:root{
  --blue:#075df2;
  --blue2:#0b7cff;
  --cyan:#1ecbff;
  --text:#101827;
  --muted:#667789;
  --line:#e3eaf4;
  --soft:#f6f9fd;
  --card:#ffffff;
  --shadow:0 18px 50px rgba(16,54,102,.08);
  --shadow2:0 10px 28px rgba(17,71,150,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Microsoft YaHei UI","Microsoft YaHei",PingFang SC,system-ui,-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  color:var(--text);
  background:#fff;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
.container{width:min(1220px,calc(100% - 48px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  height:72px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid #edf2f8;
}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:170px}
.brand-icon{width:38px;height:38px;color:var(--blue);display:grid;place-items:center}
.brand-icon svg{width:34px;height:34px}
.brand-text{font-size:25px;font-weight:900;letter-spacing:.5px;color:#0647bf}
.nav-menu{display:flex;align-items:center;gap:42px;font-size:15px;font-weight:700;color:#162033}
.nav-menu a{position:relative;padding:25px 0}
.nav-menu a.active,.nav-menu a:hover{color:var(--blue)}
.nav-menu a.active:after{
  content:"";position:absolute;left:50%;bottom:14px;width:26px;height:3px;
  background:var(--blue);border-radius:99px;transform:translateX(-50%);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  height:42px;padding:0 24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;white-space:nowrap;
  transition:.2s;border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),#0456de);color:#fff;box-shadow:0 10px 22px rgba(7,93,242,.20)}
.btn-light{border-color:#b8d0ff;color:var(--blue);background:#fff}
.btn-outline{border-color:#b7cdf8;background:#fff;color:var(--blue)}
.btn-big{height:48px;min-width:138px;border-radius:8px}
.nav-toggle{display:none;border:0;background:#fff;color:var(--blue);font-size:24px}

.hero{
  position:relative;
  padding:48px 0 32px;
  overflow:hidden;
  background:
    radial-gradient(circle at 72% 30%,rgba(9,104,255,.12),transparent 34%),
    linear-gradient(180deg,#fff 0%,#fbfdff 100%);
}
.hero:after{
  content:"";position:absolute;right:-140px;top:70px;width:620px;height:260px;
  background:linear-gradient(135deg,transparent,rgba(5,112,244,.08));
  transform:skewX(-18deg);border-radius:80px;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:42px;align-items:center;position:relative;z-index:2}
.label{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:8px;
  color:var(--blue);background:#edf5ff;border:1px solid #d9e9ff;
  font-weight:800;font-size:14px;margin-bottom:22px;
}
.label-icon{
  width:18px;height:18px;border-radius:50%;border:2px solid var(--blue2);
  position:relative;display:inline-block;
}
.label-icon:after{content:"";position:absolute;right:-5px;bottom:-2px;width:7px;height:7px;border-radius:50%;background:#12c16f}
.hero h1{
  margin:0 0 16px;
  font-size:clamp(40px,4.8vw,62px);
  line-height:1.18;
  font-weight:950;
  letter-spacing:-1.8px;
}
.hero h1 span{color:var(--blue)}
.hero-desc{
  max-width:600px;color:#536477;font-size:16px;line-height:1.85;margin-bottom:20px;
}
.hero-points{
  display:flex;flex-wrap:wrap;gap:16px 24px;margin:8px 0 26px;
  color:#27364a;font-size:14px;font-weight:700;
}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.hero-points span:before{
  content:"✓";width:16px;height:16px;border-radius:50%;
  background:var(--blue);color:#fff;display:inline-grid;place-items:center;
  font-size:11px;font-weight:900;
}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap}

.hero-visual{position:relative;min-height:390px}
.desktop-ui{
  position:absolute;right:88px;top:0;width:520px;height:286px;
  background:#fff;border:1px solid #dbe7f6;border-radius:20px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.ui-top{height:38px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #e6eef8;padding:0 14px;color:#27364a;font-size:13px}
.ui-top b{margin-right:auto}.ui-top span{width:8px;height:8px;border-radius:50%;background:#d7e1ee}
.ui-layout{height:248px;display:grid;grid-template-columns:46px 168px 1fr}
.ui-sidebar{background:linear-gradient(180deg,#065cf4,#0048cb);padding:14px 0;display:flex;flex-direction:column;align-items:center;gap:16px}
.ui-sidebar i{width:18px;height:18px;border-radius:6px;background:rgba(255,255,255,.36)}
.ui-list{border-right:1px solid #e7eef8;padding:10px;background:#fbfdff}
.ui-search{height:22px;border-radius:99px;background:#eef4fb;margin-bottom:8px}
.conv{height:48px;border-radius:10px;display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:8px;padding:6px;margin-bottom:6px}
.conv.active{background:#eef6ff}.conv em{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#2c94ff,#c2e7ff)}
.conv b{font-size:11px;display:block;color:#1f334e}.conv small{font-size:9px;color:#7c8da3;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80px}
.conv time{font-size:9px;color:#9aabba}
.ui-chat{padding:20px;background:#fff;display:flex;flex-direction:column;gap:13px}
.chat-line{max-width:215px;padding:10px 12px;border-radius:12px;font-size:11px;line-height:1.5}
.chat-line.left{background:#f1f5fa;color:#3b4f66}.chat-line.right{background:#ecf5ff;color:#0956ce;margin-left:auto}
.file-card{width:120px;padding:8px 10px;border-radius:8px;border:1px solid #e5edf7;color:#68798d;font-size:10px}
.input-bar{margin-top:auto;height:36px;border:1px solid #e3ebf5;border-radius:10px;display:flex;align-items:center;gap:8px;padding:0 8px}
.input-bar span{width:12px;height:12px;border-radius:50%;background:#d6e2ef}.input-bar button{margin-left:auto;border:0;border-radius:8px;background:var(--blue);color:#fff;height:24px;padding:0 12px;font-size:11px}
.mobile-ui{
  position:absolute;right:0;top:38px;width:104px;height:252px;
  background:#fff;border:1px solid #dae5f1;border-radius:24px;
  box-shadow:var(--shadow2);padding:12px 10px;font-size:10px;color:#5b6c82;
}
.phone-top{width:34px;height:4px;border-radius:99px;background:#d8e0ea;margin:0 auto 10px}
.mobile-ui h4{font-size:11px;color:#26384d;margin:0 0 8px}.phone-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#29a2ff,#def3ff);margin:0 auto 5px}
.mobile-ui p{text-align:center;font-weight:800;color:#26384d;margin:0 0 6px}.mobile-ui ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}.mobile-ui li{height:14px;border-radius:4px;background:#f1f5fa;padding-left:5px;line-height:14px}
.mobile-ui button{width:100%;height:24px;margin-top:10px;border:0;border-radius:7px;background:var(--blue);color:#fff;font-size:10px}
.shield-3d{
  position:absolute;left:54px;bottom:42px;width:160px;height:160px;border-radius:36px;
  display:grid;place-items:center;background:radial-gradient(circle at 50% 100%,rgba(10,119,255,.25),transparent 56%);
  z-index:4;
}
.shield-3d:before{
  content:"";position:absolute;left:22px;right:22px;bottom:6px;height:24px;border-radius:50%;
  border:4px solid rgba(10,119,255,.2);box-shadow:0 0 35px rgba(10,119,255,.22);
}
.shield-inner{
  width:108px;height:128px;background:linear-gradient(135deg,#1d94ff,#074fd1);
  color:#fff;display:grid;place-items:center;font-size:56px;font-weight:900;
  clip-path:polygon(50% 0,89% 13%,84% 66%,50% 100%,16% 66%,11% 13%);
  box-shadow:0 18px 40px rgba(7,93,242,.32);border:2px solid rgba(255,255,255,.55);
}
.float-card{
  position:absolute;right:144px;width:132px;height:44px;border-radius:10px;background:#fff;
  border:1px solid #dfe9f6;box-shadow:var(--shadow2);display:flex;align-items:center;
  color:#0b54d8;font-weight:850;font-size:13px;padding-left:42px;
}
.float-card:before{
  content:"";position:absolute;left:14px;width:18px;height:18px;border-radius:7px;
  background:linear-gradient(135deg,#126dff,#2cd4ff);
}
.fc1{top:28px}.fc2{top:86px}.fc3{top:144px}.fc4{top:202px}

.value-strip{padding:14px 0 20px;background:#fff}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #e2ebf6;border-radius:14px;background:#fff;box-shadow:var(--shadow2);overflow:hidden}
.value-item{display:flex;align-items:center;gap:16px;padding:22px 34px;min-height:88px;border-right:1px solid #e8eff7}
.value-item:last-child{border-right:0}.value-item h3{margin:0 0 3px;font-size:17px}.value-item p{margin:0;color:#667789;font-size:13px}
.ico{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#0e6cff,#0755dd);display:inline-block;position:relative;flex:none}
.ico:after{content:"";position:absolute;inset:12px;border:2px solid #fff;border-radius:50%}.ico.shield:after{clip-path:polygon(50% 0,100% 20%,85% 70%,50% 100%,15% 70%,0 20%);border-radius:0}.ico.coin:after{border-radius:8px}.ico.user:after{border-radius:50%}.ico.gear:after{border-radius:10px}

.section{padding:44px 0}
.section-title{text-align:center;margin-bottom:28px}.section-title h2{font-size:28px;margin:0 0 8px}.section-title p{margin:0;color:#67798e}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.adv-grid article{border:1px solid #e2ebf6;border-radius:12px;background:#fff;padding:24px 22px;text-align:center;box-shadow:var(--shadow2)}
.adv-grid h3{font-size:18px;margin:16px 0 8px}.adv-grid p{font-size:13px;color:#667789;margin:0;line-height:1.65}
.adv-grid i{width:52px;height:52px;border-radius:18px;border:2px solid #d9e8ff;display:inline-block;position:relative;background:#f8fbff}
.adv-grid i:before,.adv-grid i:after{content:"";position:absolute;background:var(--blue)}
.line-people:before{width:22px;height:14px;border-radius:12px 12px 4px 4px;left:13px;bottom:11px}.line-people:after{width:12px;height:12px;border-radius:50%;left:20px;top:12px}
.line-sync:before{width:24px;height:24px;border-radius:50%;border:4px solid var(--blue);background:transparent;left:12px;top:12px}.line-sync:after{width:10px;height:10px;right:10px;top:10px;clip-path:polygon(0 0,100% 50%,0 100%)}
.line-chat:before{width:28px;height:20px;border-radius:10px;left:11px;top:14px}.line-chat:after{width:10px;height:10px;left:16px;bottom:11px;clip-path:polygon(0 0,100% 0,0 100%)}
.line-admin:before{width:27px;height:27px;border-radius:8px;left:12px;top:12px}.line-admin:after{width:15px;height:15px;background:#fff;border-radius:4px;left:18px;top:18px}

.solution-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:34px;align-items:center;border-top:1px solid #eef3f9;padding-top:24px}
.section-kicker{color:var(--blue);font-weight:900;font-size:14px}.solution-copy h2{font-size:25px;margin:10px 0 12px}.solution-copy p{color:#61758d;line-height:1.85;margin:0 0 14px}.text-link{color:var(--blue);font-weight:900}
.flow-demo{display:grid;grid-template-columns:1fr 38px 1fr 38px 1fr;align-items:center;gap:10px}
.flow-col{height:142px;border:1px solid #e2ebf6;border-radius:14px;background:#fff;padding:16px;box-shadow:var(--shadow2)}
.flow-col h4{margin:0 0 12px;font-size:14px;color:#34475d}.flow-col span{display:flex;align-items:center;height:25px;margin:8px 0;border-radius:8px;background:#f3f7fc;color:#64768b;font-size:12px;padding:0 10px}
.flow-col.source span:before{content:"";width:8px;height:8px;border-radius:50%;background:#22c578;margin-right:8px}
.flow-col.service span:before{content:"";width:20px;height:20px;border-radius:50%;background:#d9eaff;margin-right:8px}
.flow-col.record span{width:100%;height:25px}.flow-col.record span:before{content:"";width:26px;height:18px;border-radius:8px;background:#d9eaff;margin-right:8px}
.flow-arrow{text-align:center;color:var(--blue);font-size:28px;font-weight:900}

.agent-grid{display:grid;grid-template-columns:1.15fr 1.6fr 1.4fr;gap:24px;align-items:stretch}
.agent-card,.agent-dashboard,.faq-card{border:1px solid #e2ebf6;border-radius:14px;background:#fff;box-shadow:var(--shadow2)}
.agent-card{padding:24px}.agent-card h2,.faq-card h2{font-size:22px;margin:0 0 16px}.agent-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.agent-card li{position:relative;padding-left:28px;color:#34506d;font-weight:700}.agent-card li:before{content:"✓";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:12px}
.agent-dashboard{display:grid;grid-template-columns:92px 1fr;overflow:hidden}
.agent-dashboard aside{background:#0d2342;color:#fff;padding:18px 14px;display:grid;align-content:start;gap:16px}
.agent-dashboard aside b{font-size:14px}.agent-dashboard aside span{height:22px;border-radius:8px;background:rgba(255,255,255,.16)}
.dash-main{padding:18px}.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.metric-row div{height:54px;border:1px solid #e5edf7;border-radius:9px;padding:8px}.metric-row strong{display:block;font-size:15px}.metric-row small{color:#7c8da3;font-size:10px}.chart-row{display:grid;grid-template-columns:1.6fr 1fr;gap:12px;margin-top:14px}.line-chart{height:110px;border-radius:10px;background:linear-gradient(to top,#eff6ff,#fff);position:relative;border:1px solid #e5edf7}.line-chart:after{content:"";position:absolute;left:14px;right:14px;top:40px;height:46px;background:linear-gradient(135deg,transparent 0 20%,var(--blue) 21% 23%,transparent 24% 38%,var(--blue) 39% 41%,transparent 42% 60%,var(--blue) 61% 63%,transparent 64%);opacity:.9}.donut{height:110px;border-radius:10px;border:1px solid #e5edf7;background:radial-gradient(circle,#fff 0 28%,transparent 29%),conic-gradient(#075df2 0 42%,#55b9ff 42% 70%,#9fe2ff 70% 86%,#dfefff 86% 100%)}
.faq-card{padding:22px}details{border:1px solid #e5edf7;border-radius:8px;background:#fafcff;margin-bottom:9px;padding:0 14px}summary{height:40px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700;color:#34475d;list-style:none}summary:after{content:"⌄";color:#61758d}details[open] summary:after{content:"⌃"}details p{margin:0 0 12px;color:#71849a;font-size:13px}

.cta-band{margin-top:22px;background:linear-gradient(135deg,#075df2,#0044c5);color:#fff}
.cta-inner{min-height:112px;display:flex;align-items:center;justify-content:space-between}.cta-inner h2{margin:0;font-size:28px}.cta-inner p{margin:8px 0 0;color:#dbeaff}
.contact-footer{background:#fff;padding:28px 0 20px}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:center}.contact-item{display:flex;gap:12px;align-items:center;border-right:1px solid #e8eff7;min-height:54px}.contact-item i{font-style:normal;font-size:26px;color:#4b5a6c}.contact-item b{display:block;font-size:15px;color:#394c63}.contact-item small{display:block;color:#7b8ca1;font-size:12px}.qr-box{display:flex;align-items:center;gap:12px}.qr{width:56px;height:56px;border:1px solid #d5e0eb;background:repeating-linear-gradient(45deg,#111 0 3px,#fff 3px 6px);border-radius:4px}.qr-box span{font-size:13px}.qr-box small{color:#7b8ca1}.copyright{text-align:center;color:#9aaabd;font-size:12px;margin-top:20px}
@media(max-width:1080px){
  .hero-grid,.solution-grid{grid-template-columns:1fr}.hero-visual{min-height:420px}.desktop-ui{right:120px}.value-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}.agent-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:repeat(2,1fr)}.value-item:nth-child(2){border-right:0}
}
@media(max-width:760px){
  .container{width:min(100% - 28px,1220px)}.site-header{height:auto}.nav-wrap{height:64px}.nav-toggle{display:block}.nav-menu{display:none;position:absolute;left:14px;right:14px;top:64px;background:#fff;border:1px solid #e2ebf6;border-radius:14px;box-shadow:var(--shadow);padding:14px;flex-direction:column;align-items:flex-start;gap:0}.nav-menu.show{display:flex}.nav-menu a{padding:12px 8px}.nav-actions{display:none}.hero{padding-top:36px}.hero h1{font-size:35px;letter-spacing:-.8px}.hero-desc{font-size:15px}.hero-visual{display:none}.value-grid,.adv-grid,.contact-grid{grid-template-columns:1fr}.value-item{border-right:0;border-bottom:1px solid #e8eff7}.value-item:last-child{border-bottom:0}.flow-demo{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg)}.agent-dashboard{grid-template-columns:1fr}.agent-dashboard aside{display:none}.metric-row,.chart-row{grid-template-columns:1fr}.cta-inner{min-height:130px}.cta-inner h2{font-size:24px}.contact-item{border-right:0}.brand-text{font-size:22px}
}