:root{
  --bg0:#050814;
  --bg1:#070b18;
  --bg2:#0a1030;
  --panel:rgba(255,255,255,.035);
  --panel2:rgba(255,255,255,.02);
  --text:#eef2ff;
  --muted:#c9d2ffb8;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.14);
  --brand:#5b7cff;
  --brand2:#2ee7ff;
  --brand3:#2ef0b5;
  --shadow: 0 30px 90px rgba(0,0,0,.45);
  --shadow2: 0 18px 50px rgba(0,0,0,.28);
  --radius: 22px;
  --radius2: 14px;
  --container: 1180px;
  --header-h: 76px;

  --ease: cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "PingFang SC","Microsoft YaHei", sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 480px at 18% -10%, rgba(91,124,255,.55), transparent 70%),
    radial-gradient(900px 520px at 92% 6%, rgba(46,231,255,.28), transparent 62%),
    radial-gradient(800px 560px at 28% 100%, rgba(46,240,181,.16), transparent 70%),
    radial-gradient(1200px 900px at 70% 120%, rgba(91,124,255,.18), transparent 65%),
    linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 32%, var(--bg2) 62%, var(--bg0) 100%);
  overflow-x:hidden;
  padding-top: var(--header-h);
}
body::before{
  content:"";
  position:fixed;
  inset:-40px;
  background:
    radial-gradient(900px 420px at 12% 18%, rgba(91,124,255,.22), transparent 62%),
    radial-gradient(900px 420px at 88% 22%, rgba(46,231,255,.16), transparent 62%),
    radial-gradient(900px 520px at 42% 86%, rgba(46,240,181,.10), transparent 62%);
  filter: blur(18px);
  opacity:.85;
  pointer-events:none;
  z-index:-2;
  animation: floatGlow 16s var(--ease) infinite alternate;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.10) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 20%, rgba(255,255,255,.08) 0 1px, transparent 2px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.06) 0 1px, transparent 2px),
    radial-gradient(circle at 85% 70%, rgba(255,255,255,.07) 0 1px, transparent 2px);
  background-size: 360px 360px, 420px 420px, 520px 520px, 640px 640px;
  opacity:.12;
  pointer-events:none;
  z-index:-1;
  animation: driftStars 26s linear infinite;
}

@keyframes floatGlow{
  from{transform: translate3d(0,0,0) scale(1)}
  to{transform: translate3d(0,-16px,0) scale(1.02)}
}
@keyframes driftStars{
  from{transform: translate3d(0,0,0)}
  to{transform: translate3d(-120px, 80px, 0)}
}
a{color:inherit; text-decoration:none}
/* 避免把按钮/CTA 一起压暗 */
a:hover{opacity:1}

.container{width:min(var(--container), calc(100% - 40px)); margin:0 auto}
.skip-link{
  position:absolute; left:-999px; top:10px;
  background:#fff; color:#000; padding:10px 12px; border-radius:8px;
}
.skip-link:focus{left:10px; z-index:99}

.site-header{
  position:fixed; top:0; left:0; right:0; z-index:50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(5,8,20,.72), rgba(5,8,20,.50));
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:18px;
}
.brand{display:flex; gap:12px; align-items:center; flex: 1 1 auto}
.brand-text{min-width:0}
.brand-mark{
  width:40px; height:40px; border-radius:14px;
  display:grid; place-items:center;
  font-weight:800; letter-spacing:.5px;
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(46,231,255,.95));
  box-shadow: 0 14px 50px rgba(91,124,255,.28);
}
.brand-title{
  display:block;
  font-weight:800;
  line-height:1.1;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
.brand-subtitle{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}

@media (max-width: 420px){
  .brand-title{font-size:14px}
  .brand-subtitle{font-size:11px}
}
.nav{display:flex; gap:18px; align-items:center}
.nav a{
  font-size:14px;
  color:var(--muted);
  padding:10px 10px;
  border-radius: 12px;
  position:relative;
  transition: color 240ms var(--ease), background 240ms var(--ease), transform 240ms var(--ease);
}
.nav a:hover{
  color:var(--text);
  background: rgba(255,255,255,.03);
}
.nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:6px;
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(46,231,255,.35), transparent);
  opacity:0;
  transform: translateY(4px);
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}
.nav a:hover::after{
  opacity:1;
  transform: translateY(0px);
}
.header-actions{
  display:flex; gap:10px; align-items:center;
  flex: 0 0 auto;
}
.header-actions::before{
  content:"";
  width:1px;
  height:26px;
  background: rgba(255,255,255,.10);
  margin-right:4px;
}
.nav-toggle{
  display:none;
  width:42px; height:38px; border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  cursor:pointer;
  padding:10px;
}
.nav-toggle span{
  display:block; height:2px; background:#fff; opacity:.86; border-radius:2px;
}
.nav-toggle span + span{margin-top:6px}
.mobile-nav{
  display:none;
  position: fixed;
  left:0; right:0;
  top: var(--header-h);
  bottom: 0;
  z-index: 60;
  /* 避免“透传/穿透”到页面内容 */
  pointer-events: none;
}
.mobile-nav.open{
  display:block;
  pointer-events: auto;
}
.mobile-nav::before{
  content:"";
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}
.mobile-nav-panel{
  position: relative;
  width: min(520px, calc(100% - 28px));
  margin: 14px auto 0;
  padding: 10px 16px 16px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 340px at 20% 0%, rgba(91,124,255,.16), transparent 60%),
    radial-gradient(900px 340px at 90% 10%, rgba(46,231,255,.10), transparent 60%),
    rgba(5,8,20,.92);
  box-shadow: 0 24px 90px rgba(0,0,0,.35);
  max-height: calc(100vh - var(--header-h) - 24px);
  overflow:auto;
}
.mobile-nav a{
  display:block;
  padding:12px 6px;
  color:var(--muted);
  border-radius: 12px;
}
.mobile-nav a:hover{
  background: rgba(255,255,255,.04);
  color: var(--text);
}
.mobile-cta{width:100%; margin-top:10px}

body.nav-open{
  overflow:hidden;
  touch-action: none;
}

.btn{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  color:var(--text);
  padding:10px 14px;
  border-radius: 14px;
  cursor:pointer;
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  transition: transform 240ms var(--ease), background 240ms var(--ease), border-color 240ms var(--ease), filter 240ms var(--ease);
}
.btn:hover{background: rgba(255,255,255,.06); transform: translateY(-1px)}
.btn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px rgba(46,231,255,.14);
}
.btn:active{transform: translateY(0px)}
.btn-primary{
  border-color: transparent;
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(46,231,255,1), rgba(46,240,181,.92));
  color:#061022;
  box-shadow: 0 18px 60px rgba(91,124,255,.22);
}
.btn-primary:hover{filter:saturate(1.05) brightness(1.02)}
.btn-ghost{background: transparent}
.icon-btn{
  width:38px; height:38px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  font-size:20px;
}

.hero{position:relative; padding: 64px 0 14px}
.hero-inner{display:grid; grid-template-columns: 1.15fr .85fr; gap:30px; align-items:stretch}
.hero-copy{display:flex; flex-direction:column; min-height:100%}
.pill{
  display:inline-flex; gap:10px; align-items:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  color:var(--muted);
  margin:0 0 18px;
  font-size:13px;
}
h1{
  margin:0 0 14px;
  font-size: 54px;
  line-height:1.05;
  letter-spacing: -0.6px;
}
.hero-desc{margin:0 0 18px; color:var(--muted); font-size:16px; line-height:1.7}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap}
.hero-metrics{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:10px;
  margin-top:auto;
  padding-top:22px;
}
.metric{
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 220px at 20% 0%, rgba(46,231,255,.10), transparent 62%),
    rgba(255,255,255,.03);
  border-radius: var(--radius2);
  padding:12px;
  box-shadow: 0 10px 40px rgba(0,0,0,.18);
}
.metric-value{font-weight:900; font-size:22px}
.metric-label{
  font-size:12px;
  margin-top:6px;
  /* 首屏底色偏亮时，增强可读性 */
  color: rgba(255,255,255,.92);
  line-height:1.35;
  text-shadow: 0 10px 26px rgba(0,0,0,.55);
}

.hero-card .card{
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(91,124,255,.18), transparent 55%),
    radial-gradient(900px 420px at 90% 20%, rgba(46,231,255,.14), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
  height:100%;
}
.hero-card{
  position:relative;
  align-self:stretch;
  display:flex;
}
.stack-card{
  position:relative;
  z-index:2;
}
.stack-back{
  position:absolute;
  inset: 12px 10px auto 10px;
  height: calc(100% - 18px);
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.015);
  box-shadow: 0 18px 70px rgba(0,0,0,.18);
  z-index:1;
  transform-origin: 50% 0%;
  pointer-events:none;
}
.stack-back-1{
  --tx:10px; --ty:10px; --rot:1.2deg;
  transform: translate3d(var(--tx), var(--ty), 0) rotate(var(--rot));
  opacity:.65;
  filter: blur(.1px);
}
.stack-back-2{
  --tx:18px; --ty:18px; --rot:2.1deg;
  transform: translate3d(var(--tx), var(--ty), 0) rotate(var(--rot));
  opacity:.40;
  filter: blur(.2px);
}
.stack-back-1, .stack-back-2{
  animation: cardFloat 6.5s var(--ease) infinite alternate;
}
@keyframes cardFloat{
  from{transform: translate3d(var(--tx), var(--ty), 0) rotate(var(--rot))}
  to{transform: translate3d(calc(var(--tx) + 2px), calc(var(--ty) - 6px), 0) rotate(calc(var(--rot) + .2deg))}
}
.hero-card .card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: linear-gradient(120deg, rgba(46,231,255,.12), transparent 30%, rgba(46,240,181,.10), transparent 70%, rgba(91,124,255,.12));
  filter: blur(18px);
  opacity:.7;
  pointer-events:none;
}
.hero-card .card > *{position:relative}
.card-title{font-weight:900; font-size:16px; margin-bottom:12px}
.card-grid{display:grid; grid-template-columns: 1fr 1fr; gap:10px}
.mini{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  border-radius: 14px;
  padding:12px;
}
.mini-title{font-weight:800}
.mini-desc{margin-top:6px; font-size:12px; color:var(--muted); line-height:1.4}
.card-footer{display:flex; gap:8px; flex-wrap:wrap; margin-top:12px}
.tag{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding:8px 10px;
  border-radius: 999px;
  color:var(--muted);
  font-size:12px;
}
.hero-bg{
  position:absolute; inset:auto 0 0 0; height:180px;
  background: linear-gradient(180deg, transparent, rgba(5,8,20,.92));
  pointer-events:none;
}

.section{padding: 70px 0}
.section.alt{
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(91,124,255,.12), transparent 58%),
    radial-gradient(900px 420px at 90% 10%, rgba(46,231,255,.10), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.section-head{max-width: 820px}
.section-head h2{margin:0 0 10px; font-size:32px; letter-spacing:-.3px}
.section-head p{margin:0; color:var(--muted); line-height:1.7}

.matrix{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:12px;
}
.matrix-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:18px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 20% 0%, rgba(91,124,255,.12), transparent 62%),
    radial-gradient(700px 260px at 90% 20%, rgba(46,231,255,.10), transparent 62%),
    rgba(255,255,255,.02);
  box-shadow: 0 18px 70px rgba(0,0,0,.16);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
  cursor: default;
}
.matrix-card:hover{
  transform: translateY(-4px);
  border-color: rgba(46,231,255,.22);
  background:
    radial-gradient(700px 260px at 20% 0%, rgba(91,124,255,.16), transparent 62%),
    radial-gradient(700px 260px at 90% 20%, rgba(46,240,181,.10), transparent 62%),
    rgba(255,255,255,.03);
}
.matrix-top{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.matrix-icon{
  width:44px;
  height:44px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  display:grid;
  place-items:center;
  color: rgba(46,231,255,.92);
  box-shadow: 0 16px 50px rgba(0,0,0,.18);
  flex: 0 0 auto;
}
.matrix-icon svg{width:22px; height:22px}
.matrix-kicker{
  display:inline-flex;
  font-size:12px;
  color:var(--muted);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding:6px 10px;
  border-radius:999px;
  width:fit-content;
}
.matrix-title{
  margin-top:10px;
  font-weight:950;
  font-size:18px;
  letter-spacing:-.2px;
}
.icon-dot{
  display:inline-block;
  width:10px;
  height:10px;
  border-radius:4px;
  margin-right:10px;
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(46,231,255,1), rgba(46,240,181,1));
  box-shadow: 0 10px 26px rgba(46,231,255,.14);
  vertical-align:middle;
}
.matrix-body{
  color:var(--muted);
  line-height:1.65;
  font-size:13px;
}
.matrix-foot{display:flex; gap:8px; flex-wrap:wrap}
.chip{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  color:var(--muted);
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
}

.dash{
  margin-top:10px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
  align-items:center;
}
.dash-stats{
  margin-top:16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:10px;
}
.stat{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  border-radius: 16px;
  padding:14px;
  box-shadow: 0 14px 50px rgba(0,0,0,.14);
}
.stat-num{
  font-size:22px;
  font-weight:950;
  letter-spacing:-.2px;
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(46,231,255,1), rgba(46,240,181,1));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
.stat-label{margin-top:6px; color:var(--muted); font-size:12px; line-height:1.4}

.dash-right{position:relative}
.dash-screen{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 420px at 25% 0%, rgba(91,124,255,.16), transparent 62%),
    radial-gradient(900px 420px at 85% 10%, rgba(46,231,255,.10), transparent 62%),
    rgba(255,255,255,.02);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.dash-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.12);
}
.dot{width:10px; height:10px; border-radius:50%}
.d1{background: rgba(255,95,109,.8)}
.d2{background: rgba(255,204,102,.8)}
.d3{background: rgba(46,240,181,.8)}
.dash-title{margin-left:6px; color:var(--muted); font-size:12px}
.dash-grid{
  padding:14px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.dash-tile{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  border-radius: 16px;
  padding:12px;
  min-height:96px;
}
.dash-tile.wide{grid-column: 1 / -1; min-height:140px}
.dash-h{font-size:12px; color:var(--muted)}
.dash-big{
  margin-top:8px;
  font-size:34px;
  font-weight:950;
  letter-spacing:-.4px;
}
.dash-sub{margin-top:8px; color:var(--muted); font-size:12px; line-height:1.5}
.dash-glow{
  position:absolute;
  inset:-30px;
  background: radial-gradient(900px 420px at 50% 10%, rgba(46,231,255,.16), transparent 60%);
  filter: blur(30px);
  opacity:.8;
  pointer-events:none;
  z-index:-1;
}

.triple-grid{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
}
.triple-card{
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 18% 0%, rgba(91,124,255,.12), transparent 62%),
    radial-gradient(700px 260px at 88% 20%, rgba(46,231,255,.10), transparent 62%),
    rgba(255,255,255,.02);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: 0 18px 70px rgba(0,0,0,.14);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
}
.triple-card:hover{
  transform: translateY(-3px);
  border-color: rgba(46,231,255,.22);
}
.triple-icon{
  width:44px;
  height:44px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  display:grid;
  place-items:center;
  color: rgba(46,231,255,.92);
  box-shadow: 0 16px 50px rgba(0,0,0,.18);
}
.triple-icon svg{width:22px; height:22px}
.triple-title{
  margin-top:12px;
  font-weight:950;
  letter-spacing:-.2px;
  font-size:18px;
}
.triple-desc{
  margin-top:8px;
  color:var(--muted);
  line-height:1.7;
  font-size:13px;
}
.triple-meta{
  margin-top:12px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.meta-pill{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  color:var(--muted);
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
}

.panel-ai{padding-bottom:14px}
.ai-box{
  padding: 14px 16px 10px;
  display:grid;
  gap:10px;
}
.ai-item{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.10);
  border-radius: 16px;
  padding:10px 12px;
}
.ai-k{color: rgba(255,255,255,.62); font-size:12px}
.ai-v{font-weight:900; letter-spacing:-.15px}
.heat{padding: 0 16px}
.heat-title{color: rgba(255,255,255,.62); font-size:12px; margin: 4px 0 10px}
.heat-grid{
  display:grid;
  grid-template-columns: repeat(6, minmax(0,1fr));
  gap:8px;
  padding-bottom: 10px;
}
.heat-grid span{
  height:18px;
  border-radius: 8px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  box-shadow: 0 10px 30px rgba(0,0,0,.10);
}
.heat-grid span:nth-child(5),
.heat-grid span:nth-child(11),
.heat-grid span:nth-child(16){
  background: rgba(255,214,122,.18);
  border-color: rgba(255,214,122,.30);
}
.heat-grid span:nth-child(12),
.heat-grid span:nth-child(18){
  background: rgba(255,120,132,.20);
  border-color: rgba(255,120,132,.32);
}
.heat-grid span:nth-child(20),
.heat-grid span:nth-child(21){
  background: rgba(46,231,255,.16);
  border-color: rgba(46,231,255,.30);
}

.h3-icon{
  display:flex;
  align-items:center;
}

.monitor{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:14px;
  /* 右侧单列面板拉伸到与左侧同高，底边对齐 */
  align-items:stretch;
}
.monitor-left, .monitor-right{
  display:grid;
  gap:14px;
}
.monitor-right{align-content:stretch}
.monitor-right .panel{
  height:100%;
  display:flex;
  flex-direction:column;
}
.monitor-right .alerts{
  flex: 1 1 auto;
  min-height: 0;
  padding-bottom: 14px;
}
.panel{
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(91,124,255,.10), transparent 62%),
    radial-gradient(900px 420px at 90% 10%, rgba(46,231,255,.08), transparent 62%),
    rgba(255,255,255,.02);
  border-radius: var(--radius);
  box-shadow: 0 22px 80px rgba(0,0,0,.16);
  overflow:hidden;
}
.panel-title{
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.10);
  font-weight:900;
  letter-spacing:-.15px;
}
.panel-kpi{padding-bottom:14px}
.kpi-row{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap:12px;
  padding:14px 16px 8px;
}
.kpi-num{
  font-size:54px;
  font-weight:950;
  letter-spacing:-.8px;
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(46,231,255,1), rgba(46,240,181,1));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
.kpi-sub{color:var(--muted); margin-top:4px}
.kpi-mini{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.mini-item{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  border-radius: 16px;
  padding:12px;
}
.mini-label{font-size:12px; color:var(--muted)}
.mini-value{margin-top:6px; font-weight:950; letter-spacing:-.2px}
.spark{padding: 6px 16px 0}
.spark svg{display:block; width:100%; height:auto}
.spark-grid{stroke: rgba(255,255,255,.08)}
.spark-line{
  fill:none;
  stroke: url(#mg);
  stroke-width:4;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw 1.6s var(--ease) forwards;
}
.spark-fill{
  fill: rgba(46,231,255,.08);
  opacity:.9;
}
.spark-dot{fill: rgba(46,240,181,.92)}
.spark-legend{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  padding: 10px 0 0;
}
.legend-pill{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  color:var(--muted);
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
}

.panel-access{padding-bottom:10px}
.access-table{
  width:100%;
  border-collapse:separate;
  border-spacing: 0 10px;
  padding: 10px 14px 14px;
}
.access-row{
  display:grid;
  grid-template-columns: 1.4fr .9fr .9fr .6fr;
  gap:10px;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.14);
  margin-top:10px;
  color:var(--muted);
}
.access-table tr.access-row{display:grid}
.access-row td,.access-row th{padding:0; text-align:left; font-weight:inherit; color:inherit}
.access-head{
  margin-top:0;
  background: rgba(0,0,0,.22);
  color: rgba(255,255,255,.94);
  font-weight:800;
}
.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:6px 10px;
  border-radius: 999px;
  font-size:12px;
  font-weight:800;
  border:1px solid rgba(255,255,255,.12);
}
.badge.ok{color:#07131a; background: rgba(46,240,181,.92); border-color: rgba(46,240,181,.92)}
.badge.warn{color:#1a1207; background: rgba(255,214,122,.92); border-color: rgba(255,214,122,.92)}
.badge.danger{color:#1a0709; background: rgba(255,120,132,.92); border-color: rgba(255,120,132,.92)}

.topology{width:100%; height:auto; padding: 12px 14px 16px}
.topo-grid{stroke: rgba(255,255,255,.08)}
.topo-wire{
  fill:none;
  stroke: url(#tg);
  stroke-width:4;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw 1.8s var(--ease) forwards;
}
.topo-node circle{fill: rgba(255,255,255,.06); stroke: rgba(255,255,255,.18)}
.topo-core circle{fill: url(#tg)}
.topo-label text{fill: rgba(255,255,255,.55); font-size:12px}

.alerts{padding: 12px 14px 4px; display:grid; gap:10px}
.alert{
  display:grid;
  grid-template-columns: 12px 1fr auto;
  gap:12px;
  align-items:start;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.08);
  border-radius: 16px;
  padding:12px;
}
.alert-dot{
  width:10px;
  height:10px;
  border-radius: 999px;
  margin-top:4px;
  box-shadow: 0 0 0 6px rgba(255,255,255,.03);
}
.alert-dot.ok{background: rgba(46,240,181,.95)}
.alert-dot.warn{background: rgba(255,204,102,.95)}
.alert-dot.danger{background: rgba(255,95,109,.95)}
.alert-title{font-weight:950}
.alert-sub{margin-top:6px; color:var(--muted); font-size:12px; line-height:1.55}
.alert-time{color: rgba(255,255,255,.55); font-size:12px}
.alerts-foot{
  padding: 10px 14px 14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.panel-mini{padding-bottom:12px}
.mini-charts{
  padding: 12px 14px 14px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.mini-chart{
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.10);
  border-radius: 16px;
  padding:12px;
}
.mini-chart-h{color: rgba(255,255,255,.62); font-size:12px}
.mini-chart svg{display:block; width:100%; height:auto; margin-top:8px}
.mini-line{
  fill:none;
  stroke: rgba(46,231,255,.95);
  stroke-width:4;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw 1.4s var(--ease) forwards;
}
.mini-line.danger{stroke: rgba(255,120,132,.95)}
.mini-dot{fill: rgba(46,240,181,.92)}
.mini-dot.danger{fill: rgba(255,214,122,.95)}
.mini-foot{margin-top:10px; display:flex; gap:8px; flex-wrap:wrap}

@keyframes draw{
  to{stroke-dashoffset: 0}
}

.feature-grid{
  margin-top:22px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
}
.feature{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.025);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: 0 14px 55px rgba(0,0,0,.16);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
}
.feature:hover{
  transform: translateY(-3px);
  border-color: rgba(46,231,255,.22);
  background: rgba(255,255,255,.035);
}
.feature h3{margin:0 0 8px; font-size:18px}
.feature p{margin:0 0 12px; color:var(--muted); line-height:1.7}

#product .feature p{
  min-height: 72px;
}

.page-hero{
  position:relative;
  padding: 46px 0 10px;
}
.page-hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:center;
}
.page-hero h1{
  margin:0 0 10px;
  font-size:40px;
  line-height:1.08;
  letter-spacing:-.5px;
}
.page-hero p{
  margin:0;
  color:var(--muted);
  line-height:1.75;
  max-width: 64ch;
}
.page-hero-visual{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 420px at 18% 0%, rgba(91,124,255,.18), transparent 62%),
    radial-gradient(900px 420px at 88% 10%, rgba(46,231,255,.12), transparent 62%),
    rgba(255,255,255,.02);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.page-hero-visual svg{display:block; width:100%; height:auto}

@media (max-width: 980px){
  .page-hero-inner{grid-template-columns: 1fr}
  .page-hero h1{font-size:34px}
}

.checklist{list-style:none; padding:0; margin:0}
.checklist li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin:8px 0;
  color:var(--text);
  font-size:13px;
  line-height:1.5;
}
.checklist li::before{
  content:"";
  position:relative;
  top:0;
  width:12px; height:12px;
  border-radius:4px;
  background: linear-gradient(135deg, rgba(46,240,181,1), rgba(46,231,255,1));
  margin-top:4px; /* 与首行文字基线对齐 */
  flex: 0 0 auto;
}

.adv-grid{
  margin-top:22px;
  display:grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap:10px;
}
.adv{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.025);
  border-radius: 16px;
  padding:14px;
  box-shadow: 0 12px 45px rgba(0,0,0,.14);
}
.adv-title{font-weight:900; font-size:18px}
.adv-desc{margin-top:8px; color:var(--muted); font-size:12px; line-height:1.5}
.adv2-grid{
  margin-top:22px;
  display:grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap:10px;
}
.adv2{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.025);
  border-radius: 16px;
  padding:16px;
  box-shadow: 0 12px 45px rgba(0,0,0,.14);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
}
.adv2:hover{
  transform: translateY(-3px);
  border-color: rgba(46,231,255,.22);
  background: rgba(255,255,255,.035);
}
.adv2-icon{
  width:44px;
  height:44px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  display:grid;
  place-items:center;
  color: rgba(46,231,255,.92);
  box-shadow: 0 16px 50px rgba(0,0,0,.18);
}
.adv2-icon svg{width:22px; height:22px}
.adv2-title{margin-top:12px; font-weight:950; font-size:18px}
.adv2-desc{margin-top:8px; color:var(--muted); font-size:12px; line-height:1.55}
.callout{
  margin-top:18px;
  border:1px solid rgba(91,124,255,.28);
  background:
    radial-gradient(900px 320px at 20% 0%, rgba(91,124,255,.20), transparent 62%),
    radial-gradient(900px 320px at 85% 20%, rgba(46,231,255,.14), transparent 62%),
    rgba(255,255,255,.02);
  border-radius: var(--radius);
  padding:16px;
}
.callout-title{font-weight:900}
.callout-desc{margin-top:8px; color:var(--muted); line-height:1.6}

.pricing-grid{
  margin-top:22px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:14px;
}
.price-card{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.025);
  border-radius: var(--radius);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
  box-shadow: 0 16px 60px rgba(0,0,0,.16);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
}
.price-card:hover{
  transform: translateY(-3px);
  border-color: rgba(46,231,255,.22);
  background: rgba(255,255,255,.035);
}
.price-card.highlight{
  border-color: rgba(53,209,255,.35);
  background: radial-gradient(800px 420px at 20% -10%, rgba(53,209,255,.18), transparent 60%),
              rgba(255,255,255,.03);
}
.price-head{display:flex; align-items:center; justify-content:space-between; gap:10px}
.price-title{font-weight:900}
.price-tag{
  font-size:12px; color:var(--muted);
  border:1px solid var(--line);
  padding:6px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.02);
}
.price{display:flex; align-items:baseline; gap:8px}
.price-main{font-size:34px; font-weight:950}
.price-unit{color:var(--muted)}
.price-sub{color:var(--muted); font-size:13px}

.faq{margin-top:18px; display:grid; gap:10px}
details{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.025);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: 0 12px 45px rgba(0,0,0,.12);
}
summary{
  cursor:pointer;
  font-weight:800;
  list-style:none;
  display:flex;
  align-items:center;
  gap:10px;
}
summary::-webkit-details-marker{display:none}
details summary::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:4px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
}
details[open] summary::before{
  background: linear-gradient(135deg, rgba(91,124,255,.95), rgba(46,231,255,.85));
  border-color: rgba(46,231,255,.25);
}
.faq-body{
  margin-top:10px;
  color:var(--muted);
  line-height:1.7;
  padding-left:20px;
}

.contact{
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 320px at 30% 0%, rgba(46,240,181,.14), transparent 60%),
    radial-gradient(900px 320px at 90% 20%, rgba(46,231,255,.10), transparent 60%),
    rgba(255,255,255,.02);
  border-radius: var(--radius);
  padding: 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  box-shadow: 0 22px 70px rgba(0,0,0,.18);
}
.contact h2{margin:0 0 8px; font-size:22px}
.contact p{margin:0; color:var(--muted); line-height:1.6}
.contact-actions{display:flex; gap:10px; flex-wrap:wrap}

.site-footer{
  padding: 30px 0 20px;
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(5,8,20,.78);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
}
.footer-title{font-weight:950; font-size:16px}
.footer-desc{margin-top:8px; color:var(--muted); max-width:520px; line-height:1.6}
.footer-links{display:flex; gap:14px; flex-wrap:wrap; color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.footer-bottom{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  gap:10px;
  color:var(--muted);
  flex-wrap:wrap;
}
.sep{opacity:.4}

.modal{
  position:fixed; inset:0;
  display:none;
  z-index:80;
}
.modal[aria-hidden="false"]{display:block}
.modal-backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
}
.modal-panel{
  position:relative;
  width:min(560px, calc(100% - 32px));
  margin: 8vh auto 0;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 340px at 20% 0%, rgba(91,124,255,.16), transparent 60%),
    radial-gradient(900px 340px at 90% 10%, rgba(46,231,255,.10), transparent 60%),
    rgba(5,8,20,.92);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modal-head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 14px;
  border-bottom:1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.modal-title{font-weight:950}
.modal-content{padding:14px; color:var(--muted); line-height:1.7}

.dialog{
  /* 兼容不支持 <dialog> 的移动端 WebView：默认不展示 */
  display:none;
  border:none;
  padding:0;
  background: transparent;
  width:min(560px, calc(100% - 32px));
  color:var(--text);
}
.dialog[open]{
  /* 无论是否支持 showModal，都用固定遮罩的方式展示，避免被当成普通块元素追加到页面底部 */
  display:grid;
  place-items:center;
  position:fixed;
  inset:0;
  width:auto;
  max-width:none;
  margin:0;
  padding: 8vh 16px 16px;
  background: rgba(0,0,0,.55);
  z-index: 1000;
}
.dialog::backdrop{
  background: rgba(0,0,0,.55);
}
.dialog-panel{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 340px at 20% 0%, rgba(91,124,255,.16), transparent 60%),
    radial-gradient(900px 340px at 90% 10%, rgba(46,231,255,.10), transparent 60%),
    rgba(5,8,20,.92);
  box-shadow: var(--shadow);
  width: min(560px, calc(100% - 32px));
  max-height: calc(100vh - 16vh);
  overflow: auto;
}

.form{padding:14px; display:grid; gap:12px}
.form label{display:grid; gap:8px}
.form span{font-size:12px; color:var(--muted)}
.form input,.form textarea{
  width:100%;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  padding: 10px 12px;
  color: var(--text);
  outline:none;
}
.sms-row{
  display:flex;
  gap:10px;
  align-items:center;
}
.sms-row input{
  flex: 1 1 auto;
  min-width: 0;
}
.sms-btn{
  flex: 0 0 auto;
  padding:10px 12px;
  border-radius: 14px;
  white-space:nowrap;
}
.form input:focus,.form textarea:focus{
  border-color: rgba(53,209,255,.5);
  box-shadow: 0 0 0 4px rgba(53,209,255,.12);
}
.form-hint{margin:0; color:var(--muted); font-size:12px; line-height:1.5}

@media (max-width: 980px){
  .hero-inner{grid-template-columns: 1fr; gap:16px}
  h1{font-size:44px}
  .adv-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .pricing-grid{grid-template-columns: 1fr}
  .feature-grid{grid-template-columns: 1fr}
  .footer-inner{flex-direction:column}
  .matrix{grid-template-columns: repeat(2, minmax(0,1fr))}
  .dash{grid-template-columns: 1fr}
  .monitor{grid-template-columns: 1fr}
  .triple-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .adv2-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
}

@media (max-width: 820px){
  .nav{display:none}
  .nav-toggle{display:inline-block}
  .mobile-nav{display:none}
  .mobile-nav.open{display:block}
  .hero-metrics{grid-template-columns: 1fr; }
  .card-grid{grid-template-columns:1fr}
  .contact{flex-direction:column; align-items:flex-start}
  .matrix{grid-template-columns: 1fr}
  .dash-stats{grid-template-columns: 1fr}
  .triple-grid{grid-template-columns: 1fr}
  .kpi-row{grid-template-columns: 1fr}
  .adv2-grid{grid-template-columns: 1fr}
  /* 菜单收进抽屉后，给品牌区更多空间，避免标题/副标题被挤到换行 */
  .header-inner{gap:12px}
  .header-actions::before{display:none}
}

@media (max-width: 520px){
  .container{width: calc(100% - 28px)}
  body{padding-top: 72px;}

  .hero{padding: 46px 0 8px}
  h1{font-size:38px}
  .hero-desc{font-size:15px}
  .pill{font-size:12px; line-height:1.4}

  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}

  .section{padding: 56px 0}
  .section-head h2{font-size:28px}

  .metric{padding:14px}
  .metric-value{font-size:24px}
  .metric-label{font-size:13px}

  .matrix-card{padding:16px}
  .matrix-title{font-size:17px}

  .monitor{gap:12px}
  .panel-title{padding:12px 14px}
  .kpi-num{font-size:48px}

  /* 小屏下表格不要硬挤：可横向滚动阅读 */
  .access-table{
    display:block;
    overflow-x:auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 12px 14px;
  }
  .access-table thead, .access-table tbody{display:block}
  .access-table tr.access-row{min-width: 420px}

  .mini-charts{grid-template-columns: 1fr}
  .alerts{padding: 12px}
  .alerts-foot .btn{width:100%}

  .triple-card{padding:16px}
  .adv2{padding:14px}
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto !important; transition:none !important; animation:none !important}
  body::before, body::after{animation:none !important}
}