:root{
  --bg:#0b0f1a; --bg2:#0f1626; --panel:#121a2b; --panel2:#0e1524;
  --line:#22304a; --txt:#e7edf7; --muted:#9fb0c9; --dim:#6b7c97;
  --c1:#37e0c4; --c2:#6aa6ff; --c3:#b07bff; --warn:#ffcf6a; --bad:#ff7a8a; --ok:#52e08a;
  --radius:14px; --shadow:0 10px 40px rgba(0,0,0,.35);
  --mono:'SF Mono',ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--txt);background:
  radial-gradient(1200px 600px at 80% -10%,rgba(106,166,255,.12),transparent 60%),
  radial-gradient(900px 500px at -10% 10%,rgba(176,123,255,.10),transparent 55%),
  var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--c2);text-decoration:none}
img{display:block;max-width:100%}
b{color:#fff}
code{font-family:var(--mono);background:rgba(255,255,255,.06);padding:1px 6px;border-radius:6px;font-size:.9em}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(11,15,26,.72);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px;color:#fff}
.brand span{font-size:18px}
.brand em{font-style:normal;font-size:12px;color:var(--dim);border-left:1px solid var(--line);padding-left:10px;margin-left:2px}
.nav-links{margin-left:auto;display:flex;gap:18px;font-size:14px}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:8px;padding:6px 10px;font-size:16px;margin-left:auto}

/* Hero */
.hero{position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;opacity:.5;pointer-events:none}
.hero-bg img{width:100%;height:100%;object-fit:cover;filter:saturate(1.2)}
.hero-inner{position:relative;max-width:1180px;margin:0 auto;padding:90px 20px 70px;text-align:center}
.badge{display:inline-block;font-size:12px;color:var(--c1);border:1px solid rgba(55,224,196,.4);
  background:rgba(55,224,196,.08);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(30px,5vw,52px);margin:0 0 14px;line-height:1.15;
  background:linear-gradient(120deg,#fff,var(--c1) 55%,var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:680px;margin:0 auto 26px;color:var(--muted);font-size:17px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-stats{list-style:none;display:flex;gap:34px;justify-content:center;flex-wrap:wrap;padding:0;margin:46px 0 0}
.hero-stats li{display:flex;flex-direction:column;align-items:center}
.hero-stats strong{font-size:30px;color:#fff}
.hero-stats span{font-size:13px;color:var(--dim)}

/* 按钮 */
.btn{display:inline-block;padding:11px 20px;border-radius:10px;font-weight:600;font-size:14px;transition:transform .15s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(120deg,var(--c1),var(--c2));color:#06121f;box-shadow:0 8px 24px rgba(55,224,196,.3)}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--txt)}
.btn-block{width:100%;text-align:center;margin-top:14px}
.btn-sm{padding:8px 14px;font-size:13px;background:rgba(106,166,255,.12);border:1px solid rgba(106,166,255,.35);color:var(--c2)}
.btn-xs{padding:6px 12px;border-radius:8px;border:1px solid var(--line);background:linear-gradient(120deg,var(--c1),var(--c2));color:#06121f;font-weight:600;font-size:13px;cursor:pointer}
.btn-xs.ghost{background:rgba(255,255,255,.04);color:var(--muted);border-color:var(--line)}
.btn-xs:hover{filter:brightness(1.05)}

/* Section */
.section{max-width:1180px;margin:0 auto;padding:64px 20px}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3.5vw,34px);margin:0 0 10px}
.section-head p{color:var(--muted);max-width:760px;margin:0}
.tag{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--c1);
  border:1px solid rgba(55,224,196,.4);padding:3px 10px;border-radius:6px;margin-bottom:10px}
.sim.alt{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);border-radius:24px}

/* 卡片 */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s,border-color .2s}
.info-card:hover{transform:translateY(-3px);border-color:rgba(106,166,255,.5)}
.info-ic{font-size:26px;margin-bottom:8px}
.info-card h3{margin:4px 0 8px;font-size:17px}
.info-card p{color:var(--muted);font-size:14px;margin:0 0 14px;min-height:42px}

/* split 布局 */
.split{display:grid;grid-template-columns:1.55fr .9fr;gap:20px;align-items:start}
.side{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.side h3{margin:6px 0 10px;font-size:15px;color:#fff}
.side h3:not(:first-child){margin-top:22px}
.scenes,.feats{margin:0;padding-left:0;list-style:none;font-size:13.5px;color:var(--muted)}
.scenes li{padding:6px 0 6px 18px;position:relative;border-bottom:1px dashed rgba(255,255,255,.06)}
.scenes li:before{content:'▹';position:absolute;left:0;color:var(--c1)}
.feats li{padding:4px 0;color:var(--muted)}

/* 面板 */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.panel-bar{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--panel2);border-bottom:1px solid var(--line)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#ff5f56}.dot.y{background:#ffbd2e}.dot.g{background:#27c93f}
.panel-title{font-size:13px;color:var(--muted);margin-left:6px}
.spacer{flex:1}
.mini{font-size:12px;color:var(--dim);display:inline-flex;align-items:center;gap:6px}
.mini.grow{flex:1}
.mini.block{display:flex;flex-direction:column;gap:6px;text-align:left;margin:12px}
.mini.block b{color:var(--c1)}
.mini select,.mini input,.mini textarea{font-family:var(--sans);background:var(--panel2);color:var(--txt);
  border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-size:13px;outline:none}
.mini select:focus,.mini input:focus,.mini textarea:focus{border-color:var(--c2)}
.mini input,.mini textarea{width:100%}

/* 终端 */
.term{height:300px;overflow:auto;padding:12px;font-family:var(--mono);font-size:13px;background:#070b14;color:#cfe3ff}
.term .ln{white-space:pre-wrap;word-break:break-all;padding:1px 0}
.term .ts{color:var(--dim)}
.term .tx{color:var(--c2)}
.term .rx{color:var(--ok)}
.term .sys{color:var(--warn)}
.term-input{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--panel2)}
.term-input .prompt{color:var(--c1);font-family:var(--mono)}
.term-input input{flex:1;background:#070b14;border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:8px 10px;font-family:var(--mono);font-size:13px;outline:none}
.term-input input:focus{border-color:var(--c1)}
.hint{font-size:12px;color:var(--dim);padding:8px 12px;background:var(--panel2);border-top:1px solid var(--line)}

/* HTTP */
.req-grid{display:flex;gap:10px;padding:12px;align-items:flex-end}
.req-head{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
.kv{display:flex;flex-direction:column;gap:8px;padding:8px 12px}
.kv .row{display:flex;gap:8px;align-items:center}
.kv .row input{flex:1;background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:7px 9px;font-size:13px;outline:none}
.kv .row input:focus{border-color:var(--c2)}
.kv .row .x{background:none;border:1px solid var(--line);color:var(--bad);border-radius:8px;width:30px;height:32px;cursor:pointer}
.req-actions{display:flex;gap:8px;align-items:center;padding:12px;flex-wrap:wrap;border-top:1px solid var(--line)}
.resp{border-top:1px solid var(--line)}
.resp-bar{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--panel2)}
.status{font-family:var(--mono);font-weight:700;padding:3px 10px;border-radius:999px;font-size:13px}
.status.idle{background:rgba(255,255,255,.06);color:var(--dim)}
.status.ok{background:rgba(82,224,138,.15);color:var(--ok)}
.status.err{background:rgba(255,122,138,.15);color:var(--bad)}
.status.warn{background:rgba(255,207,106,.15);color:var(--warn)}
.muted{color:var(--dim);font-size:12px}
.code{margin:0;padding:14px;background:#070b14;color:#cfe3ff;font-family:var(--mono);font-size:12.5px;max-height:280px;overflow:auto;white-space:pre-wrap;word-break:break-all}

/* 网络 */
.sliders{padding:12px;display:flex;flex-direction:column;gap:14px}
.sliders input[type=range]{width:100%;accent-color:var(--c1)}
.net-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:8px;padding:12px}
.net-cell{border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center;font-size:12px;background:var(--panel2)}
.net-cell .lbl{color:var(--dim)}
.net-cell .bar{height:6px;border-radius:4px;background:rgba(255,255,255,.08);margin:6px 0;overflow:hidden}
.net-cell .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--c1),var(--c2))}
.net-cell.ok{border-color:rgba(82,224,138,.4)}
.net-cell.fail{border-color:rgba(255,122,138,.45)}
.net-cell.fail .bar i{background:var(--bad)}
.net-summary{padding:12px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}

/* 数据 */
#dataOut{min-height:160px}

/* 页脚 */
.footer{border-top:1px solid var(--line);margin-top:40px;background:var(--bg2)}
.footer-inner{max-width:1180px;margin:0 auto;padding:26px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
.footer-inner strong{color:#fff;margin-left:6px}

/* 响应式 */
@media (max-width:920px){
  .split{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bg2);
    border-bottom:1px solid var(--line);padding:12px 20px;gap:12px}
  .nav-links.open{display:flex}
  .nav-toggle{display:inline-block}
}