/* 艾派互联 · 科技版官网
 * 设计语言：深空底、发丝线、单一青色强调、控制台式首屏
 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:var(--font);
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 480px at 12% -8%,rgba(46,230,200,.14),transparent 62%),
    radial-gradient(820px 420px at 92% 6%,rgba(92,140,255,.12),transparent 60%),
    radial-gradient(700px 500px at 50% 108%,rgba(46,230,200,.05),transparent 65%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,auto,64px 64px,64px 64px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
a{text-decoration:none;color:inherit}
img{max-width:100%}
svg{display:block}
h1,h2,h3,h4{font-weight:800;font-style:normal;letter-spacing:-.025em;line-height:1.2}
.container{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono)}

/* ---------- 顶栏 ---------- */
header{
  position:sticky;top:0;z-index:40;
  background:rgba(4,7,12,.74);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
nav{display:flex;align-items:center;height:68px;gap:6px}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;
  margin-right:18px;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;
}
.logo img{height:30px;width:30px;border-radius:8px;object-fit:cover}
.logo span{color:var(--accent);font-size:11px;letter-spacing:.18em;border:1px solid var(--line-2);
  padding:3px 7px;border-radius:999px;margin-left:2px;font-family:var(--mono)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links>a,.dropdown>a{
  display:block;padding:9px 13px;border-radius:8px;font-size:13.5px;color:var(--ink-2);
  transition:color var(--t),background var(--t);
}
.nav-links>a:hover,.dropdown>a:hover{color:var(--ink);background:rgba(255,255,255,.055)}
.nav-links a.active{color:var(--accent)}
.dropdown{position:relative}
.dropdown-menu{
  display:none;position:absolute;right:0;top:calc(100% + 8px);min-width:180px;padding:7px;
  background:#0B1219;border:1px solid var(--line-2);border-radius:12px;box-shadow:var(--shadow);
}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:9px 11px;border-radius:7px;font-size:13px;color:var(--ink-2);white-space:nowrap}
.dropdown-menu a:hover{background:rgba(46,230,200,.08);color:var(--accent)}
.nav-login{padding:9px 13px;font-size:13.5px;color:var(--ink-2)}
.nav-login:hover{color:var(--ink)}
.nav-cta{padding:8px 16px;font-size:13px;margin-left:4px}
.nav-status{
  display:inline-flex;align-items:center;gap:7px;margin-left:10px;padding:5px 10px;
  border:1px solid var(--line);border-radius:999px;color:var(--ink-3);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
}
.nav-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:36px;padding:0 11px;flex-direction:column;
  justify-content:center;gap:5px;background:transparent;border:1px solid var(--line-2);
  border-radius:8px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink-2);border-radius:2px;transition:all var(--t)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--accent)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:9px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background var(--t),border-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:0 12px 34px -18px rgba(46,230,200,.8)}
.btn.primary:hover{background:var(--accent-hi);border-color:var(--accent-hi);transform:translateY(-1px)}
.btn.ghost{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.02)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(46,230,200,.06)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn svg{width:16px;height:16px}

/* ---------- 首屏 ---------- */
.hero{padding:70px 0 60px;position:relative;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:54px;align-items:center}
.hero-copy{min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:6px 11px;margin-bottom:24px;
  border:1px solid var(--line-2);border-radius:999px;background:rgba(46,230,200,.055);
  color:var(--accent);font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.12em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.08;letter-spacing:-.04em;max-width:12em}
.hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 40px rgba(46,230,200,.28)}
.hero .lede{color:var(--ink-2);font-size:16.5px;line-height:1.9;margin:22px 0 28px;max-width:610px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-points{display:flex;flex-wrap:wrap;gap:16px;list-style:none;margin-top:26px;color:var(--ink-3);font-size:12.5px}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points svg{width:14px;height:14px;color:var(--accent)}
.hero-visual{position:relative;min-width:0}

/* 控制台 */
.console{
  position:relative;border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,rgba(16,25,37,.94),rgba(6,10,16,.98));
  box-shadow:var(--shadow),0 0 0 1px rgba(46,230,200,.06) inset;
}
.console::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.7;
}
.console-bar{
  display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-3);
}
.console-bar i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px rgba(74,227,160,.8)}
.console-bar b{color:var(--ink-2);font-weight:600;letter-spacing:.06em}
.console-bar .live{margin-left:auto;color:var(--accent);border:1px solid var(--line-3);border-radius:999px;padding:2px 8px;font-size:9.5px}
.topo{padding:10px 10px 0;background:
  radial-gradient(420px 220px at 50% 44%,rgba(46,230,200,.09),transparent 70%),
  linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,28px 28px,28px 28px;
}
.topo svg{width:100%;height:auto}
.topo .edge{stroke:rgba(46,230,200,.55);stroke-width:1.5;fill:none;stroke-dasharray:5 6;animation:dash 7s linear infinite}
.topo .edge.soft{stroke:rgba(255,255,255,.22);stroke-dasharray:3 7;animation-duration:11s;animation-direction:reverse}
.topo .node-ring{fill:none;stroke:rgba(46,230,200,.32);stroke-width:1}
.topo .node-core{fill:rgba(46,230,200,.13);stroke:var(--accent);stroke-width:1.5}
.topo .node-dot{fill:var(--accent)}
.topo text{font-family:var(--mono);fill:var(--ink-3);font-size:10px;letter-spacing:.02em}
.topo text.hi{fill:var(--accent);font-size:11px}
.topo .halo{animation:pulse 2.8s ease-in-out infinite;transform-origin:center}
@keyframes dash{to{stroke-dashoffset:-120}}
@keyframes pulse{0%,100%{opacity:.35;r:26}50%{opacity:.9;r:31}}
.console-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.console-metrics div{padding:12px 14px;border-right:1px solid var(--line)}
.console-metrics div:last-child{border-right:0}
.console-metrics .k{font-size:10px;letter-spacing:.1em;color:var(--ink-3);font-family:var(--mono)}
.console-metrics .v{font-family:var(--mono);font-size:19px;color:var(--ink);margin-top:3px}
.console-metrics .v em{font-style:normal;color:var(--accent);font-size:11px;margin-left:4px}
.console-log{padding:12px 16px 14px;font-family:var(--mono);font-size:10.5px;line-height:1.95;color:var(--ink-3);min-height:88px}
.console-log div.vis{animation:logIn .5s var(--t) both}
.console-log span{color:var(--ink-3);margin-right:8px}
.console-log b{color:var(--accent);font-weight:600}
.console-log b.warn{color:var(--warn)}
.console-log b.blue{color:var(--accent-2)}
@keyframes logIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:7px;padding:7px 11px;border-radius:9px;
  background:rgba(11,18,25,.95);border:1px solid var(--line-2);box-shadow:0 18px 40px -24px #000;
  font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink-2);
}
.float-badge i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.float-badge.b1{right:-12px;top:16%;animation:float 6s ease-in-out infinite}
.float-badge.b2{left:-18px;bottom:20%;animation:float 7.5s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ---------- 数据带 ---------- */
.stats-strip{border-bottom:1px solid var(--line);background:rgba(255,255,255,.012)}
.stats-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:25px 22px;border-right:1px solid var(--line);position:relative}
.stat:last-child{border-right:0}
.stat .v{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.stat .v em{font-style:normal;color:var(--accent);font-size:19px;margin-left:3px}
.stat .k{font-size:12.5px;color:var(--ink-2);margin-top:6px}
.stat .n{font-size:11px;color:var(--ink-3);font-family:var(--mono);margin-top:2px}

/* ---------- 区块 ---------- */
section.block{padding:66px 0;border-bottom:1px solid var(--line);position:relative}
section.block:last-of-type{border-bottom:0}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head .overline{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;
  font-weight:700;letter-spacing:.18em;color:var(--accent);margin-bottom:13px;text-transform:uppercase;
}
.sec-head .overline:before{content:"";width:22px;height:1px;background:var(--accent)}
.sec-head h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.035em;color:var(--ink)}
.sec-head h2 em{font-style:normal;color:var(--accent)}
.sec-head p{color:var(--ink-2);font-size:15px;line-height:1.9;margin-top:12px;max-width:680px}
.section-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* ---------- 架构 ---------- */
.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.arch-card{
  position:relative;padding:24px 22px 22px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(17,26,38,.86),rgba(9,14,21,.9));overflow:hidden;
}
.arch-card:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:1px;
  background:linear-gradient(90deg,var(--accent),transparent 55%);opacity:.55}
.arch-card .step{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--ink-3)}
.arch-card .num{position:absolute;right:18px;top:14px;font-family:var(--mono);font-size:44px;
  color:rgba(255,255,255,.045);font-weight:700;line-height:1}
.arch-card h3{font-size:17px;margin:12px 0 7px;color:var(--ink)}
.arch-card p{font-size:13px;line-height:1.85;color:var(--ink-2);min-height:48px}
.arch-card .tagline{display:inline-flex;margin-top:12px;padding:4px 9px;border-radius:999px;
  background:rgba(46,230,200,.08);border:1px solid var(--line-3);font-family:var(--mono);font-size:10px;color:var(--accent)}
.arch-flow{
  display:flex;align-items:center;gap:12px;margin-top:16px;padding:14px 18px;
  border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.018);
  font-family:var(--mono);font-size:11px;color:var(--ink-3);overflow:auto;white-space:nowrap;
}
.arch-flow b{color:var(--ink);font-weight:600}
.arch-flow .flow{flex:1;min-width:40px;height:1px;background:linear-gradient(90deg,var(--accent),rgba(46,230,200,.1));position:relative}
.arch-flow .flow:after{content:"";position:absolute;right:-1px;top:-3px;border-left:6px solid var(--accent);border-top:3px solid transparent;border-bottom:3px solid transparent}
.arch-flow .flow.relay{background:linear-gradient(90deg,rgba(245,184,90,.7),rgba(245,184,90,.1))}
.arch-flow .flow.relay:after{border-left-color:var(--warn)}

/* ---------- 功能 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{
  position:relative;padding:24px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(14,22,32,.82),rgba(8,13,20,.88));
  transition:border-color var(--t),transform var(--t),background var(--t);
}
.feature:hover{border-color:var(--line-3);transform:translateY(-3px);
  background:linear-gradient(180deg,rgba(19,30,43,.9),rgba(9,15,23,.94))}
.feature .ico{
  width:42px;height:42px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line-3);background:rgba(46,230,200,.08);color:var(--accent);margin-bottom:16px;
}
.feature .ico svg{width:20px;height:20px}
.feature h3{font-size:16px;margin-bottom:7px;color:var(--ink)}
.feature p{font-size:13px;line-height:1.85;color:var(--ink-2)}
.feature-wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}
.feature-wide .copy{min-width:0}
.feature-wide .mini-net{height:100%;min-height:120px;border:1px solid var(--line);border-radius:11px;
  background:
    radial-gradient(260px 120px at 50% 50%,rgba(46,230,200,.12),transparent 72%),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,22px 22px,22px 22px;display:grid;place-items:center;padding:12px;
}
.mini-net svg{width:100%;height:auto}
.mini-net .e{stroke:var(--accent);stroke-width:1.4;stroke-dasharray:4 5;animation:dash 8s linear infinite}
.mini-net .n{fill:rgba(46,230,200,.12);stroke:var(--accent)}
.mini-net text{font-family:var(--mono);font-size:9px;fill:var(--ink-3)}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.scene{
  position:relative;padding:28px 26px 24px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(18,28,40,.86),rgba(7,11,17,.92));overflow:hidden;
}
.scene:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--accent),transparent);opacity:.7}
.scene .no{position:absolute;right:20px;top:14px;font-family:var(--mono);font-size:52px;
  color:rgba(255,255,255,.04);font-weight:700;line-height:1}
.scene .kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.scene h3{font-size:19px;margin-bottom:8px}
.scene p{font-size:13.5px;line-height:1.9;color:var(--ink-2);max-width:92%}
.scene .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.scene .tags span{font-family:var(--mono);font-size:10px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:999px;padding:4px 9px}

/* ---------- 步骤 ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}
.timeline:before{content:"";position:absolute;left:8%;right:8%;top:27px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-3),var(--line-3),transparent)}
.tl-step{position:relative;padding:0 6px}
.tl-no{
  width:54px;height:54px;border-radius:50%;display:grid;place-items:center;margin-bottom:18px;
  border:1px solid var(--line-3);background:#081018;color:var(--accent);
  font-family:var(--mono);font-size:15px;font-weight:700;box-shadow:0 0 0 6px var(--bg);
}
.tl-step h3{font-size:16px;margin-bottom:7px}
.tl-step p{font-size:13px;color:var(--ink-2);line-height:1.85;max-width:92%}

/* ---------- 套餐 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}
.plan{
  position:relative;display:flex;flex-direction:column;padding:26px 24px;border:1px solid var(--line);
  border-radius:var(--r-lg);background:linear-gradient(180deg,rgba(15,23,34,.88),rgba(7,11,17,.94));
}
.plan.hot{border-color:rgba(46,230,200,.45);box-shadow:0 0 0 1px rgba(46,230,200,.12) inset,0 30px 70px -45px rgba(46,230,200,.35)}
.plan-badge{position:absolute;right:18px;top:18px;padding:3px 9px;border-radius:999px;
  background:var(--accent);color:var(--accent-ink);font-family:var(--mono);font-size:9.5px;font-weight:700;letter-spacing:.06em}
.plan h3{font-size:15px;color:var(--ink-2);font-weight:600;letter-spacing:0}
.plan-price{font-family:var(--mono);font-size:38px;font-weight:700;letter-spacing:-.04em;color:var(--ink);margin:12px 0 4px}
.plan-price span{font-size:12px;color:var(--ink-3);font-weight:400;margin-left:4px}
.plan .desc{font-size:12px;color:var(--ink-3);margin-bottom:18px;min-height:20px}
.plan ul{list-style:none;display:grid;gap:9px;margin:0 0 22px;flex:1}
.plan li{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--ink-2)}
.plan li:before{content:"✓";color:var(--accent);font-family:var(--mono);font-size:12px;line-height:1.7}
.plan li b{color:var(--ink);font-weight:700}
.plan .btn{width:100%}
.plans-note{font-size:12px;line-height:1.9;color:var(--ink-3);margin-top:18px;max-width:920px}
.plans-note b{color:var(--ink-2)}
.plans-note a{color:var(--accent);border-bottom:1px solid var(--line-3)}

/* ---------- 下载 ---------- */
.dl-band{
  display:grid;grid-template-columns:1.02fr 1.2fr;gap:26px;align-items:center;
  border:1px solid var(--line-2);border-radius:var(--r-lg);padding:28px;
  background:
    radial-gradient(600px 240px at 18% 0%,rgba(46,230,200,.11),transparent 65%),
    linear-gradient(180deg,rgba(16,25,37,.9),rgba(7,11,17,.96));
}
.dl-copy h3{font-size:25px;letter-spacing:-.03em;margin-bottom:9px}
.dl-copy p{font-size:13.5px;line-height:1.9;color:var(--ink-2);max-width:440px}
.dl-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;font-family:var(--mono);font-size:10.5px;color:var(--ink-3)}
.dl-meta b{color:var(--accent);font-weight:600}
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.platform{
  display:flex;align-items:center;gap:12px;padding:12px 13px;border:1px solid var(--line);
  border-radius:10px;background:rgba(255,255,255,.02);transition:border-color var(--t),background var(--t);
}
.platform:hover{border-color:var(--line-3);background:rgba(46,230,200,.05)}
.platform .abbr{
  width:38px;height:38px;flex:none;border-radius:9px;display:grid;place-items:center;
  background:rgba(46,230,200,.08);border:1px solid var(--line-3);color:var(--accent);
  font-family:var(--mono);font-size:9.5px;font-weight:700;letter-spacing:.02em;
}
.platform b{display:block;font-size:13px;color:var(--ink);font-weight:600}
.platform span{display:block;font-size:10.5px;color:var(--ink-3);font-family:var(--mono);margin-top:2px}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq details{border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.018);margin-bottom:8px;padding:0 18px}
.faq summary{cursor:pointer;padding:15px 0;font-size:14px;font-weight:600;color:var(--ink);list-style:none;display:flex;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";font-family:var(--mono);color:var(--accent);width:14px;flex:none}
.faq details[open] summary:before{content:"−"}
.faq details p{font-size:13px;line-height:1.9;color:var(--ink-2);padding:0 0 16px 26px;margin-top:-4px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:18px;
  padding:44px 40px;background:
    radial-gradient(700px 260px at 15% 0%,rgba(46,230,200,.16),transparent 66%),
    radial-gradient(500px 260px at 92% 100%,rgba(92,140,255,.14),transparent 66%),
    linear-gradient(180deg,rgba(15,24,36,.96),rgba(6,10,16,.98));
}
.cta-panel:before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:32px 32px;
  mask-image:linear-gradient(90deg,#000,transparent 70%);}
.cta-panel .inner{position:relative;z-index:1;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-panel h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.035em;margin-bottom:8px}
.cta-panel h2 em{font-style:normal;color:var(--accent)}
.cta-panel p{font-size:14px;color:var(--ink-2);max-width:560px;line-height:1.9}
.cta-panel .actions{display:flex;gap:10px;flex-wrap:wrap}
.cta-panel .fine{margin-top:14px;font-family:var(--mono);font-size:10.5px;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);padding:52px 0 22px;background:rgba(0,0,0,.16)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand .flogo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:12px}
.footer-brand img{width:30px;height:30px;border-radius:8px}
.footer-brand p{font-size:12.5px;line-height:1.9;color:var(--ink-3);max-width:320px}
.footer-col h4{font-size:11px;font-family:var(--mono);letter-spacing:.14em;color:var(--ink-3);margin-bottom:13px;text-transform:uppercase}
.footer-col a{display:block;font-size:12.5px;color:var(--ink-2);padding:4px 0;transition:color var(--t)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:18px;
  border-top:1px solid var(--line);font-size:11.5px;color:var(--ink-3)}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--accent)}
.footer-status{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}

/* ---------- 内页 ---------- */
.page-wrap{padding:34px 0 60px}
.page-hero{padding:40px 0 30px;border-bottom:1px solid var(--line);margin-bottom:26px}
.page-hero .overline{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--accent);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px}
.page-hero .overline:before{content:"";width:22px;height:1px;background:var(--accent)}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);letter-spacing:-.035em;margin-bottom:10px}
.page-hero p{font-size:14px;color:var(--ink-2);max-width:760px;line-height:1.9}
.page-card{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(180deg,rgba(14,22,32,.86),rgba(7,11,17,.92));padding:30px}
.page-body{font-size:14.5px;line-height:1.95;color:var(--ink-2)}
.page-body h1{font-size:28px;color:var(--ink);letter-spacing:-.03em;margin-bottom:14px}
.page-body h2{font-size:23px;color:var(--ink);margin:30px 0 12px;padding-top:4px}
.page-body h3{font-size:16.5px;color:var(--ink);margin:22px 0 8px}
.page-body h3:first-child{margin-top:4px}
.page-body p{font-size:14px;line-height:1.95;margin-bottom:11px}
.page-body ol,.page-body ul{margin:10px 0 14px 22px;color:var(--ink-2)}
.page-body li{margin-bottom:5px}
.page-body strong,.page-body b{color:var(--ink)}
.page-body a{color:var(--accent);border-bottom:1px solid var(--line-3)}
.page-body a:hover{border-bottom-color:var(--accent)}
.page-body table{width:100%;border-collapse:collapse;margin:14px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.page-body th,.page-body td{border-bottom:1px solid var(--line);padding:10px 12px;font-size:13px;text-align:left;color:var(--ink-2)}
.page-body tr:last-child td{border-bottom:0}
.page-body th{color:var(--ink);background:rgba(255,255,255,.035);font-weight:600}
.page-body pre{background:#05080D;border:1px solid var(--line);color:#D7E2EE;padding:14px 16px;border-radius:9px;
  overflow:auto;font-size:12.5px;line-height:1.75;margin:12px 0;font-family:var(--mono)}
.page-body code{background:rgba(255,255,255,.055);border:1px solid var(--line);padding:1px 6px;border-radius:5px;
  font-size:12.5px;font-family:var(--mono);color:var(--ink)}
.page-body .note{background:rgba(46,230,200,.055);border-left:2px solid var(--accent);padding:12px 15px;
  border-radius:0 8px 8px 0;margin:14px 0;color:var(--ink-2);font-size:13px}
.page-body details{margin:8px 0;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.018);padding:0 15px}
.page-body summary{cursor:pointer;padding:12px 0;color:var(--ink);font-size:14px;font-weight:600;list-style:none}
.page-body summary::-webkit-details-marker{display:none}
.page-body summary:before{content:"+";margin-right:9px;color:var(--accent);font-family:var(--mono)}
.page-body details[open] summary:before{content:"−"}
.page-body details>*:not(summary){margin-bottom:12px}
.dark{padding:46px 0;background:rgba(255,255,255,.012);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 下载页 ---------- */
.dlbox{border:1px solid var(--line-2);background:rgba(255,255,255,.025);border-radius:var(--r-lg);padding:24px;max-width:620px;margin:14px 0 22px}
.dlbox h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.dlbox p{color:var(--ink-2);font-size:13px}
.dls{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin:14px 0}
.dl{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02);transition:border-color var(--t),background var(--t)}
.dl:hover{border-color:var(--line-3);background:rgba(46,230,200,.055)}
.dl b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:4px}
.dl span{color:var(--ink-3);font-size:12px;font-family:var(--mono)}
.dlhint{color:var(--ink-3);font-size:12px;line-height:1.9;margin-bottom:8px}
.dl-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}
.dl-tab{font-size:13px;font-weight:600;color:var(--ink-2);cursor:pointer;background:rgba(255,255,255,.025);
  border:1px solid var(--line);border-radius:8px;padding:9px 15px;transition:all var(--t)}
.dl-tab:hover{color:var(--ink);border-color:var(--line-2)}
.dl-tab.on{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
.dl-pane{display:none}
.dl-pane.on{display:block}

/* ---------- 移动底栏与响应式 ---------- */
@media (max-width:1060px){
  .nav-status{display:none}
  .nav-links>a,.dropdown>a{padding-left:9px;padding-right:9px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:640px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-wide{grid-column:span 2}
  .arch-grid{grid-template-columns:1fr}
  .stats-strip .container{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .plans{grid-template-columns:1fr 1fr}
  .dl-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:820px){
  :root{--pad:18px}
  nav{height:60px}
  .nav-links{
    display:none;position:fixed;inset:60px 0 auto 0;padding:14px 18px 22px;
    background:#070C12;border-bottom:1px solid var(--line-2);flex-direction:column;
    align-items:stretch;gap:3px;max-height:calc(100dvh - 60px);overflow:auto;
  }
  .nav-links.open{display:flex}
  .nav-links>a,.dropdown>a{padding:12px 12px;font-size:15px}
  .dropdown-menu{display:block;position:static;border:0;background:transparent;padding:0 0 4px 14px;box-shadow:none}
  .dropdown-menu a{padding:8px 10px;color:var(--ink-3)}
  .nav-login,.nav-cta{margin-top:8px;text-align:center;justify-content:center;display:inline-flex}
  .nav-status{margin:10px 0 0;align-self:flex-start}
  .nav-toggle{display:flex}
  .hero{padding:44px 0 40px}
  .hero h1{font-size:clamp(32px,8.4vw,42px)}
  .hero .lede{font-size:15px;margin:16px 0 22px}
  .hero-points{gap:10px 14px;font-size:12px}
  .console-metrics .v{font-size:16px}
  .float-badge.b1{right:2px;top:8px}
  .float-badge.b2{left:2px;bottom:8px}
  section.block{padding:46px 0}
  .sec-head{margin-bottom:24px}
  .sec-head h2{font-size:26px}
  .feature-grid,.scene-grid,.timeline,.plans{grid-template-columns:1fr}
  .feature-wide{grid-column:auto;grid-template-columns:1fr}
  .feature-wide .mini-net{min-height:150px}
  .timeline:before{display:none}
  .tl-step{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start}
  .tl-no{margin-bottom:0}
  .tl-step h3{margin-top:2px}
  .dl-band{padding:22px}
  .platform-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .page-card{padding:20px}
  .page-wrap{padding:20px 0 40px}
  .page-hero{padding:26px 0 22px}
}
@media (max-width:520px){
  .stats-strip .container{grid-template-columns:1fr 1fr}
  .stat{padding:18px 14px}
  .stat .v{font-size:23px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
  .console-metrics{grid-template-columns:1fr 1fr}
  .console-metrics div:nth-child(2){border-right:0}
  .console-metrics div:nth-child(3){grid-column:1/-1;border-top:1px solid var(--line);border-right:0}
  .float-badge{display:none}
}