*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:#0c1631;
  background:linear-gradient(180deg,#f4f7ff 0%,#edf2ff 42%,#f6f9ff 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:#0b1a44;}
p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:88px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.995);}
.btn-primary{
  background:linear-gradient(135deg,#3459ff 0%,#1732c9 100%);
  color:#ffffff;
  box-shadow:0 12px 24px rgba(23,50,201,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(23,50,201,.34);}
.btn-ghost{
  background:#ffffff;color:#1732c9;border-color:#c8d6f8;
  box-shadow:0 8px 18px rgba(23,50,201,.08);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#9fb6f5;box-shadow:0 14px 26px rgba(23,50,201,.14);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid #e2e9f9;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{display:flex;align-items:center;width:132px;}
.brand-logo img{display:block;width:100%;height:auto;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{
  display:block;padding:8px 12px;font-size:14px;color:#26375e;border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:#1732c9;background:#eaf0ff;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-cta{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:10px;
  background:linear-gradient(135deg,#3459ff,#1732c9);color:#ffffff;font-size:14px;font-weight:600;
  box-shadow:0 8px 18px rgba(23,50,201,.24);
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,50,201,.3);}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid #dbe4fa;border-radius:10px;
  background:#ffffff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#1732c9;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  padding:74px 0 64px;
  background:
    radial-gradient(900px 460px at 12% -15%,#d6e2ff 0%,rgba(214,226,255,0) 70%),
    radial-gradient(760px 420px at 88% -5%,#e6edff 0%,rgba(230,237,255,0) 68%),
    linear-gradient(180deg,#f8faff 0%,#eef3ff 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,150,230,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,150,230,.16) 1px,transparent 1px);
  background-size:60px 60px;opacity:.6;
  -webkit-mask-image:radial-gradient(ellipse at 50% 22%,#000 0%,transparent 74%);
  mask-image:radial-gradient(ellipse at 50% 22%,#000 0%,transparent 74%);
}
.hero .container{position:relative;z-index:1;}
.hero-copy{max-width:840px;margin:0 auto;text-align:center;}
.eyebrow{
  display:inline-block;padding:5px 15px;border-radius:999px;
  background:#e6edff;border:1px solid #c9d8ff;color:#1a3fd0;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.24;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.hero-lead{
  max-width:680px;margin:0 auto;font-size:16.5px;color:#4a5980;line-height:1.8;
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px;}
.hero-tags li{
  padding:7px 15px;border-radius:999px;background:#ffffff;
  border:1px solid #dce6fb;color:#26375e;font-size:13.5px;
  box-shadow:0 6px 14px rgba(20,44,120,.05);
}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:46px;}
.stat{
  background:#ffffff;border:1px solid #dde7fb;border-radius:16px;padding:20px;
  box-shadow:0 10px 26px rgba(20,44,120,.06);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(20,44,120,.12);}
.stat strong{display:block;font-size:26px;line-height:1.25;color:#1732c9;}
.stat span{display:block;font-size:13.5px;color:#54638a;margin-top:4px;}

/* 通用区块 */
.section{padding:72px 0;}
.section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
.section-head h2{font-size:clamp(23px,2.6vw,30px);line-height:1.35;margin:14px 0 12px;letter-spacing:-.01em;}
.section-head p{color:#54638a;font-size:15.5px;}
.grid{display:grid;gap:18px;}
.g2{grid-template-columns:repeat(2,minmax(0,1fr));}
.g3{grid-template-columns:repeat(3,minmax(0,1fr));}
.g4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;padding:22px;
  box-shadow:0 8px 24px rgba(20,44,120,.05);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:#c4d4fb;box-shadow:0 18px 36px rgba(20,44,120,.12);}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{color:#54638a;font-size:14.5px;line-height:1.75;}

/* 图片展示 */
.media-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px;}
.media-item{
  margin:0;border-radius:16px;overflow:hidden;background:#ffffff;
  border:1px solid #e0e8fa;box-shadow:0 10px 26px rgba(20,44,120,.06);
}
.media-item img{display:block;width:100%;height:auto;}

/* 标签云 */
.tagbox{
  margin-top:22px;background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;padding:24px;
  box-shadow:0 8px 24px rgba(20,44,120,.05);
}
.tagbox-title{font-size:14px;font-weight:600;color:#1732c9;margin-bottom:14px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag-cloud li{
  padding:6px 13px;border-radius:999px;background:#f3f7ff;border:1px solid #dbe6fb;
  font-size:13px;color:#2b3a5c;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag-cloud li:hover{background:#e6edff;border-color:#bccffa;color:#1732c9;transform:translateY(-2px);}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.step{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;padding:20px;
  box-shadow:0 8px 24px rgba(20,44,120,.05);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(20,44,120,.12);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:10px;
  background:linear-gradient(135deg,#3459ff,#1732c9);color:#ffffff;
  font-size:14px;font-weight:700;margin-bottom:12px;
}
.step h3{font-size:15.5px;margin-bottom:6px;}
.step p{font-size:13.8px;color:#54638a;line-height:1.7;}

/* 案例 */
.case-card{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:18px;overflow:hidden;
  box-shadow:0 10px 26px rgba(20,44,120,.06);
  transition:transform .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(20,44,120,.13);}
.case-media{
  aspect-ratio:4/3;background:#eef3ff;
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid #eef2fb;
}
.case-media img{display:block;width:100%;height:100%;object-fit:contain;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16.5px;margin-bottom:7px;}
.case-body p{font-size:14px;color:#54638a;line-height:1.7;}

/* 评论 */
.review-card{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;padding:22px;
  box-shadow:0 8px 24px rgba(20,44,120,.05);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(20,44,120,.12);}
.stars{color:#f5a623;font-size:14px;letter-spacing:2px;}
.review-text{font-size:14.5px;color:#3d4b6e;line-height:1.8;}
.review-user{display:flex;flex-direction:column;gap:2px;margin-top:auto;padding-top:6px;border-top:1px dashed #e6ecf9;}
.review-user strong{font-size:14.5px;color:#0b1a44;}
.review-user span{font-size:13px;color:#7b88a8;}

/* 评分条 */
.score-bar{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#eaf0ff 0%,#ffffff 60%);
  border:1px solid #d6e1fb;border-radius:18px;padding:24px 28px;margin-bottom:22px;
  box-shadow:0 12px 30px rgba(20,44,120,.07);
}
.score-main{display:flex;align-items:baseline;gap:6px;color:#1732c9;}
.score-main strong{font-size:42px;line-height:1;letter-spacing:-.02em;}
.score-main span{font-size:15px;color:#54638a;}
.score-info{flex:1;min-width:200px;}
.score-info .stars{font-size:17px;}
.score-info p{margin-top:4px;font-size:14px;color:#3d4b6e;}
.score-tag{
  padding:8px 16px;border-radius:999px;background:#1732c9;color:#ffffff;
  font-size:13.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 18px rgba(23,50,201,.26);
}

/* 表格 */
.table-wrap{
  overflow-x:auto;background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;
  box-shadow:0 10px 26px rgba(20,44,120,.06);
}
table{border-collapse:collapse;width:100%;min-width:700px;font-size:14.5px;}
th{
  background:#eef3ff;color:#132a6b;text-align:left;padding:15px 18px;
  font-weight:600;white-space:nowrap;border-bottom:1px solid #dde7fb;
}
td{padding:14px 18px;border-top:1px solid #eef2fb;color:#3d4b6e;vertical-align:top;}
td:first-child{color:#0b1a44;font-weight:600;}
tbody tr{transition:background .18s ease;}
tbody tr:hover{background:#f7faff;}

/* FAQ */
.faq-item{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#c4d4fb;box-shadow:0 10px 24px rgba(20,44,120,.08);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 52px 16px 20px;
  position:relative;font-size:15.5px;font-weight:600;color:#0b1a44;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;line-height:1;color:#1732c9;
  transition:transform .2s ease;
}
.faq-item[open] summary{color:#1732c9;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:#54638a;line-height:1.8;}

/* 文章列表 */
.news-list{display:grid;gap:12px;}
.news-item{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item a{display:block;padding:18px 22px;}
.news-item a:hover{transform:translateY(-2px);}
.news-item:hover{border-color:#c4d4fb;box-shadow:0 14px 30px rgba(20,44,120,.1);}
.news-item strong{display:block;font-size:15.5px;color:#0b1a44;margin-bottom:4px;}
.news-item span{display:block;font-size:13.8px;color:#54638a;line-height:1.7;}

/* 表单 */
.form-card{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:20px;padding:30px;
  box-shadow:0 14px 36px rgba(20,44,120,.08);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:600;color:#26375e;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #dbe4fa;border-radius:11px;
  font-size:14.5px;color:#0c1631;background:#f8faff;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#3459ff;background:#ffffff;
  box-shadow:0 0 0 3px rgba(52,89,255,.14);
}
.form-submit{width:100%;margin-top:4px;}
.form-tip{margin-top:12px;font-size:13px;color:#7b88a8;text-align:center;}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px;align-items:start;}
.contact-list{display:grid;gap:12px;}
.contact-item{
  display:flex;align-items:flex-start;gap:12px;
  background:#ffffff;border:1px solid #e0e8fa;border-radius:14px;padding:16px 18px;
  box-shadow:0 8px 22px rgba(20,44,120,.05);
  transition:transform .2s ease,box-shadow .2s ease;
}
.contact-item:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(20,44,120,.1);}
.contact-label{font-size:13px;color:#7b88a8;min-width:78px;flex-shrink:0;}
.contact-value{font-size:14.5px;color:#0b1a44;word-break:break-all;}
.qr-card{
  background:#ffffff;border:1px solid #e0e8fa;border-radius:18px;padding:22px;text-align:center;
  box-shadow:0 12px 30px rgba(20,44,120,.08);
}
.qr-box{
  width:170px;margin:0 auto 14px;border-radius:14px;overflow:hidden;
  border:1px solid #e6ecf9;background:#f8faff;padding:8px;
}
.qr-box img{display:block;width:100%;height:auto;}
.qr-card p{font-size:13.5px;color:#54638a;}

/* 页脚 */
.site-footer{
  background:#0b1a44;color:#c6d4f5;padding:46px 0 0;margin-top:8px;
}
.footer-inner{
  display:grid;grid-template-columns:1fr 1.4fr;gap:30px;
  padding-bottom:28px;border-bottom:1px solid rgba(198,212,245,.18);
}
.footer-brand strong{display:block;font-size:19px;color:#ffffff;margin-bottom:8px;}
.footer-brand p{font-size:13.8px;color:#a9bce5;line-height:1.8;}
.footer-brand .footer-home{
  display:inline-block;margin-top:10px;font-size:13.5px;color:#8fb0ff;
  border-bottom:1px solid rgba(143,176,255,.4);padding-bottom:1px;
}
.footer-brand .footer-home:hover{color:#ffffff;border-color:#ffffff;}
.footer-label{display:block;font-size:13px;color:#8fa5cf;margin-bottom:12px;letter-spacing:.06em;}
.footer-links ul{display:flex;flex-wrap:wrap;gap:8px 0;}
.footer-links li{width:50%;}
.footer-links a{
  display:inline-block;font-size:13.8px;color:#c6d4f5;padding:3px 0;
  transition:color .18s ease;
}
.footer-links a:hover{color:#ffffff;}
.footer-bottom{
  padding:16px 0 22px;font-size:13px;color:#93a7d1;text-align:center;
}

/* 浮动客服 */
.dock{position:fixed;right:18px;bottom:20px;z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.dock-btn{
  border:none;cursor:pointer;color:#ffffff;font-weight:600;
  background:linear-gradient(135deg,#3459ff,#1732c9);
  box-shadow:0 12px 26px rgba(23,50,201,.32);
  transition:transform .2s ease,box-shadow .2s ease;
}
.dock-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(23,50,201,.4);}
#dockToggle{width:54px;height:54px;border-radius:16px;font-size:14px;letter-spacing:.04em;}
#backTop{
  width:44px;height:44px;border-radius:14px;font-size:18px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0);}
.dock-panel{
  display:none;width:226px;background:#ffffff;border:1px solid #e0e8fa;border-radius:16px;
  padding:16px;box-shadow:0 22px 44px rgba(20,44,120,.18);text-align:center;
}
.dock-panel.open{display:block;}
.dock-panel img{display:block;width:100%;height:auto;border-radius:10px;margin-bottom:10px;}
.dock-panel p{font-size:13px;color:#3d4b6e;line-height:1.8;}
.dock-panel p strong{color:#1732c9;}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:1000px){
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    background:#ffffff;border:1px solid #e2e9f9;border-radius:16px;
    box-shadow:0 22px 46px rgba(16,40,120,.16);
    padding:12px;flex-direction:column;align-items:stretch;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:11px 14px;font-size:14.5px;}
}
@media (max-width:860px){
  .g3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid{grid-template-columns:1fr;}
  .score-bar{padding:20px;}
}
@media (max-width:640px){
  .section{padding:52px 0;}
  .hero{padding:52px 0 46px;}
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .media-row{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px;}
  .stat{padding:16px;}
  .stat strong{font-size:22px;}
  .form-card{padding:20px;}
  .footer-links li{width:100%;}
  .score-main strong{font-size:34px;}
  .hero-actions{gap:10px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .qr-box{width:150px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}