;margin:0 auto}
.sheet.on{transform:translateY(0)}
.sh-bar{width:38px;height:4px;border-radius:4px;background:rgba(120,180,255,.3);margin:0 auto 14px}
.sheet h3{font-size:16.5px}
.sh-sub{font-size:11.5px;color:#5f7299;margin:4px 0 14px}
.sh-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid rgba(120,180,255,.1)}
.sh-row b{font-size:14px;display:block}
.sh-row span{font-size:11.5px;color:var(--dim)}
.sw{flex:none;width:46px;height:26px;border-radius:20px;border:1px solid var(--line);background:rgba(120,180,255,.12);position:relative;cursor:pointer;transition:.3s;padding:0}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#8ea3c4;transition:.3s}
.sw.on{background:rgba(0,229,255,.28);border-color:rgba(0,229,255,.55)}
.sw.on::after{left:22px;background:var(--neon);box-shadow:0 0 12px var(--neon)}
.sh-btns{display:flex;gap:11px;margin-top:18px}
.sh-b{flex:1;padding:12px;border-radius:12px;font-size:13.5px;font-family:inherit;cursor:pointer;border:1px solid var(--line);background:rgba(120,180,255,.08);color:#cfe0ff;transition:.3s}
.sh-b:hover{border-color:var(--neon);color:var(--neon)}
.sh-b.danger{border-color:rgba(255,47,109,.45);color:#ff8fb0;background:rgba(255,47,109,.12)}
.sh-b.danger:hover{border-color:var(--hot);background:rgba(255,47,109,.24)}
.sh-tip{font-size:11px;color:#4d6086;margin-top:12px;line-height:1.75}
.sh-close{width:100%;margin-top:14px;padding:11px;border-radius:12px;border:0;background:rgba(120,180,255,.08);color:var(--dim);font-family:inherit;font-size:13px;cursor:pointer}

/* ===== 弹窗 ===== */
.modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:22px;background:rgba(2,4,10,.72);backdrop-filter:blur(5px);opacity:0;visibility:hidden;transition:.3s}
.modal.on{opacity:1;visibility:visible}
.md{width:100%;max-width:330px;padding:26px 22px;border-radius:20px;background:#0d142a;border:1px solid rgba(255,47,109,.4);box-shadow:0 24px 60px rgba(0,0,0,.6);text-align:center;transform:scale(.92);transition:.3s}
.modal.on .md{transform:none}
.md-ic{font-size:26px;color:var(--hot);margin-bottom:10px}
.md h3{font-size:17px}
.md p{font-size:13px;color:#a9bde0;margin:10px 0 20px}
.md-btns{display:flex;gap:11px}
.md-b{flex:1;padding:11px;border-radius:12px;font-size:13.5px;font-family:inherit;cursor:pointer;border:0;transition:.3s}
.md-b.ghost{background:rgba(120,180,255,.1);color:#cfe0ff;border:1px solid var(--line)}
.md-b.danger{background:var(--hot);color:#fff;box-shadow:0 8px 22px rgba(255,47,109,.35)}

/* ===== toast ===== */
.toast{position:fixed;left:50%;bottom:34px;z-index:80;transform:translate(-50%,16px);opacity:0;visibility:hidden;transition:.3s;padding:11px 20px;border-radius:30px;background:rgba(13,20,42,.96);border:1px solid rgba(0,229,255,.45);color:#d8ecff;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.5);max-width:86vw;text-align:center}
.toast.on{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .stacks{grid-template-columns:repeat(2,1fr)} .works{grid-template-columns:repeat(2,1fr)}
  .links a{padding:6px 8px;font-size:13px}
}
@media (max-width:860px){
  .links,.qq-mini,.clock{display:none}
  .burger{display:flex}
  .gcards{grid-template-columns:1fr}
  .cgrid{grid-template-columns:1fr 1fr}
  .cbox.big{grid-column:span 2}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .pnote{grid-template-columns:1fr}
  .prow{grid-template-columns:1fr;gap:5px;padding:13px 16px}
  .prow.th{display:none}
  .pp{color:var(--gold)}
  .sec{padding:64px 0}
}
@media (max-width:520px){
  .gstats{grid-template-columns:repeat(2,1fr)}
  .gbtns{grid-template-columns:1fr}
  .works{grid-template-columns:1fr}
  .btn{min-width:100%}
  .cgrid{grid-template-columns:1fr}
  .cbox.big{grid-column:span 1}
  .flow{grid-template-columns:1fr}
  .step::after{display:none!important}
  .nav-in{padding:10px 14px}
  .brand{font-size:16px}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}