:root{
  --bg:#F4EEE2;
  --bg2:#EFE7D7;
  --txt:#26333B;
  --ink:#1C2A30;
  --muted:#5E6B66;
  --dim:#9A8F7C;
  --qing:#2F6E62;
  --zhu:#A8342A;
  --gold:#B08436;
  --grad:linear-gradient(118deg,#2F6E62 0%,#6E8B5E 48%,#A8342A 100%);
  --grad2:linear-gradient(118deg,#A8342A 0%,#B08436 100%);
  --glass:rgba(255,255,255,.62);
  --glass2:rgba(255,255,255,.82);
  --line:rgba(60,48,36,.14);
  --line2:rgba(60,48,36,.28);
  --serif:"Songti SC","STSong","SimSun","Noto Serif SC",serif;
  --kai:"Kaiti SC","STKaiti","KaiTi","Noto Serif SC",serif;
  --sans:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--bg);color:var(--txt);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grad-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.zhu{color:var(--zhu)}
.section{padding:96px 0;position:relative}
.section .kicker{font-size:14px;letter-spacing:.32em;text-transform:uppercase;color:var(--zhu);font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.section .kicker::before{content:"";width:30px;height:2px;background:var(--zhu);border-radius:2px}
.h2{font-family:var(--serif);font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.15;color:var(--ink)}
.h2 .grad-txt{font-weight:800}
.sub{color:var(--muted);font-size:17px;max-width:680px;margin-top:16px;line-height:1.8}

/* ---------- background layers ---------- */
.bg-fixed{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(900px 620px at 88% -8%, rgba(47,110,98,.14), transparent 60%),
  radial-gradient(820px 540px at 3% 10%, rgba(168,52,42,.08), transparent 58%),
  radial-gradient(720px 540px at 62% 102%, rgba(176,132,54,.10), transparent 60%),
  var(--bg)}
.wash{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 20s ease-in-out infinite}
.wash.a{width:480px;height:480px;background:radial-gradient(circle,rgba(47,110,98,.20),transparent 70%);top:-120px;right:-60px}
.wash.b{width:420px;height:420px;background:radial-gradient(circle,rgba(176,132,54,.18),transparent 70%);bottom:8%;left:-130px;animation-delay:-7s}
.wash.c{width:360px;height:360px;background:radial-gradient(circle,rgba(168,52,42,.12),transparent 70%);top:42%;right:18%;animation-delay:-12s;opacity:.4}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(26px,-36px) scale(1.06)}}
.grid-fixed{position:fixed;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(60,48,36,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(60,48,36,.05) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(1000px 700px at 50% 0%,#000 0%,transparent 75%);
  mask-image:radial-gradient(1000px 700px at 50% 0%,#000 0%,transparent 75%);
}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(244,238,226,.72);
  border-bottom:1px solid var(--line);transition:background .3s}
.nav .row{display:flex;align-items:center;height:68px;gap:22px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.logo .mk{width:38px;height:38px;border-radius:11px;background:var(--zhu);display:grid;place-items:center;
  font-family:var(--display);font-size:16px;font-weight:800;letter-spacing:.01em;color:#FDF6EC;box-shadow:0 6px 18px rgba(168,52,42,.35)}
.logo small{display:block;font-size:12.5px;letter-spacing:.28em;color:var(--dim);font-weight:600;margin-top:2px}
.navlinks{display:flex;gap:18px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.navlinks a{position:relative;transition:color .25s;padding:4px 0;white-space:nowrap}
.navlinks a:hover{color:var(--ink)}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--zhu);transition:width .25s}
.navlinks a:hover::after{width:100%}
.btn{padding:10px 20px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:transform .2s,box-shadow .3s,filter .3s;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--zhu);color:#FDF6EC;box-shadow:0 8px 22px rgba(168,52,42,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(168,52,42,.46)}
.btn-ghost{background:var(--glass);border:1px solid var(--line2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--qing);color:var(--qing);background:rgba(47,110,98,.06)}
.nav .btn{margin-left:6px;padding:9px 16px;font-size:14.5px;white-space:nowrap}
.burger{display:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:104px 0 60px;overflow:hidden}
.hero .glow{position:absolute;left:74%;top:2%;transform:translateX(-50%);width:900px;height:900px;
  background:radial-gradient(circle,rgba(47,110,98,.20),transparent 63%);filter:blur(26px);z-index:0}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:54px;align-items:center;text-align:left}
.hero-copy{position:relative;z-index:3}
.pill{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(168,52,42,.32);background:rgba(168,52,42,.06);font-size:14.5px;color:var(--zhu);margin-bottom:26px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--zhu);box-shadow:0 0 10px rgba(168,52,42,.5);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-family:var(--serif);font-size:clamp(34px,4.5vw,62px);font-weight:850;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}
.hero p.lead{color:var(--muted);font-size:clamp(14.5px,1.5vw,17px);max-width:600px;margin:24px 0 0;line-height:1.9}
.hero .cta{display:flex;gap:14px;justify-content:flex-start;margin-top:32px;flex-wrap:wrap}
.hero .cta .btn{font-size:16px;padding:14px 28px}
.hero-badges{display:flex;gap:12px;justify-content:flex-start;margin-top:36px;flex-wrap:wrap}

/* hero 主视觉：墨玉圆盘 + 头像白泽 */
.hero-art{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:540px;order:-1}
.stage-wrap{position:relative;width:min(478px,96%);perspective:1000px}
.stage{position:relative;width:100%;aspect-ratio:1;border-radius:50%;transition:transform .6s cubic-bezier(.2,.7,.3,1);
  background:radial-gradient(circle at 50% 28%,#43867a 0%,#2a5150 38%,#182a30 72%,#0f1b21 100%);
  box-shadow:0 46px 90px -18px rgba(16,40,40,.55),inset 0 0 70px rgba(0,0,0,.55),
    0 0 0 1px rgba(176,132,54,.45),0 0 0 10px rgba(176,132,54,.09);
  display:grid;place-items:center;overflow:hidden;isolation:isolate}
.stage::before{content:"";position:absolute;inset:14px;border-radius:50%;border:1px solid rgba(176,132,54,.28);z-index:3;pointer-events:none}
.stage::after{content:"";position:absolute;inset:-2px;border-radius:50%;z-index:2;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0 58%,rgba(200,158,74,.85) 74%,transparent 86%);
  -webkit-mask:radial-gradient(circle,transparent 0 74.5%,#000 75.5% 76.6%,transparent 77.5%);
          mask:radial-gradient(circle,transparent 0 74.5%,#000 75.5% 76.6%,transparent 77.5%);
  animation:spin 26s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stage .halo{position:absolute;inset:0;border-radius:50%;z-index:0;
  background:radial-gradient(circle at 50% 42%,rgba(150,225,255,.20),transparent 58%)}
.stage .vig{position:absolute;inset:0;border-radius:50%;z-index:2;pointer-events:none;
  background:radial-gradient(circle,transparent 52%,rgba(11,24,30,.42) 80%,rgba(11,24,30,.86) 100%)}
.stage img.baize{position:relative;z-index:1;width:80%;height:80%;object-fit:contain;
  filter:drop-shadow(0 16px 38px rgba(0,0,0,.45));
  animation:floaty 7.5s ease-in-out infinite}
/* 圆盘外的虚线刻度环 */
.ring{position:absolute;left:-24px;top:-24px;width:calc(100% + 48px);aspect-ratio:1;border-radius:50%;
  border:1px dashed rgba(176,132,54,.34);animation:spin 68s linear infinite reverse;pointer-events:none}
.ring2{position:absolute;left:-40px;top:-40px;width:calc(100% + 80px);aspect-ratio:1;border-radius:50%;
  border:1px solid rgba(47,110,98,.14);pointer-events:none}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
/* 圆盘外的漂浮金点 */
.stage-orbit{position:absolute;inset:-6%;border-radius:50%;pointer-events:none}
.stage-orbit i{position:absolute;width:5px;height:5px;border-radius:50%;background:rgba(200,158,74,.85);
  box-shadow:0 0 10px rgba(200,158,74,.7);animation:orbitFade 5s ease-in-out infinite}
.stage-orbit i:nth-child(1){left:6%;top:26%}
.stage-orbit i:nth-child(2){right:8%;top:16%;animation-delay:-1.6s;background:rgba(47,110,98,.9);box-shadow:0 0 10px rgba(47,110,98,.7)}
.stage-orbit i:nth-child(3){right:2%;bottom:30%;animation-delay:-3s;width:4px;height:4px}
.stage-orbit i:nth-child(4){left:12%;bottom:14%;animation-delay:-2.2s;width:3px;height:3px}
@keyframes orbitFade{0%,100%{opacity:.25;transform:translateY(0) scale(.9)}50%{opacity:1;transform:translateY(-9px) scale(1.15)}}
.stage-cap{margin-top:22px;text-align:center;font-family:var(--kai);font-size:15px;letter-spacing:.22em;color:var(--dim)}
.stage-cap b{color:var(--zhu);font-weight:700;letter-spacing:.18em}
.hero-art .seal{position:absolute;right:2%;bottom:16%;width:64px;height:64px;border-radius:12px;background:var(--zhu);
  color:#FDF6EC;font-family:var(--kai);font-size:32px;font-weight:700;display:grid;place-items:center;
  transform:rotate(-6deg);box-shadow:0 12px 28px rgba(168,52,42,.42);animation:sealfloat 7s ease-in-out infinite;z-index:4}
.hb{display:flex;align-items:center;gap:11px;padding:13px 20px;border-radius:14px;border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(8px)}
.hb b{font-family:var(--serif);font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hb span{font-size:14.5px;color:var(--muted)}
.marq{margin-top:64px;position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marq .lab{text-align:center;font-size:14.5px;letter-spacing:.28em;color:var(--dim);text-transform:uppercase;margin-bottom:20px}
.marq .track{display:flex;gap:18px;width:max-content;animation:scroll 38s linear infinite}
.marq:hover .track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.chip{padding:12px 22px;border-radius:12px;border:1px solid var(--line);background:var(--glass);
  font-size:15px;color:var(--muted);white-space:nowrap;font-weight:600}
.chip b{color:var(--ink);font-weight:700}

/* ---------- AI+产业+资本模式 · 已入局：循环标签卡 ---------- */
.joined-band{background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%)}
.joined-lead{font-family:var(--serif);font-size:clamp(18px,2.2vw,24px);font-weight:800;color:var(--ink);margin:4px 0 0;letter-spacing:.01em}
.jmarq{margin-top:24px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.jtrack{display:flex;gap:16px;width:max-content;animation:scroll 42s linear infinite}
.jmarq:hover .jtrack{animation-play-state:paused}
.jcard{display:flex;align-items:center;gap:12px;padding:16px 26px;border-radius:16px;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(60,48,36,.07);white-space:nowrap}
.jcard .jtag{font-size:12.5px;letter-spacing:.08em;font-weight:700;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:3px 11px;flex:none}
.jcard .jname{font-size:16.5px;font-weight:650;color:var(--ink);letter-spacing:.01em}
@media (max-width:560px){
  .jcard{padding:13px 18px;gap:9px}
  .jcard .jname{font-size:14.5px}
  .jcard .jtag{font-size:11px;padding:2px 8px}
  .jtrack{animation-duration:30s}
}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:10px}
.stat{padding:22px 14px;border-radius:16px;border:1px solid var(--line);background:var(--glass);text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);font-weight:850;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat span{display:block;font-size:15.5px;color:var(--muted);margin-top:9px}

/* ---------- generic card grid ---------- */
.grid{display:grid;gap:20px;margin-top:46px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;border:1px solid var(--line);background:var(--glass);border-radius:20px;padding:26px;
  overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s,box-shadow .35s}
.card::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1.5px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.35s}
.card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 22px 54px rgba(60,40,20,.16)}
.card:hover::before{opacity:.85}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,110,98,.10);border:1px solid rgba(47,110,98,.22);margin-bottom:18px}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:18px;font-weight:750;margin-bottom:9px;letter-spacing:.01em;color:var(--ink)}
.card p{font-size:16px;color:var(--muted);line-height:1.75}
.card .tag{display:inline-block;margin-top:14px;font-size:15px;color:var(--qing);
  border:1px solid rgba(47,110,98,.34);border-radius:999px;padding:5px 12px;background:rgba(47,110,98,.06)}
.card .val{margin-top:14px;font-size:15px;color:var(--qing);display:flex;gap:8px;align-items:flex-start;line-height:1.6}
.card .val span{font-weight:700;flex-shrink:0;color:var(--zhu)}
.card.span{grid-column:span 2}

/* ---------- clients ---------- */
.clients{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.client{border:1px solid var(--line);background:var(--glass);border-radius:16px;padding:24px 20px;
  display:flex;flex-direction:column;gap:8px;transition:border-color .3s,transform .3s}
.client:hover{border-color:var(--qing);transform:translateY(-4px);box-shadow:0 16px 36px rgba(60,40,20,.12)}
.client .ci{width:40px;height:40px;border-radius:11px;background:var(--zhu);display:grid;place-items:center;
  font-family:var(--kai);font-weight:700;color:#FDF6EC;font-size:18px;margin-bottom:6px}
.client b{font-size:16px;font-weight:700;line-height:1.4;color:var(--ink)}
.client span{font-size:15px;color:var(--dim)}

/* ---------- founder ---------- */
.founder{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:center;margin-top:44px;
  border:1px solid var(--line);background:var(--glass);border-radius:26px;padding:44px;position:relative;overflow:hidden}
.founder .fglow{position:absolute;left:-60px;top:-60px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,110,98,.22),transparent 70%);filter:blur(40px)}
.founder .pic{position:relative;z-index:2;width:280px;height:280px;border-radius:24px;overflow:hidden;
  border:1px solid var(--line2);display:grid;place-items:center;background:radial-gradient(circle at 50% 30%,rgba(47,110,98,.14),transparent 70%)}
.founder .pic img{width:88%;filter:drop-shadow(0 18px 40px rgba(40,30,20,.28))}
.founder .bio h3{font-family:var(--serif);font-size:26px;font-weight:800;margin-bottom:4px;color:var(--ink)}
.founder .bio .role{color:var(--zhu);font-size:16px;font-weight:600;margin-bottom:18px}
.founder .bio p{color:var(--muted);font-size:16.5px;line-height:1.85;margin-bottom:14px}
.founder .bio .tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.founder .bio .tags i{font-style:normal;font-size:15.5px;color:var(--muted);padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.5)}

/* ---------- CTA footer ---------- */
.cta-banner{position:relative;border-radius:28px;padding:60px 40px;text-align:center;overflow:hidden;
  border:1px solid var(--line2);background:radial-gradient(420px 200px at 50% -10%,rgba(168,52,42,.10),transparent 70%),rgba(255,255,255,.6)}
.cta-banner h2{font-family:var(--serif);font-size:clamp(26px,3.6vw,40px);font-weight:850;letter-spacing:-.01em;color:var(--ink)}
.cta-banner p{color:var(--muted);margin:16px auto 30px;max-width:560px;font-size:16.5px;line-height:1.8}
footer{border-top:1px solid var(--line);padding:46px 0 60px;margin-top:90px}
.foot{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot .col h4{font-size:15px;color:var(--ink);margin-bottom:14px;font-weight:700}
.foot .col a,.foot .col span{display:block;color:var(--dim);font-size:16.5px;margin-bottom:9px;transition:color .25s}
.foot .col a:hover{color:var(--zhu)}
.foot .brand{max-width:300px}
.foot .brand p{color:var(--dim);font-size:15.5px;line-height:1.8;margin-top:14px}
.foot .brand .logo .mk{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;margin:0;
  background:var(--zhu);color:#FDF6EC;font-family:var(--kai);font-size:21px;font-weight:700;
  box-shadow:0 6px 18px rgba(168,52,42,.35)}
.foot .brand .logo>span:last-child{display:block;color:var(--ink);font-size:17px;font-weight:800;margin:0;letter-spacing:.02em}
.foot .brand .logo small{display:block;color:var(--dim);font-size:12.5px;letter-spacing:.26em;margin-top:3px;font-weight:600}
.copy{text-align:center;color:var(--dim);font-size:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

@keyframes sealfloat{0%,100%{transform:rotate(-5deg)}50%{transform:rotate(-2deg) translateY(-3px)}}
.seal-badge{position:absolute;right:24px;top:22px;width:58px;height:58px;border-radius:13px;background:var(--zhu);
  color:#FDF6EC;font-family:var(--kai);font-size:30px;font-weight:700;display:grid;place-items:center;
  transform:rotate(-5deg);box-shadow:0 10px 26px rgba(168,52,42,.4);animation:sealfloat 6s ease-in-out infinite;z-index:3}

/* 回到顶部：新中式如意祥云（与智能体白泽成对，避免两个吉祥物重复） */
/* 与智能体白泽头像同尺寸、同 right，保证两个吉祥物在同一竖直线上对齐 */
.to-top{position:fixed;right:24px;bottom:26px;z-index:80;width:64px;height:64px;border-radius:50%;border:none;
  padding:0;cursor:pointer;background:radial-gradient(circle at 50% 30%,#2A4C43,#132B26 78%);
  box-shadow:0 14px 34px rgba(16,40,40,.42),0 0 0 1px rgba(176,132,54,.55),0 0 0 6px rgba(176,132,54,.10);
  display:grid;place-items:center;opacity:0;transform:translateY(22px) scale(.8);pointer-events:none;
  transition:opacity .4s,transform .45s cubic-bezier(.2,.8,.3,1.2)}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top .cloud-ico{width:52px;height:52px;display:block;overflow:visible;
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.4));transition:transform .38s cubic-bezier(.34,1.4,.64,1)}
/* 白光扫描（flash） */
.to-top::after{content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;opacity:0;
  background:conic-gradient(from 0deg,transparent 0 55%,rgba(255,248,225,.95) 72%,transparent 84%);
  -webkit-mask:radial-gradient(circle,transparent 0 66%,#000 68% 84%,transparent 86%);
          mask:radial-gradient(circle,transparent 0 66%,#000 68% 84%,transparent 86%)}
.to-top:hover::after{opacity:1;animation:flash 1.1s linear infinite}
@keyframes flash{to{transform:rotate(360deg)}}
.to-top:hover{box-shadow:0 18px 42px rgba(16,40,40,.5),0 0 0 1px rgba(200,158,74,.9),0 0 26px rgba(200,158,74,.55),0 0 0 9px rgba(176,132,54,.14)}
.to-top:hover .cloud-ico{transform:scale(1.08) translateY(-3px)}
.to-top:active .cloud-ico{transform:scale(.94) translateY(1px)}
.to-top .tip{position:absolute;right:78px;top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;
  font-size:13.5px;font-weight:600;color:#FDF6EC;background:rgba(28,42,48,.92);padding:7px 13px;border-radius:8px;
  opacity:0;pointer-events:none;transition:.28s}
.to-top:hover .tip{opacity:1;transform:translateY(-50%)}
/* 跳跃提示 */
.to-top.show{animation:nudge 5s ease-in-out 3s 3}
@keyframes nudge{0%,88%,100%{transform:none}92%{transform:translateY(-7px)}96%{transform:translateY(0)}}

@media(max-width:1180px){
  .navlinks{gap:14px;font-size:14px}
}
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px;text-align:center}
  .hero-copy{text-align:center}
  .hero .cta,.hero-badges{justify-content:center}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-art{min-height:auto;order:-1;margin-bottom:6px}
  .stage-wrap{width:min(340px,80%)}
  .hero-art .seal{right:-2%;bottom:8%;width:52px;height:52px;font-size:26px;border-radius:10px}
  .stage-cap{margin-top:18px;font-size:14.5px;letter-spacing:.28em}
  .stats{grid-template-columns:repeat(3,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:repeat(2,1fr)}
  .founder{grid-template-columns:1fr;text-align:center;justify-items:center}
  .founder .bio .tags{justify-content:center}
}
@media(max-width:720px){
  .navlinks,.nav .btn{display:none}
  .burger{display:block;margin-left:auto;font-size:24px;background:none;border:none;color:var(--ink)}
  .section{padding:64px 0}
  .g3,.g2{grid-template-columns:1fr}
  .card.span{grid-column:span 1}
  .stats{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:1fr}
  .founder{padding:30px}
  .hero{padding:70px 0 40px}
  .agent-launch{right:15px;bottom:80px;width:58px;height:58px}
  .to-top{right:15px;bottom:18px;width:58px;height:58px}
  .to-top .cloud-ico{width:48px;height:48px}
  .to-top .tip{display:none}
  .hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:28px}
  .hb{flex-direction:column;gap:5px;padding:12px 6px;text-align:center}
  .hb b{font-size:20px}
  .hb span{font-size:13px;letter-spacing:0}
}
/* Spark-Genie 命名释义 */
.sg-legend{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px}
.sg-col{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.74),rgba(244,238,226,.5));border:1px solid var(--line);border-radius:18px;padding:24px 22px;box-shadow:0 18px 42px rgba(28,42,48,.06)}
.sg-col::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%}
.sg-col.spark::before{background:linear-gradient(90deg,var(--dai),rgba(47,110,98,0) 72%)}
.sg-col.genie::before{background:linear-gradient(90deg,var(--zhu),rgba(168,52,42,0) 72%)}
.sg-col h3{font-family:var(--kai);font-size:20px;letter-spacing:.04em;margin-bottom:5px}
.sg-col .sub{color:var(--dim);font-size:14.5px;letter-spacing:.02em;margin-bottom:18px}
.sg-col.spark h3{color:var(--dai)}
.sg-col.genie h3{color:var(--zhu)}
.sg-letters{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.sg-letter{text-align:center;padding:15px 4px 13px;border-radius:12px;background:rgba(255,255,255,.62);border:1px solid var(--line);transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s}
.sg-letter:hover{transform:translateY(-5px);box-shadow:0 14px 26px rgba(28,42,48,.14)}
.sg-letter .L{font-family:var(--display);font-weight:800;font-size:27px;line-height:1}
.sg-col.spark .sg-letter .L{color:var(--dai)}
.sg-col.genie .sg-letter .L{color:var(--zhu)}
.sg-letter .en{display:block;font-size:13.5px;letter-spacing:.02em;color:var(--ink);margin-top:8px;font-weight:700}
.sg-letter .cn{display:block;font-size:15px;color:var(--muted);margin-top:3px;font-weight:500}

@media(max-width:980px){
  .sg-legend{grid-template-columns:1fr}
}
@media(max-width:720px){
  .sg-col{padding:20px 14px}
  .sg-col .sub{font-size:13px;letter-spacing:0;line-height:1.7}
  .sg-letters{gap:6px}
  .sg-letter{padding:11px 1px 9px}
  .sg-letter .L{font-size:21px}
  .sg-letter .en{font-size:10.5px;letter-spacing:0;margin-top:7px}
  .sg-letter .cn{font-size:12.5px;margin-top:2px}
}

/* ================================================================
   EDITORIAL LAYOUT · 非首屏区块重构（参考 opcspark.net 的张力与结构化）
   原则：极简编号标签 / 超大标题 / 非对称双栏 / 发丝线网格 / 全幅色块
   ================================================================ */
:root{
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --tint:#E9E0CC;
  --ink2:#142327;
  --cream:#EDE6D6;
  --gold2:#E8C77E;
}

/* ---------- 区块节奏 ---------- */
.section{padding:112px 0}
.band{position:relative;padding:118px 0;overflow:hidden}
.band-dark{
  background:
    radial-gradient(900px 520px at 88% -6%,rgba(47,110,98,.30),transparent 62%),
    radial-gradient(720px 440px at 2% 104%,rgba(168,52,42,.15),transparent 60%),
    var(--ink2);
  color:var(--cream)
}
.band-tint{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#EEE6D5 0%,#E7DDC9 100%)
}
.band-stats{padding:86px 0}

/* ---------- 编辑式区块头 ---------- */
.sec-head{display:grid;grid-template-columns:1.3fr .7fr;column-gap:56px;row-gap:20px;align-items:end;margin-bottom:58px}
.sec-eyebrow{
  grid-column:1/-1;display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:14.5px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--gold);font-weight:600
}
.sec-eyebrow i{font-style:normal;color:var(--zhu);font-weight:700;letter-spacing:.06em}
.sec-eyebrow::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line2),transparent 46%)}
.sec-title{
  font-family:var(--serif);font-size:clamp(34px,5vw,66px);font-weight:850;
  line-height:1.08;letter-spacing:-.02em;color:var(--ink);margin:0
}
.sec-title em{font-style:normal;color:var(--qing)}
.sec-desc{
  font-size:16.5px;line-height:1.9;color:var(--muted);
  padding-bottom:10px;max-width:370px;justify-self:end
}
.band-dark .sec-title{color:#F3ECDC}
.band-dark .sec-title em{color:var(--gold2)}
.band-dark .sec-desc{color:rgba(237,230,214,.66)}
.band-dark .sec-eyebrow{color:rgba(200,158,74,.94)}
.band-dark .sec-eyebrow i{color:#E0A08F}
.band-dark .sec-eyebrow::after{background:linear-gradient(90deg,rgba(237,230,214,.2),transparent 46%)}

/* ---------- 发丝线网格 ---------- */
.hairgrid{display:grid;border-top:1px solid var(--line2);margin-top:4px}
.hairgrid.g3{grid-template-columns:repeat(3,1fr)}
.hairgrid.g2{grid-template-columns:repeat(2,1fr)}
.hairgrid.g4{grid-template-columns:repeat(4,1fr)}
.hcell{
  position:relative;padding:30px 28px 34px;
  border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  transition:background .35s
}
.hairgrid.g3 .hcell:nth-child(3n){border-right:0}
.hairgrid.g2 .hcell:nth-child(2n){border-right:0}
.hairgrid.g4 .hcell:nth-child(4n){border-right:0}
.hcell .num{
  display:block;font-family:var(--mono);font-size:13px;letter-spacing:.2em;
  color:var(--gold);margin-bottom:18px;font-weight:600
}
.hcell h3{font-family:var(--serif);font-size:19px;font-weight:800;color:var(--ink);line-height:1.42;margin-bottom:10px}
.hcell p{font-size:16px;line-height:1.82;color:var(--muted)}
.hcell .tagline{
  display:inline-block;margin-top:18px;font-family:var(--mono);font-size:13px;
  letter-spacing:.1em;color:var(--qing);border-bottom:1px solid rgba(47,110,98,.38);padding-bottom:3px
}
.hcell:hover{background:rgba(255,255,255,.36)}
.hcell.wide{
  grid-column:1/-1;border-right:0!important;
  display:grid;grid-template-columns:1fr 1fr;column-gap:46px;row-gap:0;align-items:start;
  padding-top:36px;padding-bottom:40px
}
.hcell.wide .num{grid-column:1/-1;margin-bottom:16px}
.hcell.wide h3{margin:0}
.hcell.wide p{margin:0;font-size:15px;line-height:1.85}
.hcell.wide .tagline{grid-column:1/-1;justify-self:start;margin-top:20px}

/* 深色带内的网格 */
.band-dark .hairgrid{border-top-color:rgba(237,230,214,.22)}
.band-dark .hcell{border-color:rgba(237,230,214,.14)}
.band-dark .hcell h3{color:#F3ECDC}
.band-dark .hcell p{color:rgba(237,230,214,.62)}
.band-dark .hcell .num{color:rgba(200,158,74,.9)}
.band-dark .hcell .tagline{color:var(--gold2);border-bottom-color:rgba(232,199,126,.36)}
.band-dark .hcell:hover{background:rgba(255,255,255,.035)}

/* 浅色带内的网格 */
.band-tint .hcell:hover{background:rgba(255,255,255,.44)}

/* ---------- 数据带 ---------- */
.bigstats{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid rgba(237,230,214,.18);margin-top:2px}
.bstat{padding:30px 20px 8px;border-right:1px solid rgba(237,230,214,.13)}
.bstat:last-child{border-right:0}
.bstat b{
  display:block;font-family:var(--serif);font-size:clamp(36px,3.9vw,58px);font-weight:850;
  line-height:1;color:var(--gold2);letter-spacing:-.02em
}
.bstat span{display:block;margin-top:15px;font-size:15px;letter-spacing:.1em;color:rgba(237,230,214,.56)}

/* ---------- 命名释义 ---------- */
.sg-panels{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line2)}
.sg-panel{padding:36px 32px 42px;border-right:1px solid var(--line);position:relative}
.sg-panel:last-child{border-right:0}
.sg-panel .ph{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
.sg-panel h3{font-family:var(--kai);font-size:23px;letter-spacing:.05em;color:var(--qing);font-weight:700}
.sg-panel.genie h3{color:var(--zhu)}
.sg-panel .en-caps{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--dim)}
.sg-panel .chain{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--dim);margin:10px 0 30px}
.sg-letters{display:grid;grid-template-columns:repeat(5,1fr)}
.sg-letter{
  position:relative;padding:0 11px;min-width:0;
  border:0!important;border-left:1px solid var(--line)!important;
  background:none!important;border-radius:0!important;text-align:left;box-shadow:none!important;
  transition:none!important
}
.sg-letter:first-child{border-left:0!important;padding-left:0}
.sg-letter:hover{transform:none!important;box-shadow:none!important}
.sg-letter .L{
  display:block;font-family:var(--serif);font-size:clamp(30px,3.4vw,44px);font-weight:850;
  line-height:1;color:var(--qing);letter-spacing:-.02em
}
.sg-panel.genie .sg-letter .L{color:var(--zhu)}
.sg-letter .en{
  display:block;font-family:var(--mono);font-size:12px;letter-spacing:.01em;
  color:var(--ink);margin-top:13px;font-weight:600;word-break:break-word
}
.sg-letter .cn{display:block;font-size:14px;color:var(--muted);margin-top:5px}

/* ---------- 平台矩阵：非对称暗色卡片 ---------- */
.plat-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:1px;background:var(--line);margin-top:4px}
.pcard{
  background:var(--ink2);padding:30px 30px 32px;display:flex;flex-direction:column;
  min-height:212px;position:relative;overflow:hidden;transition:background .35s
}
.pcard:hover{background:#1b3237}
.pcard.big{grid-row:span 2;min-height:446px}
.pcard .lab{font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;color:rgba(200,158,74,.86);margin-bottom:auto}
.pcard h3{font-family:var(--serif);font-size:21px;font-weight:800;color:#F2EAD9;line-height:1.38;margin-top:28px}
.pcard.big h3{font-size:clamp(24px,2.5vw,33px);line-height:1.3}
.pcard>*{position:relative;z-index:1}
.pcard.big::before{
  content:"OPC";position:absolute;right:-14px;top:2px;z-index:0;
  font-family:var(--serif);font-size:168px;font-weight:850;line-height:.9;
  color:rgba(237,230,214,.055);letter-spacing:-.05em;pointer-events:none
}
.pcard.big::after{
  content:"";position:absolute;left:-90px;top:-90px;width:340px;height:340px;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(47,110,98,.32),transparent 68%);pointer-events:none
}
.pcard p{font-size:15.5px;line-height:1.8;color:rgba(237,230,214,.6);margin-top:10px}
.pcard .val{
  font-size:16px;line-height:1.72;color:rgba(237,230,214,.8);
  margin-top:16px;padding-top:15px;border-top:1px solid rgba(237,230,214,.14)
}
.pcard .val b{color:var(--gold2);font-weight:700}

/* ---------- 客户墙 ---------- */
.clientwall{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line2)}
.cclient{
  padding:26px 24px 28px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  display:flex;gap:16px;align-items:flex-start;transition:background .35s
}
.cclient:nth-child(4n){border-right:0}
.cclient .ci{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;background:var(--zhu);
  color:#FDF6EC;font-family:var(--kai);font-size:19px;font-weight:700;
  transition:transform .35s cubic-bezier(.2,.8,.3,1.2)
}
.cclient:hover .ci{transform:rotate(-4deg) scale(1.07)}
.cclient b{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.48}
.cclient span{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--dim);margin-top:6px}
.cclient:hover{background:rgba(255,255,255,.44)}

/* ---------- 关于：非对称创始人布局 ---------- */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:66px;align-items:start}
.about-copy .sec-title{margin-bottom:26px}
.about-copy p{font-size:16.5px;line-height:1.95;color:var(--muted);margin-bottom:16px;max-width:520px}
.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.about-tags i{
  font-style:normal;font-family:var(--mono);font-size:15px;letter-spacing:.05em;
  color:var(--muted);border:1px solid var(--line);padding:7px 12px
}
.founders{display:flex;flex-direction:column;gap:30px}
.founders-head{display:flex;align-items:baseline;gap:12px;margin-bottom:2px}
.founders-head span{font-family:var(--kai);font-size:17px;letter-spacing:.12em;color:var(--ink)}
.founders-head i{font-style:normal;font-family:var(--mono);font-size:14px;letter-spacing:.2em;color:var(--zhu)}
.founder-card{border-top:1px solid var(--line2);padding-top:30px}
.founder-card .top{display:flex;gap:26px;align-items:center;margin-bottom:26px}
.founder-card .avatar{
  width:120px;height:120px;flex:0 0 120px;border:1px solid var(--line2);
  display:grid;place-items:center;position:relative;overflow:hidden;
  background:radial-gradient(circle at 50% 28%,rgba(47,110,98,.18),transparent 72%)
}
.founder-card .avatar img{width:90%;filter:drop-shadow(0 12px 26px rgba(40,30,20,.26))}
.founder-card .f-badge,.founder-card .cof-badge{display:inline-block;font-family:var(--mono);font-size:15px;letter-spacing:.12em;padding:6px 13px;border-radius:999px;margin-bottom:20px}
.founder-card .f-badge{color:var(--qing);background:rgba(47,110,98,.12);border:1px solid rgba(47,110,98,.3)}
.founder-card .cof-badge{color:var(--zhu);background:rgba(178,58,49,.1);border:1px solid rgba(178,58,49,.28)}
.founder-card .name{font-family:var(--serif);font-size:30px;font-weight:800;color:var(--ink);line-height:1.2}
.founder-card .role{font-family:var(--mono);font-size:15px;letter-spacing:.1em;color:var(--zhu);margin-top:9px;line-height:1.7}
.founder-card .quote{
  font-family:var(--kai);font-size:17px;line-height:1.95;color:var(--ink);
  padding:20px 0 0;border-top:1px solid var(--line)
}
.founder-card .stat-row{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);margin-top:24px;padding-top:24px;gap:18px 14px}
.founder-card .stat-row b{display:block;font-family:var(--serif);font-size:30px;font-weight:850;color:var(--qing);line-height:1}
.founder-card .stat-row span{display:block;font-size:15.5px;color:var(--dim);margin-top:8px;line-height:1.5}

/* ---------- 联系：暗色 + 二维码位 ---------- */
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:66px;align-items:start}
.contact-lines{margin-top:38px;border-top:1px solid rgba(237,230,214,.18)}
.contact-lines .cl{display:flex;gap:22px;align-items:baseline;padding:17px 0;border-bottom:1px solid rgba(237,230,214,.13)}
.contact-lines .cl span{flex:0 0 96px;font-family:var(--mono);font-size:15px;letter-spacing:.16em;color:rgba(237,230,214,.46)}
.contact-lines .cl b,.contact-lines .cl a{font-size:16.5px;color:#F2EAD9;font-weight:600}
.contact-lines .cl a:hover{color:var(--gold2)}
.contact-lines .cl small{display:block;font-size:14px;font-weight:400;color:rgba(237,230,214,.4);margin-top:3px}
.contact-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.contact-cta .btn-primary{background:#C9A25A;color:#142327;box-shadow:none}
.contact-cta .btn-primary:hover{transform:translateY(-2px);background:#D9B36B;box-shadow:0 12px 28px rgba(0,0,0,.35)}
.contact-cta .btn-ghost{background:transparent;border-color:rgba(237,230,214,.3);color:#EDE6D6}
.contact-cta .btn-ghost:hover{border-color:var(--gold2);color:var(--gold2);background:rgba(255,255,255,.04)}
.qr-block{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qr{text-align:center}
.qr-slot{
  aspect-ratio:1;border:1px dashed rgba(237,230,214,.34);display:grid;place-items:center;
  background:rgba(255,255,255,.03);position:relative;overflow:hidden
}
.qr-slot img{width:100%;height:100%;object-fit:cover;display:block}
.qr-slot .ph{font-size:14.5px;line-height:2;color:rgba(237,230,214,.42);letter-spacing:.14em}
.qr-slot .ph em{display:block;font-style:normal;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:rgba(200,158,74,.62);margin-top:4px}
.qr .cap{display:block;margin-top:13px;font-family:var(--mono);font-size:12.5px;letter-spacing:.2em;color:rgba(237,230,214,.56)}

/* 页脚与暗色带衔接 */
footer{margin-top:0;padding:52px 0 64px}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .sec-head{grid-template-columns:1fr;row-gap:16px;margin-bottom:44px}
  .sec-desc{justify-self:start;max-width:600px;padding-bottom:0}
  .hairgrid.g3,.hairgrid.g4{grid-template-columns:repeat(2,1fr)}
  .hairgrid.g3 .hcell:nth-child(3n){border-right:1px solid var(--line)}
  .hairgrid.g3 .hcell:nth-child(2n),
  .hairgrid.g4 .hcell:nth-child(2n){border-right:0}
  .hcell.wide{grid-template-columns:1fr;row-gap:12px}
  .hcell.wide .tagline{margin-top:8px}
  .bigstats{grid-template-columns:repeat(3,1fr)}
  .bstat{padding-bottom:26px;border-bottom:1px solid rgba(237,230,214,.13)}
  .bstat:nth-child(3n){border-right:0}
  .sg-panels{grid-template-columns:1fr}
  .sg-panel{border-right:0;border-bottom:1px solid var(--line)}
  .sg-panel:last-child{border-bottom:0}
  .plat-grid{grid-template-columns:1fr}
  .pcard.big{grid-row:auto;min-height:270px}
  .clientwall{grid-template-columns:repeat(2,1fr)}
  .cclient:nth-child(4n){border-right:1px solid var(--line)}
  .cclient:nth-child(2n){border-right:0}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:46px}
}
@media(max-width:720px){
  .section,.band{padding:68px 0}
  .band-stats{padding:56px 0}
  .sec-head{margin-bottom:34px;row-gap:12px}
  .sec-title{letter-spacing:-.01em}
  .hairgrid.g3,.hairgrid.g4,.hairgrid.g2{grid-template-columns:1fr}
  .hairgrid .hcell{border-right:0!important;padding:26px 4px 28px}
  .hcell.wide{padding:30px 4px 32px}
  .bigstats{grid-template-columns:repeat(2,1fr)}
  .bstat{padding:24px 12px 6px}
  .bstat:nth-child(3n){border-right:1px solid rgba(237,230,214,.13)}
  .bstat:nth-child(2n){border-right:0}
  .sg-panel{padding:28px 4px 32px}
  .sg-letter{padding:0 7px}
  .sg-letter .L{font-size:28px}
  .sg-letter .en{font-size:8.5px;letter-spacing:0;margin-top:10px}
  .sg-letter .cn{font-size:11px}
  .pcard{padding:26px 22px 28px;min-height:190px}
  .clientwall{grid-template-columns:1fr}
  .cclient{border-right:0!important;padding:22px 4px 24px}
  .about-copy p{max-width:none}
  .founder-card .avatar{width:104px;height:104px;flex-basis:104px}
  .founder-card .name{font-size:26px}
  .contact-lines .cl{flex-direction:column;gap:5px}
  .contact-lines .cl span{flex:none}
  .qr-block{gap:14px}
  .qr .cap{font-size:11.5px;letter-spacing:.14em}
}


/* ================================================================
   TECH STACK · 技术栈横向浏览 + 智能体对话框
   ================================================================ */
.tech-filter{display:flex;gap:10px;margin-bottom:30px;flex-wrap:wrap}
.tf{font-family:var(--mono);font-size:14.5px;letter-spacing:.04em;padding:9px 18px;border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:999px;cursor:pointer;transition:.25s}
.tf:hover{border-color:var(--qing);color:var(--qing)}
.tf.active{background:var(--ink2);color:var(--cream);border-color:var(--ink2)}
.tech-wrap{position:relative}
.tech-strip{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.tech-strip::-webkit-scrollbar{height:8px}
.tech-strip::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}
.tcard{flex:0 0 286px;scroll-snap-align:start;background:linear-gradient(180deg,rgba(255,255,255,.6),rgba(244,238,226,.32));border:1px solid var(--line);border-radius:18px;padding:26px 24px 24px;display:flex;flex-direction:column;position:relative;transition:transform .3s,box-shadow .3s,border-color .3s}
.tcard:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(28,42,48,.1);border-color:rgba(47,110,98,.4)}
.tcard.sel{border-color:var(--zhu);box-shadow:0 0 0 2px rgba(168,52,42,.18)}
.ticon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:28px;background:radial-gradient(circle at 40% 30%,rgba(47,110,98,.18),rgba(244,238,226,.5));border:1px solid var(--line);margin-bottom:18px}
.tcat{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--gold);margin-bottom:8px}
.tcard h3{font-family:var(--serif);font-size:20px;font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:10px}
.tcard p{font-size:15.5px;line-height:1.78;color:var(--muted);flex:1}
.tmeta{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--dim);margin:16px 0 16px;padding-top:14px;border-top:1px solid var(--line)}
.tcall{align-self:flex-start;margin-top:auto;font-family:var(--mono);font-size:14px;letter-spacing:.04em;color:var(--zhu);background:none;border:1px solid rgba(168,52,42,.4);padding:8px 14px;border-radius:999px;cursor:pointer;transition:.25s}
.tcall:hover{background:var(--zhu);color:#FDF6EC}
.tech-arrow{position:absolute;top:46%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.85);color:var(--ink);font-size:22px;cursor:pointer;z-index:3;display:grid;place-items:center;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.tech-arrow.left{left:-14px}
.tech-arrow.right{right:-14px}
.tech-hint{margin-top:6px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--dim);text-align:center}
.tcard.hide{display:none}
@media(max-width:980px){.tech-arrow{display:none}.tcard{flex-basis:240px}}

/* ---------- 智能体对话框 ---------- */
.agent-launch{position:fixed;right:24px;bottom:104px;width:64px;height:64px;border-radius:50%;background:url('/baize-cute.png') no-repeat center/100% 100%,radial-gradient(circle at 50% 34%,#2A4C43,#132B26);color:#fff;display:grid;place-items:center;cursor:grab;z-index:63;border:2px solid rgba(201,168,106,.62);overflow:visible;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 14px 30px rgba(19,43,38,.44),0 0 0 4px rgba(247,242,230,.42),inset 0 0 0 1px rgba(255,255,255,.10);transition:box-shadow .25s ease,transform .3s cubic-bezier(.34,1.56,.64,1),background-size .3s ease}
.agent-launch:hover{box-shadow:0 16px 34px rgba(19,43,38,.5),0 0 0 4px rgba(201,168,106,.55),inset 0 0 0 1px rgba(255,255,255,.14);background-size:106% 106%,auto}
.agent-launch:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,168,106,.75),0 0 0 7px rgba(201,168,106,.28)}
.agent-launch.is-dragging{cursor:grabbing;transition:none}
.agent-launch.is-pulled{border-color:rgba(232,199,126,.95);box-shadow:0 18px 40px rgba(19,43,38,.55),0 0 0 5px rgba(232,199,126,.35)}
.agent-launch.is-snap{animation:alSnap .46s cubic-bezier(.34,1.56,.64,1)}
@keyframes alSnap{0%{transform:translateY(0) scale(1)}38%{transform:translateY(-9px) scale(1.07)}72%{transform:translateY(2px) scale(.98)}100%{transform:translateY(0) scale(1)}}
.agent-launch .al-hint{position:absolute;left:50%;bottom:calc(100% + 11px);transform:translate(-50%,7px);padding:5px 11px;border-radius:20px;background:rgba(19,43,38,.94);color:#F4EDDD;font-size:13.5px;line-height:1.2;letter-spacing:.03em;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;box-shadow:0 6px 18px rgba(0,0,0,.28)}
.agent-launch.is-pulled .al-hint{opacity:1;transform:translate(-50%,0)}
.agent-panel{position:fixed;right:22px;bottom:104px;width:min(400px,93vw);height:min(680px,82vh);background:linear-gradient(180deg,#172a2e,#102024);color:var(--cream);border:1px solid rgba(237,230,214,.16);border-radius:20px;box-shadow:0 26px 70px rgba(0,0,0,.5);z-index:64;display:none;flex-direction:column;overflow:hidden}
.agent-panel.open{display:flex;animation:apIn .25s ease}
@keyframes apIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.ap-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(237,230,214,.12);background:rgba(255,255,255,.03)}
.ap-id{display:flex;gap:12px;align-items:center}
.ap-ava{width:38px;height:38px;border-radius:11px;background:var(--zhu);display:grid;place-items:center;font-family:var(--kai);font-size:20px;color:#FDF6EC;font-weight:700}
.ap-id b{display:block;font-size:16px;color:#F3ECDC;font-family:var(--serif);font-weight:800}
.ap-id small{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:rgba(237,230,214,.5);margin-top:2px}
.ap-tools{display:flex;gap:6px}
.ap-tools button{background:none;border:none;color:rgba(237,230,214,.7);font-size:18px;cursor:pointer;padding:4px 6px;border-radius:8px}
.ap-tools button:hover{background:rgba(255,255,255,.08);color:#fff}
.ap-agent{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--gold2);padding:10px 18px;border-bottom:1px solid rgba(237,230,214,.1);display:none}
.ap-agent.show{display:block}
.ap-msgs{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px}
.ap-msgs::-webkit-scrollbar{width:7px}.ap-msgs::-webkit-scrollbar-thumb{background:rgba(237,230,214,.18);border-radius:8px}
.msg{display:flex;gap:10px;max-width:92%}
.msg .m-ava{width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;font-family:var(--kai);font-size:16px;font-weight:700}
.msg.bot .m-ava{background:var(--zhu);color:#FDF6EC}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .m-ava{background:rgba(237,230,214,.18);color:#F3ECDC}
.m-bub{background:rgba(255,255,255,.06);border:1px solid rgba(237,230,214,.1);border-radius:14px;padding:11px 14px;font-size:16px;line-height:1.75;color:#EFE7D7;white-space:pre-wrap;word-break:break-word}
.msg.user .m-bub{background:rgba(47,110,98,.5);border-color:rgba(47,110,98,.6);color:#F3ECDC}
.m-file{display:inline-flex;align-items:center;gap:6px;margin:4px 0;font-family:var(--mono);font-size:13.5px;color:var(--gold2);background:rgba(0,0,0,.2);padding:5px 9px;border-radius:8px}
.m-file img{max-width:140px;border-radius:8px;display:block;margin-top:4px}
.ap-attach{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 10px}
.ap-attach:empty{display:none}
.at-chip{display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.07);border:1px solid rgba(237,230,214,.14);border-radius:10px;padding:6px 10px;font-size:13.5px;color:#EDE6D6;max-width:180px}
.at-chip .x{cursor:pointer;color:rgba(237,230,214,.5);margin-left:2px;font-weight:700}
.at-chip img{width:30px;height:30px;border-radius:6px;object-fit:cover}
.at-chip .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ap-compose{display:flex;align-items:flex-end;gap:8px;padding:12px 14px;border-top:1px solid rgba(237,230,214,.12);background:rgba(0,0,0,.18)}
#apFile{background:none;border:none;color:rgba(237,230,214,.7);font-size:20px;cursor:pointer;padding:6px}
#apFileInput{display:none!important}
#apInput{flex:1;resize:none;background:rgba(255,255,255,.06);border:1px solid rgba(237,230,214,.16);border-radius:12px;color:#F3ECDC;padding:10px 12px;font-size:16px;line-height:1.5;max-height:120px;font-family:inherit}
#apInput::placeholder{color:rgba(237,230,214,.4)}
#apInput:focus{outline:none;border-color:var(--gold2)}
.ap-send{background:var(--gold2);color:#102024;border:none;border-radius:12px;padding:10px 16px;font-weight:700;cursor:pointer;font-size:15px}
.ap-send:hover{filter:brightness(1.06)}
.ap-modal{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:70;display:none;align-items:center;justify-content:center;padding:20px}
.ap-modal.open{display:flex}
.ap-modal-box{background:#15282c;border:1px solid rgba(237,230,214,.16);border-radius:18px;padding:26px;width:min(420px,94vw);color:#EDE6D6}
.ap-modal-box h3{font-family:var(--serif);font-size:20px;color:#F3ECDC;margin-bottom:18px}
.ap-modal-box label{display:block;font-size:14px;color:rgba(237,230,214,.7);margin:14px 0 6px}
.ap-modal-box label small{color:rgba(237,230,214,.45);font-size:12px}
.ap-modal-box input[type=password],.ap-modal-box select{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(237,230,214,.18);border-radius:10px;color:#F3ECDC;padding:10px 12px;font-size:15px}
.ap-modal-box .ck{display:flex;gap:8px;align-items:center;font-size:14px;color:rgba(237,230,214,.8);margin-top:16px}
.ap-modal-btns{display:flex;gap:10px;margin-top:22px}
.ap-note{font-size:13.5px;color:rgba(237,230,214,.45);margin-top:14px;line-height:1.6}
.typing{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold2);margin:0 2px;animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:.2}50%{opacity:1}}
@media(max-width:520px){.agent-panel{right:8px;left:8px;bottom:8px;width:auto;height:86vh}.agent-launch{right:14px;bottom:78px;width:54px;height:54px}.agent-launch .al-hint{font-size:12px;padding:4px 9px}.to-top{right:14px;bottom:16px;width:54px;height:54px}.to-top .cloud-ico{width:44px;height:44px}}