:root{
    --ink:#1a2333; --sub:#5b6b82; --line:#e5eaf2; --bg:#f6f8fc;
    --blue:#1e5eff; --deep:#0b1c3f; --gold:#e09b1a;
    --grad:linear-gradient(120deg,#38bdf8,#1e5eff);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:66px}
  body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.7;background:#fff}
  .wrap{max-width:1180px;margin:0 auto;padding:0 56px}
  @media(max-width:760px){.wrap{padding:0 22px}}
  .btn{display:inline-block;border-radius:10px;padding:12px 26px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;transition:.2s;border:none}
  .btn-p{background:var(--blue);color:#fff}
  .btn-p:hover{background:#1449d8}
  .btn-o{border:1.5px solid var(--blue);color:var(--blue);background:#fff}
  .hex{width:34px;height:34px;background:var(--grad);clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px}
  /* nav */
  nav{position:sticky;top:0;z-index:99;background:rgba(240,246,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid #d5e3fb}
  nav .in{max-width:1180px;margin:0 auto;padding:0 56px;height:64px;display:flex;align-items:center;gap:12px}
  .logo{font-weight:800;font-size:20px;color:var(--deep)}
  .logo b{color:var(--blue)}
  nav .sp{flex:1}
  nav a.nl{color:var(--sub);text-decoration:none;font-size:14.5px;font-weight:600;margin:0 14px}
  nav a.nl:hover{color:var(--blue)}
  nav .btn{padding:9px 20px;font-size:14px}
  /* sections */
  section{padding:76px 0}
  .sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
  .sec-head .kicker{display:inline-block;background:#eef3ff;color:var(--blue);font-size:13px;font-weight:700;border-radius:99px;padding:4px 16px;margin-bottom:14px;letter-spacing:1px}
  .sec-head h2{font-size:30px;color:var(--deep)}
  .sec-head p{color:var(--sub);margin-top:10px;font-size:15px}
  /* ===== 模块一：企业经营的一天（轮播+箭头） ===== */
  .day{background:linear-gradient(170deg,#0b1c3f,#123a8f);border-radius:24px;padding:56px 52px 44px;color:#fff}
  @media(max-width:760px){.day{padding:36px 18px 30px}}
  .day h2{font-size:29px;text-align:center}
  .carousel{position:relative;border-radius:20px;overflow:hidden;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14)}
  .slides{display:flex;transition:transform .55s ease}
  .slide{min-width:100%;display:grid;grid-template-columns:1.1fr .9fr;align-items:stretch}
  @media(max-width:820px){.slide{grid-template-columns:1fr}}
  picture{display:contents}
  .slide .img{position:relative;aspect-ratio:1536/970}
  .slide .img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .slide .img .tm{position:absolute;left:18px;top:16px;background:rgba(20,12,50,.72);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);border-radius:99px;padding:5px 16px;font-weight:800;font-size:15px;color:#e4d6ff}
  .slide .txt{padding:38px 34px;display:flex;flex-direction:column;justify-content:center}
  .slide .role{align-self:flex-start;background:rgba(30,94,255,.28);border:1px solid rgba(120,160,255,.55);color:#cfe0ff;font-size:12.5px;font-weight:700;border-radius:99px;padding:3px 12px;margin-bottom:12px}
  .slide h4{font-size:19px;margin-bottom:8px}
  .slide p{font-size:13.5px;color:#c3bae8}
  .carrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(20,12,50,.55);backdrop-filter:blur(6px);color:#fff;font-size:20px;cursor:pointer;z-index:5;display:flex;align-items:center;justify-content:center;transition:.2s;user-select:none}
  .carrow:hover{background:var(--blue);border-color:var(--blue)}
  .carrow.prev{left:14px}.carrow.next{right:14px}
  .dots{display:flex;gap:8px;justify-content:center;padding:18px 0 2px}
  .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:.2s}
  .dots i.on{background:#9db8ff;width:24px;border-radius:99px}
  /* ===== 模块二：AI 团队 ===== */
  .team{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  @media(max-width:900px){.team{grid-template-columns:1fr}}
  .tcard{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.2s}
  .tcard:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(30,94,255,.16)}
  .tcard .img{height:150px;overflow:hidden;position:relative}
  .tcard .img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
  .tcard:hover .img img{transform:scale(1.06)}
  .tcard .img .em{position:absolute;left:14px;top:12px;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 6px 16px rgba(0,0,0,.15)}
  .tcard .bd{padding:20px 22px 24px}
  .tcard h4{font-size:17px}
  .tcard .jt{font-size:12px;color:var(--sub);letter-spacing:1px;margin:2px 0 8px}
  .tcard p{font-size:13px;color:var(--sub);min-height:60px}
  .tcard .pay{margin-top:12px;border-top:1px dashed var(--line);padding-top:12px;font-size:13px}
  .tcard .pay s{color:#b3adc9}
  .tcard .pay b{color:var(--blue)}
  /* ===== 模块三：产品模块（方案二样式） ===== */
  .mod{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;padding:56px 0}
  @media(max-width:900px){.mod{grid-template-columns:1fr;gap:30px}}
  .mod h3{font-size:26px;color:var(--deep);margin-bottom:4px}
  .mod .en{font-size:12px;letter-spacing:2px;color:#9db0cc;margin-bottom:14px}
  .mod .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
  .mod .tags span{background:#eef3ff;color:#1a3f9e;border-radius:99px;padding:5px 14px;font-size:13px;font-weight:600}
  .mod p{font-size:14.5px;color:var(--sub);margin-bottom:16px}
  .mod .data{display:inline-block;background:#fffbe8;border:1px dashed #f0d48a;border-radius:10px;padding:8px 16px;font-size:13.5px;color:#8a5b00;font-weight:600;margin-bottom:18px}
  .mod .ph{border-radius:20px;width:100%;aspect-ratio:3/2;object-fit:cover;box-shadow:0 24px 60px rgba(11,28,63,.16);display:block}
  .mod .ph-wrap{position:relative}
  .mod .ph-chip{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-radius:12px;padding:10px 16px;font-size:13px;font-weight:700;color:var(--deep);box-shadow:0 10px 26px rgba(11,28,63,.2)}
  .mod .ph-chip small{display:block;font-weight:400;color:var(--sub);font-size:11.5px}
  /* AI+知识库：科技炫酷蓝大气底 */
  .mod-tech{position:relative;overflow:hidden;background:linear-gradient(150deg,#081531 0%,#0d2f7e 48%,#0e4fd8 100%);border-radius:26px;padding:52px 46px;color:#fff;box-shadow:0 32px 80px rgba(11,28,63,.38);margin:8px 0 16px}
  .mod-tech::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(130,180,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(130,180,255,.09) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
  .mod-tech::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.38),transparent 65%);top:-160px;right:-130px;pointer-events:none}
  .mod-tech h3{color:#fff}
  .mod-tech .en{color:#8fb8ff}
  .mod-tech .tags span{background:rgba(255,255,255,.10);border:1px solid rgba(140,185,255,.38);color:#cfe2ff}
  .mod-tech p{color:#c9d9f5}
  .mod-tech .data{background:rgba(56,189,248,.13);border:1px dashed rgba(120,190,255,.45);color:#bfe3ff}
  .mod-tech .ph{box-shadow:0 22px 55px rgba(0,0,0,.45);border:1px solid rgba(140,185,255,.28)}
  .mod-tech .ph-chip{background:rgba(9,22,50,.86);color:#fff}
  .mod-tech .ph-chip small{color:#9db8e8}
  /* AI+知识库 政企安全放大版 */
  .mod-hero{padding:64px 56px;margin:14px 0 22px;border:1px solid rgba(120,180,255,.35);box-shadow:0 36px 96px rgba(14,79,216,.45)}
  .mod-hero h3{font-size:32px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .gov-tag{font-size:12.5px;font-weight:800;letter-spacing:1px;color:#bfe9ff;background:rgba(56,189,248,.16);border:1px solid rgba(140,200,255,.5);border-radius:99px;padding:4px 14px}
  .mod-hero .ph-wrap{display:flex;flex-direction:column;align-items:center;gap:20px}
  .shield{width:100%;max-width:400px;height:auto;filter:drop-shadow(0 0 30px rgba(56,189,248,.45))}
  .spin{animation:spinK 26s linear infinite}
  .spinR{animation:spinRK 34s linear infinite}
  @keyframes spinK{to{transform:rotate(360deg)}}
  @keyframes spinRK{to{transform:rotate(-360deg)}}
  .s-chips{display:flex;gap:10px}
  .s-chips span{background:rgba(56,189,248,.14);border:1px solid rgba(140,200,255,.45);color:#cfe8ff;border-radius:99px;padding:5px 14px;font-size:12.5px;font-weight:700}
  .sec-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px;padding-top:24px;border-top:1px solid rgba(140,185,255,.25)}
  .stile{background:rgba(255,255,255,.07);border:1px solid rgba(140,185,255,.3);border-radius:14px;padding:18px}
  .stile .si{width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.15);border:1px solid rgba(140,200,255,.4);display:flex;align-items:center;justify-content:center;font-size:21px;box-shadow:0 0 18px rgba(56,189,248,.25)}
  .stile h5{font-size:15.5px;color:#fff;margin:10px 0 6px}
  .stile p{font-size:12.5px;color:#b9cdf0;margin:0;line-height:1.65}
  @media(max-width:900px){.sec-grid{grid-template-columns:1fr 1fr}.mod-hero{padding:40px 26px}}
  /* ===== 模块四：AI+ 全场景轮盘（参照企业AI成就AI企业） ===== */
  .wheel-sec{position:relative;background:linear-gradient(180deg,#66a5ec 0%,#9cc8f5 24%,#d8e9fb 56%,#f2f8ff 84%,#f8fbff 100%)}
  .wheel-sec::before{content:"";position:absolute;left:0;right:0;bottom:0;height:170px;background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(180deg,transparent,rgba(0,0,0,.55));mask-image:linear-gradient(180deg,transparent,rgba(0,0,0,.55));pointer-events:none}
  /* 置顶标题区（自定义设计：白色药丸标签 + 特大渐变主标题） */
  .wheel-sec .sec-head{max-width:880px;margin-bottom:38px}
  .wheel-sec .kicker{background:#fff;border:1px solid #d7e6ff;color:#1e5eff;font-size:14.5px;font-weight:800;letter-spacing:3px;padding:4px 22px;border-radius:99px;box-shadow:0 10px 26px rgba(30,94,255,.18);margin-bottom:20px}
  .wheel-sec .sec-head h2{font-size:62px;line-height:1.16;color:#0b1c3f}
  .wheel-sec .sec-head h2 em{font-style:normal;background:linear-gradient(105deg,#0ea5e9,#1e5eff 52%,#0b3ea8);-webkit-background-clip:text;background-clip:text;color:transparent}
  @media(max-width:760px){.wheel-sec .sec-head h2{font-size:34px}.wheel-sec .kicker{letter-spacing:2px;padding:7px 18px}}
  .wheel-sec .sec-head p{color:#2f5490;font-size:15.5px;margin-top:16px}
  .wtabs{display:flex;gap:14px;justify-content:center;margin-bottom:26px}
  .wtab{font-size:15px;font-weight:700;color:var(--sub);cursor:pointer;padding:6px 4px;border-bottom:3px solid transparent}
  .wtab.on{color:var(--blue);border-color:var(--blue)}
  .wheel-grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:10px;align-items:center;max-width:1080px;margin:0 auto}
  @media(max-width:900px){.wheel-grid{grid-template-columns:1fr}.wpanel{padding-left:0}}
  .wpanel{padding-left:104px}
  .wpanel h3{font-size:24px;color:var(--deep);display:flex;align-items:center;gap:10px}
  .wpanel h3 .wi{width:44px;height:44px;border-radius:12px;background:#eef3ff;display:flex;align-items:center;justify-content:center;font-size:22px}
  .wpanel ul{list-style:none;margin:18px 0 22px}
  .wpanel li{font-size:14.5px;color:var(--sub);padding:7px 0 7px 18px;position:relative}
  .wpanel li::before{content:"·";position:absolute;left:4px;color:var(--blue);font-weight:800}
  .wheel-box{display:flex;justify-content:center}
  #wheelSvg{max-width:790px;width:100%;height:auto;filter:drop-shadow(0 12px 34px rgba(20,60,140,.28))}
  .seg{cursor:pointer;transition:opacity .2s, filter .2s}
  .seg path{transition:fill .2s, stroke .2s;stroke:#eef6ff;stroke-width:1.6;filter:drop-shadow(0 0 7px rgba(198,224,255,.85))}
  .seg:hover path{filter:drop-shadow(0 0 11px rgba(215,235,255,.95));stroke:#ffffff}
  .seg text{pointer-events:none;font-weight:700;fill:#fff;font-size:15.5px;letter-spacing:0}
  .seg.dim{opacity:.55}
  .seg.active path{stroke:#fff5e0;stroke-width:1.9;filter:drop-shadow(0 0 12px rgba(240,150,30,.9))}
  .wlegend{text-align:center;color:var(--sub);font-size:13px;margin-top:6px}
  footer{background:#0b1c3f;color:#8ea6cf;padding:44px 0 0;margin-top:80px;font-size:13.5px}
  footer .in{max-width:1180px;margin:0 auto;padding:0 56px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
  footer b{color:#fff}
  footer .fcol{max-width:420px}
  footer .fbrand{font-size:17px;color:#fff;margin-bottom:8px}
  footer .fslogan{color:#c8d8f2;margin-bottom:6px}
  footer .fsite{color:#5b8dff;text-decoration:none;font-weight:700}
  footer .fsite:hover{text-decoration:underline}
  footer .fapp{font-size:12.5px;color:#6f87b4;margin-top:14px;line-height:1.7}
  footer .fqr{text-align:center}
  footer .fqr img{width:108px;height:108px;border-radius:10px;background:#fff;padding:5px;display:block}
  footer .fqr span{display:block;margin-top:8px;font-size:12.5px;color:#9db3d8}
  footer .fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding:16px 0}
  footer .fbottom-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:#6f87b4}
  footer .fbottom-in a{color:#6f87b4;text-decoration:none}
  footer .fbottom-in a:hover{color:#8ea6cf}
  /* ===== 免费试用弹窗 ===== */
  .trial-mask{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(219,227,239,.82);backdrop-filter:blur(6px)}
  .trial-mask.on{display:flex}
  .trial-modal{position:relative;width:100%;max-width:940px;max-height:calc(100vh - 48px);overflow:auto;background:#fff;border-radius:18px;padding:30px 34px 34px;box-shadow:0 34px 90px rgba(11,28,63,.22)}
  .trial-close{position:absolute;top:20px;right:22px;width:40px;height:40px;border-radius:50%;border:1px solid #e3eaf5;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
  .trial-close svg{width:15px;height:15px;stroke:#8a97b0;stroke-width:2;fill:none;stroke-linecap:round}
  .trial-close:hover{border-color:#c6d8ff;background:#f4f8ff}
  .trial-close:hover svg{stroke:var(--blue)}
  .trial-modal h3{font-size:26px;font-weight:800;color:#0d1b33;line-height:1.3}
  .trial-sub{font-size:15px;color:#6d7d97;margin-top:6px}
  .trial-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
  .trial-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:#fff;border:1px solid #e3eaf5;border-radius:12px;padding:26px 24px}
  .trial-badge{background:#eaf1ff;color:var(--blue);font-size:13px;font-weight:700;border-radius:99px;padding:4px 13px;line-height:1.6}
  .trial-qr{margin-top:18px;border:2px solid var(--blue);border-radius:10px;padding:10px;background:#fff}
  .trial-qr img{display:block;width:190px;height:190px;border-radius:4px}
  .trial-card h4{font-size:17px;font-weight:800;color:#0d1b33;margin-top:14px}
  .trial-card--dl h4{font-size:19px;margin-top:16px}
  .trial-desc{font-size:14px;color:var(--sub);margin-top:8px;line-height:1.7;max-width:320px}
  .trial-desc b{color:var(--blue)}
  .trial-monitor{width:88px;height:88px;border-radius:16px;background:#eef4ff;display:flex;align-items:center;justify-content:center;margin-top:18px}
  .trial-monitor svg{width:42px;height:42px;stroke:var(--blue);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .trial-chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:16px}
  .trial-chips span{border:1px solid #dfe7f5;border-radius:99px;padding:4px 13px;font-size:13px;color:var(--sub);background:#fff}
  .trial-dl{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;max-width:350px;margin-top:20px;padding:15px 22px;border-radius:99px;background:linear-gradient(120deg,#2563eb,#1e5eff);color:#fff;font-size:16px;font-weight:800;text-decoration:none;box-shadow:0 12px 28px rgba(30,94,255,.34);transition:.2s}
  .trial-dl svg{width:19px;height:19px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .trial-dl:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(30,94,255,.42)}
  .trial-tip{font-size:13px;color:#8294b4;margin-top:14px}
  @media(max-width:820px){
    .trial-mask{padding:14px}
    .trial-modal{padding:24px 18px 26px;max-height:calc(100vh - 28px)}
    .trial-close{top:12px;right:12px;width:34px;height:34px}
    .trial-modal h3{font-size:21px;padding-right:34px}
    .trial-sub{font-size:14px}
    .trial-grid{grid-template-columns:1fr;gap:14px;margin-top:18px}
    .trial-qr img{width:170px;height:170px}
  }