/* ===========================================================
   乾行量化 Qianxing Quantech · 官网样式系统 v2
   由 AI 智能体生成 · 0 行手写代码
   =========================================================== */

:root{
  --navy:#1B1E23;
  --navy-2:#2C3037;
  --navy-deep:#0B0D10;
  --blue:#8C6B2A;
  --blue-soft:#B8B3A8;
  --cyan:#E0B96B;
  --cyan-dim:#A07C33;
  --ink:#1C1E22;
  --ink-2:#55585E;
  --muted:#8B8D93;
  --line:#E6E3DE;
  --bg:#F7F6F3;
  --white:#FFFFFF;
  --mono:"SF Mono","Roboto Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --wrap:1200px;
  --r:22px;
  --r-lg:30px;
  --shadow:0 2px 10px rgba(20,22,26,.05),0 20px 50px rgba(20,22,26,.07);
  --shadow-lift:0 4px 16px rgba(20,22,26,.08),0 36px 80px rgba(20,22,26,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:26px;padding-right:26px}
.narrow{max-width:840px;margin:0 auto}
.center{text-align:center}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 16px;border-radius:8px;z-index:300}

/* ---------- 滚动显现 ---------- */
/* 仅当 JS 可用时才隐藏——否则内容照常显示 */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(247,246,243,.78);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(20,22,26,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{width:32px;height:32px}
.nav-logo .zh{font-size:17px;font-weight:700;color:var(--navy);letter-spacing:1.4px;line-height:1.1}
.nav-logo .en{font-family:var(--mono);font-size:7.5px;font-weight:600;color:var(--muted);letter-spacing:2px;display:block;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 14px;border-radius:100px;font-size:14px;color:var(--ink-2);font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--navy);background:rgba(140,107,42,.09)}
.nav-links a.on{color:var(--navy);font-weight:700;background:rgba(140,107,42,.13)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:40px;height:36px;cursor:pointer;color:var(--navy);font-size:16px;align-items:center;justify-content:center}

/* ---------- 深色区块 ---------- */
.dark{
  position:relative;overflow:hidden;color:#E6E3DC;background:#101317;
}
.dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(880px 500px at 16% -10%,rgba(224,185,107,.14),transparent 62%),
    radial-gradient(760px 460px at 88% 6%,rgba(255,255,255,.05),transparent 60%),
    radial-gradient(900px 620px at 60% 110%,rgba(0,0,0,.5),transparent 66%);
}
.dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:
    repeating-linear-gradient(0deg,rgba(230,225,215,.06) 0 1px,transparent 1px 52px),
    repeating-linear-gradient(90deg,rgba(230,225,215,.06) 0 1px,transparent 1px 52px);
  mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent);
  -webkit-mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent);
}
.dark > *{position:relative;z-index:1}

/* ---------- 排版 ---------- */
.kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:3.4px;text-transform:uppercase;
  font-weight:600;color:var(--blue);margin:0 0 16px;
}
.dark .kicker{color:var(--cyan)}
.display{
  font-size:clamp(36px,6.4vw,74px);line-height:1.08;font-weight:800;letter-spacing:-1.6px;margin:0;
}
h1.title{font-size:clamp(31px,4.8vw,54px);line-height:1.14;font-weight:800;letter-spacing:-1px;margin:0}
h2.title{font-size:clamp(27px,3.9vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.8px;margin:0;color:var(--navy)}
.dark h1,.dark h2{color:#fff}
.grad{background:linear-gradient(96deg,#F0CE86 4%,#E0B96B 50%,#F2E3B8 96%);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:clamp(16px,1.9vw,21px);line-height:1.62;color:var(--ink-2);margin:22px 0 0;font-weight:400}
.dark .sub{color:#ADAAA2}
.mono-line{font-family:var(--mono);font-size:12px;letter-spacing:2.4px;color:#93918A;margin:0 0 20px;text-transform:uppercase}

/* ---------- 区块 ---------- */
.sec{padding:120px 0}
.sec.sm{padding:84px 0}
.sec.white{background:var(--white)}
.sec-head{margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;max-width:760px}

/* ---------- 按钮 ---------- */
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.center .btns{justify-content:center}
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:14px 30px;border-radius:100px;
  font-size:15.5px;font-weight:600;transition:.25s cubic-bezier(.16,1,.3,1);border:1.5px solid transparent;cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--cyan);color:#1F1808}
.btn-primary:hover{background:#F0CE86;box-shadow:0 14px 34px rgba(224,185,107,.3)}
.btn-glass{
  background:rgba(255,255,255,.11);color:#F0EEE8;border-color:rgba(230,225,215,.26);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-glass:hover{background:rgba(255,255,255,.16);border-color:var(--cyan);color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);box-shadow:0 14px 34px rgba(20,22,26,.26)}
.link-arw{font-size:16px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:5px;transition:.2s}
.link-arw:hover{gap:9px}
.dark .link-arw{color:var(--cyan)}

/* ---------- 数字条 ---------- */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:76px;padding-top:44px;border-top:1px solid rgba(127,166,206,.16)}
.stat .n{font-family:var(--mono);font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1;letter-spacing:-1.2px;
  background:linear-gradient(160deg,#F2D79A,#C9A25B);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .n small{font-size:14px;letter-spacing:0;font-weight:600}
.stat .l{font-size:13px;color:#9C9A93;margin-top:11px;line-height:1.6}
.stats-note{font-family:var(--mono);font-size:11.5px;color:#86847D;margin:28px 0 0;letter-spacing:.4px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:32px 28px;box-shadow:var(--shadow);transition:.35s cubic-bezier(.16,1,.3,1);
}
a.card{color:inherit;display:block}
a.card:hover,.card.hov:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift);border-color:rgba(224,185,107,.55)}
.card .idx{font-family:var(--mono);font-size:10.5px;letter-spacing:2.4px;color:var(--blue);font-weight:700;margin-bottom:14px}
.card h3{font-size:20px;margin:0 0 10px;color:var(--navy);font-weight:700;line-height:1.36;letter-spacing:-.3px}
.card p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.72}
.card .go{display:inline-block;margin-top:18px;font-size:14px;font-weight:600;color:var(--blue)}

/* 玻璃卡（深色底） */
.glass{
  background:rgba(255,255,255,.055);border:1px solid rgba(174,205,234,.16);border-radius:var(--r);
  padding:32px 28px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:.35s cubic-bezier(.16,1,.3,1);
}
.glass:hover{background:rgba(255,255,255,.09);border-color:rgba(61,220,196,.4);transform:translateY(-5px)}
.glass h3{font-size:20px;margin:0 0 10px;color:#fff;font-weight:700;letter-spacing:-.3px}
.glass p{font-size:15px;color:#ADAAA2;margin:0;line-height:1.72}
.glass .idx{font-family:var(--mono);font-size:10.5px;letter-spacing:2.4px;color:var(--cyan);font-weight:700;margin-bottom:14px}

/* ---------- 媒体块 ---------- */
.media{
  border-radius:var(--r-lg);overflow:hidden;background:#101317;
  box-shadow:0 30px 70px rgba(20,22,26,.18);border:1px solid rgba(174,205,234,.14);
}
.media img{width:100%;height:auto}
.media.plain{box-shadow:none;border:1px solid var(--line);background:transparent}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .txt{order:2}

/* ---------- 理念对照 ---------- */
.duo{display:grid;grid-template-columns:1fr auto 1fr;gap:34px;align-items:center;margin-top:56px}
.duo-x{font-family:var(--mono);font-size:30px;color:var(--cyan);font-weight:300}
.duo-item{text-align:center}
.duo-item .t{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:-.4px}
.dark .duo-item .t{color:#fff}
.duo-item .d{font-size:15px;color:var(--ink-2);margin-top:10px;line-height:1.7}
.dark .duo-item .d{color:#ADAAA2}

/* ---------- 简列 ---------- */
.ul{list-style:none;padding:0;margin:24px 0 0}
.ul li{position:relative;padding-left:24px;margin-bottom:12px;color:var(--ink-2);line-height:1.72;font-size:15.5px}
.ul li::before{content:"";position:absolute;left:2px;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.ul li strong{color:var(--navy);font-weight:600}
.dark .ul li{color:#ADAAA2}
.dark .ul li strong{color:#fff}
.ul.no li::before{background:#D2694F}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:26px}
.steps li{counter-increment:s;position:relative;padding-left:60px;color:var(--ink-2);line-height:1.72;font-size:15.5px}
.steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-4px;
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--blue);background:#F2EFE7;
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
}
.steps li strong{display:block;color:var(--navy);font-size:18px;margin-bottom:5px;font-weight:700;letter-spacing:-.2px}

/* ---------- 智能体 ---------- */
.agent .top{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-bottom:12px}
.agent .no{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--cyan-dim);line-height:1}
.agent h3{margin:0;font-size:19px;color:var(--navy);font-weight:700}
.agent .slug{font-family:var(--mono);font-size:11.5px;color:var(--muted);background:#F2F0EA;padding:3px 9px;border-radius:6px}
.agent p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.72}

/* ---------- 边界 ---------- */
.bnd{display:grid;gap:20px;grid-template-columns:repeat(3,1fr);margin-top:48px}
.bnd .b{border-radius:var(--r);padding:30px 26px;border:1px solid rgba(174,205,234,.16);background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.bnd h4{font-family:var(--mono);font-size:11.5px;letter-spacing:2px;margin:0 0 16px;text-transform:uppercase;font-weight:700}
.bnd .can h4{color:var(--cyan)}
.bnd .no h4{color:#C77A55}
.bnd .nx h4{color:#D4AF63}
.bnd .ul{margin-top:0}
.bnd .ul li{font-size:14.5px;color:#ADAAA2}
.bnd .can .ul li::before{background:var(--cyan)}
.bnd .no .ul li::before{background:#C77A55}
.bnd .nx .ul li::before{background:#D4AF63}
.bnd .ul li strong{color:#fff}

/* ---------- 公式 ---------- */
.formula{
  background:rgba(0,0,0,.42);border:1px solid rgba(174,205,234,.16);border-radius:var(--r);
  padding:30px;overflow-x:auto;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.formula pre{margin:0;font-family:var(--mono);font-size:13.5px;line-height:2.2;color:#CFCABD;white-space:pre}
.formula .hl{color:var(--cyan)}
.formula .cm{color:#7E7C76}

/* ---------- 团队 ---------- */
.person{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px 40px;box-shadow:var(--shadow)}
.person + .person{margin-top:24px}
.person-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid var(--line)}
.avatar{width:64px;height:64px;border-radius:20px;flex:none;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:26px;font-weight:700;background:linear-gradient(150deg,#A07C33,#24272D);box-shadow:0 10px 24px rgba(20,22,26,.22)}
.person-id h3{font-size:25px;margin:0 0 5px;color:var(--navy);font-weight:800;letter-spacing:.5px}
.person-id .role{font-family:var(--mono);font-size:11.5px;letter-spacing:1.8px;color:var(--blue);font-weight:600}
.person h4{font-family:var(--mono);font-size:11px;letter-spacing:2.4px;color:var(--muted);text-transform:uppercase;margin:32px 0 16px;font-weight:600}
.edu{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.edu li{padding-left:16px;border-left:2px solid var(--line);line-height:1.6}
.edu .sch{font-weight:700;color:var(--navy);font-size:17px;letter-spacing:-.2px}
.edu .rk{display:inline-block;font-family:var(--mono);font-size:10.5px;color:var(--cyan-dim);background:#F6F0E2;
  border:1px solid #E8DAB4;padding:2px 9px;border-radius:100px;margin-left:9px;letter-spacing:.3px;font-weight:600;vertical-align:2px}
.edu .dg{font-size:14.5px;color:var(--ink-2)}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl td{padding:14px 14px 14px 0;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.tbl td:first-child{font-family:var(--mono);color:var(--navy);white-space:nowrap;font-size:13px;font-weight:600;width:104px}
.tbl td strong{color:var(--navy);font-weight:700}
.tbl tr:last-child td{border-bottom:none}
.hl-row{display:grid;gap:18px;grid-template-columns:repeat(3,1fr);margin-top:6px}
.hl-item{background:#F8F7F3;border:1px solid var(--line);border-radius:16px;padding:22px 20px}
.hl-item .ht{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:-.2px}
.hl-item .hb{font-size:14px;color:var(--ink-2);line-height:1.7}
.hl-item .hn{font-size:13.5px;color:var(--navy);line-height:1.65;margin-top:12px;padding-left:12px;border-left:3px solid var(--cyan)}

/* ---------- 澄清条 ---------- */
.clarify{
  border-radius:var(--r-lg);padding:52px 46px;text-align:center;
  background:linear-gradient(150deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(174,205,234,.18);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.clarify h3{color:#fff;font-size:clamp(21px,2.7vw,30px);margin:0 0 16px;font-weight:800;letter-spacing:-.5px}
.clarify p{color:#ADAAA2;margin:0 auto;font-size:16px;line-height:1.8;max-width:44em}
.clarify strong{color:var(--cyan);font-weight:600}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px;max-width:800px;margin-left:auto;margin-right:auto}
.contact .c{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow);text-align:center}
.contact .lb{font-family:var(--mono);font-size:10.5px;letter-spacing:2.4px;color:var(--muted);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.contact .vl{font-size:17px;color:var(--navy);font-weight:700;word-break:break-word;line-height:1.6}
.contact .vl a{color:var(--navy)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B0D10;color:#93918A;padding:60px 0 36px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(174,205,234,.12)}
.foot-nav{display:flex;gap:28px;flex-wrap:wrap}
.foot-nav a{color:#ABA8A0;font-size:14px;transition:.2s}
.foot-nav a:hover{color:var(--cyan)}
.disclaimer{font-size:12.5px;line-height:1.9;color:#7A7872;margin:28px 0 0}
.disclaimer strong{color:#ABA8A0}
.copy{font-size:12px;color:#66645F;margin-top:22px;font-family:var(--mono);letter-spacing:.3px}

/* ---------- AI 徽章 ---------- */
.ai-badge{position:fixed;right:18px;bottom:18px;z-index:250;font-family:var(--mono)}
.ai-badge button{
  background:rgba(16,19,23,.88);color:#DAD7CF;font-size:11.5px;padding:10px 16px;border-radius:100px;
  border:1px solid rgba(230,225,215,.2);cursor:pointer;font-family:var(--mono);letter-spacing:.3px;
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  display:flex;align-items:center;gap:9px;transition:.25s;
}
.ai-badge button:hover{border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
.ai-badge b{color:var(--cyan);font-weight:700}
.ai-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:none;animation:pulse 2.6s ease-in-out infinite}
.ai-badge .txt-short{display:none}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.ai-pop{
  display:none;position:absolute;right:0;bottom:50px;width:320px;
  background:rgba(16,19,23,.96);border:1px solid rgba(230,225,215,.2);border-radius:16px;padding:19px 20px;
  font-size:12.6px;line-height:1.85;color:#B6B3AB;font-family:var(--sans);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 24px 56px rgba(0,0,0,.4);
}
.ai-pop.open{display:block}
.ai-pop b{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.bnd,.hl-row{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:40px}
  .split.rev .txt{order:0}
  .stats{grid-template-columns:repeat(3,1fr);gap:30px}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav-toggle{display:flex}
  .nav{position:relative}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:58px;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(255,255,255,.96);backdrop-filter:blur(20px);border:1px solid var(--line);
    border-radius:16px;padding:10px;box-shadow:var(--shadow-lift);
  }
  .nav-links.open{display:flex}
  .g2,.g4,.contact,.duo{grid-template-columns:1fr}
  .duo-x{transform:rotate(90deg);justify-self:center}
  .stats{grid-template-columns:repeat(2,1fr)}
  .sec{padding:78px 0}
  .sec.sm{padding:60px 0}
  .person{padding:30px 24px}
  .clarify{padding:36px 26px}
  .ai-badge .txt-full{display:none}
  .ai-badge .txt-short{display:inline}
  .ai-pop{width:min(76vw,300px)}
}

/* ---------- 使命三条 ---------- */
.mission{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.mission .m{
  border-radius:var(--r);padding:30px 26px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(230,225,215,.14);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:.35s cubic-bezier(.16,1,.3,1);
}
.mission .m:hover{background:rgba(255,255,255,.1);border-color:rgba(224,185,107,.5);transform:translateY(-4px)}
.mission .m .i{font-family:var(--mono);font-size:11px;letter-spacing:2.6px;color:var(--cyan);font-weight:700;margin-bottom:14px}
.mission .m .t{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.3px}
.mission .m .d{font-size:14.5px;color:#ADAAA2;margin-top:10px;line-height:1.72}

/* ---------- 项目卡 ---------- */
.proj{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 34px;box-shadow:var(--shadow);transition:.35s cubic-bezier(.16,1,.3,1);
}
.proj:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(224,185,107,.5)}
.proj .ph{display:flex;align-items:center;gap:14px;margin-bottom:8px;flex-wrap:wrap}
.proj .pn{font-family:var(--mono);font-size:12px;font-weight:700;color:#1F1808;background:linear-gradient(140deg,#E0B96B,#A07C33);
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex:none}
.proj h3{font-size:22px;margin:0;color:var(--navy);font-weight:800;letter-spacing:-.4px}
.proj .pt{font-family:var(--mono);font-size:11px;letter-spacing:2px;color:var(--muted);text-transform:uppercase}
.proj p{font-size:15.5px;color:var(--ink-2);margin:14px 0 0;line-height:1.78}
.proj .facts{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.proj .f .fv{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--navy);line-height:1.1}
.proj .f .fl{font-size:12.5px;color:var(--muted);margin-top:5px}

/* ---------- 报告范例卡 ---------- */
.rep{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:.35s cubic-bezier(.16,1,.3,1);color:inherit;
}
.rep:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift);border-color:rgba(63,217,190,.5)}
.rep .cover{height:150px;position:relative;overflow:hidden;background:linear-gradient(140deg,#24272D,#101317)}
.rep .cover::after{content:"";position:absolute;inset:0;
  background:
    radial-gradient(400px 200px at 22% 0%,rgba(224,185,107,.22),transparent 62%),
    radial-gradient(340px 190px at 84% 100%,rgba(255,255,255,.06),transparent 60%),
    repeating-linear-gradient(90deg,rgba(230,225,215,.06) 0 1px,transparent 1px 30px)}
.rep .cover .tagi{position:absolute;left:24px;top:22px;z-index:2;font-family:var(--mono);font-size:10.5px;
  letter-spacing:2.4px;color:var(--cyan);font-weight:700}
.rep .cover .dt{position:absolute;right:24px;top:22px;z-index:2;font-family:var(--mono);font-size:11px;color:#9C9A93}
.rep .body{padding:26px 26px 28px}
.rep h3{font-size:19px;margin:0 0 10px;color:var(--navy);font-weight:700;line-height:1.42;letter-spacing:-.3px}
.rep p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.74}
.rep .go{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:var(--blue);font-family:var(--mono)}

/* ---------- 报告页专用 ---------- */
.rp-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.rp-tile{border-radius:var(--r);padding:26px 22px;background:rgba(255,255,255,.06);
  border:1px solid rgba(230,225,215,.14);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.rp-tile .v{font-family:var(--mono);font-size:30px;font-weight:700;line-height:1.05;letter-spacing:-1.2px;
  background:linear-gradient(160deg,#F2D79A,#C9A25B);-webkit-background-clip:text;background-clip:text;color:transparent}
.rp-tile .k{font-size:13px;color:#ADAAA2;margin-top:10px;line-height:1.6}
.rp-tile .s{font-size:11.5px;color:#86847D;margin-top:6px;font-family:var(--mono)}
.rp-table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:26px}
.rp-table th{text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:1.6px;color:var(--muted);
  text-transform:uppercase;font-weight:600;padding:0 16px 12px 0;border-bottom:2px solid var(--line);white-space:nowrap}
.rp-table td{padding:15px 16px 15px 0;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.66}
.rp-table td:first-child{color:var(--navy);font-weight:700;white-space:nowrap}
.rp-table tr:last-child td{border-bottom:none}
.rp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;padding:3px 10px;border-radius:100px;
  letter-spacing:.4px;font-weight:600;white-space:nowrap}
.tag.up{color:#8A6A2A;background:#F6F0E2;border:1px solid #E8DAB4}
.tag.down{color:#B4523B;background:#FCEDE9;border:1px solid #F3CFC5}
.tag.flat{color:#6B6D73;background:#F0EFEC;border:1px solid #DEDBD4}
.rp-note{background:#F7F5EF;border-left:4px solid var(--blue);border-radius:12px;padding:20px 24px;margin-top:30px}
.rp-note p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.rp-note p + p{margin-top:10px}
.toc{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.toc a{font-family:var(--mono);font-size:12.5px;padding:8px 15px;border-radius:100px;
  background:rgba(255,255,255,.08);border:1px solid rgba(230,225,215,.16);color:#E6E3DC;transition:.2s}
.toc a:hover{border-color:var(--cyan);color:#fff;background:rgba(255,255,255,.14)}
.src{font-size:12.5px;color:var(--muted);font-family:var(--mono);margin-top:18px;line-height:1.8}
@media (max-width:1000px){.mission,.rp-tiles{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.mission,.rp-tiles{grid-template-columns:1fr}.proj{padding:26px 22px}}

/* ===================== v3 单页版组件 ===================== */

/* 导航跟随高亮 */
.nav-links a.active{color:var(--navy);font-weight:700;background:rgba(140,107,42,.13)}

/* 页面转场淡入 */
.page-fade{opacity:1;transition:opacity .34s cubic-bezier(.4,0,.2,1)}
.page-fade.leaving{opacity:0}

/* 滚动进度条 */
.scroll-bar{position:fixed;left:0;top:0;height:2px;z-index:300;width:0;
  background:linear-gradient(90deg,#A07C33,#E0B96B);transition:width .12s linear}

/* 锚点偏移 */
section[id]{scroll-margin-top:84px}

/* ---- 盈利引擎卡 ---- */
.engine{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 32px;box-shadow:var(--shadow);transition:.35s cubic-bezier(.16,1,.3,1)}
.engine:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(224,185,107,.5)}
.engine .en{font-family:var(--mono);font-size:10.5px;letter-spacing:2.4px;color:var(--blue);font-weight:700}
.engine h3{font-size:23px;margin:12px 0 12px;color:var(--navy);font-weight:800;letter-spacing:-.4px}
.engine p{font-size:15.5px;color:var(--ink-2);margin:0;line-height:1.78}
.engine .lines{list-style:none;padding:0;margin:20px 0 0;border-top:1px solid var(--line);padding-top:18px}
.engine .lines li{font-size:14.5px;color:var(--ink-2);padding:6px 0 6px 20px;position:relative}
.engine .lines li::before{content:"";position:absolute;left:2px;top:1.05em;width:7px;height:7px;
  border-radius:2px;background:var(--cyan);transform:rotate(45deg)}

/* ---- 流程图（HTML 版，移动端自动纵向）---- */
.flowmap{margin-top:44px}
.fm-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.fm-row + .fm-row{margin-top:14px}
.fm-node{
  border-radius:16px;padding:18px 20px;text-align:center;min-width:0;flex:1;
  background:rgba(255,255,255,.055);border:1px solid rgba(230,225,215,.16);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.fm-node .t{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:-.2px;line-height:1.45}
.fm-node .d{font-size:12.5px;color:#ADAAA2;margin-top:7px;line-height:1.6;font-family:var(--mono)}
.fm-node.lead{background:linear-gradient(150deg,rgba(224,185,107,.2),rgba(224,185,107,.07));
  border-color:rgba(224,185,107,.45);max-width:520px;flex:none;width:100%}
.fm-node.lead .t{font-size:18px}
.fm-node.core{background:rgba(224,185,107,.11);border-color:rgba(224,185,107,.34);max-width:520px;flex:none;width:100%}
.fm-arrow{display:flex;justify-content:center;color:#8C8A82;font-size:15px;margin:10px 0;font-family:var(--mono)}
.fm-cap{text-align:center;font-size:13px;color:var(--muted);font-family:var(--mono);margin-top:24px;letter-spacing:.3px}

/* ---- 数字员工角色矩阵 ---- */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.role-col{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;box-shadow:var(--shadow)}
.role-col h3{font-size:17px;color:var(--navy);font-weight:700;margin:0 0 4px}
.role-col .cnt{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:1.6px}
.role-col ul{list-style:none;padding:0;margin:18px 0 0}
.role-col li{font-size:14px;color:var(--ink-2);padding:7px 0;border-top:1px solid var(--line);line-height:1.5}

/* ---- 案例卡状态标签 ---- */
.case{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:var(--shadow);transition:.35s cubic-bezier(.16,1,.3,1);display:block;color:inherit}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(224,185,107,.5)}
.case .ch{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.case h3{font-size:20px;margin:0;color:var(--navy);font-weight:700;letter-spacing:-.3px}
.case p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.76}
.case .go{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:var(--blue);font-family:var(--mono)}
.status{font-family:var(--mono);font-size:11px;padding:4px 11px;border-radius:100px;font-weight:600;white-space:nowrap;letter-spacing:.3px}
.status.live{color:#8A6A2A;background:#F6F0E2;border:1px solid #E8DAB4}
.status.test{color:#B4523B;background:#FCEDE9;border:1px solid #F3CFC5}
.status.study{color:#5E6B73;background:#EFF2F3;border:1px solid #DCE2E4}

/* ---- 合作分流 ---- */
.split2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.lane{border-radius:var(--r-lg);padding:36px 32px;
  background:rgba(255,255,255,.055);border:1px solid rgba(230,225,215,.16);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:.35s cubic-bezier(.16,1,.3,1)}
.lane:hover{background:rgba(255,255,255,.09);border-color:rgba(224,185,107,.42);transform:translateY(-4px)}
.lane .en{font-family:var(--mono);font-size:10.5px;letter-spacing:2.4px;color:var(--cyan);font-weight:700}
.lane h3{font-size:21px;color:#fff;margin:12px 0 12px;font-weight:800;letter-spacing:-.3px}
.lane p{font-size:15px;color:#ADAAA2;margin:0;line-height:1.76}
.lane .mail{display:inline-block;margin-top:20px;font-family:var(--mono);font-size:14px;color:var(--cyan);word-break:break-all}

@media (max-width:1000px){
  .roles{grid-template-columns:1fr}
  .fm-row{flex-direction:column}
}
@media (max-width:760px){
  .split2{grid-template-columns:1fr}
  .engine,.case,.lane{padding:26px 22px}
  section[id]{scroll-margin-top:70px}
}

/* 移动端正文字号下限 16px（开发计划第 12 节可访问性要求） */
@media (max-width:760px){
  .card p,.case p,.engine p,.engine .lines li,.lane p,.role-col li,
  .glass p,.rep p,.agent p,.proj p,.ul li,.steps li{font-size:16px}
  .fm-node .d{font-size:13.5px}
  .nav-toggle{width:44px;height:44px}
  .btn{padding:15px 30px}
}

/* ---- 人物资质标签 ---- */
.creds{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0}
.creds span{
  font-size:13px;color:var(--navy);background:#F6F0E2;border:1px solid #E8DAB4;
  padding:6px 14px;border-radius:100px;font-weight:600;letter-spacing:.2px;
}
@media (max-width:760px){.creds span{font-size:13.5px}}

/* ===================== 小屏与移动端优化 ===================== */

/* 组织流程图：窄屏转纵向时必须水平居中 */
@media (max-width:1000px){
  .fm-row{flex-direction:column;align-items:center}
  .fm-node{width:100%;max-width:520px;margin-left:auto;margin-right:auto}
  .fm-node.lead,.fm-node.core{width:100%;max-width:520px}
  .flowmap{display:flex;flex-direction:column;align-items:center}
  .flowmap > *{width:100%}
  .fm-arrow{margin:8px 0}
}

/* 平板 */
@media (max-width:900px){
  .sec{padding:88px 0}
  .sec-head{margin-bottom:44px}
  .hl-row{grid-template-columns:1fr !important}
}

/* 手机 */
@media (max-width:640px){
  .wrap{padding-left:20px;padding-right:20px}
  .sec{padding:64px 0}
  .sec.sm{padding:48px 0}
  .sec-head{margin-bottom:36px}

  .display{font-size:clamp(30px,8.6vw,42px);letter-spacing:-.8px;line-height:1.16}
  h1.title{font-size:clamp(26px,7.4vw,34px);letter-spacing:-.5px}
  h2.title{font-size:clamp(23px,6.4vw,30px);letter-spacing:-.4px}
  .sub{font-size:16.5px;line-height:1.75;margin-top:18px}
  .kicker{font-size:10px;letter-spacing:2.4px}

  /* 首屏数字条：两列 */
  .stats{grid-template-columns:repeat(2,1fr) !important;gap:22px 16px;margin-top:52px;padding-top:32px}
  .stat .n{font-size:30px}
  .stat .l{font-size:12.5px;margin-top:8px}

  /* 按钮整行 */
  .btns{gap:10px;margin-top:28px}
  .btn{padding:14px 24px;font-size:15px;flex:1;justify-content:center;min-width:140px}

  /* 卡片与容器内边距 */
  .card,.engine,.case,.lane,.role-col,.rep .body{padding:24px 20px}
  .person{padding:26px 20px;border-radius:22px}
  .fm-node{padding:16px 18px}
  .fm-node .t{font-size:15px}
  .fm-node.lead .t{font-size:16.5px}

  /* 人物卡 */
  .person-head{gap:14px;padding-bottom:18px}
  .avatar{width:52px;height:52px;border-radius:16px;font-size:21px}
  .person-id h3{font-size:21px}
  .person-id .role{font-size:11px;letter-spacing:1.2px}
  .person h4{margin:24px 0 12px;letter-spacing:1.8px}
  .edu .sch{font-size:16px}
  .edu .rk{display:inline-block;margin-left:0;margin-top:6px;vertical-align:0}

  /* 经历表格：纵向堆叠，避免挤压 */
  .tbl td{display:block;padding:0;border:none}
  .tbl td:first-child{width:auto;font-size:12.5px;color:var(--muted);padding-top:14px}
  .tbl td:last-child{padding:4px 0 14px;border-bottom:1px solid var(--line)}
  .tbl tr:last-child td:last-child{border-bottom:none}

  /* 资质标签 */
  .creds{gap:7px;margin-top:18px}
  .creds span{font-size:12.5px;padding:5px 12px}

  /* 案例：取消跨列 */
  .case[style*="grid-column"]{grid-column:auto !important}

  /* 报告封面压低 */
  .rep .cover{height:112px}
  .rep .cover .tagi,.rep .cover .dt{left:20px;top:18px;font-size:10px}
  .rep .cover .dt{left:auto;right:20px}

  /* 页脚 */
  .site-footer{padding:44px 0 28px}
  .foot-top{gap:26px;padding-bottom:24px}
  .foot-nav{gap:18px}
  .disclaimer{font-size:12px;margin-top:22px}

  /* 徽章不遮挡内容 */
  .ai-badge{right:12px;bottom:12px}
  .ai-pop{width:min(84vw,300px)}
}

/* 超窄屏 */
@media (max-width:359px){
  .wrap{padding-left:16px;padding-right:16px}
  .btn{width:100%;flex:none}
  .creds span{font-size:12px}
  .display{font-size:28px}
}

/* ---- 手机首屏精调 ---- */
@media (max-width:640px){
  /* 英文标语：缩小并收紧字距，避免占两行 */
  #top .kicker{font-size:9px;letter-spacing:1.4px;line-height:1.7;margin-bottom:14px}
  /* 主标题：确保 12 字一行内放得下 */
  .display{font-size:clamp(25px,7.1vw,42px);line-height:1.24}
  /* 首屏图形与按钮之间的留白收紧 */
  #top .sec > div[style*="margin-top:60px"]{margin-top:32px !important}
  #top .sec{padding-top:56px}
  #top .wrap[style*="padding-bottom:104px"]{padding-bottom:64px !important}
}
@media (max-width:359px){
  #top .kicker{font-size:8.5px;letter-spacing:1px}
  .display{font-size:24px}
}

/* 正文字号下限 16px（全断点生效，开发计划可访问性要求） */
.card p,.case p,.engine p,.engine .lines li,.lane p,.role-col li,
.glass p,.rep p,.agent p,.proj p,.ul li,.hl-item .hb,.hl-item .hn{font-size:16px}
.tbl,.tbl td{font-size:16px}
.tbl td:first-child{font-size:14px}

/* ---- 案例卡内的双报告入口 ---- */
.case .entries{display:grid;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.case .entry{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 16px;border:1px solid var(--line);border-radius:14px;background:#FAF9F6;
  transition:.22s cubic-bezier(.16,1,.3,1);
}
.case .entry:hover{background:#F6F0E2;border-color:rgba(224,185,107,.6);transform:translateX(3px)}
.case .entry .et{font-size:15px;font-weight:700;color:var(--navy);line-height:1.4}
.case .entry .ed{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:1.2px;margin-top:3px}
.case .entry .ea{font-family:var(--mono);font-size:15px;color:var(--blue);flex:none}
@media (max-width:640px){
  .case .entry{padding:12px 14px}
  .case .entry .et{font-size:15px}
}

/* 案例网格：卡片按自身高度排列，避免被最高卡拉出空白 */
#cases .grid{align-items:start}
/* 双报告入口在宽屏并排，窄屏堆叠 */
@media (min-width:641px){
  .case .entries{grid-template-columns:1fr 1fr}
  .case .entry{flex-direction:column;align-items:flex-start;gap:10px}
  .case .entry .ea{align-self:flex-end;margin-top:-6px}
}