:root{
  --bg:#ffffff;--bg-2:#f5f8fc;--panel:#f7f9fc;--panel-2:#eef3fa;
  --line:#d3ddeb;--line-soft:#e4ebf4;
  --ink:#2c3a4e;--ink-2:#5a687c;--ink-3:#6b7b91;
  --cyan:#0d8a7e;--cyan-2:#0a7368;--cyan-deep:#0b7a6f;
  --amber:#c27b12;--amber-deep:#b9791e;--red:#e5484d;
  --lt-bg:#ffffff;--lt-panel:#f7f9fc;--lt-line:#d3ddeb;
  --lt-ink:#2c3a4e;--lt-ink-2:#5a687c;--lt-ink-3:#6b7b91;
  --maxw:1180px;--pad:clamp(20px,5vw,60px);
}
/* 软件界面示意窗口保留深色（作为白底页面上的“产品截图”） */
.ui{
  --bg:#0a1220;--bg-2:#0c1626;--panel:#111f34;--panel-2:#16283f;
  --line:#20344f;--line-soft:#182741;
  --ink:#eef3fa;--ink-2:#9fb2cc;--ink-3:#7f92ab;
  --cyan:#3ad6c6;--cyan-2:#5fe8d8;--cyan-deep:#188e81;
  --amber:#f6a93b;--amber-deep:#b9791e;--red:#ff6a6a;
  color:var(--ink);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.22}
p{margin:0}
img,svg{display:block;max-width:100%}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.en{font-family:"Space Grotesk",sans-serif}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}

header.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(255,255,255,.9);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center}
.brand-logo{display:block;height:64px;width:auto;max-width:none;margin-left:-15px}
.foot-brand .brand-logo{margin:-10px 0 -6px -15px}
nav.links{display:flex;gap:clamp(20px,2.4vw,36px);align-items:center}
nav.links a{color:var(--ink-2);font-size:14.5px;transition:color .18s}
nav.links a:not(.nav-cta):hover{color:var(--ink)}
.nav-cta{background:var(--cyan);color:#fff;font-weight:600;padding:9px 18px;border-radius:8px;font-size:14px;transition:.18s}
.nav-cta:hover{background:var(--cyan-2);transform:translateY(-1px)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:40px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
@media(max-width:940px){
  nav.links{position:fixed;inset:68px 0 auto;flex-direction:column;background:var(--bg-2);border-bottom:1px solid var(--line);padding:12px var(--pad) 18px;gap:2px;transform:translateY(-145%);transition:transform .32s;align-items:stretch}
  nav.links.open{transform:none}
  nav.links a:not(.nav-cta){padding:12px 4px;border-bottom:1px solid var(--line-soft)}
  nav.links .nav-cta{margin-top:12px;text-align:center}
  .burger{display:flex}
}

.hero{position:relative;padding:clamp(50px,7vw,92px) 0 clamp(44px,6vw,80px);overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;right:-10%;width:70%;height:120%;
  background:radial-gradient(closest-side,rgba(13,138,126,.09),transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:54px 54px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 30% 0,#000,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 30% 0,#000,transparent 75%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(30px,4vw,58px);align-items:center;z-index:1}
.h-tag{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:var(--cyan);border:1px solid rgba(13,138,126,.3);background:rgba(13,138,126,.06);padding:6px 14px;border-radius:100px;margin-bottom:26px}
.h-tag .d{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(13,138,126,.45)}70%{box-shadow:0 0 0 7px rgba(13,138,126,0)}100%{box-shadow:0 0 0 0 rgba(13,138,126,0)}}
.hero h1{font-size:clamp(23px,2vw + 9px,38px);letter-spacing:-.015em;margin-bottom:18px}
.hero h1 .l2{color:var(--ink-2);font-weight:400}
.hero-lead{font-size:clamp(15px,1.5vw,17px);color:var(--ink-2);max-width:32em;margin-bottom:32px;margin-top:20px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:38px}
.btn-p{background:var(--cyan);color:#fff;font-weight:600;padding:13px 26px;border-radius:9px;font-size:15px;transition:.18s}
.btn-p:hover{background:var(--cyan-2);transform:translateY(-2px)}
.btn-g{border:1px solid var(--line);color:var(--ink);padding:13px 24px;border-radius:9px;font-size:15px;transition:.18s}
.btn-g:hover{border-color:var(--cyan-deep);background:rgba(13,138,126,.06)}
.hero-strip{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line-soft);padding-top:22px}
.hero-strip .m b{display:block;font-family:"Space Grotesk";font-size:23px;font-weight:600;margin-bottom:5px}
.hero-strip .m span{font-size:12.5px;color:var(--ink-3)}

.ui{border:1px solid var(--line);border-radius:15px;overflow:hidden;background:var(--panel);box-shadow:0 34px 70px -36px rgba(13,26,44,.38)}
.ui-bar{display:flex;align-items:center;gap:8px;padding:11px 15px;background:var(--bg-2);border-bottom:1px solid var(--line-soft)}
.ui-bar .dot{width:10px;height:10px;border-radius:50%}
.ui-bar .r{background:#ff5f57}.ui-bar .y{background:#febc2e}.ui-bar .g{background:#28c840}
.ui-bar .name{margin-left:8px;font-family:"IBM Plex Mono";font-size:11.5px;color:var(--ink-3)}
.ui-bar .live{margin-left:auto;font-size:10.5px;color:var(--cyan);display:flex;align-items:center;gap:6px}
.ui-bar .live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2s infinite}
.ui-body{display:grid;grid-template-columns:118px 1fr;min-height:300px}
.ui-side{border-right:1px solid var(--line-soft);padding:14px 10px;background:rgba(6,12,22,.35);font-family:"IBM Plex Mono";font-size:11px;color:var(--ink-3)}
.ui-side .h{color:var(--ink-2);margin-bottom:9px;font-size:10px;letter-spacing:.05em}
.ui-side .f{padding:4px 8px;border-radius:5px;margin-bottom:2px}
.ui-side .f.act{background:rgba(58,214,198,.1);color:var(--cyan)}
.ui-main{padding:15px 16px}
.ui-stats{display:flex;gap:9px;margin-bottom:14px}
.stat{flex:1;border:1px solid var(--line-soft);border-radius:8px;padding:9px 11px}
.stat b{font-family:"Space Grotesk";font-size:20px;display:block;line-height:1}
.stat span{font-size:10px;color:var(--ink-3)}
.stat.crit b{color:var(--red)}.stat.warn b{color:var(--amber)}.stat.ok b{color:var(--cyan)}
.ui-tbl{font-size:11.5px;font-family:"IBM Plex Mono"}
.ui-tbl .tr{display:grid;grid-template-columns:1.4fr .7fr .8fr auto;gap:8px;padding:7px 6px;border-bottom:1px solid var(--line-soft);align-items:center}
.ui-tbl .tr.hd{color:var(--ink-3);font-size:10px;border-bottom:1px solid var(--line)}
.ui-tbl .nm{color:var(--ink)}
.ui-tbl .vr{color:var(--ink-3)}
.ui-tbl .ty{color:var(--ink-3);font-size:10px}
.pill{font-size:9.5px;padding:2px 7px;border-radius:20px;justify-self:end}
.pill.v{color:var(--red);background:rgba(255,106,106,.13);border:1px solid rgba(255,106,106,.3)}
.pill.s{color:var(--cyan);background:rgba(58,214,198,.1);border:1px solid rgba(58,214,198,.25)}
.pill.zero{color:#fff;background:#dd3450;border:1px solid #ff6a6a;font-weight:600;box-shadow:0 0 10px rgba(221,52,80,.45)}
.pill.hi{color:var(--amber);background:rgba(246,169,59,.14);border:1px solid rgba(246,169,59,.36)}
.scanbar{position:relative;height:3px;background:var(--line-soft);border-radius:3px;margin-top:13px;overflow:hidden}
.scanbar::after{content:"";position:absolute;left:0;top:0;height:100%;width:38%;border-radius:3px;background:linear-gradient(90deg,transparent,var(--cyan));animation:load 3.4s ease-in-out infinite}
@keyframes load{0%{left:-38%}60%{left:100%}100%{left:100%}}
@media(max-width:940px){.hero-grid{grid-template-columns:1fr}.ui{order:-1}}
@media(prefers-reduced-motion:reduce){.h-tag .d,.ui-bar .live::before,.scanbar::after{animation:none}}

section{padding:clamp(58px,8vw,108px) 0;position:relative}
.head-xl{font-size:clamp(25px,3.4vw,40px);letter-spacing:-.015em;margin-bottom:18px;max-width:17em}
.lead-md{color:var(--ink-2);max-width:46em;font-size:16.5px;text-wrap:pretty}
.light .lead-md{color:var(--lt-ink-2)}

.cap-top{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:40px}
@media(max-width:820px){.cap-top{grid-template-columns:1fr;gap:20px}}
.cap-list{display:flex;flex-direction:column}
.cap{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:30px 0;border-top:1px solid var(--line-soft);align-items:start}
.cap:last-child{border-bottom:1px solid var(--line-soft)}
.cap .no{font-family:"Space Grotesk";font-size:15px;font-weight:600;color:var(--cyan);padding-top:5px}
.cap .ct{display:grid;grid-template-columns:1.1fr 1.3fr;gap:30px;align-items:baseline}
.cap h3{font-size:20px}
.cap p{color:var(--ink-2);font-size:15px}
@media(max-width:680px){.cap{grid-template-columns:40px 1fr;gap:14px}.cap .ct{grid-template-columns:1fr;gap:8px}}

.flag{background:var(--bg)}
.flag-top{max-width:640px;margin-bottom:50px}
.flag-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--amber);font-size:13.5px;margin-bottom:18px}
.flag-eyebrow .ln{width:30px;height:1px;background:var(--amber-deep)}
.flag-name{font-family:"Space Grotesk";font-weight:700;font-size:clamp(30px,4vw,44px);letter-spacing:-.02em;margin-bottom:14px}
.flag-name .r{color:var(--cyan)}
.flag-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
@media(max-width:900px){.flag-grid{grid-template-columns:1fr}}
.flow{display:flex;flex-direction:column}
.step{display:flex;gap:18px;padding:18px 0;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;left:17px;top:44px;bottom:-6px;width:1px;background:var(--line)}
.step .b{flex:0 0 auto;width:35px;height:35px;border-radius:9px;border:1px solid var(--line);background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk";font-weight:600;color:var(--cyan);z-index:1}
.step.ot .b{color:var(--amber);border-color:var(--amber-deep)}
.step .sc b{display:block;font-size:16px;margin-bottom:3px}
.step .sc b .ot-tag{font-family:"IBM Plex Mono";font-size:10px;color:var(--amber);border:1px solid var(--amber-deep);border-radius:4px;padding:1px 6px;margin-left:8px;font-weight:400}
.step .sc span{color:var(--ink-3);font-size:14px}
.flag-copy .fc{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line-soft)}
.flag-copy .fc:last-child{border-bottom:1px solid var(--line-soft)}
.flag-copy .fc .k{flex:0 0 46px;font-family:"IBM Plex Mono";font-size:12px;color:var(--cyan);padding-top:3px}
.flag-copy .fc b{display:block;font-size:16px;margin-bottom:3px}
.flag-copy .fc span{color:var(--ink-2);font-size:14.5px}

.bento{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-top:52px}
@media(max-width:820px){.bento{grid-template-columns:1fr}}
.pc{border:1px solid var(--line-soft);border-radius:15px;background:var(--panel);padding:28px;position:relative;overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.pc:hover{border-color:var(--cyan-deep);transform:translateY(-3px)}
.pc.feat{grid-row:span 2;background:linear-gradient(160deg,var(--panel-2),var(--panel))}
.pc .tp{font-size:11px;color:var(--ink-3);letter-spacing:.04em;margin-bottom:auto;display:flex;align-items:center;gap:8px}
.pc .tp i{width:7px;height:7px;border-radius:2px;background:var(--cyan);font-style:normal}
.pc.hw .tp i{background:var(--amber)}.pc.edu .tp i{background:#7f94ff}
.pc h3{font-size:20px;margin:16px 0 6px}
.pc.feat h3{font-size:26px}
.pc .model{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--amber);margin-bottom:10px}
.pc p{color:var(--ink-2);font-size:14.5px;margin-bottom:16px}
.pc .tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto}
.pc .tags span{font-size:11.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:20px;padding:3px 11px}
.pcb{margin:6px 0 18px;border-radius:10px;overflow:hidden;border:1px solid var(--line-soft)}

.light{background:var(--lt-bg);color:var(--lt-ink)}
.light .head-xl{color:var(--lt-ink)}
.svc-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;margin-top:44px}
@media(max-width:760px){.svc-wrap{grid-template-columns:1fr}}
.svc{display:grid;grid-template-columns:40px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--lt-line);align-items:start}
.svc .si{color:var(--cyan-deep);padding-top:3px}
.svc h3{font-size:18px;color:var(--lt-ink);margin-bottom:7px}
.svc p{color:var(--lt-ink-2);font-size:14.5px}

.cra{background:var(--bg)}
.cra-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,60px);align-items:center}
@media(max-width:860px){.cra-grid{grid-template-columns:1fr}.cra-panel{order:-1}}
.cra h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.cra .lead-md{margin-bottom:24px}
.cra ul{list-style:none;padding:0;margin:0 0 44px;display:grid;gap:14px}
.cra li{display:flex;gap:13px;font-size:15.5px}
.cra li svg{flex:0 0 auto;color:var(--amber);margin-top:5px}
.cra-panel{border:1px solid rgba(194,123,18,.45);border-radius:16px;padding:32px;background:rgba(217,158,46,.07)}
.cra-panel .lb{font-family:"IBM Plex Mono";font-size:12px;color:var(--amber);margin-bottom:12px}
.cra-panel .big{font-family:"Space Grotesk";font-size:clamp(25px,3.3vw,36px);font-weight:700;line-height:1.15;margin-bottom:14px}
.cra-panel p{color:var(--ink-2);font-size:14.5px}

.ind-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:46px}
@media(max-width:760px){.ind-wrap{grid-template-columns:1fr}}
.ind{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:24px 26px;border:1px solid var(--line-soft);border-radius:13px;background:var(--panel);transition:.2s;align-items:start}
.ind:hover{border-color:var(--cyan-deep);background:var(--panel-2)}
.ind .ii{color:var(--cyan);padding-top:2px}
.ind h4{font-size:17px;margin-bottom:6px}
.ind p{font-size:13.5px;color:var(--ink-3)}

.cl-sub{font-size:14px;color:var(--lt-ink-3);margin:36px 0 16px}
.logos{display:flex;flex-wrap:wrap;gap:12px}
.logo{flex:1 1 150px;background:#fff;border:1px solid var(--lt-line);border-radius:11px;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px 14px;font-size:14.5px;color:var(--lt-ink-2);min-height:82px;font-weight:500;transition:.2s}
.logo:hover{border-color:var(--cyan-deep);color:var(--lt-ink);box-shadow:0 8px 22px -12px rgba(20,60,90,.25)}
.logo img{max-height:46px;max-width:88%;object-fit:contain;filter:none}
.logo .logo-txt{display:none}
.logo.noimg img{display:none}
.logo.noimg .logo-txt{display:block}
.qr-img{width:120px;height:120px;border-radius:12px;border:1px solid var(--line-soft);background:#fff;padding:6px;object-fit:contain}
.qr-fallback{width:120px;height:120px;border-radius:12px;border:1px solid var(--line-soft);display:none;align-items:center;justify-content:center;text-align:center;font-size:12px;color:var(--ink-3);padding:10px}
.qr-wrap.noimg .qr-img{display:none}
.qr-wrap.noimg .qr-fallback{display:flex}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
@media(max-width:840px){.about-grid{grid-template-columns:1fr}}
.about-copy p{color:var(--ink-2);margin-bottom:18px;font-size:15.5px}
.about-copy strong{color:var(--ink)}
.creds{display:flex;flex-direction:column;gap:16px}
.cred{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:22px 24px;border:1px solid var(--line-soft);border-radius:13px;background:var(--panel);align-items:start}
.cred .cn{font-family:"Space Grotesk";font-weight:700;color:var(--cyan);font-size:20px}
.cred b{display:block;font-size:15.5px;margin-bottom:4px}
.cred span{color:var(--ink-3);font-size:13.5px}

.contact{background:var(--bg)}
.cc{border:1px solid var(--line);border-radius:20px;background:linear-gradient(150deg,var(--panel-2),var(--bg-2));padding:clamp(32px,5vw,58px);display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,56px);align-items:center;position:relative;overflow:hidden}
.cc::before{content:"";position:absolute;top:-40%;right:-15%;width:55%;height:150%;background:radial-gradient(closest-side,rgba(13,138,126,.08),transparent);pointer-events:none}
@media(max-width:800px){.cc{grid-template-columns:1fr}}
.cc h2{font-size:clamp(24px,3.2vw,35px);margin-bottom:14px;position:relative}
.cc .lead-md{margin-bottom:26px}
.cc-actions{display:flex;gap:13px;flex-wrap:wrap;position:relative}
.info-list{display:flex;flex-direction:column;gap:22px;position:relative}
.info{display:flex;gap:15px;align-items:flex-start}
.info svg{flex:0 0 auto;color:var(--cyan);margin-top:2px}
.info .k{font-size:12.5px;color:var(--ink-3);margin-bottom:2px}
.info .v{font-size:15px}

footer{border-top:1px solid var(--line-soft);padding:54px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;margin-bottom:40px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-brand p{color:var(--ink-3);font-size:8px;margin-top:14px;max-width:24em}
.foot-col h5{font-size:13px;color:var(--ink-2);margin-bottom:14px;font-weight:600}
.foot-col a{display:block;color:var(--ink-3);font-size:12px;padding:5px 0;transition:.18s}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid var(--line-soft);padding-top:24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:11px;color:var(--ink-3)}
.foot-bottom a{color:var(--ink-3)}.foot-bottom a:hover{color:var(--ink-2)}

/* ================================================================
   二级页面扩展（首页样式之后追加，变量与组件保持同一套）
   ================================================================ */
section[id]{scroll-margin-top:68px}
nav.links a.active:not(.nav-cta){color:var(--ink);text-decoration:underline;text-decoration-color:var(--cyan);text-decoration-thickness:2px;text-underline-offset:9px}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:15px;margin-top:22px;transition:.18s}
.more:hover{color:var(--cyan-2);gap:12px}
.slim{padding:clamp(40px,5vw,64px) 0}
nav.links a.nav-cta{color:#fff}
nav.links a.key{color:var(--ink)}
.hero h1.sm{font-size:clamp(28px,3.8vw,46px)}

.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;color:var(--ink-3);margin-bottom:22px}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{opacity:.45}

/* 代码/研判示意 */
.cd{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;line-height:1.85;color:var(--ink-2);overflow-x:auto;border:1px solid var(--line-soft);border-radius:9px;background:rgba(6,12,22,.4);padding:8px 0}
.cd .l{display:block;white-space:pre;padding-right:14px}
.cd .l i{display:inline-block;width:34px;padding-right:12px;text-align:right;font-style:normal;color:var(--ink-3);opacity:.7;user-select:none}
.cd .l.bad{background:rgba(255,106,106,.1);box-shadow:inset 2px 0 0 var(--red)}
.cd .l.warn{background:rgba(246,169,59,.1);box-shadow:inset 2px 0 0 var(--amber)}
.cd .k{color:var(--cyan)}.cd .s{color:var(--amber)}.cd .c{color:var(--ink-3)}
.verdict{margin-top:12px;border:1px solid rgba(58,214,198,.28);background:rgba(58,214,198,.06);border-radius:9px;padding:11px 13px;font-size:12.5px;line-height:1.6;color:var(--ink-2)}
.verdict b{display:block;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;font-weight:500;letter-spacing:.06em;color:var(--cyan);margin-bottom:3px}
.ui.solo .ui-body{min-height:0}
@media(max-width:560px){.ui.solo .ui-body{grid-template-columns:1fr}.ui.solo .ui-side{display:none}}

/* 深度能力块（左右交替） */
.dives{display:flex;flex-direction:column;gap:clamp(56px,7vw,92px);margin-top:clamp(56px,7vw,88px)}
.dive{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,68px);align-items:center}
.dive.rev .dv-copy{order:2}
@media(max-width:860px){.dive{grid-template-columns:1fr}.dive.rev .dv-copy{order:0}}
.dv-tag{display:flex;align-items:center;gap:10px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;color:var(--cyan);margin-bottom:14px}
.dv-tag .ln{width:26px;height:1px;background:var(--cyan-deep)}
.dv-copy h3{font-size:clamp(22px,2.6vw,29px);letter-spacing:-.012em;margin-bottom:14px}
.dv-copy>p{color:var(--ink-2);font-size:15.5px;margin-bottom:20px}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ticks li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.ticks li::before{content:"";flex:0 0 auto;width:14px;height:1px;background:var(--cyan);margin-top:.82em}
.light .ticks li{color:var(--lt-ink-2)}
.light .ticks li::before{background:var(--cyan-deep)}

.trace{padding:18px 20px}
.tn{position:relative;padding:0 0 20px 28px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;line-height:1.6}
.tn:last-child{padding-bottom:0}
.tn::before{content:"";position:absolute;left:4px;top:4px;width:9px;height:9px;border-radius:50%;background:var(--bg-2);border:1.5px solid var(--cyan)}
.tn:not(:last-child)::after{content:"";position:absolute;left:8px;top:17px;bottom:1px;width:1px;background:var(--line)}
.tn .t{display:block;font-size:10px;letter-spacing:.08em;color:var(--ink-3)}
.tn .v{color:var(--ink);word-break:break-all}
.tn.sink::before{background:var(--red);border-color:var(--red)}
.tn.sink .t{color:var(--red)}
.tn .pill{margin-left:8px;vertical-align:1px}

.mx .tr{grid-template-columns:1.7fr repeat(4,.34fr) auto}
.mx .tr .m{text-align:center;color:var(--ink-3)}
.mx .tr .m.on{color:var(--cyan)}
.mx .tr .m.hot{color:var(--red)}

/* 分析流程（浅色区） */
.pipe{margin-top:44px;display:flex;flex-direction:column}
.pp{display:grid;grid-template-columns:72px 1.05fr 1.25fr .8fr;gap:clamp(18px,3vw,36px);padding:32px 0;border-top:1px solid var(--lt-line);align-items:start}
.pp:last-child{border-bottom:1px solid var(--lt-line)}
.pp .n{font-family:"Space Grotesk",sans-serif;font-size:36px;font-weight:700;line-height:1;color:var(--cyan-deep)}
.pp.ot .n{color:var(--amber-deep)}
.pp h3{font-size:19px;color:var(--lt-ink);margin-bottom:8px}
.tag-ot{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10px;font-weight:400;color:var(--amber-deep);border:1px solid var(--amber-deep);border-radius:4px;padding:1px 6px;margin-left:8px;vertical-align:2px}
.pp p{color:var(--lt-ink-2);font-size:15px}
.pipe.two .pp{grid-template-columns:72px 1fr 2fr}
@media(max-width:860px){
  .pipe.two .pp{grid-template-columns:52px 1fr;row-gap:10px}
  .pipe.two .pp>p{grid-column:2}
}

/* 技术差异化（三列） */
.dx3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
@media(max-width:940px){.dx3{grid-template-columns:1fr}}
.dxp{border:1px solid var(--line-soft);border-radius:15px;background:var(--panel);padding:clamp(24px,3vw,32px)}
.dxp.main{background:linear-gradient(160deg,var(--panel-2),var(--panel));border-color:var(--line)}
.dxp .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;letter-spacing:.04em;color:var(--cyan)}
.dxp.ot .k{color:var(--amber)}
.dxp h3{font-size:clamp(19px,2vw,22px);margin:12px 0 12px}
.dxp>p{color:var(--ink-2);font-size:15px}

/* 三层交付 */
.tiers{margin-top:44px;display:flex;flex-direction:column;gap:16px}
.tier{display:grid;grid-template-columns:.85fr 1.6fr;gap:clamp(20px,4vw,52px);background:var(--lt-panel);border:1px solid var(--lt-line);border-radius:15px;padding:clamp(22px,3vw,32px) clamp(22px,3vw,34px);align-items:start}
@media(max-width:820px){.tier{grid-template-columns:1fr}}
.tier .aud{display:inline-block;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;color:var(--cyan-deep);border:1px solid rgba(24,142,129,.35);border-radius:20px;padding:2px 12px;margin-bottom:14px}
.tier h3{font-size:22px;color:var(--lt-ink)}
.tier p{color:var(--lt-ink-2);font-size:15.5px}

/* 左标题 + 右列表 */
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,5vw,76px);align-items:start}
.split>.sticky{position:sticky;top:104px}
@media(max-width:860px){.split{grid-template-columns:1fr}.split>.sticky{position:static}}
.u{display:grid;grid-template-columns:1fr auto;gap:18px;padding:24px 0;border-top:1px solid var(--line-soft);align-items:start}
.u:last-child{border-bottom:1px solid var(--line-soft)}
.u h3{font-size:18px;margin-bottom:6px}
.u p{color:var(--ink-3);font-size:14.5px}
.u .go{color:var(--cyan);font-size:13.5px;white-space:nowrap;padding-top:4px}
.u .go:hover{color:var(--cyan-2)}
@media(max-width:520px){.u{grid-template-columns:1fr;gap:8px}}

/* 相关页面 */
.rel-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
@media(max-width:800px){.rel-wrap{grid-template-columns:1fr}}
.rel-wrap a{display:block;border:1px solid var(--line-soft);border-radius:13px;padding:22px 24px;background:var(--panel);transition:.2s}
.rel-wrap a:hover{border-color:var(--cyan-deep);background:var(--panel-2);transform:translateY(-3px)}
.rel-wrap .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;color:var(--cyan)}
.rel-wrap b{display:block;font-size:17px;margin:8px 0 6px}
.rel-wrap span.d{display:block;color:var(--ink-3);font-size:13.5px;line-height:1.6}
.light .rel-wrap a{background:var(--lt-panel);border-color:var(--lt-line)}
.light .rel-wrap a:hover{border-color:var(--cyan-deep);background:var(--lt-panel);box-shadow:0 12px 26px -16px rgba(20,60,90,.3)}
.light .rel-wrap .k{color:var(--cyan-deep)}
.light .rel-wrap b{color:var(--lt-ink)}
.light .rel-wrap span.d{color:var(--lt-ink-2)}

/* ---------- pentest / cra 页面组件 ---------- */
.nw{white-space:nowrap}
.hero-sub{font-size:clamp(16px,1.7vw,19px);color:var(--ink-2);line-height:1.55;margin:0;text-wrap:balance}
.head-xl{text-wrap:balance}
.hero.warm::before{background:radial-gradient(closest-side,rgba(217,158,46,.12),transparent 70%)}
.cc h2.solo{margin-bottom:26px}
.prose p+p{margin-top:18px}
.mono-lb{font-family:"IBM Plex Mono",ui-monospace,monospace}

/* 攻击面分层（hero 示意） */
.stk{display:flex;flex-direction:column;gap:8px}
.stk .r{display:grid;grid-template-columns:70px 1fr auto;gap:12px;align-items:center;padding:13px 15px;border:1px solid var(--line-soft);border-radius:9px;background:rgba(6,12,22,.35);font-size:14.5px}
.stk .r .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.06em;color:var(--ink-3)}
.stk .r .d{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.stk .r.key{border-color:var(--amber-deep);background:rgba(246,169,59,.07)}
.stk .r.key .k{color:var(--amber)}
.stk .r.key .d{background:var(--amber)}

/* 测试范围（浅色区） */
.lays{margin-top:44px}
.lay{display:grid;grid-template-columns:92px 1fr 1.7fr;gap:clamp(16px,3vw,40px);padding:28px 0;border-top:1px solid var(--lt-line);align-items:baseline}
.lay:last-child{border-bottom:1px solid var(--lt-line)}
.lay .code{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.06em;color:var(--cyan-deep)}
.lay.key .code{color:var(--amber-deep)}
.lay h3{font-size:20px;color:var(--lt-ink)}
.lay p{color:var(--lt-ink-2);font-size:15px}
@media(max-width:760px){.lay{grid-template-columns:1fr;gap:6px;padding:24px 0}}

/* 深度对照（深色区） */
.depth{margin-top:36px}
.dpg{display:grid;grid-template-columns:minmax(140px,210px) 1fr;gap:20px;align-items:stretch;margin-bottom:12px}
.dpg .slabs{display:flex;flex-direction:column;gap:8px}
.dpg .slabs span{border:1px solid var(--line);border-radius:10px;padding:12px 16px;background:var(--panel);font-size:15px}
.dpg .lb{display:flex;align-items:center;border-left:2px solid var(--line);padding-left:18px;color:var(--ink-3);font-size:14px;line-height:1.6}
.dpg.hi .slabs span{border-color:var(--amber-deep);background:rgba(246,169,59,.07)}
.dpg.hi .lb{border-left-color:var(--amber);color:var(--amber)}
.dpg.mid .slabs span{border-color:rgba(13,138,126,.45);background:rgba(13,138,126,.06)}
.dpg.mid .lb{border-left-color:var(--cyan);color:var(--cyan)}
@media(max-width:560px){.dpg{grid-template-columns:1fr;gap:10px}.dpg .lb{padding:2px 0 2px 14px}}

/* 横向流程（浅色区）：每步内容在列内居中 */
.tl{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px}
.tl .t{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 14px}
.tl .t::before{content:"";position:absolute;top:17px;left:14px;right:14px;height:1px;background:var(--lt-line)}
.tl .b{position:relative;width:35px;height:35px;border-radius:9px;border:1px solid var(--lt-line);background:var(--lt-panel);display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk",sans-serif;font-weight:600;color:var(--cyan-deep)}
.tl h3{font-size:17.5px;color:var(--lt-ink);margin:20px 0 8px}
.tl p{color:var(--lt-ink-2);font-size:14.5px}
@media(max-width:860px){
  .tl{grid-template-columns:1fr}
  .tl .t{display:grid;grid-template-columns:35px 1fr;gap:16px;padding:0 0 28px;text-align:left;align-items:start;justify-items:start}
  .tl .t::before{top:40px;bottom:4px;left:17px;right:auto;width:1px;height:auto}
  .tl h3{margin:6px 0 6px}
}

/* CRA：截止时限面板 */
.dl{border:1px solid var(--amber-deep);border-radius:16px;padding:clamp(24px,3vw,36px);background:rgba(246,169,59,.055);box-shadow:0 34px 70px -36px rgba(13,26,44,.3)}
.dl .lb{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;color:var(--amber);margin-bottom:10px}
.dl .n{font-family:"Space Grotesk",sans-serif;font-size:clamp(60px,8vw,100px);font-weight:700;line-height:1;letter-spacing:-.03em;color:var(--amber)}
.dl .n small{font-size:.26em;font-weight:600;letter-spacing:0;color:var(--ink);margin-left:10px}
.dl .note{color:var(--ink-2);font-size:15px;margin:12px 0 24px}
.dl .fl{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px}
.dl .fl span{border:1px solid rgba(246,169,59,.38);border-radius:6px;padding:4px 11px;color:var(--ink-2)}
.dl .fl i{font-style:normal;color:var(--amber-deep)}
.dl .ft{margin-top:22px;padding-top:16px;border-top:1px dashed var(--amber-deep);font-size:13px;color:var(--ink-3)}
@media(max-width:940px){.dl{order:-1}}

/* CRA：生命周期（浅色区） */
.life{margin-top:44px}
.life-track{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.life-track span{background:var(--lt-panel);border:1px solid var(--lt-line);border-radius:10px;padding:16px 8px;text-align:center;font-size:16px;font-weight:600;color:var(--lt-ink)}
.life-track span.on{border-color:var(--amber-deep);background:rgba(246,169,59,.1);color:var(--amber-deep)}
.life-brk{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.life-brk div{border-top:2px solid var(--lt-line);padding-top:10px;font-size:13.5px;line-height:1.55;color:var(--lt-ink-3)}
.life-brk .a{grid-column:1/3}
.life-brk .b{grid-column:3/5;border-top-color:var(--amber);color:var(--amber-deep)}

/* CRA：服务内容（深色区） */
.sv-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(28px,5vw,64px);margin-top:44px}
@media(max-width:760px){.sv-wrap{grid-template-columns:1fr}}
.sv{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:26px 0;border-top:1px solid var(--line-soft);align-items:start}
.sv .no{font-family:"Space Grotesk",sans-serif;font-size:15px;font-weight:600;color:var(--cyan);padding-top:4px}
.sv h3{font-size:18px;margin-bottom:7px}
.sv p{color:var(--ink-2);font-size:14.5px}
.sv .go{display:inline-block;margin-top:10px;color:var(--cyan);font-size:13.5px}
.sv .go:hover{color:var(--cyan-2)}
.sv.hot{grid-column:1/-1;margin-top:26px;padding:26px clamp(20px,3vw,30px);border:1px solid var(--amber-deep);border-radius:13px;background:rgba(246,169,59,.055)}
.sv.hot .no{color:var(--amber)}
.sv.hot p{max-width:46em}

/* CRA：差异化宣言（浅色区） */
.mani-cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);margin-top:36px}
@media(max-width:820px){.mani-cols{grid-template-columns:1fr}}
.mani-cols p{color:var(--lt-ink-2);font-size:16.5px}
.mani-cols p+p{border-left:2px solid var(--cyan-deep);padding-left:clamp(16px,2.4vw,26px)}
@media(max-width:820px){.mani-cols p+p{padding:2px 0 2px 16px}}
.light .more{color:var(--cyan-deep)}
.light .more:hover{color:var(--cyan-deep)}

/* 适用对象（深色区） */
.who{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
@media(max-width:760px){.who{grid-template-columns:1fr}}
.wo{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:24px 26px;border:1px solid var(--line-soft);border-radius:13px;background:var(--panel);font-size:17px;line-height:1.65}
.wo .no{font-family:"Space Grotesk",sans-serif;font-size:15px;font-weight:600;color:var(--cyan);padding-top:2px}
.wo strong{color:var(--cyan);font-weight:600}

.split .head-xl{font-size:clamp(24px,2.8vw,34px)}
.head-xl.wide{max-width:24em}
.hero h1 .sub{display:block;font-size:clamp(16px,1.7vw,19px);font-weight:400;letter-spacing:0;line-height:1.55;color:var(--ink-2);margin-top:14px;text-wrap:balance}
.hero.warm .h-tag{color:var(--amber);border-color:rgba(246,169,59,.35);background:rgba(246,169,59,.06)}
.hero.warm .h-tag .d{background:var(--amber)}

/* ---------- hardware / lab / services 页面组件 ---------- */
.hero h1{text-wrap:balance}

/* 产品实拍图位（img + 兜底示意） */
.photo{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:linear-gradient(160deg,var(--panel-2),var(--panel));box-shadow:0 34px 70px -36px rgba(13,26,44,.38)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo .fb{display:none;width:100%;padding:clamp(18px,3vw,32px)}
.photo.noimg img{display:none}
.photo.noimg .fb{display:block}
/* 宽版界面截图（产品页 Hero）：不固定比例，按图片原始宽高比展示 */
.photo.fit{aspect-ratio:auto}
.photo.fit img{height:auto}

/* 多台仪器 → 一台设备（浅色区） */
.merge{display:grid;grid-template-columns:1fr 44px 1fr;gap:12px;align-items:center;margin-top:36px}
.mg-l{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mg-l span{border:1px dashed var(--lt-ink-3);border-radius:8px;padding:14px 8px;text-align:center;font-size:13px;color:var(--lt-ink-3)}
.merge>i{font-style:normal;text-align:center;font-size:24px;color:var(--cyan-deep)}
.mg-r{border:1.5px solid var(--cyan-deep);background:var(--lt-panel);border-radius:12px;padding:24px 14px;text-align:center}
.mg-r b{display:block;font-family:"Space Grotesk",sans-serif;font-size:17px;color:var(--lt-ink)}
.mg-r small{display:block;margin-top:2px;font-size:12.5px;color:var(--lt-ink-3)}
.mg-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mg-tags span{font-size:13px;color:var(--cyan-deep);border:1px solid rgba(24,142,129,.35);border-radius:20px;padding:3px 13px}
@media(max-width:560px){.merge{grid-template-columns:1fr}.merge>i{transform:rotate(90deg)}}

/* 建设内容（浅色卡片四列） */
.kit{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
@media(max-width:1000px){.kit{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.kit{grid-template-columns:1fr}}
.kc{background:var(--lt-panel);border:1px solid var(--lt-line);border-radius:15px;padding:26px}
.kc .no{font-family:"Space Grotesk",sans-serif;font-size:15px;font-weight:700;color:var(--cyan-deep)}
.kc h3{font-size:19px;color:var(--lt-ink);margin:12px 0 10px}
.kc p{color:var(--lt-ink-2);font-size:14.5px}

/* 四列深色面板 */
.dx3.four{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.dx3.four{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.dx3.four{grid-template-columns:1fr}}

/* 全周期示意（services hero） */
.cyc{border:1px solid var(--line);border-radius:16px;padding:clamp(22px,3vw,34px);background:linear-gradient(160deg,var(--panel-2),var(--panel));box-shadow:0 34px 70px -36px rgba(13,26,44,.38)}
.cyc-grid{display:grid;grid-template-columns:1fr 34px 1fr;grid-template-rows:auto 34px auto;gap:6px;align-items:center;justify-items:center}
.cyc .nd{width:100%;border:1px solid var(--line);border-radius:11px;padding:20px 10px;text-align:center;background:var(--bg)}
.cyc .nd b{display:block;font-size:21px}
.cyc .nd small{display:block;margin-top:2px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;letter-spacing:.08em;color:var(--ink-3)}
.cyc .ar{color:var(--cyan);font-size:18px;line-height:1}
.cyc .cap-l{margin-top:22px;text-align:center;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;letter-spacing:.06em;color:var(--ink-3)}
@media(max-width:940px){.cyc{order:-1}}

/* 六项服务（复用首页 .svc，追加链接态）+ 行业标题层级 */
.svc h3 a{color:inherit}
.svc h3 a:hover{color:var(--cyan-deep)}
.svc .more-l{display:inline-block;margin-top:10px;font-size:14px;color:var(--cyan-deep)}
.svc .more-l:hover{text-decoration:underline;text-underline-offset:3px}
.ind h3{font-size:17px;margin-bottom:6px}
.pc .more{margin-top:18px;align-self:flex-start}

/* ---------- 白底主题：区块分隔与新增组件 ---------- */
section:not(.hero){border-top:1px solid var(--line-soft)}
.light,.flag,.cra,.contact{background:var(--bg)}
.cc{background:linear-gradient(150deg,var(--panel-2),var(--bg-2))}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.07em;color:var(--cyan);margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}
.eyebrow.warm{color:var(--amber)}

/* 首页重点服务：左文右图 */
.spot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center}
@media(max-width:860px){.spot-grid{grid-template-columns:1fr}.spot-grid .ui{order:-1}}
.spot h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.015em;margin-bottom:14px}
.spot .sub{font-size:clamp(17px,1.8vw,20px);font-weight:500;color:var(--ink);margin-bottom:14px;line-height:1.5}
.spot .lead-md{margin-bottom:26px}
.spot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.spot-tags span{font-size:13px;color:var(--ink-2);border:1px solid var(--line);border-radius:20px;padding:3px 13px;background:var(--panel)}
.spot ul{list-style:none;padding:0;margin:0 0 44px;display:grid;gap:14px}
.spot li{display:flex;gap:13px;font-size:15.5px}
.spot li svg{flex:0 0 auto;color:var(--cyan);margin-top:5px}
.spot-actions{display:flex;gap:13px;flex-wrap:wrap}
.cra-grid.rev>div:first-child{order:2}
@media(max-width:860px){.cra-grid.rev>div:first-child{order:0}}

/* services 页：重点服务两张大卡 */
.feat2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
@media(max-width:820px){.feat2{grid-template-columns:1fr}}
.f2{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;padding:clamp(26px,3.4vw,40px);background:var(--panel);transition:.2s}
.f2:hover{border-color:var(--cyan-deep);transform:translateY(-3px);box-shadow:0 22px 40px -28px rgba(13,26,44,.35)}
.f2 .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;letter-spacing:.07em;color:var(--cyan)}
.f2 h3{font-size:clamp(22px,2.4vw,28px);margin:12px 0 12px;letter-spacing:-.01em}
.f2 p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px}
.f2 .go{margin-top:auto;color:var(--cyan);font-size:15px;font-weight:600}
.f2.warm{border-color:rgba(194,123,18,.4);background:rgba(217,158,46,.07)}
.f2.warm .k,.f2.warm .go{color:var(--amber)}

/* pentest 页：我们能发现的问题 */
.tile3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
@media(max-width:860px){.tile3{grid-template-columns:1fr}}
.t3{border:1px solid var(--line);border-radius:15px;padding:28px;background:var(--panel)}
.t3 .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11.5px;letter-spacing:.07em;color:var(--cyan)}
.t3 b{display:block;font-size:19px;line-height:1.55;margin-top:12px}
.t3.zero .k{color:var(--red)}
.t3-links{display:flex;flex-wrap:wrap;gap:6px 26px}
.cc h2,.cra h2,.spot h2,.spot .sub{text-wrap:balance}
.dpg .lb{text-wrap:balance}

/* ---------- 图片位（图片缺失时整块自动隐藏） ---------- */
[hidden]{display:none!important}
.slot{display:block;width:100%;height:100%;object-fit:cover}
.banner-sec{padding:clamp(28px,4vw,48px) 0;border-top:0}
.banner{margin:0;position:relative;border-radius:18px;overflow:hidden;aspect-ratio:21/8;background:#0a1220;box-shadow:0 34px 70px -40px rgba(13,26,44,.45)}
.banner.in{margin-top:38px}
@media(max-width:700px){.banner{aspect-ratio:16/9;border-radius:14px}}
.hero-photo{margin:0;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#0a1220;border:1px solid var(--line);box-shadow:0 34px 70px -36px rgba(13,26,44,.38)}
@media(max-width:940px){.hero-photo{order:-1}}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
@media(max-width:700px){.duo{grid-template-columns:1fr}}
.duo-f{position:relative;margin:0;border-radius:15px;overflow:hidden;aspect-ratio:3/2;background:#0a1220}
.duo-f figcaption{position:absolute;left:0;right:0;bottom:0;padding:36px 20px 16px;color:#fff;font-size:15px;font-weight:600;background:linear-gradient(180deg,transparent,rgba(6,12,22,.78))}
.ind.has-media{display:block;padding:0;overflow:hidden}
.ind-media{aspect-ratio:16/7;overflow:hidden;background:#0a1220}
.ind-body{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:22px 26px;align-items:start}
.slot-wrap{min-width:0}
.pc.feat .pc-img{flex:1 1 auto;min-height:220px;margin:14px 0 8px;border-radius:12px;overflow:hidden;background:#0a1220}
.f2{overflow:hidden}
.f2-media{aspect-ratio:16/7;overflow:hidden;background:#0a1220;margin:calc(clamp(26px,3.4vw,40px)*-1) calc(clamp(26px,3.4vw,40px)*-1) 24px}


.banner img[src$="cra_export.jpg"]{object-position:center 24%}

/* ---------- 主菜单：点击展开的下拉 ---------- */
.dd{position:relative}
.dd-btn{background:none;border:0;padding:0;margin:0;font:inherit;font-size:14.5px;color:var(--ink-2);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:color .18s}
.dd-btn:hover,.dd.open .dd-btn{color:var(--ink)}
.dd-btn.key{color:var(--ink)}
.dd-btn svg{transition:transform .2s}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-btn.active{color:var(--ink);text-decoration:underline;text-decoration-color:var(--cyan);text-decoration-thickness:2px;text-underline-offset:9px}
.dd-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:3px}
.dd-menu{position:absolute;top:calc(100% + 20px);left:-18px;min-width:320px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 26px 50px -26px rgba(13,26,44,.38);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:70}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:none}
nav.links .dd-menu a{display:block;padding:12px 14px;border-radius:10px;transition:background .15s}
nav.links .dd-menu a:hover{background:var(--panel-2)}
.dd-menu a b{display:block;font-size:14.5px;font-weight:600;color:var(--ink)}
.dd-menu a span{display:block;font-size:12.5px;line-height:1.5;color:var(--ink-3);margin-top:2px}
.dd-menu a.active b{color:var(--cyan)}
@media(max-width:940px){
  nav.links{max-height:calc(100vh - 68px);overflow-y:auto}
  .dd-btn{width:100%;justify-content:space-between;padding:12px 4px;border-bottom:1px solid var(--line-soft);font-size:14.5px}
  .dd-btn.active{text-decoration:none}
  .dd-menu{position:static;min-width:0;opacity:1;visibility:visible;transform:none;display:none;border:0;border-radius:0;box-shadow:none;background:transparent;padding:0 0 4px 12px}
  .dd.open .dd-menu{display:block}
  nav.links .dd-menu a{padding:10px 4px;border-radius:0;border-bottom:1px solid var(--line-soft)}
  nav.links .dd-menu a:hover{background:transparent}
}


nav.links .dd-menu a.active{text-decoration:none;background:var(--panel-2)}
.pc-photo{aspect-ratio:16/11;background:#e9edf2}
.pc-photo img{width:100%;height:100%;object-fit:cover;object-position:center 42%}

/* ---------- 单行标题：字号随所在栏宽自适应，不换行 ---------- */
@supports (width:1cqw){
  .about-copy,.fit-box{container-type:inline-size}
  .fit-h{white-space:nowrap;max-width:none;text-wrap:nowrap}
  .about-copy .fit-h{font-size:clamp(16px,5.4cqw,40px)}
  .fit-box .fit-h{font-size:clamp(16px,6.8cqw,35px)}
  /* 栏宽极窄（约 ≤ 320px 屏幕）时字号已到下限 16px，此时才允许换行 */
  @container (max-width:285px){.about-copy .fit-h{white-space:normal;text-wrap:balance;font-size:22px}}
  @container (max-width:228px){.fit-box .fit-h{white-space:normal;text-wrap:balance;font-size:22px}}
}
/* 首页 hero 导语（首页标题没有 .sm）略小 */
.hero h1:not(.sm)~.hero-lead{font-size:15px;margin-top:24px}

/* ---------- 物联网安全实验箱图片 ---------- */
.box-pair{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:52px}
@media(max-width:700px){.box-pair{grid-template-columns:1fr}}
.box-f{margin:0;border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,var(--panel-2),#fff);padding:clamp(18px,3vw,36px);display:flex;justify-content:center;align-items:center}
.box-f .slot{width:100%;height:auto;max-height:640px;object-fit:contain}
.pc-box{background:linear-gradient(160deg,var(--panel-2),#fff)}
.pc-box img{object-position:center 90%}

/* ---------- 疏朗排版：拉大段落与区块间距 ---------- */
body{line-height:1.85}
section{padding:clamp(72px,9vw,132px) 0}
.hero{padding:clamp(60px,8vw,108px) 0 clamp(52px,7vw,96px)}
.slim{padding:clamp(52px,6vw,84px) 0}
.banner-sec{padding:clamp(36px,5vw,64px) 0}
.head-xl{margin-bottom:28px}
.lead-md{line-height:1.95}
.hero-lead{line-height:1.9;margin-top:24px;margin-bottom:38px}
.hero-actions{margin-bottom:46px}
.hero-strip{padding-top:28px}
.prose p+p{margin-top:28px}
.about-copy p{margin-bottom:26px;line-height:1.95}
.mani-cols p{line-height:1.95}
.dv-copy>p{margin-bottom:28px;line-height:1.9}
.ticks{gap:15px}
.spot .lead-md{margin-bottom:32px}
.spot-tags{margin-bottom:34px}
.spot ul{gap:16px;margin-bottom:50px}
.cra ul{gap:16px;margin-bottom:50px}
.cra .lead-md{margin-bottom:32px}
.cra h2{margin-bottom:22px}
.cc h2{margin-bottom:22px}
.cc .lead-md{margin-bottom:32px}

/* 列表行、卡片内部与网格间距 */
.cap{padding:38px 0}
.step{padding:22px 0}
.svc{padding:34px 0}
.svc p,.sv p,.u p,.pp p,.kc p,.dxp>p,.tier p{line-height:1.85}
.svc-wrap{margin-top:52px}
.sv{padding:34px 0}
.u{padding:32px 0}
.pp{padding:42px 0}
.lay{padding:36px 0}
.ind-wrap{gap:24px;margin-top:52px}
.ind-body{padding:26px 28px}
.dx3{gap:24px;margin-top:52px}
.tiers{gap:22px;margin-top:52px}
.kit{gap:22px;margin-top:52px}
.kc{padding:32px 28px}
.tile3{gap:24px;margin-top:52px}
.feat2{gap:24px;margin-top:52px}
.rel-wrap{gap:22px;margin-top:38px}
.who{gap:22px;margin-top:48px}
.creds{gap:22px}
.cred{padding:26px 28px}
.mani-cols{gap:clamp(28px,5vw,72px);margin-top:44px}
.dives{gap:clamp(72px,8vw,112px);margin-top:clamp(64px,8vw,104px)}
.pipe{margin-top:52px}
.lays{margin-top:52px}
.tl{margin-top:56px}
.dpg{margin-bottom:16px}
.split{gap:clamp(36px,6vw,92px)}

/* ---------- 大标题（h1 / h2）：字重稍细，颜色 #005bac ---------- */
:root{--brand:#005bac}
h1,h2,.head-xl,.light .head-xl,.cc h2,.cra h2,.spot h2{color:var(--brand);font-weight:500}

/* 联系卡片：两个二维码并排 */
.qr-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:4px}
.qr-item{display:flex;flex-direction:column;align-items:center;gap:10px}
.qr-item span{font-size:12.5px;color:var(--ink-3);text-align:center}

/* 首页产品矩阵：CastelFirm 做整行大卡片，界面截图铺满下方；硬件 / 实验箱两卡并排 */
.bento{grid-template-columns:1fr 1fr}
.pc.feat{grid-column:1/-1;grid-row:auto}
.pc.feat p{max-width:54em}
.pc.feat .shots{order:10;margin-top:30px}

/* ---------- 界面截图切换（点击标签切换；无 JS 时只显示第一张） ---------- */
.shots-tabs{display:none}
.shots.ready .shots-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.shots-tabs button{font:inherit;font-size:13px;line-height:1;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:100px;padding:8px 16px;cursor:pointer;transition:.18s}
.shots-tabs button:hover{border-color:var(--cyan-deep);color:var(--ink)}
.shots-tabs button[aria-selected="true"]{color:#fff;background:var(--cyan);border-color:var(--cyan)}
.shots-tabs button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.shots-stage{position:relative;aspect-ratio:1912/870;border-radius:14px;overflow:hidden;background:#0a1220;border:1px solid var(--line-soft);box-shadow:0 30px 60px -36px rgba(13,26,44,.45)}
.shot{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.shot.is-on{opacity:1;visibility:visible}
.shot img{display:block;width:100%;height:100%;object-fit:cover;object-position:center top}
@media(max-width:940px){.hero-grid .shots{order:-1}}
@media(prefers-reduced-motion:reduce){.shot{transition:none}}

/* 行业卡片：新的等距插画是 16:9 整幅，完整显示 */
.ind-media{aspect-ratio:16/9;background:#f4f8fc;border-bottom:1px solid var(--line-soft)}
.ind-media img{object-position:center}
.dx-shots{margin-top:40px}

/* 实验场景：左栏插画（竖版） */
.scene-img{margin:34px 0 0;border-radius:18px;overflow:hidden;aspect-ratio:1269/632;background:#f4f8fc;border:1px solid var(--line-soft)}

/* 合作模式：背景图放在 .wrap 内（与内容同宽，不再撑满整节），白色渐变罩层保证文字可读 */
.coop-bg .wrap{position:relative;background-size:cover;background-position:center;background-repeat:no-repeat}
.coop-bg .wrap::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.86) 50%,rgba(255,255,255,.55) 100%)}
.coop-bg .wrap>*{position:relative}
@media(max-width:860px){.coop-bg .wrap::before{background:rgba(255,255,255,.88)}}

/* ---------- 发展历程：竖向时间轴（关于我们页） ---------- */
.ms-track{margin-top:52px;max-width:44em}
.ms-item{position:relative;display:grid;grid-template-columns:64px 1fr;column-gap:24px;padding-bottom:44px}
.ms-item:last-child{padding-bottom:0}
.ms-item::before{content:"";position:absolute;left:19px;top:42px;bottom:2px;width:1px;background:var(--line-soft)}
.ms-item:last-child::before{display:none}
.ms-dot{grid-column:1;grid-row:1/3;width:40px;height:40px;border-radius:50%;border:2px solid var(--cyan);background:var(--bg);z-index:1;display:flex;align-items:center;justify-content:center}
.ms-dot::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--cyan)}
.ms-item.now .ms-dot{border-color:var(--amber-deep)}
.ms-item.now .ms-dot::after{background:var(--amber)}
.ms-year{grid-column:2;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:26px;color:var(--brand);line-height:40px;display:flex;align-items:center;gap:10px}
.ms-item.now .ms-year{color:var(--amber-deep)}
.ms-badge{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--amber-deep);border:1px solid var(--amber-deep);border-radius:20px;padding:2px 11px;background:rgba(217,158,46,.08)}
.ms-body{grid-column:2;margin-top:6px}
.ms-body p{color:var(--ink-2);font-size:15.5px;line-height:1.8}
.ms-body p+p{margin-top:4px}
@media(max-width:520px){
  .ms-item{grid-template-columns:34px 1fr;column-gap:16px}
  .ms-dot{width:26px;height:26px}
  .ms-dot::after{width:7px;height:7px}
  .ms-item::before{left:12px;top:30px}
  .ms-year{font-size:21px;line-height:26px}
}