/* 多维反外挂官网 - 暗色科技风 */
:root{
  --bg:#0a0e17; --bg2:#0d1322; --panel:#111a2e; --panel2:#0f1728;
  --line:#1e2a44; --txt:#dbe4f5; --muted:#8494b3;
  --cyan:#22d3ee; --indigo:#6366f1; --grad:linear-gradient(120deg,#22d3ee,#6366f1);
  --ok:#34d399; --bad:#f87171;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;
  line-height:1.7; -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
b{color:#fff}

/* 顶部公告 */
.topbar{
  background:linear-gradient(90deg,#132a45,#0f2038);
  border-bottom:1px solid var(--line);
  font-size:13px;color:#a9c2e6;
}
.topbar .wrap{display:flex;align-items:center;gap:8px;padding-top:8px;padding-bottom:8px}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);flex:none;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,14,23,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:1px}
.brand-txt small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:4px;margin-top:-3px}
.menu{display:flex;align-items:center;gap:26px;font-size:14.5px}
.menu a{color:#a9b8d6;transition:color .2s}
.menu a:hover{color:#fff}
.menu .btn-qq{
  color:#06121f;background:var(--grad);padding:8px 18px;border-radius:8px;font-weight:700;
}
.menu .btn-qq:hover{filter:brightness(1.1);color:#06121f}

/* Hero */
.hero{padding:88px 0 72px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 78% 30%, rgba(99,102,241,.16), transparent 65%),
    radial-gradient(500px 260px at 15% 20%, rgba(34,211,238,.10), transparent 60%);
}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative}
.hero-tag{
  display:inline-block;font-size:13px;color:var(--cyan);
  border:1px solid rgba(34,211,238,.35);border-radius:999px;padding:4px 14px;margin-bottom:22px;
  background:rgba(34,211,238,.06);
}
.hero h1{font-size:52px;line-height:1.22;letter-spacing:1px;font-weight:800}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:22px 0 30px;color:var(--muted);font-size:16.5px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 30px;border-radius:10px;font-size:15.5px;font-weight:700;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--grad);color:#06121f;box-shadow:0 6px 24px rgba(34,211,238,.25)}
.btn-primary:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--txt);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-points{display:flex;gap:22px;margin-top:34px;list-style:none;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.hero-points li::before{content:"✓";color:var(--ok);margin-right:6px;font-weight:700}

/* Hero 轨道图 */
.hero-r{display:flex;justify-content:center}
.orbit{position:relative;width:340px;height:340px}
.orbit .core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:120px;height:120px;border-radius:26px;display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:0 0 60px rgba(99,102,241,.35), inset 0 0 30px rgba(34,211,238,.08);
}
.ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;border:1px dashed rgba(120,140,190,.25)}
.r1{width:210px;height:210px;animation:spin 26s linear infinite}
.r2{width:320px;height:320px;animation:spin 40s linear infinite reverse}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.sat{
  position:absolute;padding:6px 14px;border-radius:999px;font-size:13px;color:#cfe9ff;
  background:rgba(17,26,46,.92);border:1px solid var(--line);white-space:nowrap;
}
.s1{left:50%;top:2%;transform:translateX(-50%)}
.s2{right:-6%;top:46%}
.s3{left:50%;bottom:0;transform:translateX(-50%)}
.s4{left:-8%;top:46%}

/* 通用区块 */
.sec{padding:84px 0}
.sec-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head h2{font-size:34px;font-weight:800;letter-spacing:1px}
.sec-head p{color:var(--muted);margin-top:12px;max-width:640px;margin-left:auto;margin-right:auto}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px 26px;
  transition:.25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);box-shadow:0 14px 40px rgba(0,0,0,.35)}
.card-num{
  position:absolute;right:18px;top:10px;font-size:44px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px rgba(120,140,190,.22);
}
.card h3{font-size:19px;margin-bottom:12px}
.card p{color:var(--muted);font-size:14.5px}
.tags{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.tags span{font-size:12px;color:var(--cyan);border:1px solid rgba(34,211,238,.3);border-radius:999px;padding:2px 10px;background:rgba(34,211,238,.05)}

/* 画像检测 */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center}
.split-txt h3{font-size:22px;margin-bottom:18px}
.score-list{list-style:none;margin-bottom:18px}
.score-list li{
  display:flex;align-items:center;gap:14px;padding:9px 14px;border-radius:9px;
  background:var(--panel);border:1px solid var(--line);margin-bottom:9px;font-size:14.5px;
}
.score-list b{color:var(--cyan);min-width:52px;text-align:right;font-size:16px}
.muted{color:var(--muted);font-size:14px}
.split-panel{
  background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:26px;
}
.panel-title{font-weight:700;margin-bottom:18px;font-size:15px;color:#cfe0ff}
.score-row{display:grid;grid-template-columns:170px 1fr 62px;gap:12px;align-items:center;font-size:13px;margin-bottom:14px;color:#a9b8d6}
.bar{height:8px;border-radius:99px;background:#0b1220;border:1px solid var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.score-row b{text-align:right;font-size:13px}
.bad{color:var(--bad)} .ok{color:var(--ok)}
.panel-note{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center;border-top:1px dashed var(--line);padding-top:14px}

/* 控制台 mini */
.mini{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px 20px}
.mini h4{font-size:16px;margin-bottom:8px;color:#e8f1ff}
.mini p{font-size:13.5px;color:var(--muted)}
.strip{
  margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:linear-gradient(120deg,rgba(34,211,238,.07),rgba(99,102,241,.09));
  border:1px solid var(--line);border-radius:14px;padding:26px;
}
.strip-item{text-align:center}
.strip-item b{display:block;font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip-item span{font-size:13px;color:var(--muted)}

/* 部署 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px 26px;position:relative}
.step-num{
  display:inline-flex;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  background:var(--grad);color:#06121f;font-weight:800;font-size:20px;margin-bottom:16px;
}
.step h4{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14.5px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
summary{
  cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
summary::after{content:"+";font-size:20px;color:var(--cyan);transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 22px 20px;color:var(--muted);font-size:14.5px}

/* 联系 */
.contact-box{
  text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:64px 40px;position:relative;overflow:hidden;
}
.contact-box::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 200px at 50% 0%,rgba(99,102,241,.14),transparent 70%);pointer-events:none}
.contact-box h2{font-size:32px}
.contact-sub{color:var(--muted);margin:14px 0 34px}
.qq-card{
  display:inline-flex;flex-direction:column;align-items:center;gap:14px;
  background:var(--panel2);border:1px solid rgba(34,211,238,.35);border-radius:16px;padding:30px 60px;
  box-shadow:0 0 50px rgba(34,211,238,.10);
}
.qq-label{font-size:13px;color:var(--muted);letter-spacing:2px}
.qq-num{
  font-size:44px;font-weight:800;letter-spacing:3px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.warn{margin-top:30px;font-size:12.5px;color:#e8b96b}

/* 页脚 */
.footer{border-top:1px solid var(--line);padding:26px 0;background:var(--bg2)}
.footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}

/* 响应式 */
@media (max-width:920px){
  .hero .wrap,.split{grid-template-columns:1fr}
  .grid3,.steps,.strip{grid-template-columns:1fr 1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .hero h1{font-size:38px}
  .hero-r{display:none}
  .menu a:not(.btn-qq){display:none}
}
@media (max-width:560px){
  .grid3,.steps,.grid4,.strip{grid-template-columns:1fr}
  .score-row{grid-template-columns:1fr;gap:6px}
}