:root{
  --bg:#070B15;
  --bg-2:#0B1224;
  --bg-3:#0E1730;
  --panel:#0D1526;
  --ink:#EAF1FB;
  --muted:#94A1BA;
  --faint:#5F6C86;
  --accent:#33E0C9;
  --accent-soft:rgba(51,224,201,.14);
  --blue:#53A6FF;
  --violet:#8B7BFF;
  --danger:#FF5C7A;
  --line:rgba(148,170,220,.14);
  --line-strong:rgba(148,170,220,.24);
  --radius:10px;
  --font-disp:"Chakra Petch","Noto Sans SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Share Tech Mono","JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(51,224,201,.25)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
body::after{
  content:"";position:fixed;inset:0;z-index:999;pointer-events:none;
  opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}
.container{width:min(1180px,92%);margin:0 auto}
.mono{font-family:var(--font-mono);font-feature-settings:"tnum" 1;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  border-bottom:1px solid var(--line);
  background:rgba(7,11,21,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px}
.brand svg{width:30px;height:30px}
.brand-name{font-family:var(--font-disp);font-weight:600;letter-spacing:.5px;font-size:19px;color: #ffffff;}
.brand-name em{font-style:normal;color:var(--accent)}
.brand-sub{font-size:11px;color:var(--faint);letter-spacing:2px;text-transform:uppercase;font-family:var(--font-mono)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;color:var(--muted);transition:color .2s;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .25s ease}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:var(--font-body);font-weight:500;font-size:15px;
  padding:11px 22px;border-radius:var(--radius);
  transition:transform .2s ease,box-shadow .2s ease,background .2s,border-color .2s;
  border:1px solid transparent;
}
.btn-primary{background:linear-gradient(120deg,#2fd8c0,#2aa8ff);color:#04121a;font-weight:600}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(51,224,201,.28)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:rgba(20,30,55,.4)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-nav{padding:9px 18px;font-size:14px}
.nav-cta{display:flex;align-items:center;gap:16px}
.menu-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:8px;color:var(--ink);width:42px;height:42px;cursor:pointer;font-size:20px;line-height:1}
.mobile-menu{
  display:none;position:fixed;top:68px;left:0;right:0;z-index:99;
  background:rgba(7,11,21,.97);border-bottom:1px solid var(--line);
  padding:18px 6% 26px;flex-direction:column;gap:4px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 4px;font-size:16px;color:var(--muted);border-bottom:1px solid var(--line)}
.mobile-menu a:last-of-type{border-bottom:none}
.mobile-menu .btn{margin-top:14px;justify-content:center}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:130px 0 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 18% 8%,rgba(43,80,140,.28) 0%,transparent 55%),
    linear-gradient(90deg,rgba(7,11,21,.94) 0%,rgba(7,11,21,.72) 42%,rgba(7,11,21,.32) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;pointer-events:none;
  background-image:
    linear-gradient(rgba(148,170,220,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,170,220,.07) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 80%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 80%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:13px;color:var(--accent);
  padding:7px 14px;border:1px solid rgba(51,224,201,.3);border-radius:100px;
  background:rgba(51,224,201,.07);margin-bottom:26px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(51,224,201,.5)}50%{box-shadow:0 0 0 7px rgba(51,224,201,0)}}
.hero h1{
  font-family:var(--font-disp);font-weight:600;
  font-size:clamp(34px,5.2vw,60px);line-height:1.12;letter-spacing:.5px;
  margin-bottom:22px;text-wrap:balance;
}
.hero h1 .grad{
  background:linear-gradient(100deg,#33E0C9 10%,#53A6FF 60%,#8B7BFF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:34px;line-height:1.85}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-meta{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:26px}
.hero-meta .m-item .m-label{font-family:var(--font-mono);font-size:12px;color:var(--faint);letter-spacing:1px}
.hero-meta .m-item .m-val{font-family:var(--font-disp);font-size:26px;font-weight:600;margin-top:4px}
.hero-meta .m-item .m-val small{font-size:14px;color:var(--accent);font-weight:500}

/* 安全处置台 */
.soc{
  border:1px solid var(--line-strong);border-radius:14px;overflow:hidden;
  background:linear-gradient(180deg,rgba(14,23,48,.85),rgba(10,16,32,.9));
  box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.soc-head{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line)}
.soc-title{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.soc-title .led{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s ease-in-out infinite}
.soc-status{display:flex;gap:16px;align-items:center}
.status-pill{font-family:var(--font-mono);font-size:12px;padding:4px 10px;border-radius:100px;border:1px solid rgba(51,224,201,.35);color:var(--accent)}
.soc-body{padding:18px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.kpi{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:rgba(10,16,32,.55)}
.kpi .k-num{font-family:var(--font-disp);font-size:22px;font-weight:600;line-height:1}
.kpi .k-num .u{font-size:12px;color:var(--accent);font-weight:500}
.kpi .k-lbl{font-size:12px;color:var(--faint);margin-top:6px}
.chart-wrap{height:148px;margin-bottom:16px}
.term{
  background:#060a15;border:1px solid var(--line);border-radius:8px;padding:12px 14px;
  font-family:var(--font-mono);font-size:12px;line-height:1.9;color:#b9c7e0;height:172px;overflow:hidden;
}
.term .ln{opacity:0;animation:termIn .4s ease forwards}
@keyframes termIn{to{opacity:1}}
.term .t-tag{color:var(--accent)}
.term .t-warn{color:var(--danger)}
.term .t-dim{color:var(--faint)}
.soc-foot{padding:11px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--faint)}

/* 入场编排 */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.1s}.rv-d2{transition-delay:.2s}.rv-d3{transition-delay:.32s}.rv-d4{transition-delay:.44s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .hero-grid,.hero-eyebrow .dot,.soc-title .led{animation:none}
  html{scroll-behavior:auto}
}

/* ============ 通用区块 ============ */
.section{padding:104px 0;position:relative}
.section-head{max-width:760px;margin-bottom:56px}
.eyebrow{
  font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:2px;
  text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.section-head h2{font-family:var(--font-disp);font-weight:600;font-size:clamp(27px,3.6vw,40px);line-height:1.2;margin-bottom:16px;text-wrap:balance}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8}

/* 数据条 */
.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:52px 0}
.stat .s-num{font-family:var(--font-disp);font-size:clamp(30px,3.6vw,44px);font-weight:600;line-height:1;display:flex;align-items:baseline;gap:6px}
.stat .s-num .sfx{font-size:22px;color:var(--accent)}
.stat .s-lbl{color:var(--muted);margin-top:12px;font-size:14px}
.stat .s-line{width:38px;height:2px;background:var(--accent);margin-bottom:18px}

/* 核心服务 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{
  border:1px solid var(--line);border-radius:12px;padding:26px 24px;
  background:linear-gradient(180deg,rgba(13,21,38,.7),rgba(11,18,36,.55));
  position:relative;overflow:hidden;transition:border-color .3s,transform .3s;
}
.svc::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--blue));opacity:0;transition:opacity .3s;
}
.svc:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.svc:hover::before{opacity:1}
.svc .svc-num{font-family:var(--font-mono);font-size:12px;color:var(--faint);letter-spacing:1px}
.svc .svc-ic{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;margin:14px 0 16px;border:1px solid rgba(51,224,201,.28);background:var(--accent-soft)}
.svc .svc-ic svg{width:24px;height:24px;stroke:var(--accent)}
.svc h3{font-family:var(--font-disp);font-size:19px;font-weight:600;margin-bottom:10px}
.svc p{color:var(--muted);font-size:14px;line-height:1.8}
.svc .svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.svc .svc-tags span{font-family:var(--font-mono);font-size:11px;color:var(--blue);border:1px solid var(--line);border-radius:6px;padding:4px 9px}

/* 常见问题（症状→修复） */
.pain{padding:104px 0;background:var(--bg-2)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain-card{border:1px solid var(--line);border-radius:12px;padding:26px 24px;background:var(--bg);transition:border-color .3s,transform .3s;position:relative;overflow:hidden}
.pain-card:hover{border-color:rgba(51,224,201,.4);transform:translateY(-4px)}
.pain-card .pain-sym{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--danger);margin-bottom:16px}
.pain-card .pain-sym::before{content:"▲";font-size:10px}
.pain-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.pain-card .pain-sign{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.pain-card .pain-solve{font-size:13px;color:var(--accent);border-top:1px dashed var(--line-strong);padding-top:14px;line-height:1.75}
.pain-card .pain-solve b{font-weight:600}

/* 防护架构（纵深） */
.defense{padding:104px 0;background:var(--bg)}
.defense .container{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.defense-visual{position:relative}
.layer-stack{display:flex;flex-direction:column;gap:12px}
.layer{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border:1px solid var(--line);border-radius:10px;
  background:linear-gradient(90deg,rgba(14,23,48,.9),rgba(10,16,32,.7));
  cursor:pointer;transition:border-color .25s,transform .25s;position:relative;
}
.layer:hover,.layer.active{border-color:rgba(51,224,201,.5);transform:translateX(6px)}
.layer .l-ic{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;border:1px solid var(--line-strong);flex-shrink:0}
.layer .l-ic svg{width:20px;height:20px;stroke:var(--blue)}
.layer.active .l-ic svg{stroke:var(--accent)}
.layer .l-mid{flex:1;margin:0 16px}
.layer .l-name{font-size:15.5px;font-weight:500}
.layer .l-desc{font-size:12.5px;color:var(--faint);margin-top:2px}
.layer .l-level{font-family:var(--font-mono);font-size:12px;color:var(--accent);white-space:nowrap}
.layer-detail{
  margin-top:14px;border:1px dashed var(--line-strong);border-radius:10px;padding:16px 18px;
  background:rgba(10,16,32,.5);font-size:14px;color:var(--muted);line-height:1.8;min-height:74px;
}
.layer-detail strong{color:var(--ink);font-weight:500}
.defense-notes{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.defense-notes .note{font-family:var(--font-mono);font-size:12px;color:var(--faint);border:1px solid var(--line);border-radius:8px;padding:8px 12px}

/* 技术优势 */
.adv{padding:104px 0;background:var(--bg-2)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-card{border:1px solid var(--line);border-radius:12px;padding:26px;background:var(--bg);position:relative}
.adv-card .adv-bar{position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--blue),var(--violet));opacity:.85}
.adv-card .adv-metric{font-family:var(--font-disp);font-size:38px;font-weight:600;line-height:1}
.adv-card .adv-metric small{font-size:15px;color:var(--blue)}
.adv-card h3{font-size:16.5px;margin:14px 0 8px}
.adv-card p{font-size:13.5px;color:var(--muted);line-height:1.8}
.adv-compare{margin-top:56px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.adv-compare table{width:100%;border-collapse:collapse;table-layout:fixed}
.adv-compare th,.adv-compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.adv-compare th{font-family:var(--font-mono);font-size:12px;color:var(--faint);letter-spacing:1px;text-transform:uppercase;background:rgba(10,16,32,.5)}
.adv-compare tr:last-child td{border-bottom:none}
.adv-compare td:first-child{color:var(--muted)}
.adv-compare .val-us{color:var(--accent);font-weight:600}
.adv-compare .val-other{color:var(--faint)}

/* 修复流程时间轴 */
.tl{padding:104px 0;background:var(--bg)}
.tl-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}
.tl-intro p{color:var(--muted);line-height:1.9}
.tl-list{display:flex;flex-direction:column}
.tl-item{display:grid;grid-template-columns:150px 56px 1fr;gap:0;padding:26px 0;position:relative}
.tl-item:not(:last-child)::after{content:"";position:absolute;left:178px;top:74px;bottom:-2px;width:1px;background:var(--line-strong)}
.tl-date{font-family:var(--font-mono);font-size:15px;color:var(--faint);padding-top:4px;text-align:right}
.tl-axis{display:grid;justify-items:center}
.tl-node{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(51,224,201,.14);align-self:center}
.tl-item:first-child .tl-node{background:var(--blue);box-shadow:0 0 0 5px rgba(83,166,255,.18)}
.tl-body{padding:0 0 0 22px}
.tl-body h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.tl-body p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* 证言 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--bg-2);display:flex;flex-direction:column}
.quote .q-mark{font-family:var(--font-disp);font-size:44px;line-height:1;color:var(--accent);margin-bottom:14px}
.quote blockquote{font-size:15px;color:var(--ink);line-height:1.8;flex:1}
.quote .q-by{margin-top:22px;border-top:1px solid var(--line);padding-top:16px;display:flex;align-items:center;gap:12px}
.quote .q-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-disp);font-weight:600;font-size:15px;border:1px solid var(--line-strong);color:var(--accent)}
.quote .q-name{font-size:14px;font-weight:500}
.quote .q-role{font-size:12px;color:var(--faint)}

/* CTA */
.cta-section{padding:110px 0;position:relative;overflow:hidden}
.cta-section::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(60% 70% at 50% 0%,rgba(51,224,201,.14),transparent 60%),
    radial-gradient(50% 60% at 80% 100%,rgba(139,123,255,.12),transparent 60%);
}
.cta-box{position:relative;text-align:center;border:1px solid var(--line-strong);border-radius:18px;padding:64px 40px;background:var(--bg-2)}
.cta-box h2{font-family:var(--font-disp);font-weight:600;font-size:clamp(26px,3.4vw,38px);margin-bottom:16px;text-wrap:balance}
.cta-box p{color:var(--muted);max-width:560px;margin:0 auto 34px;line-height:1.85}
.cta-box .cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand .brand-name{font-size:21px}
.footer-brand p{color:var(--faint);font-size:13.5px;margin-top:16px;max-width:300px;line-height:1.8}
.footer h4{font-size:13px;font-family:var(--font-mono);color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:18px}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--faint);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-family:var(--font-mono);font-size:12px;color:var(--faint)}

/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .svc-grid,.pain-grid,.adv-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .defense .container{grid-template-columns:1fr;gap:40px}
  .tl-wrap{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:760px){
  .nav-links,.nav-cta .btn-nav{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero{padding:120px 0 60px}
  .svc-grid,.pain-grid,.adv-grid,.quote-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .tl-item{grid-template-columns:100px 40px 1fr}
  .tl-item:not(:last-child)::after{left:120px}
  .kpi-row{grid-template-columns:1fr 1fr}
  .cta-box{padding:46px 22px}
}
@media (max-width:420px){
  .stats-grid,.kpi-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}