:root{
  --bg0:#060a14;--bg1:#0b1120;--bg2:#0e1628;--card:#0f1a2e;
  --line:rgba(148,163,184,.13);--line2:rgba(148,163,184,.22);
  --text:#e8eef8;--muted:#9aa8bd;--dim:#66758c;
  --cyan:#38bdf8;--indigo:#818cf8;--green:#34d399;--teal:#22c1c3;--blue:#2f6bff;--amber:#fbbf24;
  --grad-text:linear-gradient(90deg,#5ccbff 0%,#8b93ff 55%,#4ade80 100%);
  --grad-btn:linear-gradient(135deg,#0e8fe0 0%,#5b5ef0 100%);
  --grad-agent:linear-gradient(135deg,#2f6bff 0%,#22c1c3 100%);
  --shadow:0 24px 60px -24px rgba(0,0,0,.75);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Arial,sans-serif;
  --mono:"JetBrains Mono",SFMono-Regular,Consolas,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
/* 滚动条与原生控件跟随主题：深色页面不再出现白色系统滚动条 */
:root{color-scheme:dark}
html{background:var(--bg1);scrollbar-color:rgba(148,163,184,.34) var(--bg1)}
*{scrollbar-width:thin;scrollbar-color:rgba(148,163,184,.3) transparent}
html{scrollbar-width:auto}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track,::-webkit-scrollbar-corner{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(148,163,184,.3);border-radius:10px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(148,163,184,.5);border:2px solid transparent;background-clip:padding-box}
html[data-theme=light]{color-scheme:light;background:#fff;scrollbar-color:rgba(15,23,42,.24) #fff}
html[data-theme=light] *{scrollbar-color:rgba(15,23,42,.2) transparent}
html[data-theme=light] ::-webkit-scrollbar-thumb{background:rgba(15,23,42,.2);border:2px solid transparent;background-clip:padding-box}
html[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:rgba(15,23,42,.36);border:2px solid transparent;background-clip:padding-box}
body{background:var(--bg1);color:var(--text);font:15px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit;color:inherit}
.i{width:18px;height:18px;flex:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
code{font:13px var(--mono);background:rgba(56,189,248,.1);color:#bae6fd;padding:1px 6px;border-radius:5px}

/* ---------- announcement + header ---------- */
.annc{position:relative;background:linear-gradient(90deg,rgba(47,107,255,.28),rgba(34,193,195,.2));border-bottom:1px solid var(--line);font-size:13px;text-align:center;padding:8px 44px;color:#dbeafe}
.annc a{color:#fff;font-weight:600;margin-left:6px}
.annc button{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:#c7d2e3;cursor:pointer;display:grid}
.annc-off .annc{display:none}
.annc-new{display:inline-block;font-style:normal;font-size:11px;font-weight:700;line-height:1;padding:3px 6px;margin-right:8px;border-radius:5px;border:1px solid rgba(56,189,248,.35);background:rgba(56,189,248,.12);color:#7dd3fc;vertical-align:1px}
/* 低调细条：与页头同色，只有一行小字 */
.annc-subtle{background:rgba(8,13,25,.92);border-bottom:1px solid var(--line);color:var(--muted);font-size:12.5px;padding:5px 40px}
.annc-subtle a{color:#7dd3fc;font-weight:500}
.annc-subtle button{color:var(--dim)}
.annc-subtle button .i{width:14px;height:14px}
/* 角落提示卡：不占页面顶部，几秒后从左下角浮出，可关闭 */
.annc-corner{position:fixed;left:20px;bottom:24px;z-index:70;max-width:340px;text-align:left;padding:14px 40px 14px 16px;border-radius:14px;border:1px solid var(--line2);background:#0e1628;color:#cbd5e1;box-shadow:var(--shadow);font-size:13px;line-height:1.6;animation:anncIn .45s ease 2.5s both}
.annc-corner .annc-t{display:block}
.annc-corner a{display:inline-block;margin:6px 0 0;color:#7dd3fc}
.annc-corner button{top:12px;transform:none;right:10px;color:var(--dim)}
.annc-corner button .i{width:15px;height:15px}
@keyframes anncIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
/* 标题小点：Logo 标题右上角的小圆点，点开查看公告；未读时闪烁，看过后变成安静的小点 */
.annc-dw{position:relative;align-self:flex-start;flex:none;margin:13px 0 0 -20px}
.annc-off .annc-dw{display:none}
.annc-dot{position:relative;display:grid;place-items:center;width:20px;height:20px;padding:0;border:0;border-radius:50%;background:none;cursor:pointer}
.annc-dot i,.annc-dot::before{width:8px;height:8px;border-radius:50%;background:#f43f5e}
.annc-dot i{position:relative;box-shadow:0 0 0 2px #0b1222}
.annc-dot::before{content:"";position:absolute;animation:anncPing 1.8s cubic-bezier(0,0,.2,1) infinite}
.annc-dot:hover i{transform:scale(1.2)}
.annc-dot:focus-visible{outline:2px solid #38bdf8;outline-offset:1px}
.annc-seen .annc-dot::before{display:none}
.annc-seen .annc-dot i{background:#38bdf8;width:7px;height:7px}
@keyframes anncPing{75%,100%{transform:scale(2.8);opacity:0}}
.annc-pop{position:absolute;top:28px;left:-150px;z-index:60;width:320px;padding:14px 40px 14px 16px;border-radius:14px;border:1px solid var(--line2);background:#0e1628;color:#cbd5e1;box-shadow:var(--shadow);font-size:13px;line-height:1.65;text-align:left;animation:anncPop .18s ease}
.annc-pop[hidden]{display:none}
.annc-pop-h{display:flex;align-items:center;font-size:13.5px;color:#f1f5f9;margin-bottom:4px}
.annc-pop p{margin:0}
.annc-pop a{display:inline-block;margin-top:8px;color:#7dd3fc;font-weight:600}
.annc-pop button{position:absolute;top:10px;right:8px;display:grid;padding:2px;border:0;background:none;color:var(--dim);cursor:pointer}
.annc-pop button .i{width:15px;height:15px}
.annc-pop button:hover{color:var(--text)}
@keyframes anncPop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@media (max-width:640px){.annc-corner{left:12px;right:84px;bottom:18px;max-width:none}.annc-subtle{padding:5px 34px 5px 12px;text-align:left}.annc-pop{position:fixed;top:64px;left:12px;right:12px;width:auto}}
@media (prefers-reduced-motion:reduce){.annc-corner,.annc-pop,.annc-dot::before{animation:none}}
.hdr{position:sticky;top:0;z-index:50;background:rgba(8,13,25,.74);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;height:64px;gap:24px}
/* 深色页头：比页面底色略亮的藏青，带一点蓝紫色调与底部渐变细线，不再是一条黑带（浅色主题见 manual.css） */
html:not([data-theme=light]) .hdr{background:linear-gradient(90deg,rgba(56,189,248,.08),rgba(99,102,241,.065) 50%,rgba(45,212,191,.055)),rgba(15,26,50,.8);border-bottom-color:rgba(148,197,255,.1);box-shadow:0 14px 34px -26px rgba(0,0,0,.75)}
html:not([data-theme=light]) .hdr::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.38) 25%,rgba(129,140,248,.32) 60%,rgba(45,212,191,.25) 80%,transparent);pointer-events:none}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.5px;flex:none}
.brand img{width:30px;height:30px}
.brand small{font-weight:600;color:var(--muted);font-size:11.5px;letter-spacing:1.5px;margin-top:2px}
.nav{display:flex;gap:2px;flex:1;list-style:none}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;gap:3px;padding:8px 11px;border-radius:8px;color:#c7d2e3;font-size:14.5px;white-space:nowrap}
.nav>li>a:hover,.nav>li:focus-within>a{color:#fff;background:rgba(148,163,184,.08)}
.nav .i{width:14px;height:14px;opacity:.7}
.mega{position:absolute;top:100%;left:-16px;padding-top:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease}
.nav>li:hover .mega,.nav>li:focus-within .mega{opacity:1;visibility:visible;transform:none}
/* 按 Esc 收起：焦点仍在菜单项上时也不展开，鼠标离开或焦点移走后恢复 */
.nav>li.mega-x .mega{opacity:0;visibility:hidden;transform:translateY(6px);transition:none}
.mega-in{background:#0c1426;border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);padding:10px}
.mega-grid{display:grid;grid-template-columns:repeat(2,290px);gap:2px}
.mi{display:flex;gap:12px;padding:12px;border-radius:12px}
.mi:hover{background:rgba(56,189,248,.07)}
.mi b{display:flex;align-items:center;gap:6px;font-size:14px;color:#fff}
.mi span{font-size:12.5px;color:var(--muted);line-height:1.5}
.mega-foot{display:flex;gap:18px;border-top:1px solid var(--line);margin-top:8px;padding:10px 12px 4px;font-size:12.5px;color:var(--muted)}
.mega-foot a:hover,.mega-list a:hover{color:#7dd3fc}
.mega-list{display:grid;gap:2px;min-width:250px;font-size:14px}
.mega-list a{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-radius:8px;color:#d6deea}
.mega-list a:hover{background:rgba(56,189,248,.07)}
.mega-list h6{font-size:11.5px;color:var(--dim);font-weight:600;letter-spacing:1px;padding:10px 12px 4px}
.ext{width:12px!important;height:12px!important;opacity:.55}
.new{font:700 10px/1 var(--font);color:#fff;background:var(--grad-agent);padding:3px 6px;border-radius:999px;letter-spacing:.5px}
.pi{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:none;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.22);color:#7dd3fc}
.pi.ag{background:rgba(47,107,255,.14);border-color:rgba(34,193,195,.35);color:#5eead4}
.pi.in{background:rgba(129,140,248,.12);border-color:rgba(129,140,248,.3);color:#a5b4fc}
.pi.gr{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.28);color:#6ee7b7}
.hdr-act{display:flex;align-items:center;gap:10px;flex:none}
.sbtn{display:flex;align-items:center;gap:8px;height:36px;padding:0 8px 0 12px;border:1px solid var(--line2);border-radius:10px;background:rgba(15,23,42,.6);color:var(--dim);font-size:13px;width:232px;cursor:pointer;transition:border-color .15s;white-space:nowrap}
.kbd{white-space:nowrap}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
.sbtn:hover{border-color:rgba(56,189,248,.45)}
.kbd{margin-left:auto;font:11px/1.4 var(--mono);border:1px solid var(--line2);border-radius:5px;padding:1px 6px;color:var(--muted);background:rgba(255,255,255,.03)}
.menu-btn{display:none;background:none;border:0;cursor:pointer;color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:42px;padding:0 20px;border-radius:11px;font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;white-space:nowrap}
.btn-p{background:var(--grad-btn);color:#fff;box-shadow:0 10px 26px -10px rgba(56,189,248,.7)}
.btn-p:hover{transform:translateY(-1px);box-shadow:0 14px 32px -10px rgba(129,140,248,.75)}
.btn-o{border-color:rgba(56,189,248,.42);color:#7dd3fc;background:rgba(56,189,248,.06)}
.btn-o:hover{background:rgba(56,189,248,.12)}
.btn-g{color:#c7d2e3;padding:0 10px}
.btn-g:hover{color:#fff}
.btn-sm{height:34px;padding:0 14px;font-size:13.5px;border-radius:9px}
.btn-ag{background:var(--grad-agent);color:#fff;box-shadow:0 10px 26px -10px rgba(34,193,195,.7)}

/* ---------- hero ---------- */
.hero{position:relative;padding:76px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-30% -10% 0;background:radial-gradient(560px 380px at 15% 22%,rgba(56,189,248,.16),transparent 62%),radial-gradient(680px 460px at 82% 30%,rgba(129,140,248,.17),transparent 62%),radial-gradient(500px 300px at 60% 95%,rgba(34,193,195,.08),transparent 60%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 75%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:999px;border:1px solid rgba(34,193,195,.35);background:rgba(34,193,195,.08);font-size:13px;color:#ccfbf1;transition:border-color .15s}
.pill:hover{border-color:rgba(34,193,195,.7)}
.pill .new{padding:4px 8px;font-size:11px}
.pill .i{width:14px;height:14px}
.brandline{margin-top:22px;font-size:14px;color:#7dd3fc;letter-spacing:1px;font-weight:600}
h1.h{font-size:clamp(28px,3.6vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.5px;margin:10px 0 18px}
h1.h .gt{white-space:nowrap}
html[lang=en] h1.h .gt{white-space:normal}
html[lang=en] .p-hero h1{font-size:clamp(28px,3.3vw,44px)}
.hero-grid>*,.bento>*,.ai-grid>*,.works>*,.vids>*,.panel>*{min-width:0}
.gt{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:16.5px;color:var(--muted);max-width:560px}
.ask{margin:28px 0 12px;display:flex;align-items:center;gap:10px;padding:7px 7px 7px 16px;border-radius:14px;background:rgba(9,15,29,.85);border:1px solid rgba(129,140,248,.38);box-shadow:0 0 0 4px rgba(129,140,248,.06),0 22px 44px -22px rgba(56,189,248,.45);max-width:580px;transition:border-color .15s,box-shadow .15s}
.ask:focus-within{border-color:rgba(129,140,248,.8);box-shadow:0 0 0 4px rgba(129,140,248,.14),0 22px 44px -22px rgba(56,189,248,.55)}
.ask .spark{color:#a5b4fc}
.ask input{flex:1;background:none;border:0;outline:0;color:#fff;font-size:15px;min-width:0}
.ask input::placeholder{color:#7b8aa3}
.chips{display:flex;flex-wrap:wrap;gap:8px;max-width:580px}
.chip{font-size:12.5px;color:#b4bffd;border:1px solid rgba(129,140,248,.24);border-radius:999px;padding:4px 11px;cursor:pointer;background:rgba(129,140,248,.06);transition:.15s}
.chip:hover{border-color:rgba(129,140,248,.6);color:#fff}
.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;align-items:center}
.trust{margin-top:24px;font-size:12.5px;color:var(--dim);display:flex;gap:18px;flex-wrap:wrap}
.trust span{display:flex;align-items:center;gap:6px}
.trust .i{width:14px;height:14px;color:var(--green)}

/* hero visual */
.vis{position:relative}
.win{position:relative;border-radius:16px;border:1px solid var(--line2);background:linear-gradient(180deg,#0c1529,#070e1d);box-shadow:0 50px 90px -40px rgba(0,0,0,.9),inset 0 0 0 1px rgba(56,189,248,.06);overflow:hidden}
.win-bar{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.dot{width:10px;height:10px;border-radius:50%;background:#26324a}
.win-tabs{margin-left:14px;display:flex;gap:4px}
.wt{font-size:12px;padding:3px 10px;border-radius:6px;color:var(--dim)}
.wt.on{background:rgba(56,189,248,.12);color:#7dd3fc}
.win-url{margin-left:auto;font:11px var(--mono);color:var(--dim)}
.win svg{display:block;width:100%;height:auto}
.plan path,.plan rect,.plan line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.2s cubic-bezier(.6,.1,.3,1) forwards}
.plan .d2{animation-delay:.5s}.plan .d3{animation-delay:.9s}
@keyframes draw{to{stroke-dashoffset:0}}
.rooms rect{opacity:0;animation:fade .6s ease forwards}
.rooms text{opacity:0;animation:fade .6s ease forwards}
@keyframes fade{to{opacity:1}}
.sel{opacity:0;animation:fade .4s ease 1.9s forwards}
.pulse{transform-box:fill-box;transform-origin:center;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.6);opacity:0}}
.float{position:absolute;border-radius:12px;background:rgba(10,18,36,.86);border:1px solid var(--line2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 18px 40px -16px rgba(0,0,0,.8);font-size:12.5px;animation:bob 6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-6px)}}
.f1{bottom:58px;left:-28px;padding:10px 14px;display:flex;gap:10px;align-items:center}
.f1 b{display:block;font-size:13px}
.f1 span{color:var(--muted);font-size:11.5px}
.f1 .ok{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:rgba(52,211,153,.14);color:var(--green)}
.f2{right:-22px;bottom:-26px;width:260px;padding:12px 14px;animation-delay:-3s}
.f2 .ah{display:flex;align-items:center;gap:6px;color:#a5b4fc;font-weight:700;font-size:12px;margin-bottom:8px}
.f2 .q{background:rgba(129,140,248,.14);border-radius:9px 9px 2px 9px;padding:6px 9px;margin-left:24px;color:#e0e7ff}
.f2 .r{margin-top:8px;color:#cbd5e1;line-height:1.55}
.f2 .r b{color:var(--green)}
.bars{display:flex;align-items:flex-end;gap:4px;height:30px;margin-top:8px}
.bars i{flex:1;border-radius:3px 3px 0 0;background:linear-gradient(180deg,#38bdf8,rgba(56,189,248,.2))}
.f3{top:46%;right:-26px;padding:4px;display:flex;gap:2px;animation-delay:-1.5s}
.f3 span{padding:4px 10px;border-radius:8px;color:var(--dim);font-weight:600}
.f3 .on{background:var(--grad-btn);color:#fff}

/* stats */
.stats{display:grid;grid-template-columns:repeat(5,1fr);margin-top:64px;border:1px solid var(--line);border-radius:16px;background:rgba(14,22,40,.6);backdrop-filter:blur(6px)}
.stat{padding:20px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:30px;line-height:1.2;font-weight:800;background:linear-gradient(180deg,#fff,#a9c4e8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:13px}

/* ---------- sections ---------- */
.sec{position:relative;padding:100px 0}
.sec.alt{background:linear-gradient(180deg,var(--bg0),#081022 50%,var(--bg0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{text-align:center;max-width:880px;margin:0 auto 52px}
.eyebrow{display:inline-block;font:600 12px/1 var(--mono);letter-spacing:2.5px;color:var(--cyan);text-transform:uppercase}
.sec-h h2{font-size:36px;line-height:1.28;margin:14px 0 12px;letter-spacing:-.3px}
.sec-h p{color:var(--muted);font-size:16px}
.more{display:inline-flex;align-items:center;gap:6px;color:#7dd3fc;font-size:14px;font-weight:600}
.more:hover{gap:9px}
.more .i{width:15px;height:15px;transition:.15s}

/* bento products */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{position:relative;border-radius:18px;background:linear-gradient(180deg,rgba(17,28,50,.92),rgba(11,18,34,.92));border:1px solid var(--line);padding:28px;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.card:hover{border-color:rgba(56,189,248,.36);transform:translateY(-3px);box-shadow:0 30px 60px -30px rgba(56,189,248,.35)}
.c7{grid-column:span 7}.c5{grid-column:span 5}.c4{grid-column:span 4}.c12{grid-column:span 12}.c6{grid-column:span 6}
.card h3{font-size:21px;line-height:1.35;margin:16px 0 6px;display:flex;align-items:center;gap:8px}
.card .sub{color:var(--muted);font-size:14px}
.ul{list-style:none;margin:16px 0 24px;display:grid;gap:8px}
.ul li{position:relative;padding-left:18px;font-size:14px;color:#c8d3e4;line-height:1.55}
.ul li::before{content:"";position:absolute;left:1px;top:.6em;width:6px;height:6px;border-radius:2px;background:var(--cyan);box-shadow:0 0 8px rgba(56,189,248,.8)}
.acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;align-items:center}
.thumb{margin:-28px -28px 4px;aspect-ratio:16/8.6;overflow:hidden;border-bottom:1px solid var(--line);background:#081020;position:relative}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.thumb::after{content:"";position:absolute;inset:auto 0 0;height:50%;background:linear-gradient(transparent,rgba(11,18,34,.95))}
.card:hover .thumb img{transform:scale(1.04)}
.thumb+.pi{position:relative;z-index:1;margin-top:-30px}
.card.agent{border:1px solid transparent;background:linear-gradient(180deg,#0f1c38,#0a1328) padding-box,linear-gradient(135deg,rgba(47,107,255,.95),rgba(34,193,195,.75) 45%,rgba(129,140,248,.45)) border-box}
.card.agent::before{content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;background:radial-gradient(circle,rgba(34,193,195,.22),transparent 65%);pointer-events:none}
.agent-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;height:100%}
.agent-grid>div:first-child{display:flex;flex-direction:column}
.agent .ul li::before{background:var(--teal);box-shadow:0 0 8px rgba(34,193,195,.9)}
.demo{position:relative;align-self:center}
.demo .prompt{position:relative;z-index:2;background:rgba(15,28,56,.95);border:1px solid rgba(34,193,195,.4);border-radius:12px 12px 12px 4px;padding:10px 12px;font-size:13px;color:#e0f2fe;box-shadow:0 14px 30px -14px rgba(0,0,0,.8);margin-right:22px}
.demo .prompt small{display:block;color:#5eead4;font-size:11px;margin-bottom:3px;font-weight:600}
.demo .shot{margin:-6px 0 0 22px;border-radius:12px;overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow);position:relative}
.demo .shot span{position:absolute;right:8px;bottom:8px;font-size:11px;background:rgba(6,10,20,.75);padding:2px 8px;border-radius:6px;color:#99f6e4}
.svc{flex-direction:row;align-items:center;gap:28px;padding:24px 28px}
.svc h3{margin:0 0 4px}
.svc .sub{max-width:640px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tg{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line2);color:#b8c4d6;background:rgba(255,255,255,.02)}
.sublink{margin-top:12px;font-size:13px;color:var(--muted)}
.sublink a{color:#7dd3fc}

/* works */
.works{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.work{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--card);transition:.2s;display:flex;flex-direction:column}
.work:hover{border-color:rgba(34,193,195,.45);transform:translateY(-3px)}
.cv{aspect-ratio:4/3;overflow:hidden;background:#0a1222}
.cv img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.work:hover .cv img{transform:scale(1.05)}
.work .meta{padding:12px 14px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.work b{font-size:14.5px}
.work q{font-size:12.5px;color:var(--muted);quotes:"“" "”";display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.work .same{margin-top:auto;padding-top:6px;font-size:12px;color:#5eead4;display:flex;align-items:center;gap:4px}
.work .same .i{width:13px;height:13px}
.center{text-align:center;margin-top:36px}

/* capabilities */
.tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:40px}
.tab{padding:9px 18px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);font-size:14px;cursor:pointer;background:transparent;transition:.15s}
.tab:hover{color:#fff}
.tab[aria-selected=true]{background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.55);color:#e0f2fe}
.panel{display:grid;grid-template-columns:.88fr 1.12fr;gap:56px;align-items:center}
.panel[hidden]{display:none}
.panel h3{font-size:28px;line-height:1.3;margin:12px 0 10px}
.panel p{color:var(--muted)}
.checks{list-style:none;margin:22px 0 28px;display:grid;gap:12px}
.checks li{display:flex;gap:10px;color:#d3dceb;font-size:14.5px}
.checks .i{color:var(--green);margin-top:3px;width:17px;height:17px}
.frame{border-radius:14px;border:1px solid var(--line2);overflow:hidden;background:#081020;box-shadow:var(--shadow)}
.frame .bar{height:30px;display:flex;align-items:center;gap:5px;padding:0 12px;border-bottom:1px solid var(--line)}
.frame .bar .dot{width:8px;height:8px}
.frame .bar em{margin-left:10px;font:11px var(--mono);color:var(--dim);font-style:normal}
.frame img{width:100%;aspect-ratio:3/2;object-fit:cover;background:#0a1222}

/* AI dev */
.ai-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.ai-chat{grid-row:span 2}
.msg{border-radius:12px;padding:10px 13px;font-size:13.5px;line-height:1.65}
.msg.u{background:rgba(129,140,248,.14);margin-left:auto;max-width:80%;border-radius:12px 12px 3px 12px;color:#e0e7ff}
.msg.a{background:rgba(255,255,255,.025);border:1px solid var(--line);margin-top:12px}
.stp{display:flex;align-items:center;gap:6px;font-size:12px;color:#86efac;margin-bottom:8px}
.stp .i{width:14px;height:14px}
sup{color:#7dd3fc;font-size:11px;margin-left:1px;cursor:pointer}
.code{margin-top:10px;border-radius:10px;border:1px solid var(--line2);background:#060c18;overflow:hidden}
.code-h{display:flex;align-items:center;gap:10px;padding:6px 10px;border-bottom:1px solid var(--line);font-size:11.5px;color:var(--dim)}
.code-h .ok{display:flex;align-items:center;gap:4px;color:#86efac}
.code-h .ok .i{width:13px;height:13px}
.run{margin-left:auto;border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.08);color:#6ee7b7;border-radius:6px;padding:2px 9px;font-size:11.5px;cursor:pointer}
pre{font:12px/1.7 var(--mono);color:#cbd5e1;padding:10px 12px;overflow-x:auto;white-space:pre}
.k{color:#c4b5fd}.s{color:#86efac}.f{color:#7dd3fc}.c{color:#64748b}
.refs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.refs a{font-size:12px;padding:3px 9px;border-radius:7px;border:1px solid var(--line2);color:#b8c4d6;background:rgba(255,255,255,.02)}
.refs a:hover{border-color:rgba(56,189,248,.5);color:#e0f2fe}
.mcp{display:grid;grid-template-columns:minmax(0,1fr);gap:8px;margin:16px 0 4px}
.mrow{display:flex;align-items:center;gap:10px;padding:9px 10px 9px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(6,12,24,.6)}
.mrow b{font-size:13px;white-space:nowrap;width:86px;flex:none}
.mrow code{background:none;padding:0;color:#94a3b8;font-size:11.5px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cp{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;border:1px solid var(--line2);background:transparent;color:var(--muted);cursor:pointer;flex:none;font-size:11px}
.cp:hover{color:#fff;border-color:rgba(56,189,248,.5)}
.cp .i{width:14px;height:14px}
.skills{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.skills span{font:12px var(--mono);padding:4px 10px;border-radius:7px;background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.25);color:#a7f3d0}
.term{border-radius:10px;background:#060c18;border:1px solid var(--line2);padding:10px 12px;font:12px/1.7 var(--mono);color:#cbd5e1;margin-bottom:18px;overflow-x:auto;white-space:nowrap}
.term .c{color:#64748b}
.mini{display:flex;flex-direction:column;gap:10px}
.mini h4{display:flex;align-items:center;gap:10px;font-size:16px}
.mini p{color:var(--muted);font-size:13.5px}
.mini .term{margin:4px 0 0}

/* videos */
.vids{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vid{display:flex;flex-direction:column;gap:10px}
.vc{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;border:1px solid var(--line2);cursor:pointer;background:#0a1222}
.vc img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.vc:hover img{transform:scale(1.05)}
.vc::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(3,7,15,.75))}
.play{position:absolute;inset:0;display:grid;place-items:center;z-index:1}
.play i{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.4);transition:.2s;color:#fff}
.vc:hover .play i{background:var(--grad-btn);border-color:transparent;transform:scale(1.08)}
.play .i{width:20px;height:20px;margin-left:3px}
.src{position:absolute;top:10px;left:10px;z-index:1;font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;background:rgba(0,0,0,.55);color:#fff}
.src.bili{background:#fb7299}
.dur{position:absolute;bottom:10px;right:10px;z-index:1;font:11.5px var(--mono);background:rgba(0,0,0,.6);padding:2px 7px;border-radius:5px;color:#fff}
.vid b{font-size:14.5px;line-height:1.5}
.vid small{color:var(--dim);font-size:12.5px}
.vph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;font-size:13px;color:#cbd5e1;background:#050a14;padding:16px;z-index:2}
.vph small{color:var(--dim)}

/* industries & deploy */
.inds{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ind{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;border:1px solid var(--line);background:rgba(14,22,40,.55);transition:.2s}
.ind:hover{border-color:rgba(56,189,248,.35);background:rgba(56,189,248,.05)}
.ind b{font-size:15px}
.ind small{display:block;color:var(--dim);font-size:12px}
.dep{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.dep .card{padding:26px}
.dep h4{font-size:17px;margin:14px 0 6px}
.dep p{color:var(--muted);font-size:14px}

/* news */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{padding:22px;border-radius:16px;border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;gap:10px;transition:.2s}
.post:hover{border-color:rgba(56,189,248,.36)}
.post .tg{align-self:flex-start;color:#7dd3fc;border-color:rgba(56,189,248,.3)}
.post b{font-size:16px;line-height:1.5}
.post p{color:var(--muted);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* about + cta */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.about .card{padding:34px}
.about h3{font-size:24px;margin:10px 0 14px}
.about p{color:#c3cede;font-size:14.5px;line-height:1.85}
.vals{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px}
.val{text-align:center;padding:14px 6px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:13px;color:#d3dceb}
.val .i{width:22px;height:22px;color:#7dd3fc;margin:0 auto 6px;display:block}
.cta-card{background:radial-gradient(400px 260px at 100% 0,rgba(129,140,248,.25),transparent 70%),radial-gradient(400px 260px at 0 100%,rgba(56,189,248,.2),transparent 70%),linear-gradient(180deg,#101c38,#0b1428)!important}
.qrs{display:flex;gap:18px;margin-top:22px}
.qr{text-align:center;font-size:12px;color:var(--muted)}
.qr img{width:104px;height:104px;border-radius:10px;background:#fff;padding:6px;margin-bottom:6px}
.contact{display:grid;gap:8px;margin-top:20px;font-size:13.5px;color:#c3cede}
.contact div{display:flex;align-items:center;gap:8px}
.contact .i{width:16px;height:16px;color:#7dd3fc}

/* footer */
.foot{border-top:1px solid var(--line);background:var(--bg0);padding:64px 0 28px;font-size:13.5px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px}
.foot h5{color:#e2e8f0;font-size:14px;margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:9px}
.foot a:hover{color:#7dd3fc}
.foot .brand{margin-bottom:14px;color:#fff}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--dim)}
.foot-bottom a:hover{color:var(--muted)}

/* floating AI + drawer + search */
.fab{position:fixed;right:24px;bottom:24px;z-index:60;height:50px;padding:0 20px 0 16px;border-radius:999px;background:var(--grad-btn);color:#fff;font-weight:700;font-size:14.5px;box-shadow:0 16px 36px -12px rgba(91,94,240,.8);display:flex;align-items:center;gap:8px;border:0;cursor:pointer;transition:transform .15s}
.fab:hover{transform:translateY(-2px)}
.scrim{position:fixed;inset:0;background:rgba(2,6,15,.55);z-index:70;opacity:0;visibility:hidden;transition:.2s}
.scrim.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:460px;max-width:100%;z-index:80;background:#0a1222;border-left:1px solid var(--line2);transform:translateX(102%);transition:transform .28s cubic-bezier(.3,.7,.2,1),visibility .28s;visibility:hidden;display:flex;flex-direction:column}
.drawer.open{transform:none;visibility:visible;box-shadow:-30px 0 60px -20px rgba(0,0,0,.7)}
.dr-h{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.dr-h b{font-size:15px}
.beta{font-size:10.5px;padding:1px 6px;border-radius:5px;border:1px solid rgba(129,140,248,.4);color:#a5b4fc}
.scope{margin-left:auto;background:#0f1a2e;border:1px solid var(--line2);border-radius:8px;padding:5px 8px;font-size:12.5px;color:#cbd5e1}
.ib{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;border:0;background:transparent;color:var(--muted);cursor:pointer}
.ib:hover{background:rgba(255,255,255,.06);color:#fff}
.lang-sw{font-size:12px;font-weight:700;letter-spacing:.3px;text-decoration:none}
@media (max-width:640px){.lang-sw{display:none}html[lang=en] .acct .login{display:none}}
.dr-log{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:12px}
.dr-log .msg.a{margin-top:0}
.fb{display:flex;gap:6px;margin-top:10px}
.fb button{font-size:12px;padding:3px 9px;border-radius:7px;border:1px solid var(--line);background:transparent;color:var(--dim);cursor:pointer}
.fb button:hover{color:#fff}
.sugg{display:flex;flex-direction:column;gap:6px}
.sugg button{text-align:left;font-size:12.5px;padding:7px 10px;border-radius:9px;border:1px dashed var(--line2);background:transparent;color:#b4bffd;cursor:pointer}
.dr-in{display:flex;gap:8px;padding:12px 16px 6px;border-top:1px solid var(--line)}
.dr-in input{flex:1;background:#0f1a2e;border:1px solid var(--line2);border-radius:10px;padding:10px 12px;outline:0;font-size:14px}
.dr-in input:focus{border-color:rgba(129,140,248,.7)}
.dr-in button{width:42px;border-radius:10px;border:0;background:var(--grad-btn);color:#fff;cursor:pointer;display:grid;place-items:center}
.imfab{position:fixed;right:30px;bottom:86px;z-index:60;width:38px;height:38px;border-radius:50%;border:1px solid var(--line2);background:rgba(15,26,46,.9);color:#cbd5e1;display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 24px -10px rgba(0,0,0,.6);transition:transform .15s,color .15s,border-color .15s}
.imfab:hover{color:#fff;border-color:rgba(129,140,248,.6);transform:translateY(-1px)}
.imfab .i{width:18px;height:18px}
.imfab-dot{position:absolute;top:0;right:0;width:10px;height:10px;border-radius:50%;background:#f43f5e;border:2px solid #0b1120}
.imfab-dot[hidden]{display:none}
.im{position:fixed;right:24px;bottom:24px;z-index:85;width:370px;height:min(560px,calc(100vh - 48px));display:flex;flex-direction:column;background:#0b1424;border:1px solid var(--line2);border-radius:16px;box-shadow:0 30px 70px -20px rgba(0,0,0,.75);overflow:hidden;opacity:0;transform:translateY(12px) scale(.98);transform-origin:bottom right;transition:opacity .18s,transform .18s}
.im[hidden]{display:none}
.im.on{opacity:1;transform:none}
.im-h{display:flex;align-items:center;gap:10px;padding:12px 10px 12px 14px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(47,107,255,.16),rgba(34,193,195,.06))}
.im-av{width:34px;height:34px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--grad-btn);color:#fff}
.im-av .i{width:17px;height:17px}
.im-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.4}
.im-t b{font-size:14.5px}
.im-t small{font-size:11.5px;color:var(--muted)}
.im-log{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;overscroll-behavior:contain}
.im-log>*{flex-shrink:0}
.im-msg{max-width:84%;padding:8px 12px;border-radius:12px;font-size:13.5px;line-height:1.6;overflow-wrap:anywhere}
.im-msg.them{align-self:flex-start;background:#111c31;border:1px solid var(--line);border-top-left-radius:4px;color:#dbe4f0}
.im-msg.me{align-self:flex-end;background:linear-gradient(135deg,#3b6cff,#5b5ef0);color:#fff;border-top-right-radius:4px}
.im-msg a{color:#93c5fd;text-decoration:underline}
.im-msg.me a{color:#fff}
.im-msg.card{display:flex;flex-direction:column;gap:8px}
.im-msg.card p{margin:0}
.im-msg.card img{width:150px;height:150px;align-self:center;border-radius:8px;background:#fff;padding:6px}
.im-msg.card small{align-self:center;margin-top:-4px;font-size:11.5px;color:var(--muted)}
.im-mail{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;border:1px solid var(--line2);font-size:12.5px;text-decoration:none!important}
.im-mail .i{width:14px;height:14px}
.im-time{align-self:center;margin:4px 0;font-size:11px;color:var(--dim)}
.im-note{align-self:center;padding:2px 10px;text-align:center;font-size:12px;color:var(--muted)}
.im-note.err{color:#fca5a5}
.im-who{display:flex;gap:6px;padding:10px 12px 0;border-top:1px solid var(--line)}
.im-who[hidden]{display:none}
.im-who input{flex:1;min-width:0;background:#0f1a2e;border:1px solid var(--line2);border-radius:8px;padding:6px 9px;font-size:12.5px;color:var(--text);outline:0}
.im-who input:focus,.im-in textarea:focus{border-color:rgba(129,140,248,.7)}
.im-who button{flex:none;border:0;border-radius:8px;padding:0 12px;background:var(--grad-btn);color:#fff;font-size:12.5px;cursor:pointer}
.im-in{display:flex;gap:8px;align-items:flex-end;padding:10px 12px 4px;border-top:1px solid var(--line)}
.im-who:not([hidden])+.im-in{border-top:0}
.im-in textarea{flex:1;max-height:120px;resize:none;background:#0f1a2e;border:1px solid var(--line2);border-radius:10px;padding:8px 11px;font:inherit;font-size:13.5px;line-height:1.5;color:var(--text);outline:0}
.im-in button{width:38px;height:38px;flex:none;border-radius:10px;border:0;background:var(--grad-btn);color:#fff;display:grid;place-items:center;cursor:pointer}
.im-in button:disabled{opacity:.5;cursor:default}
.im-foot{padding:2px 12px 10px;min-height:8px}
.im-who-btn{display:inline-flex;align-items:center;gap:5px;padding:2px 0;border:0;background:none;color:var(--muted);font-size:12px;cursor:pointer}
.im-who-btn[hidden]{display:none}
.im-who-btn:hover{color:var(--text)}
.im-who-btn .i{width:13px;height:13px}
.im-toast{position:fixed;right:24px;bottom:136px;z-index:61;display:flex;align-items:flex-start;max-width:300px;border-radius:12px;border:1px solid var(--line2);background:#0f1a2e;box-shadow:var(--shadow);animation:anncPop .2s ease}
.im-toast[hidden]{display:none}
.im-toast-b{flex:1;display:flex;gap:8px;align-items:flex-start;padding:10px 2px 10px 12px;border:0;background:none;color:#dbe4f0;text-align:left;font-size:13px;line-height:1.5;cursor:pointer}
.im-toast-b .i{width:16px;height:16px;flex:none;margin-top:2px;color:#818cf8}
.im-toast-x{padding:8px;border:0;background:none;color:var(--dim);cursor:pointer}
.im-toast-x .i{width:14px;height:14px}
@media (max-width:640px){.im{left:0;right:0;bottom:0;width:auto;height:min(84vh,640px);border-radius:16px 16px 0 0}.im-toast{left:16px;right:16px;max-width:none}}
.dr-note{font-size:11px;color:var(--dim);text-align:center;padding:4px 16px 12px}
.sm{position:fixed;inset:0;z-index:90;display:none;align-items:flex-start;justify-content:center;padding:12vh 16px 0;background:rgba(2,6,15,.62);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.sm.open{display:flex}
.sm-box{width:min(680px,100%);background:#0b1426;border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.sm-top{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.sm-top input{flex:1;background:none;border:0;outline:0;font-size:16px}
.sm-top>.i{color:var(--muted)}
.sm-ai{display:flex;align-items:center;gap:8px;width:calc(100% - 20px);margin:10px;padding:10px 12px;border-radius:10px;border:1px solid rgba(129,140,248,.35);background:rgba(129,140,248,.08);color:#c7d2fe;cursor:pointer;font-size:14px;text-align:left}
.sm-ai b{color:#fff}
.sm-ai[hidden]{display:none}
.sm-ai[hidden]+.sm-filter{padding-top:10px}
.sm-filter{display:flex;gap:6px;padding:0 14px 8px;flex-wrap:wrap}
.sm-filter button{font:inherit;font-size:12px;line-height:1.5;padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:none;color:var(--muted);cursor:pointer}
.sm-filter .on{border-color:rgba(56,189,248,.5);color:#e0f2fe;background:rgba(56,189,248,.1)}
.sm-res{max-height:46vh;overflow-y:auto;padding:0 8px 8px}
.sm-res h6{font-size:11.5px;color:var(--dim);letter-spacing:1px;padding:10px 8px 6px;font-weight:600;display:flex;align-items:center;gap:6px}
.sr{display:flex;gap:10px;padding:9px 10px;border-radius:10px}
.sr:hover,.sr.on{background:rgba(56,189,248,.09)}
.sr .i{color:var(--dim);margin-top:2px}
.sr b{font-size:14px;font-weight:600;display:block}
.sr span{font-size:12.5px;color:var(--muted)}
mark{background:none;color:#7dd3fc;font-weight:700}
.sm-foot{display:flex;justify-content:space-between;padding:10px 16px;border-top:1px solid var(--line);font-size:11.5px;color:var(--dim)}
.mnav{display:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav,.sbtn{display:none}
  .menu-btn{display:grid}
  .hdr-act{margin-left:auto}
  body.menu-open .mnav{display:grid;position:fixed;top:64px;left:0;right:0;z-index:49;background:#0a1222;border-bottom:1px solid var(--line2);padding:12px 24px 20px;gap:4px}
  .mnav a{padding:10px 4px;border-bottom:1px solid var(--line);color:#d6deea}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .vis{max-width:640px;margin:0 auto;width:100%}
  .c7,.c5{grid-column:span 12}
  .c4{grid-column:span 6}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(4){border-left:0}
  .stat:nth-child(n+4){border-top:1px solid var(--line)}
  .works,.vids{grid-template-columns:repeat(2,1fr)}
  .panel{grid-template-columns:1fr;gap:32px}
  .ai-chat{grid-row:auto}
  .ai-grid>.c7,.ai-grid>.c5,.ai-grid>.c4{grid-column:span 12}
  .foot-grid{grid-template-columns:1fr 1fr 1fr}
  .foot-grid>div:first-child{grid-column:span 3}
  .about{grid-template-columns:1fr}
}
@media (max-width:680px){
  .wrap{padding:0 16px}
  .hero{padding:48px 0 40px}
  h1.h{font-size:clamp(26px,7.6vw,34px)}
  h1.h .gt{white-space:normal}
  .pill{font-size:12px}
  .lead{font-size:15px}
  .f1{left:-6px;bottom:auto;top:46px}.f2{right:-6px;width:220px}.f3{right:-6px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:0!important;border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--line)!important}
  .stat:last-child{grid-column:span 2}
  .sec{padding:68px 0}
  .sec-h h2{font-size:27px}
  .c4,.c6{grid-column:span 12}
  .agent-grid{grid-template-columns:1fr}
  .svc{flex-direction:column;align-items:flex-start}
  .works{grid-template-columns:1fr 1fr;gap:12px}
  .vids{grid-template-columns:1fr}
  .inds{grid-template-columns:1fr 1fr}
  .ind{padding:14px}
  .dep,.news{grid-template-columns:1fr}
  .vals{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:span 2}
  .panel h3{font-size:23px}
  .fab span{display:none}.fab{padding:0 15px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.plan *{stroke-dashoffset:0!important}.rooms *,.sel{opacity:1!important}}

/* ---------- header v2: account + mega with AI apps ---------- */
.acct{position:relative;min-width:64px;display:flex;justify-content:flex-end}
.login{height:34px;padding:0 14px}
.user{position:relative;display:none}
body.logged-in .user{display:block}
body.logged-in .login{display:none}
.avatar{width:34px;height:34px;border-radius:50%;border:2px solid rgba(34,193,195,.55);background:var(--grad-agent);color:#fff;font-weight:700;font-size:14px;cursor:pointer;display:grid;place-items:center;flex:none}
.avatar.av-sm{width:38px;height:38px;cursor:default}
.user-menu{position:absolute;right:0;top:calc(100% + 12px);width:250px;background:#0c1426;border:1px solid var(--line2);border-radius:14px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;z-index:60}
.user-menu.open{opacity:1;visibility:visible;transform:none}
.um-h{display:flex;gap:10px;align-items:center;padding:8px 8px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}
.um-h b{display:block;font-size:14px}.um-h span{font-size:12px;color:#5eead4}
.user-menu a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;font-size:13.5px;color:#d6deea}
.user-menu a .i{width:16px;height:16px;color:var(--muted)}
.user-menu a:hover{background:rgba(56,189,248,.08)}
.um-note{font-size:11.5px;color:var(--dim);padding:8px 10px 4px;border-top:1px solid var(--line);margin-top:6px}
.mega h6{font-size:11.5px;color:var(--dim);font-weight:600;letter-spacing:1px;padding:8px 12px 6px}
.mega-cols{display:grid;grid-template-columns:auto 290px;gap:8px}
.mega-apps{border-left:1px solid var(--line);padding-left:8px}
.ma{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;font-size:13.5px;color:#d6deea}
.ma .i{width:16px;height:16px;color:#5eead4}
.ma:hover{background:rgba(34,193,195,.08);color:#fff}
.ma.ma-all{color:#5eead4}
/* 只过渡这几项：通用 .feat 的 transition:.2s 含 visibility，会让它在大菜单收起后晚隐藏、仍能被 Tab 选中 */
.ma.feat{gap:12px;padding:10px;margin:0 2px 6px;border:1px solid rgba(34,193,195,.28);background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(34,193,195,.08));transition-property:border-color,background-color,transform}
.ma.feat b{display:flex;gap:6px;align-items:center;font-size:14px;color:#fff}
.ma.feat span{font-size:12px;color:var(--muted)}
.ai{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--grad-agent);color:#fff;flex:none;box-shadow:0 8px 20px -8px rgba(34,193,195,.65)}
.ai .i{color:#fff;width:19px;height:19px}
.hot{font:700 10px/1 var(--font);color:#fff;background:linear-gradient(135deg,#f43f5e,#f59e0b);padding:3px 6px;border-radius:999px;font-style:normal;letter-spacing:.4px}
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 2px}

/* ---------- AI apps (home + hub) ---------- */
.apps{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}
.apps>*{min-width:0}
.app-feat{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(34,193,195,.35);min-height:460px;display:flex;align-items:flex-end;background:#050a14;isolation:isolate}
.app-feat .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.app-feat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,0) 25%,rgba(5,10,20,.55) 55%,rgba(5,10,20,.96));z-index:-1}
.app-feat .ov{padding:30px}
.app-feat .tagrow{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.app-feat h3{font-size:30px;line-height:1.25;margin-bottom:10px}
.app-feat p{color:#d0d9e6;max-width:540px;font-size:15px}
.app-feat .chips2{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0 20px}
.app-feat .chips2 span{font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#e2e8f0;backdrop-filter:blur(6px)}
.live{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:#fecaca;background:rgba(239,68,68,.16);border:1px solid rgba(239,68,68,.35);padding:2px 9px;border-radius:999px}
.live::before{content:"";width:6px;height:6px;border-radius:50%;background:#ef4444;box-shadow:0 0 8px #ef4444;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}
.app-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.app{display:flex;gap:12px;padding:16px;border-radius:14px;border:1px solid var(--line);background:rgba(15,23,42,.6);transition:.2s;min-width:0}
.app:hover{border-color:rgba(34,193,195,.45);background:rgba(34,193,195,.05);transform:translateY(-2px)}
.app b{font-size:14.5px;display:block;margin-bottom:2px}
.app span{font-size:12.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.app.more{align-items:center;justify-content:center;color:#5eead4;font-weight:600;font-size:14px;border-style:dashed}
.vplay{position:absolute;inset:0;width:100%;height:100%;background:#000;z-index:3}
@media (max-width:1100px){.apps{grid-template-columns:1fr}.app-feat{min-height:380px}}
@media (max-width:680px){.app-list{grid-template-columns:1fr}.app-feat h3{font-size:24px}.app-feat .ov{padding:20px}.acct{min-width:0}.login{padding:0 10px}}

/* ---------- product pages (shared) ---------- */
.crumbs{font-size:12.5px;color:#8ea0b8;display:flex;gap:6px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.crumbs a:hover{color:#7dd3fc}
.crumbs .i{width:12px;height:12px;opacity:.5;transform:rotate(-90deg)}
.p-hero{position:relative;overflow:hidden;padding:40px 0 96px;isolation:isolate;background:#050a14}
.p-hero .media{position:absolute;top:0;bottom:0;right:0;left:36%;z-index:-2;-webkit-mask-image:linear-gradient(90deg,transparent,#000 30%);mask-image:linear-gradient(90deg,transparent,#000 30%)}
.p-hero .media img,.p-hero .media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.p-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,9,19,.6) 0%,rgba(5,9,19,.35) 45%,rgba(5,9,19,.05) 75%),linear-gradient(180deg,rgba(5,9,19,.45) 0,transparent 22%,transparent 72%,var(--bg1))}
.p-hero .inner{max-width:640px;min-height:500px;display:flex;flex-direction:column;justify-content:center}
.p-hero h1{font-size:clamp(30px,3.8vw,52px);line-height:1.14;font-weight:800;margin:16px 0 16px;letter-spacing:-.5px}
.p-hero .lead{max-width:600px;color:#b6c3d6}
.p-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:#99f6e4}
.p-tag .ai{width:34px;height:34px}
.fake-prompt{margin-top:28px;display:flex;gap:10px;align-items:center;padding:8px 8px 8px 16px;border-radius:14px;background:rgba(6,12,26,.84);border:1px solid rgba(34,193,195,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);max-width:600px;box-shadow:0 22px 44px -22px rgba(34,193,195,.6)}
.fake-prompt .i{color:#5eead4}
.fake-prompt .txt{flex:1;font-size:14.5px;color:#e2e8f0;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.caret{display:inline-block;width:2px;height:1.05em;background:#5eead4;vertical-align:-3px;margin-left:2px;animation:blink 1s steps(2) infinite}
.p-meta{margin-top:16px;font-size:12.5px;color:#8ea0b8;display:flex;gap:16px;flex-wrap:wrap}
.p-meta span{display:flex;align-items:center;gap:6px}
.p-meta .i{width:14px;height:14px;color:var(--green)}
.p-stats{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line2);border-radius:16px;background:rgba(12,20,38,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);margin-top:-52px;position:relative;z-index:2}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{padding:24px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(17,28,50,.85),rgba(11,18,34,.85));transition:.2s;min-width:0}
.feat:hover{border-color:rgba(34,193,195,.4);transform:translateY(-2px)}
.feat h4{font-size:16.5px;margin:14px 0 6px}
.feat p{color:var(--muted);font-size:13.5px;line-height:1.75}
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.use{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);min-height:250px;display:flex;align-items:flex-end;isolation:isolate}
.use img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s}
.use:hover img{transform:scale(1.05)}
.use::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.05) 25%,rgba(5,10,20,.94));z-index:-1}
.use>div{padding:18px 20px}
.use b{font-size:17px;display:block;margin-bottom:4px}
.use p{font-size:13px;color:#cbd5e1;line-height:1.65}
.faq{max-width:860px;margin:0 auto;display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(15,23,42,.55);padding:0 20px;transition:border-color .2s}
.faq details[open]{border-color:rgba(56,189,248,.3)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:#7dd3fc;font-size:22px;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;line-height:1.85}
.cta-band{position:relative;border-radius:24px;overflow:hidden;padding:60px 32px;text-align:center;border:1px solid rgba(34,193,195,.35);background:radial-gradient(600px 300px at 15% 0,rgba(47,107,255,.35),transparent 70%),radial-gradient(600px 300px at 85% 100%,rgba(34,193,195,.3),transparent 70%),#0a1328}
.cta-band h2{font-size:34px;line-height:1.3;margin-bottom:10px}
.cta-band p{color:#cbd5e1}
.cta-band .acts{justify-content:center;margin-top:26px}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:1100px){.p-stats{grid-template-columns:repeat(3,1fr)}.p-stats .stat:nth-child(4){border-left:0}.p-stats .stat:nth-child(n+4){border-top:1px solid var(--line)}.feat-grid,.uses,.rel{grid-template-columns:repeat(2,1fr)}.p-hero .media{left:0;-webkit-mask-image:none;mask-image:none}.p-hero::after{background:linear-gradient(180deg,rgba(5,9,19,.55),rgba(5,9,19,.9) 60%,var(--bg1))}}
@media (max-width:680px){.p-hero{padding:24px 0 80px}.p-hero .inner{min-height:0;padding-top:24px}.p-stats{grid-template-columns:1fr 1fr}.p-stats .stat{border-left:0!important;border-top:1px solid var(--line)}.p-stats .stat:nth-child(-n+2){border-top:0}.p-stats .stat:nth-child(even){border-left:1px solid var(--line)!important}.p-stats .stat:last-child{grid-column:span 2}.feat-grid,.uses,.rel{grid-template-columns:1fr}.cta-band{padding:40px 20px}.cta-band h2{font-size:26px}}
/* 视频未加载（省流量 / 减少动效 / 无 JS）时不渲染空的 <video>，海报图兜底 */
video[data-inview]:not([src]),video[data-ambient]:not([src]){display:none}
@media (max-width:1100px){.app-feat::after{background:linear-gradient(180deg,rgba(5,10,20,.3),rgba(5,10,20,.88) 40%,rgba(5,10,20,.97))}}
.nav>li.force-open .mega{opacity:1;visibility:visible;transform:none}

/* ---------- product sections (engine pages: hero split, flow, code, examples, family, resources) ---------- */
.ph{position:relative;padding:40px 0 88px;overflow:hidden}
.ph::before{content:"";position:absolute;inset:-20% -10% 0;background:radial-gradient(600px 420px at 78% 40%,rgba(56,189,248,.18),transparent 62%),radial-gradient(520px 360px at 10% 10%,rgba(129,140,248,.14),transparent 60%);pointer-events:none}
.ph .wrap{position:relative}
.ph-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.ph-grid>*{min-width:0}
.ph h1{font-size:clamp(30px,3.6vw,50px);line-height:1.16;font-weight:800;margin:14px 0 16px;letter-spacing:-.5px}
.ver{font:600 11.5px var(--mono);padding:2px 8px;border-radius:6px;border:1px solid rgba(56,189,248,.4);color:#7dd3fc;background:rgba(56,189,248,.08)}
.install{display:flex;align-items:center;gap:10px;margin-top:24px;max-width:520px;padding:6px 6px 6px 14px;border-radius:12px;background:#060c18;border:1px solid var(--line2);font:14px var(--mono);color:#e2e8f0}
.install .pr{color:#34d399}
.install code{background:none;padding:0;color:inherit;font-size:14px;flex:1}
.install .alt{font:12px var(--font);color:var(--dim);white-space:nowrap}
.shot3{position:relative}
.shot3 .frame img{aspect-ratio:auto}
.fchip{position:absolute;font-size:12.5px;padding:8px 12px;border-radius:10px;background:rgba(10,18,36,.88);border:1px solid var(--line2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--shadow);display:flex;gap:8px;align-items:center;animation:bob 6s ease-in-out infinite}
.fchip b{color:#fff}
.fchip .i{width:16px;height:16px;color:#5eead4}
/* how it works */
.flow{display:grid;grid-template-columns:1fr auto 1.25fr auto 1.15fr auto 1fr;align-items:stretch;gap:10px}
.node{border-radius:16px;border:1px solid var(--line2);background:linear-gradient(180deg,rgba(17,28,50,.9),rgba(11,18,34,.9));padding:20px;min-width:0}
.node h4{font-size:15.5px;margin:12px 0 8px}
.node ul{list-style:none;display:grid;gap:5px;font-size:13px;color:var(--muted)}
.node ul li::before{content:"· ";color:#38bdf8}
.node.core{border-color:rgba(56,189,248,.45);box-shadow:0 0 0 4px rgba(56,189,248,.06)}
.arrow{display:grid;place-items:center;color:#38bdf8}
.arrow .i{width:22px;height:22px}
.side{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.side .node{display:flex;gap:14px;align-items:flex-start;padding:16px 18px}
.side .node h4{margin:0 0 4px}
.side .node p{font-size:13px;color:var(--muted)}
/* code */
.codewrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
.codewrap>*{min-width:0}
.ctabs{display:flex;gap:4px;padding:6px;border-bottom:1px solid var(--line)}
.ctab{font-size:12.5px;padding:5px 12px;border-radius:7px;border:0;background:transparent;color:var(--muted);cursor:pointer}
.ctab[aria-selected=true]{background:rgba(56,189,248,.12);color:#e0f2fe}
.codebox{border-radius:14px;border:1px solid var(--line2);background:#060c18;overflow:hidden;box-shadow:var(--shadow)}
.codebox pre{font-size:12.5px;line-height:1.75;padding:16px 18px;max-height:420px}
.codebox [role=tabpanel][hidden]{display:none}
.steps3{list-style:none;display:grid;gap:14px;margin:20px 0 26px}
.steps3 li{display:flex;gap:14px}
.steps3 .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex:none;font:700 12.5px var(--mono);color:#06101f;background:linear-gradient(135deg,#38bdf8,#818cf8)}
.steps3 b{display:block;font-size:15px}
.steps3 span{font-size:13.5px;color:var(--muted)}
/* examples */
.exs{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.ex{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--card);transition:.2s;min-width:0}
.ex:hover{border-color:rgba(56,189,248,.45);transform:translateY(-3px)}
.ex .cv{aspect-ratio:1/1}
.ex>div:last-child{padding:10px 12px}
.ex b{font-size:13.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ex small{font-size:11.5px;color:var(--dim)}
/* sub products */
.fams{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fam{border-radius:18px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(17,28,50,.9),rgba(11,18,34,.9));overflow:hidden;display:flex;flex-direction:column;min-width:0}
.fam .pic{aspect-ratio:16/8.4;overflow:hidden;border-bottom:1px solid var(--line);background:#081020}
.fam .pic img{width:100%;height:100%;object-fit:cover;object-position:top}
.fam .bd{padding:24px;display:flex;flex-direction:column;flex:1}
.sub h3{font-size:20px;margin-bottom:6px}
.sub p{color:var(--muted);font-size:14px}
/* resources */
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.re{display:flex;gap:14px;align-items:center;padding:18px;border-radius:14px;border:1px solid var(--line);background:rgba(15,23,42,.55);transition:.2s}
.re:hover{border-color:rgba(56,189,248,.4)}
.re b{display:block;font-size:15px}
.re span{font-size:12.5px;color:var(--muted)}
.re .num{margin-left:auto;font:700 20px var(--mono);color:#7dd3fc}
@media (max-width:1100px){.ph-grid,.codewrap{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.arrow{transform:rotate(90deg);height:24px}.exs{grid-template-columns:repeat(3,1fr)}.fams,.side{grid-template-columns:1fr}.res{grid-template-columns:1fr 1fr}.fchip{display:none}}
@media (max-width:680px){.exs{grid-template-columns:1fr 1fr}.res{grid-template-columns:1fr}.install .alt{display:none}}

/* ---------- product sections (steps, gallery) ---------- */
.steps4{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;counter-reset:s}
.steps4 li{position:relative;padding:20px 20px 20px 22px;border-radius:14px;border:1px solid var(--line);background:rgba(15,23,42,.55)}
.steps4 li::after{content:"";position:absolute;top:34px;right:-14px;width:12px;height:2px;background:linear-gradient(90deg,#22c1c3,transparent)}
.steps4 li:last-child::after{display:none}
.steps4 .n{font:700 13px var(--mono);color:#5eead4;letter-spacing:1px}
.steps4 h4{font-size:16px;margin:6px 0 4px}
.steps4 p{font-size:13px;color:var(--muted);line-height:1.65}
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:14px}
.g{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line2);cursor:pointer;isolation:isolate;background:#0a1222}
.g img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s}
.g:hover img{transform:scale(1.05)}
.g::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,7,15,.88));z-index:-1}
.g .gm{position:absolute;left:14px;right:14px;bottom:12px}
.g b{font-size:15px;display:block}
.g small{font-size:11.5px;color:#cbd5e1}
.g .dur{bottom:auto;top:10px;right:10px}
.g .play i{width:46px;height:46px;opacity:0;transform:scale(.85);transition:.2s}
.g:hover .play i{opacity:1;transform:none}
.g-big{grid-column:span 2;grid-row:span 2}
.g-big b{font-size:20px}
.g-big .play i{opacity:1;transform:none;width:62px;height:62px}
.g-wide{grid-column:span 2}
.gal .vc{aspect-ratio:auto}
@media (max-width:1100px){.steps4{grid-template-columns:1fr 1fr}.steps4 li::after{display:none}.gal{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.steps4{grid-template-columns:1fr}.gal{grid-auto-rows:150px;gap:10px}}
/* ---------- generated product sections ---------- */
.rowlist{display:grid;gap:88px}
.panel.rev>div:first-child{order:2}
.feat .eps{list-style:none;display:grid;gap:4px;margin-top:12px}
.feat .eps code{font-size:11.5px;background:rgba(56,189,248,.07);color:#93c5fd;padding:2px 7px;border-radius:5px;display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.spec-wrap{overflow-x:auto;border:1px solid var(--line2);border-radius:16px}
.spec{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.spec th,.spec td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{background:rgba(56,189,248,.06);color:#cbd5e1;font-weight:600;font-size:13px;white-space:nowrap}
.spec tr:last-child td{border-bottom:0}
.spec td:first-child{color:#e2e8f0;font-weight:600;white-space:nowrap}
.spec td{color:#b8c4d6}
.spec td a{color:#7dd3fc}
.grpcs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.grpc{border-radius:16px;border:1px solid var(--line);background:var(--card);overflow:hidden;display:flex;flex-direction:column;min-width:0}
.grpc img{width:100%;aspect-ratio:4/3;object-fit:cover;border-bottom:1px solid var(--line)}
.grpc .bd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.grpc b{font-size:15.5px}
.grpc p{font-size:12.5px;color:var(--muted);line-height:1.6}
.grpc .tags{margin-top:4px}
.grpc .tg{font-size:11.5px;padding:2px 8px}
.exs.wide{grid-template-columns:repeat(4,1fr)}
.exs.wide .cv{aspect-ratio:16/10}
.exs .cv img{width:100%;height:100%;object-fit:cover}
.g-tall{grid-row:span 2}
@media (max-width:1100px){.panel.rev>div:first-child{order:0}.rowlist{gap:56px}.grpcs{grid-template-columns:repeat(2,1fr)}.exs.wide{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.grpcs{grid-template-columns:1fr}}
.panel.rev{grid-template-columns:1.12fr .88fr}
@media (max-width:1100px){.panel.rev{grid-template-columns:1fr}}
/* 列数由数据决定（--cols），断点仍然生效 */
@media (min-width:1101px){.p-stats[style*="--cols"]{grid-template-columns:repeat(var(--cols),1fr)}.steps4[style*="--cols"]{grid-template-columns:repeat(var(--cols),1fr)}}
.steps4 li,.p-stats .stat{min-width:0}
.p-stats .stat b{overflow-wrap:anywhere}
/* mock studio */
.studio{border-radius:18px;border:1px solid var(--line2);background:#070d1a;box-shadow:0 50px 100px -40px rgba(0,0,0,.9),0 0 0 1px rgba(34,193,195,.08) inset;overflow:hidden}
.st-top{display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.st-top b{color:#e2e8f0;font-size:13px}
.st-top>.i{color:#5eead4}
.st-top .sp{flex:1}
.st-top .chip3{font:11.5px var(--mono);padding:2px 8px;border-radius:6px;border:1px solid var(--line2)}
.st-top .exp{background:var(--grad-agent);color:#fff;border-radius:8px;padding:5px 12px;font-weight:700;font-size:12.5px}
.st-main{display:grid;grid-template-columns:320px 1fr;min-height:340px}
.st-chat{border-right:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:10px;font-size:12.5px}
.st-chat .q{align-self:flex-end;background:rgba(34,193,195,.14);border:1px solid rgba(34,193,195,.25);border-radius:10px 10px 3px 10px;padding:8px 10px;color:#ccfbf1;max-width:92%}
.st-chat .a{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:10px;padding:10px;color:#cbd5e1}
.st-chat .a b{color:#5eead4;font-size:12px;display:flex;align-items:center;gap:6px;margin-bottom:6px}
.shots{list-style:none;display:grid;gap:5px;margin-top:4px}
.shots li{display:flex;gap:8px;align-items:center;padding:5px 6px;border-radius:7px;background:rgba(56,189,248,.05)}
.shots img{width:44px;height:25px;border-radius:4px;object-fit:cover;flex:none}
.shots em{font:10.5px var(--mono);color:var(--dim);font-style:normal;margin-left:auto}
.st-view{position:relative;background:#02050c;display:grid;place-items:center;padding:14px}
.st-view .scr{position:relative;width:100%;aspect-ratio:16/9;border-radius:8px;overflow:hidden;box-shadow:0 0 0 1px var(--line2)}
.st-view .scr img{width:100%;height:100%;object-fit:cover}
.st-view .cap{position:absolute;left:50%;bottom:9%;transform:translateX(-50%);background:rgba(0,0,0,.55);padding:3px 12px;border-radius:4px;font-size:13px;color:#fff;white-space:nowrap}
.st-view .tc{position:absolute;right:10px;top:10px;font:11px var(--mono);background:rgba(0,0,0,.6);padding:2px 7px;border-radius:5px;color:#a7f3d0}
.st-tl{border-top:1px solid var(--line);padding:10px 14px 14px;font-size:11.5px;position:relative}
.ruler{display:flex;justify-content:space-between;font:10.5px var(--mono);color:var(--dim);margin:0 0 6px 64px}
.trk{display:grid;grid-template-columns:56px 1fr;gap:8px;align-items:center;height:26px;margin-bottom:5px}
.trk>span{color:var(--muted);font-size:11.5px}
.lane{position:relative;height:100%;border-radius:6px;background:rgba(255,255,255,.025)}
.clip{position:absolute;top:2px;bottom:2px;border-radius:5px;padding:0 8px;display:flex;align-items:center;font-size:11px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.c-map{background:linear-gradient(90deg,#1d4ed8,#2563eb);border:1px solid #3b82f6}
.c-ov{background:linear-gradient(90deg,#6d28d9,#7c3aed);border:1px solid #8b5cf6}
.c-au{background:repeating-linear-gradient(90deg,rgba(52,211,153,.75) 0 2px,transparent 2px 4px),rgba(6,78,59,.6);border:1px solid #10b981;color:#d1fae5}
.c-sub{background:#334155;border:1px solid #475569}
.kf{position:absolute;top:50%;width:8px;height:8px;background:#fbbf24;transform:translate(-50%,-50%) rotate(45deg);border:1px solid #0b1120}
.playhead{position:absolute;top:4px;bottom:8px;left:calc(64px + 14px + (100% - 92px) * .41);width:2px;background:#f43f5e;box-shadow:0 0 8px #f43f5e;pointer-events:none}
.playhead::before{content:"";position:absolute;top:-2px;left:-5px;border:6px solid transparent;border-top-color:#f43f5e}
/* gallery */
@media (max-width:1100px){.st-main{grid-template-columns:1fr}.st-chat{border-right:0;border-bottom:1px solid var(--line)}}
@media (max-width:680px){.st-top .chip3{display:none}.trk{grid-template-columns:40px 1fr}.ruler{margin-left:48px}.playhead{left:calc(48px + 14px + (100% - 76px) * .41)}}

/* ---------- products hub ---------- */
.hub-h{position:relative;padding:48px 0 30px;overflow:hidden}
.hub-h::before{content:"";position:absolute;inset:-30% -10% 0;background:radial-gradient(560px 300px at 20% 30%,rgba(56,189,248,.16),transparent 62%),radial-gradient(560px 300px at 80% 20%,rgba(34,193,195,.14),transparent 62%);pointer-events:none}
.hub-h .wrap{position:relative}
.hub-h h1{font-size:clamp(30px,3.6vw,46px);line-height:1.2;margin:8px 0 12px}
.hub-h p{color:var(--muted);font-size:16px;max-width:680px}
.jump{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.jump a{font-size:13.5px;padding:7px 14px;border-radius:999px;border:1px solid var(--line2);color:#c7d2e3;background:rgba(15,23,42,.6)}
.jump a:hover{border-color:rgba(56,189,248,.5);color:#fff}
.grp{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.grp h2{font-size:26px}
.grp h2 .grp-by{font-size:14px;color:#5eead4;font-weight:600;margin-left:8px}
.grp p{color:var(--muted);font-size:14px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pc{border-radius:18px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(17,28,50,.92),rgba(11,18,34,.92));overflow:hidden;display:flex;flex-direction:column;transition:.2s;min-width:0}
.pc:hover{border-color:rgba(56,189,248,.4);transform:translateY(-3px);box-shadow:0 30px 60px -30px rgba(56,189,248,.35)}
.pc .pic{aspect-ratio:16/8.5;overflow:hidden;border-bottom:1px solid var(--line);background:#081020;position:relative}
.pc .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pc:hover .pic img{transform:scale(1.04)}
.pc .bd{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:8px}
.pc h3{font-size:18.5px;display:flex;align-items:center;gap:8px}
.pc p{color:var(--muted);font-size:13.5px;line-height:1.7}
.pc .tags{margin-top:2px}
.pc .acts{margin-top:auto;padding-top:10px}
.pc.ag{border-color:rgba(34,193,195,.4)}
.pc .ph-svc{display:grid;place-items:center;height:100%;background:radial-gradient(300px 160px at 50% 60%,rgba(52,211,153,.18),transparent 70%),repeating-linear-gradient(90deg,rgba(148,163,184,.06) 0 1px,transparent 1px 28px),repeating-linear-gradient(0deg,rgba(148,163,184,.06) 0 1px,transparent 1px 28px)}
.pc .ph-svc .pi{width:64px;height:64px}
.pc .ph-svc .pi .i{width:30px;height:30px}
.pc .ph-coord{display:grid;place-items:center;height:100%;background:radial-gradient(260px 160px at 50% 50%,rgba(47,107,255,.25),transparent 70%),repeating-radial-gradient(circle at 50% 50%,rgba(34,193,195,.14) 0 1px,transparent 1px 22px)}
.pc .ph-coord .ai{width:64px;height:64px}.pc .ph-coord .ai .i{width:30px;height:30px}
.feat-app{grid-column:span 3;display:grid;grid-template-columns:1.3fr 1fr}
.feat-app .pic{aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line);min-height:300px}
.feat-app .bd{padding:30px;justify-content:center}
.feat-app h3{font-size:26px}
.badge-a{position:absolute;left:12px;top:12px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:rgba(6,10,20,.75);color:#99f6e4;border:1px solid rgba(34,193,195,.4)}
.choose{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line2);border-radius:16px;overflow:hidden;font-size:14px}
.choose th,.choose td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.choose th{background:rgba(56,189,248,.06);color:#cbd5e1;font-weight:600;font-size:13px}
.choose tr:last-child td{border-bottom:0}
.choose td:first-child{color:#e2e8f0}
.choose td a{color:#7dd3fc;font-weight:600}
.choose .way{font-size:12px;padding:2px 9px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.choose .way.nc{border-color:rgba(34,193,195,.45);color:#5eead4}
@media (max-width:1100px){.pgrid{grid-template-columns:1fr 1fr}.feat-app{grid-column:span 2;grid-template-columns:1fr}.feat-app .pic{border-right:0;border-bottom:1px solid var(--line);min-height:240px}}
@media (max-width:680px){.pgrid{grid-template-columns:1fr}.feat-app{grid-column:span 1}.grp{flex-direction:column}.choose th:nth-child(3),.choose td:nth-child(3){display:none}}

/* ---------- generic page header ---------- */
.pg-h{position:relative;padding:44px 0 36px;overflow:hidden}
.pg-h::before{content:"";position:absolute;inset:-30% -10% 0;background:radial-gradient(560px 300px at 15% 30%,rgba(56,189,248,.15),transparent 62%),radial-gradient(560px 300px at 85% 10%,rgba(129,140,248,.14),transparent 62%);pointer-events:none}
.pg-h .wrap{position:relative}
.pg-h h1{font-size:clamp(30px,3.6vw,46px);line-height:1.2;margin:10px 0 12px}
.pg-h p{color:var(--muted);font-size:16px;max-width:720px}
.pg-h.err{padding:96px 0 120px;text-align:center}
.pg-h.err p,.pg-h.err .ask{margin-left:auto;margin-right:auto}
.pg-h.err .cta{justify-content:center}

/* ---------- contact ---------- */
.ct-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.ct-grid>*{min-width:0}
.ct-card{display:flex;gap:16px;padding:24px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(17,28,50,.92),rgba(11,18,34,.92))}
.ct-card h3{font-size:18px;margin:4px 0 6px}
.ct-card p{color:var(--muted);font-size:14px}
.ct-card .acts{margin-top:14px}
.qr-card{flex-direction:column;align-items:center;text-align:center}
.qr-card img{width:180px;height:180px;border-radius:14px;background:#fff;padding:10px;box-shadow:0 20px 40px -20px rgba(0,0,0,.8)}
.ct-col{display:grid;gap:20px}
.ct-mail{font-size:17px;font-weight:700;color:#7dd3fc}
.ct-route{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ct-r{display:flex;gap:14px;padding:20px;border-radius:16px;border:1px solid var(--line);background:rgba(15,23,42,.55)}
.ct-r b{font-size:15.5px}
.ct-r p{color:var(--muted);font-size:13.5px;margin-top:4px}
.map-box{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line2);background:#0b1120;aspect-ratio:2/1}
.map-box>img{width:100%;height:100%;object-fit:cover}
.map-pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);display:flex;flex-direction:column;align-items:center;pointer-events:none}
.map-pin span{order:-1;margin-bottom:8px;font-size:12.5px;font-weight:700;background:var(--grad-btn);color:#fff;padding:4px 10px;border-radius:8px;white-space:nowrap;box-shadow:0 10px 24px -8px rgba(91,94,240,.8)}
.map-pin i{width:18px;height:18px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:#f43f5e;border:3px solid #fff;box-shadow:0 0 0 8px rgba(244,63,94,.25)}
.map-card{position:absolute;left:20px;bottom:20px;max-width:360px;padding:18px 20px;border-radius:14px;background:rgba(10,18,36,.9);border:1px solid var(--line2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.map-card b{font-size:15.5px}
.map-card p{color:var(--muted);font-size:13.5px;margin:4px 0 12px}
.map-credit{position:absolute;right:10px;bottom:8px;font-size:11px;color:#94a3b8;background:rgba(0,0,0,.45);padding:1px 6px;border-radius:4px}

/* ---------- about ---------- */
.ab-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.ab-text p{color:#c3cede;font-size:15.5px;line-height:1.95;margin-bottom:16px}
.ab-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.ab-facts div{padding:16px;border-radius:14px;border:1px solid var(--line);background:rgba(15,23,42,.55)}
.ab-facts b{display:block;font-size:26px;background:linear-gradient(180deg,#fff,#a9c4e8);-webkit-background-clip:text;background-clip:text;color:transparent}
.ab-facts span{font-size:12.5px;color:var(--muted)}
.ab-vals{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.val.big{padding:26px 10px;font-size:14px}
.val.big .i{width:30px;height:30px;margin-bottom:10px}
.val.big b{display:block;font-size:15px}
.ab-sys{display:grid;gap:12px;max-width:980px;margin:0 auto}
.ab-layer{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;padding:18px 20px;border-radius:16px;border:1px solid var(--line2);background:linear-gradient(90deg,rgba(47,107,255,.08),rgba(15,23,42,.6))}
.ab-layer.base{background:linear-gradient(90deg,rgba(16,185,129,.1),rgba(15,23,42,.6))}
.ab-layer h4{font-size:14px;color:#7dd3fc}
.ab-items{display:flex;flex-wrap:wrap;gap:8px}
.ab-items a{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;padding:7px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#d6deea}
.ab-items a:hover{border-color:rgba(56,189,248,.45);color:#fff}
.ab-items .i{width:15px;height:15px;color:#5eead4}

.theme-tg{display:grid}
.hdr-act .gh .i{width:18px;height:18px}
.hdr-act .gh:hover{color:var(--text);background:rgba(148,163,184,.12)}
@media (max-width:640px){.hdr-act .gh{display:none}}
@media (max-width:1100px){.ct-grid{grid-template-columns:1fr 1fr}.ct-col{grid-column:span 2;grid-template-columns:1fr 1fr}.ab-grid{grid-template-columns:1fr}}
@media (max-width:680px){.ct-grid,.ct-col,.ct-route{grid-template-columns:1fr}.ct-col{grid-column:auto}.map-box{aspect-ratio:auto;height:440px}.map-card{left:12px;right:12px;bottom:12px;max-width:none}.ab-facts{grid-template-columns:1fr 1fr}.ab-layer{grid-template-columns:1fr}}
/* 搜索弹窗结果 */
.sm-empty{padding:18px 10px;color:var(--muted);font-size:13.5px}
.sr div{min-width:0;flex:1}
.sr b small{font-weight:500;color:#93c5fd;font-size:12.5px}
.sr span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
.sr .sr-p{display:block;font-style:normal;font-size:11.5px;color:var(--dim);margin-top:2px}
.sr.sub{padding:5px 10px 5px 34px}.sr.sub b{font-size:13px;font-weight:500;color:#cbd5e1}.sr.sub .i{width:13px;height:13px}
.sr.more b{color:#7dd3fc;font-weight:500;font-size:13px}
/* ---- AI 问答（抽屉与 /ai 页共用） ---- */
.dr-in textarea{flex:1;resize:none;background:#0f1a2e;border:1px solid var(--line2);border-radius:10px;padding:10px 12px;outline:0;font:inherit;font-size:14px;line-height:1.5;color:inherit;max-height:160px}
.dr-in textarea:focus{border-color:rgba(129,140,248,.7)}
.dr-note{display:flex;align-items:center;justify-content:center;gap:12px}
.dr-note .deep{display:inline-flex;align-items:center;gap:4px;cursor:pointer;color:#a5b4fc}
.dr-note .dr-full{color:#7dd3fc}
.msg.a{min-width:0;overflow-wrap:anywhere}
.stp{flex-direction:column;align-items:flex-start;gap:4px}
.stp span{display:flex;align-items:center;gap:6px;color:#94a3b8}
.stp span.ok{color:#86efac}
.spin{width:12px;height:12px;border-radius:50%;border:2px solid rgba(125,211,252,.25);border-top-color:#7dd3fc;display:inline-block;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stp-d{font-size:12px;color:var(--dim);margin-bottom:8px}
.stp-d summary{cursor:pointer;display:flex;align-items:center;gap:6px;color:#86efac;list-style:none}
.stp-d summary::-webkit-details-marker{display:none}
.stp-d summary .i{width:13px;height:13px}
.stp-d span{display:block;padding:2px 0 0 19px}
.md{font-size:14px;line-height:1.75;color:#dbe4f0}
.md p{margin:0 0 10px}.md p:last-child{margin-bottom:0}
.md h4{font-size:14.5px;margin:14px 0 6px;color:#f1f5f9}
.md ul,.md ol{margin:0 0 10px;padding-left:20px}.md li{margin:3px 0}
.md code{font-family:var(--mono,ui-monospace,Consolas,monospace);font-size:12.5px;background:rgba(148,163,184,.14);padding:1px 5px;border-radius:5px;color:#e2e8f0}
.md blockquote{margin:0 0 10px;padding:6px 12px;border-left:3px solid rgba(129,140,248,.5);color:#b8c4d6;background:rgba(129,140,248,.06);border-radius:0 8px 8px 0}
.md .tw{overflow-x:auto;margin:0 0 10px}.md table{border-collapse:collapse;font-size:13px;min-width:100%}
.md th,.md td{border:1px solid var(--line2);padding:5px 9px;text-align:left}.md th{background:rgba(255,255,255,.04)}
.md a{color:#7dd3fc}
.md a.cite{display:inline-grid;place-items:center;min-width:17px;height:17px;padding:0 4px;margin:0 1px;border-radius:5px;font-size:10.5px;font-weight:700;background:rgba(56,189,248,.16);color:#7dd3fc;vertical-align:2px;text-decoration:none}
.md a.cite:hover{background:rgba(56,189,248,.32);color:#fff}
.acb{margin:0 0 12px;border:1px solid var(--line2);border-radius:10px;overflow:hidden;background:#060c18}
.acb-h{display:flex;align-items:center;gap:6px;padding:5px 8px 5px 12px;font-size:11.5px;color:var(--dim);border-bottom:1px solid var(--line)}
.acb-h span{margin-right:auto;text-transform:lowercase}
.acb-h button{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;padding:3px 8px;border-radius:6px;border:1px solid var(--line2);background:transparent;color:#cbd5e1;cursor:pointer}
.acb-h button:hover{border-color:rgba(56,189,248,.5);color:#fff}
.acb-h button[data-run]{border-color:rgba(34,197,94,.45);color:#86efac}
.acb-h .i{width:12px;height:12px}
.acb pre{margin:0;padding:10px 12px;overflow-x:auto;font-size:12.5px;line-height:1.6}
.acb pre code{background:none;padding:0;font-size:inherit;color:#e2e8f0}
.chk{display:flex;align-items:flex-start;gap:6px;padding:6px 12px;font-size:12px;border-top:1px solid var(--line)}
.chk .i{width:13px;height:13px;flex:none;margin-top:2px}
.chk.ok{color:#86efac}.chk.warn{color:#fcd34d;background:rgba(251,191,36,.06)}
.refs{flex-direction:column;align-items:stretch}
.refs a{display:flex;gap:6px;align-items:baseline;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.refs a em{font-style:normal;font-weight:700;color:#7dd3fc;flex:none}
.refs details summary{font-size:12px;color:var(--dim);cursor:pointer;padding:3px 0}
.refs details a{margin-top:6px}
.fb button{display:inline-flex;align-items:center;gap:4px}.fb .i{width:12px;height:12px}
.fb button.on{border-color:rgba(56,189,248,.6);color:#e0f2fe;background:rgba(56,189,248,.12)}
.ai-err{margin-top:6px;font-size:13px;color:#fca5a5}.ai-err a{color:#7dd3fc}
.ai-miss{margin-top:10px;font-size:12.5px;color:#fcd34d;padding:7px 10px;border-radius:8px;background:rgba(251,191,36,.07);border:1px solid rgba(251,191,36,.2)}
.ai-miss a{color:#7dd3fc}
.ai-redeep{display:inline-flex;align-items:center;gap:5px;margin-left:8px;height:26px;padding:0 10px;border-radius:7px;border:1px solid rgba(129,140,248,.45);background:rgba(129,140,248,.14);color:#c7d2fe;font-size:12.5px;font-weight:600;cursor:pointer;vertical-align:middle}
.ai-redeep .i{width:13px;height:13px}
.ai-redeep:hover{background:rgba(129,140,248,.24);color:#fff}
.ai-gate{margin-top:8px;padding:14px 16px;border-radius:12px;background:linear-gradient(135deg,rgba(56,189,248,.1),rgba(129,140,248,.1));border:1px solid rgba(125,211,252,.28)}.ai-gate p{margin:0 0 10px;font-size:13.5px;line-height:1.65;color:var(--t1)}.ai-gate div{display:flex;gap:8px;flex-wrap:wrap}
.ai-left{margin-top:10px;font-size:12.5px;color:var(--t3)}.ai-left b{color:var(--t1)}.ai-left a{color:#7dd3fc}
.ai-run{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:4vh 16px;background:rgba(2,6,15,.7);backdrop-filter:blur(3px)}
.ai-run.open{display:flex}
.ai-run-box{width:min(1100px,100%);height:min(720px,88vh);display:flex;flex-direction:column;background:#0b1426;border:1px solid var(--line2);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.ai-run-h{display:flex;align-items:center;gap:10px;padding:10px 12px 10px 16px;border-bottom:1px solid var(--line)}
.ai-run-h span{font-size:12px;color:var(--dim);margin-right:auto}
.ai-run-v{flex:1;position:relative}.ai-run-v iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000117}
.ai-busy .dr-in button{background:#334155}
/* /ai 全屏页 */
.aip{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.aip-chat{display:flex;flex-direction:column;height:calc(100vh - 210px);min-height:520px;border:1px solid var(--line2);border-radius:16px;background:#0a1222;overflow:hidden}
.aip-chat .dr-h{padding:12px 16px}
.aip-chat .dr-log{padding:20px 22px}
.aip-chat .msg.u{max-width:72%}
.aip-side{display:grid;gap:14px}
.aip-side section{border:1px solid var(--line);border-radius:14px;padding:16px;background:rgba(15,23,42,.55)}
.aip-side h3{font-size:14px;margin:0 0 10px}
.aip-side ul{margin:0;padding-left:18px;font-size:13px;line-height:1.8;color:#b8c4d6}
.aip-side .sugg button{width:100%}
.aip-hello{max-width:640px}
.aip-hello h2{font-size:20px;margin:0 0 6px}
.aip-hello p{margin:0 0 12px;color:#b8c4d6}
.aip-hello .sugg{flex-direction:row;flex-wrap:wrap}
@media (max-width:960px){.aip{grid-template-columns:1fr}.aip-side{display:none}.aip-chat{height:calc(100vh - 170px)}}
.md hr{border:0;border-top:1px solid var(--line2);margin:12px 0}
.avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}
/* 流程图列数来自模板（--flow），只在宽屏生效；窄屏按 1100px 断点改为单列 */
@media (min-width:1101px){.flow[style*="--flow"]{grid-template-columns:var(--flow)}}

/* ---------- 首屏：产品介绍 + 配图；三大在线平台只留一行入口 ---------- */
.hero2{padding:56px 0 60px}
.h2-top{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.h2-top .brandline{margin:0}
.h2-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center;margin-top:26px}
.hero2 .h{font-size:clamp(30px,3.2vw,44px);line-height:1.22}
.hero2 .lead{margin-top:16px;font-size:16.5px;line-height:1.85}
.hero2 .cta{margin-top:26px}
.h2-plats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-width:380px;margin-top:24px;font-size:13px}
.h2-pl-k{grid-column:1/-1;color:var(--dim);font-size:12px;letter-spacing:1px}
.h2-plats a{display:flex;align-items:center;gap:7px;height:34px;padding:0 12px;border-radius:10px!important;border-radius:999px;border:1px solid var(--line);color:var(--muted);transition:border-color .15s,color .15s,background .15s}
.h2-plats a .i{width:14px;height:14px;color:#7dd3fc}
.h2-plats a em{font-style:normal;font-size:10.5px;font-weight:700;padding:0 6px;border-radius:999px;background:rgba(251,191,36,.14);color:#fcd34d;line-height:17px}
.h2-plats a:hover{color:var(--text);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.h2-art{position:relative;margin:0}
.h2-art::before{content:"";position:absolute;inset:8% 6% -4%;border-radius:40px;background:radial-gradient(60% 60% at 50% 50%,rgba(56,189,248,.28),transparent 70%);filter:blur(30px);z-index:-1}
.h2-art img{display:block;width:100%;height:auto;border-radius:22px;box-shadow:0 40px 90px -40px rgba(0,0,0,.8),0 0 0 1px rgba(148,197,255,.1)}
.h2-art img.th-l{display:none}
html[data-theme=light] .h2-art img.th-l{display:block}
html[data-theme=light] .h2-art img.th-d{display:none}
.hero2 .stats{margin-top:48px}
@media (max-width:1100px){.h2-grid{grid-template-columns:1fr;gap:32px}.hero2 .h{font-size:38px}.h2-art{max-width:760px}}
@media (max-width:640px){.hero2{padding-top:32px}.hero2 .h{font-size:31px}.h2-art img{border-radius:14px}}
.toast{position:fixed;left:50%;bottom:32px;z-index:130;transform:translate(-50%,12px);opacity:0;padding:10px 18px;border-radius:10px;background:#0f172a;color:#e2e8f0;border:1px solid var(--line2);font-size:13.5px;box-shadow:var(--shadow);transition:.25s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}