*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:#101430;
  background-color:#f7f9ff;
  background-image:
    radial-gradient(900px 520px at 8% -6%, rgba(91,77,255,.16), transparent 62%),
    radial-gradient(820px 520px at 96% 2%, rgba(15,184,232,.16), transparent 62%),
    radial-gradient(900px 720px at 50% 108%, rgba(255,122,89,.12), transparent 66%);
  background-attachment:fixed;
}
a{color:#4f45e6;text-decoration:none;}
a:hover{color:#2a22b5;}
img{max-width:100%;}
h1,h2,h3,h4{margin:0;color:#101430;font-weight:800;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
section{padding:62px 0;}
section[id]{scroll-margin-top:82px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#5b4dff,#0fb8e8);color:#ffffff;box-shadow:0 16px 28px -16px rgba(91,77,255,.85);}
.btn-primary:hover{color:#ffffff;transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(91,77,255,.85);}
.btn-ghost{background:rgba(255,255,255,.92);color:#1a2040;border-color:rgba(16,20,48,.12);}
.btn-ghost:hover{color:#4f45e6;border-color:rgba(91,77,255,.42);transform:translateY(-2px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;padding:5px 14px;border-radius:999px;
  background:rgba(91,77,255,.1);color:#4f45e6;font-size:13px;font-weight:700;letter-spacing:.4px;
}
.sec-head{max-width:780px;margin:0 auto 36px;text-align:center;}
.sec-head h2{margin:12px 0 12px;font-size:clamp(22px,3.1vw,32px);line-height:1.36;}
.sec-sub{color:#5f6786;font-size:15px;}
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(16,20,48,.07);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:#101430;flex-shrink:0;}
.brand:hover{color:#101430;}
.brand .ai-page-logo{display:block;width:auto;max-height:32px;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{
  display:block;padding:9px 10px;border-radius:9px;font-size:14px;color:#2a3050;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:rgba(91,77,255,.09);color:#4f45e6;transform:translateY(-1px);}
.nav-cta{padding:9px 18px;font-size:14px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:38px;border-radius:10px;border:1px solid rgba(16,20,48,.12);
  background:#ffffff;color:#2a3050;font-size:13px;font-weight:700;cursor:pointer;
}
.nav-toggle:active{background:#f1f3ff;}
@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#ffffff;border-bottom:1px solid rgba(16,20,48,.08);
    padding:8px 20px 16px;display:none;
    box-shadow:0 22px 34px -26px rgba(23,28,70,.55);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:11px 6px;border-radius:8px;}
  .nav-cta{padding:8px 14px;font-size:13px;}
}
.hero{position:relative;overflow:hidden;padding:76px 0 26px;}
.hero .orb{position:absolute;border-radius:50%;filter:blur(74px);pointer-events:none;z-index:0;}
.orb-1{width:330px;height:330px;background:rgba(91,77,255,.34);top:-130px;left:-90px;animation:floatA 15s ease-in-out infinite;}
.orb-2{width:300px;height:300px;background:rgba(15,184,232,.32);top:-70px;right:-80px;animation:floatB 17s ease-in-out infinite;}
.orb-3{width:260px;height:260px;background:rgba(255,122,89,.24);bottom:-140px;left:44%;animation:floatA 19s ease-in-out infinite;}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(26px,22px,0);}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-24px,18px,0);}}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid rgba(91,77,255,.2);
  font-size:13px;font-weight:700;color:#3f38b8;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#5b4dff,#0fb8e8);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.5);opacity:.55;}}
.hero h1{margin:20px 0 16px;font-size:clamp(26px,4.4vw,46px);line-height:1.24;}
.hero-sub{max-width:760px;margin:0 auto;color:#4c5473;font-size:clamp(14.5px,1.6vw,17px);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px;}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:30px;}
.chip{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#3a4062;
  background:rgba(255,255,255,.82);border:1px solid rgba(16,20,48,.08);
  transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.chip:hover{transform:translateY(-2px);border-color:rgba(91,77,255,.4);color:#4f45e6;}
.stats-sec{padding:26px 0 10px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-card{
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);border-radius:16px;
  padding:20px 16px;text-align:center;box-shadow:0 18px 34px -30px rgba(23,28,70,.6);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -26px rgba(23,28,70,.5);border-color:rgba(91,77,255,.28);}
.stat-num{font-size:clamp(20px,2.6vw,26px);font-weight:800;color:#4f45e6;line-height:1.3;}
.stat-num.sm{font-size:clamp(17px,2.1vw,21px);}
.stat-label{margin-top:4px;font-size:13.5px;color:#5f6786;}
@media (max-width:880px){.stats-grid{grid-template-columns:repeat(2,1fr);}}
.card{
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);border-radius:18px;padding:22px;
  box-shadow:0 20px 38px -34px rgba(23,28,70,.7);
}
.card:hover{transform:translateY(-5px);box-shadow:0 28px 46px -30px rgba(23,28,70,.45);border-color:rgba(91,77,255,.28);}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{color:#5f6786;font-size:14.5px;line-height:1.72;}
.card,.stat-card,.step,.review-card,.case-card{
  transition:opacity .6s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
@media (max-width:940px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr;}}
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
@media (max-width:1000px){.steps-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.steps-grid{grid-template-columns:1fr;}}
.step{
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);border-radius:16px;padding:20px 18px;
}
.step:hover{transform:translateY(-4px);box-shadow:0 24px 40px -30px rgba(23,28,70,.55);border-color:rgba(91,77,255,.3);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#5b4dff,#0fb8e8);color:#ffffff;font-size:14px;font-weight:800;margin-bottom:12px;
}
.step h3{font-size:15.5px;margin-bottom:6px;}
.step p{color:#5f6786;font-size:13.8px;line-height:1.7;}
.timeline{position:relative;padding-left:26px;border-left:2px dashed rgba(91,77,255,.3);display:grid;gap:24px;}
.tl-item{position:relative;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,#5b4dff,#0fb8e8);box-shadow:0 0 0 4px rgba(91,77,255,.13);
}
.tl-item h3{font-size:16.5px;margin-bottom:5px;}
.tl-item p{color:#5f6786;font-size:14.5px;}
.case-card{
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);border-radius:18px;padding:16px;
  box-shadow:0 20px 38px -34px rgba(23,28,70,.7);
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 28px 46px -30px rgba(23,28,70,.45);border-color:rgba(91,77,255,.28);}
.case-media{
  aspect-ratio:16/10;background:#eef1fb;border-radius:12px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;padding:8px;margin-bottom:14px;
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-card h3{font-size:16px;margin-bottom:6px;}
.case-card p{color:#5f6786;font-size:14px;}
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:24px;border-radius:18px;margin-bottom:22px;
  background:linear-gradient(120deg,rgba(91,77,255,.11),rgba(15,184,232,.11));
  border:1px solid rgba(91,77,255,.2);
}
.score-label{font-size:13.5px;color:#4c5473;}
.stars{font-size:19px;letter-spacing:4px;color:#ff9f1c;line-height:1.2;}
.score-num{font-size:38px;font-weight:800;color:#4f45e6;line-height:1.1;}
.score-num span{font-size:15px;font-weight:600;color:#5f6786;}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid rgba(16,20,48,.08);background:rgba(255,255,255,.92);}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(16,20,48,.07);vertical-align:top;color:#2a3050;}
thead th{background:rgba(91,77,255,.08);color:#1a2040;font-weight:800;white-space:nowrap;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:rgba(91,77,255,.04);}
td.hl{color:#4f45e6;font-weight:700;}
.review-card{
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);border-radius:18px;padding:20px;
  box-shadow:0 20px 38px -34px rgba(23,28,70,.7);
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 26px 44px -30px rgba(23,28,70,.45);border-color:rgba(91,77,255,.28);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#5b4dff,#0fb8e8);color:#ffffff;font-weight:800;font-size:15px;
}
.review-name{font-size:15px;font-weight:800;color:#101430;}
.review-role{font-size:12.8px;color:#5f6786;}
.review-text{color:#4c5473;font-size:14.2px;line-height:1.78;}
.faq-item{
  background:rgba(255,255,255,.92);border:1px solid rgba(16,20,48,.08);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(91,77,255,.3);}
.faq-item.open{border-color:rgba(91,77,255,.4);box-shadow:0 18px 32px -30px rgba(23,28,70,.6);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:none;border:0;font:inherit;font-weight:700;font-size:15px;
  color:#101430;text-align:left;cursor:pointer;
}
.faq-q .arrow{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#4f45e6;
  background:rgba(91,77,255,.1);transition:transform .28s ease;
}
.faq-item.open .arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{margin:0 18px 16px;color:#5f6786;font-size:14.3px;line-height:1.78;}
.faq-item.open .faq-a{max-height:320px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.tag-cloud span{
  padding:7px 15px;border-radius:999px;font-size:13.5px;color:#3a4062;
  background:rgba(255,255,255,.9);border:1px solid rgba(16,20,48,.08);
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);color:#4f45e6;border-color:rgba(91,77,255,.4);}
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border-radius:14px;background:rgba(255,255,255,.9);
  border:1px solid rgba(16,20,48,.08);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(91,77,255,.32);box-shadow:0 18px 32px -30px rgba(23,28,70,.6);}
.news-title{font-size:15px;font-weight:700;color:#1a2040;}
.news-more{font-size:13.5px;color:#4f45e6;white-space:nowrap;}
.contact-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:26px;align-items:start;}
@media (max-width:920px){.contact-grid{grid-template-columns:1fr;}}
.form-card{
  background:rgba(255,255,255,.94);border:1px solid rgba(16,20,48,.08);border-radius:20px;padding:26px;
  box-shadow:0 26px 50px -40px rgba(23,28,70,.8);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-note{color:#5f6786;font-size:13.8px;margin-bottom:20px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (max-width:620px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:700;color:#2a3050;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;font:inherit;font-size:14.5px;color:#101430;
  background:#ffffff;border:1px solid rgba(16,20,48,.14);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#5b4dff;box-shadow:0 0 0 3px rgba(91,77,255,.14);
}
.field textarea{min-height:118px;resize:vertical;}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px;}
.form-tip{font-size:12.8px;color:#7b839f;}
.side-card{
  background:rgba(255,255,255,.94);border:1px solid rgba(16,20,48,.08);border-radius:20px;padding:24px;
  box-shadow:0 26px 50px -40px rgba(23,28,70,.8);
}
.side-card h3{font-size:17px;margin-bottom:14px;}
.contact-list{display:grid;gap:12px;margin-bottom:18px;}
.contact-list li{display:flex;gap:10px;font-size:14.2px;color:#4c5473;line-height:1.6;}
.contact-list b{color:#1a2040;font-weight:800;min-width:76px;flex-shrink:0;}
.qr-box{
  max-width:170px;padding:10px;border-radius:14px;background:#f4f6ff;
  border:1px solid rgba(16,20,48,.08);
}
.qr-box img{display:block;width:100%;height:auto;border-radius:8px;}
.qr-cap{margin-top:8px;font-size:12.5px;color:#5f6786;text-align:center;}
.join-card{
  display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center;
  padding:32px;border-radius:22px;
  background:linear-gradient(130deg,rgba(91,77,255,.13),rgba(15,184,232,.13) 55%,rgba(255,122,89,.12));
  border:1px solid rgba(91,77,255,.2);
}
@media (max-width:820px){.join-card{grid-template-columns:1fr;gap:18px;}}
.join-card h2{font-size:clamp(20px,2.6vw,27px);margin-bottom:10px;line-height:1.4;}
.join-card p{color:#4c5473;font-size:14.6px;}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.join-side{display:grid;gap:10px;}
.join-side div{
  background:rgba(255,255,255,.86);border:1px solid rgba(16,20,48,.08);
  border-radius:12px;padding:12px 14px;font-size:13.5px;color:#2a3050;
}
.site-footer{
  background:rgba(255,255,255,.78);
  border-top:1px solid rgba(16,20,48,.08);
  padding:42px 0 20px;
  color:#3a4062;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.5fr;gap:28px;}
@media (max-width:940px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:#101430;margin-bottom:10px;}
.footer-brand img{display:block;width:auto;max-height:30px;}
.footer-desc{font-size:13.6px;color:#5a6080;line-height:1.75;}
.footer-title{font-size:14px;font-weight:800;color:#101430;margin-bottom:12px;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13.4px;}
.footer-links a{color:#4a5180;}
.footer-links a:hover{color:#4f45e6;}
.footer-list{display:grid;gap:8px;font-size:13.4px;color:#4a5180;}
.footer-list b{color:#101430;font-weight:800;}
.footer-bottom{
  margin-top:28px;padding-top:16px;border-top:1px solid rgba(16,20,48,.08);
  font-size:13px;color:#5a6080;text-align:center;line-height:1.8;
}
.float-wrap{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,#5b4dff,#0fb8e8);color:#ffffff;
  font-size:12px;font-weight:800;line-height:1.15;
  box-shadow:0 16px 28px -14px rgba(91,77,255,.85);
  transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 20px 34px -14px rgba(91,77,255,.9);}
#backTop{opacity:0;pointer-events:none;background:#ffffff;color:#4f45e6;border:1px solid rgba(91,77,255,.3);font-size:16px;}
#backTop.show{opacity:1;pointer-events:auto;}
.serve-panel{
  display:none;width:212px;padding:14px;border-radius:16px;
  background:#ffffff;border:1px solid rgba(16,20,48,.1);
  box-shadow:0 26px 46px -26px rgba(23,28,70,.55);
  font-size:13px;color:#3a4062;
}
.serve-panel.open{display:block;animation:fadeUp .28s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.serve-panel img{display:block;width:100%;height:auto;border-radius:10px;margin-bottom:8px;}
.serve-panel p{font-size:12.6px;color:#5f6786;line-height:1.7;}
.serve-panel b{color:#101430;}
.reveal{opacity:1;}
html[data-reveal="on"] .reveal{opacity:0;}
html[data-reveal="on"] .reveal.in{opacity:1;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html[data-reveal="on"] .reveal{opacity:1;}
  html{scroll-behavior:auto;}
}