:root{
  --brand:#6C4BE0; --brand-l:#8B6CF0;
  --gold:#D9B166;
  --ink:#14101F; --ink-2:#241A42;
  --text:#22212A; --muted:#6b7280; --line:#ECEBF2;
  --soft:#F8F7FC;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:#fff;line-height:1.75;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;
  transition:background .3s,box-shadow .3s;}
nav.solid{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(0,0,0,.06);}
.nav-in{max-width:1140px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;
  color:#fff;transition:color .3s;}
nav.solid .logo{color:var(--ink);}
.logo .mark{width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-l));
  color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;}
.links{display:flex;gap:30px;font-size:15px;}
.links a{color:rgba(255,255,255,.82);transition:color .2s;padding-bottom:2px;}
.links a:hover{color:#fff;}
.links a.on{color:#fff;border-bottom:2px solid var(--gold);}
nav.solid .links a{color:#57556a;}
nav.solid .links a:hover{color:var(--brand);}
nav.solid .links a.on{color:var(--brand);border-bottom-color:var(--brand);}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#191330 0%,#241A42 45%,#31215A 100%);
  padding:160px 24px 110px;}
.hero::before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,108,240,.38) 0%,transparent 62%);
  top:-260px;right:-160px;}
.hero::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,177,102,.16) 0%,transparent 65%);
  bottom:-250px;left:-130px;}
.hero-in{position:relative;max-width:880px;margin:0 auto;text-align:center;}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold);
  border:1px solid rgba(217,177,102,.42);border-radius:100px;padding:6px 18px;margin-bottom:28px;}
.hero h1{font-size:54px;font-weight:600;letter-spacing:2px;line-height:1.25;margin-bottom:22px;}
.hero h1 em{font-style:normal;
  background:linear-gradient(90deg,#B9A6FF,#E2D5FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{font-size:17px;color:rgba(255,255,255,.72);max-width:660px;margin:0 auto 38px;}
.acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 内页页头 ---------- */
.page-head{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#191330 0%,#241A42 55%,#2E1F52 100%);
  padding:150px 24px 72px;text-align:center;}
.page-head::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,108,240,.3) 0%,transparent 62%);
  top:-280px;right:-140px;}
.page-head-in{position:relative;max-width:820px;margin:0 auto;}
.page-head h1{font-size:40px;font-weight:600;letter-spacing:1.5px;margin-bottom:14px;}
.page-head p{color:rgba(255,255,255,.7);font-size:16px;max-width:640px;margin:0 auto;}

/* ---------- 按钮 ---------- */
.btn{padding:13px 34px;border-radius:10px;font-size:15px;transition:all .22s;
  display:inline-block;cursor:pointer;}
.btn-main{background:linear-gradient(135deg,var(--brand),var(--brand-l));color:#fff;
  box-shadow:0 10px 26px rgba(108,75,224,.32);}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(108,75,224,.42);}
.btn-line{border:1px solid rgba(255,255,255,.28);color:#fff;}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-soft{border:1px solid #DDD6F5;color:var(--brand);}
.btn-soft:hover{border-color:var(--brand);background:rgba(108,75,224,.04);}

/* ---------- 区块 ---------- */
section{padding:84px 0;}
.soft{background:var(--soft);}
.head{text-align:center;margin-bottom:52px;}
.head .tag{font-size:12.5px;letter-spacing:3px;color:var(--brand);font-weight:500;text-transform:uppercase;}
.head h2{font-size:33px;font-weight:600;margin:12px 0 14px;letter-spacing:.5px;}
.head p{color:var(--muted);font-size:15.5px;max-width:640px;margin:0 auto;}
.rule{width:46px;height:3px;border-radius:2px;margin:18px auto 0;
  background:linear-gradient(90deg,var(--brand),var(--brand-l));}

/* ---------- 数据条 ---------- */
.stats-in{background:#fff;border-radius:18px;padding:34px 24px;display:grid;
  grid-template-columns:repeat(4,1fr);gap:18px;box-shadow:0 18px 46px rgba(28,20,58,.12);}
.stat{text-align:center;}
.stat .num{font-size:32px;font-weight:600;color:var(--ink);letter-spacing:-.5px;}
.stat .num small{font-size:16px;font-weight:500;margin-left:2px;color:var(--brand);}
.stat .lb{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- 卡片 ---------- */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px;
  transition:transform .28s,box-shadow .28s,border-color .28s;}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(40,28,80,.1);border-color:#DDD6F5;}
.card .ico{width:50px;height:50px;border-radius:14px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(108,75,224,.12),rgba(139,108,240,.16));
  color:var(--brand);font-size:13px;font-weight:600;
  display:flex;align-items:center;justify-content:center;}
.card h3{font-size:19px;font-weight:600;margin-bottom:12px;}
.card p{color:#63617a;font-size:14.6px;}
.card .more{display:inline-block;margin-top:16px;color:var(--brand);font-size:14px;}
.card .more::after{content:" →";}

/* ---------- 服务列表 ---------- */
.svc-list{list-style:none;margin-top:6px;}
.svc-list li{color:#5d5b70;font-size:14.8px;margin-bottom:11px;padding-left:20px;position:relative;}
.svc-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;
  border-radius:50%;background:var(--brand-l);}
.svc-list li b{color:var(--ink);font-weight:500;}

/* ---------- 流程 ---------- */
.flow-step{background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:34px 30px;text-align:center;}
.flow-step .n{width:46px;height:46px;border-radius:50%;margin:0 auto 16px;
  background:linear-gradient(135deg,var(--brand),var(--brand-l));color:#fff;
  font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center;}
.flow-step h4{font-size:18px;font-weight:600;margin-bottom:8px;}
.flow-step p{color:var(--muted);font-size:14.5px;}

/* ---------- 案例 ---------- */
.case{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;
  transition:transform .28s,box-shadow .28s;}
.case:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(40,28,80,.1);}
.case .top{height:112px;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:500;color:#fff;letter-spacing:1px;text-align:center;padding:0 16px;
  background:linear-gradient(135deg,#2A2145,#3D2C68);}
.case:nth-child(2) .top{background:linear-gradient(135deg,#243A4A,#2F5A6E);}
.case:nth-child(3) .top{background:linear-gradient(135deg,#3A2E24,#5E4526);}
.case:nth-child(4) .top{background:linear-gradient(135deg,#1F3A33,#2C5A4C);}
.case:nth-child(5) .top{background:linear-gradient(135deg,#332436,#55305A);}
.case:nth-child(6) .top{background:linear-gradient(135deg,#22304A,#33497A);}
.case .body{padding:22px 24px 24px;}
.case .body h4{font-size:17px;font-weight:600;margin-bottom:9px;}
.case .body p{color:#63617a;font-size:14.2px;margin-bottom:14px;}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{font-size:12px;color:var(--brand);background:rgba(108,75,224,.08);
  border-radius:100px;padding:4px 12px;}

/* ---------- 优势 ---------- */
.adv-card{background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:32px 30px;display:flex;gap:18px;}
.adv-card .no{font-size:15px;font-weight:600;color:var(--gold);flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;background:rgba(217,177,102,.12);
  display:flex;align-items:center;justify-content:center;}
.adv-card h4{font-size:17.5px;font-weight:600;margin-bottom:9px;}
.adv-card p{color:#63617a;font-size:14.5px;}

/* ---------- 信息表 ---------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 28px;}
.panel .row{display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:15px 0;border-bottom:1px dashed var(--line);font-size:15px;}
.panel .row:last-child{border-bottom:none;}
.panel .k{color:var(--muted);flex:0 0 auto;}
.panel .v{color:var(--ink);font-weight:500;text-align:right;}

/* ---------- 区块CTA ---------- */
.cta{background:linear-gradient(135deg,#191330 0%,#251A45 50%,#33225F 100%);
  color:#fff;padding:76px 24px;position:relative;overflow:hidden;}
.cta::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,108,240,.3) 0%,transparent 62%);
  top:-250px;left:-140px;}
.cta-in{position:relative;max-width:900px;margin:0 auto;text-align:center;}
.cta h2{font-size:30px;font-weight:600;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.7);font-size:15.5px;max-width:620px;margin:0 auto 32px;}

/* ---------- 联系信息行 ---------- */
.contact-line{display:flex;gap:44px;justify-content:center;flex-wrap:wrap;font-size:15.5px;}
.contact-line .ci{color:rgba(255,255,255,.88);}
.contact-line .ci span{color:var(--gold);margin-right:8px;font-size:13.5px;letter-spacing:1px;}

/* ---------- 页脚 ---------- */
footer{background:#100D18;color:#8d89a0;padding:34px 24px;text-align:center;font-size:13.5px;}
footer .fn{color:#fff;font-size:15px;font-weight:500;margin-bottom:8px;}
footer a{color:#8d89a0;}
footer a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .grid4{grid-template-columns:repeat(2,1fr);}
  .grid3{grid-template-columns:repeat(2,1fr);}
  .grid2{grid-template-columns:1fr;}
  .hero h1{font-size:38px;}
}
@media (max-width:768px){
  .nav-in{flex-direction:column;gap:10px;padding:12px 18px;}
  .links{gap:15px;font-size:13.5px;flex-wrap:wrap;justify-content:center;}
  .hero{padding:170px 20px 76px;}
  .hero h1{font-size:30px;letter-spacing:1px;}
  .hero .lead{font-size:15px;}
  .page-head{padding:164px 20px 56px;}
  .page-head h1{font-size:27px;}
  section{padding:60px 0;}
  .head h2{font-size:25px;}
  .stats-in{grid-template-columns:repeat(2,1fr);gap:22px;padding:26px 18px;}
  .stat .num{font-size:26px;}
  .grid3,.grid4{grid-template-columns:1fr;}
  .cta h2{font-size:23px;}
}

/* ---------- 微信二维码 ---------- */
.qr-wrap{max-width:440px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:22px;padding:46px 36px 40px;text-align:center;
  box-shadow:0 18px 46px rgba(40,28,80,.08);}
.qr-img{width:232px;height:232px;margin:0 auto 24px;border-radius:16px;overflow:hidden;
  background:var(--soft);display:flex;align-items:center;justify-content:center;}
.qr-img img{width:100%;height:100%;object-fit:contain;}
.qr-ph{width:232px;height:232px;margin:0 auto 24px;border-radius:16px;
  border:2px dashed #DDD6F5;background:var(--soft);color:#b3aed0;font-size:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;}
.qr-ph small{font-size:12.5px;color:#c5c1da;}
.qr-wrap h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.qr-wrap p{color:var(--muted);font-size:14.5px;}
.qr-wrap .qr-tip{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13.5px;color:#9aa0a6;}