*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;color:#1e2433;line-height:1.7;background:#f6f8fc}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:70px 0}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .tag{display:inline-block;background:linear-gradient(90deg,#6a3cf5,#e0348b);color:#fff;font-size:13px;padding:4px 16px;border-radius:20px;margin-bottom:12px}
.sec-head h2{font-size:30px;font-weight:800;background:linear-gradient(90deg,#4a1fd0,#d62b7e);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head p{color:#5c657a;margin-top:8px;font-size:15px}
/* nav */
header{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.96);box-shadow:0 2px 12px rgba(60,30,140,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-links{display:flex;gap:0;align-items:center}
.nav-links a{font-size:14px;padding:8px 12px;color:#333;font-weight:500;border-radius:6px;transition:.25s;white-space:nowrap}
.nav-links a:hover{color:#6a3cf5;background:#f1ecff}
.nav-toggle{display:none;font-size:24px;cursor:pointer;color:#6a3cf5;background:none;border:none}
.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;border:none;transition:.25s}
.btn-main{background:linear-gradient(90deg,#6a3cf5,#e0348b);color:#fff;box-shadow:0 6px 18px rgba(106,60,245,.35)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(106,60,245,.45)}
.btn-ghost{background:#fff;color:#6a3cf5;border:2px solid #6a3cf5}
.btn-ghost:hover{background:#f1ecff}
/* hero */
.hero{background:linear-gradient(135deg,#2b0a6e 0%,#6a3cf5 45%,#e0348b 100%);color:#fff;padding:90px 0 100px;position:relative;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;opacity:.15;background:#fff}
.hero::before{width:400px;height:400px;top:-120px;right:-80px}
.hero::after{width:260px;height:260px;bottom:-80px;left:-60px}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero h1{font-size:40px;font-weight:900;line-height:1.35;margin-bottom:18px}
.hero .sub{font-size:17px;opacity:.92;max-width:760px;margin:0 auto 14px}
.hero .kw{font-size:15px;opacity:.85;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-btns .btn-ghost{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}
.hero-btns .btn-ghost:hover{background:rgba(255,255,255,.25)}
.hero-stats{display:flex;justify-content:center;gap:22px;margin-top:52px;flex-wrap:wrap}
.hstat{background:rgba(255,255,255,.14);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:18px 30px;min-width:160px}
.hstat b{font-size:28px;display:block}
.hstat span{font-size:13px;opacity:.85}
/* cards */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:14px;padding:26px;box-shadow:0 4px 18px rgba(60,30,140,.07);transition:.3s;border:1px solid #eef0f7}
.card:hover{transform:translateY(-5px);box-shadow:0 12px 28px rgba(106,60,245,.16)}
.card .ico{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:linear-gradient(135deg,#6a3cf5,#e0348b);color:#fff;font-size:22px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14px;color:#5c657a}
/* about */
.about-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about-wrap ul{list-style:none;margin-top:16px}
.about-wrap li{padding:7px 0 7px 26px;position:relative;font-size:15px;color:#3a4256}
.about-wrap li::before{content:"✓";position:absolute;left:0;color:#e0348b;font-weight:700}
/* flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.fstep{background:#fff;border-radius:14px;padding:26px 18px;text-align:center;position:relative;box-shadow:0 4px 14px rgba(60,30,140,.06)}
.fstep .num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#6a3cf5,#e0348b);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.fstep h4{font-size:15px;margin-bottom:6px}
.fstep p{font-size:13px;color:#5c657a}
/* table */
.table-wrap{overflow-x:auto;background:#fff;border-radius:14px;box-shadow:0 4px 18px rgba(60,30,140,.07)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:14px 18px;font-size:14px;border-bottom:1px solid #eef0f7;text-align:left}
th{background:linear-gradient(90deg,#6a3cf5,#e0348b);color:#fff}
tr:last-child td{border-bottom:none}
tr:hover td{background:#f7f4ff}
.star{color:#f5a623}
.score{font-weight:900;color:#d62b7e;font-size:18px}
/* faq */
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 3px 12px rgba(60,30,140,.06);overflow:hidden}
.faq-q{padding:16px 22px;cursor:pointer;font-weight:600;font-size:15px;display:flex;justify-content:space-between;align-items:center;color:#2a2150}
.faq-q::after{content:"+";font-size:20px;color:#6a3cf5;transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s;padding:0 22px;font-size:14px;color:#5c657a}
.faq-item.open .faq-a{padding-bottom:16px}
/* reviews */
.review{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 14px rgba(60,30,140,.06);border-top:4px solid #6a3cf5;transition:.3s}
.review:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(106,60,245,.15)}
.review .who{font-weight:700;margin-top:12px;color:#2a2150}
.review .role{font-size:12px;color:#9aa1b5}
.review .stars{color:#f5a623;margin-bottom:8px}
/* cases */
.case-img{border-radius:14px;overflow:hidden;box-shadow:0 6px 20px rgba(60,30,140,.1)}
.case-img img{width:100%;transition:.4s}
.case-img:hover img{transform:scale(1.04)}
/* tags */
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tags a{background:#fff;border:1px solid #dcd6f5;color:#5a3fd0;padding:7px 18px;border-radius:20px;font-size:13px;transition:.25s}
.tags a:hover{background:#6a3cf5;color:#fff}
/* timeline */
.timeline{max-width:800px;margin:0 auto;position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:linear-gradient(#6a3cf5,#e0348b);border-radius:3px}
.tl-item{position:relative;margin-bottom:26px;background:#fff;padding:18px 22px;border-radius:12px;box-shadow:0 3px 12px rgba(60,30,140,.06)}
.tl-item::before{content:"";position:absolute;left:-29px;top:24px;width:13px;height:13px;border-radius:50%;background:#e0348b;border:3px solid #fff;box-shadow:0 0 0 2px #6a3cf5}
/* form */
.form-sec{background:linear-gradient(135deg,#2b0a6e,#6a3cf5);color:#fff}
.form-card{background:#fff;border-radius:16px;padding:34px;color:#1e2433;max-width:640px;margin:0 auto;box-shadow:0 14px 40px rgba(0,0,0,.2)}
.form-card label{font-size:14px;font-weight:600;display:block;margin-bottom:6px;color:#2a2150}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:11px 14px;border:1px solid #d7d3ea;border-radius:8px;margin-bottom:16px;font-size:14px;font-family:inherit}
.form-card input:focus,.form-card textarea:focus,.form-card select:focus{outline:none;border-color:#6a3cf5;box-shadow:0 0 0 3px rgba(106,60,245,.12)}
/* network */
.net-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.net-grid span{background:#fff;text-align:center;padding:12px 6px;border-radius:10px;font-size:13px;box-shadow:0 3px 10px rgba(60,30,140,.06);color:#3a4256}
/* articles */
.art{background:#fff;border-radius:12px;padding:20px;box-shadow:0 3px 12px rgba(60,30,140,.06);transition:.3s;border-left:4px solid #e0348b}
.art:hover{transform:translateY(-4px)}
.art h4{font-size:15px;margin-bottom:6px;color:#2a2150}
.art p{font-size:13px;color:#5c657a}
.art a{color:#6a3cf5;font-size:13px;font-weight:600}
/* footer */
footer{background:#1c1236;color:#c9c4de;padding:56px 0 0}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
footer h4{color:#fff;font-size:16px;margin-bottom:14px}
footer a,footer p{font-size:13px;display:block;margin-bottom:8px;color:#c9c4de}
footer a:hover{color:#fff}
.f-bottom{border-top:1px solid #35285c;text-align:center;padding:18px 0;font-size:13px}
/* float */
.float{position:fixed;right:18px;bottom:90px;z-index:98;display:flex;flex-direction:column;gap:10px}
.float a,.float button{width:52px;height:52px;border-radius:50%;border:none;background:linear-gradient(135deg,#6a3cf5,#e0348b);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 6px 16px rgba(106,60,245,.4);display:flex;align-items:center;justify-content:center;transition:.25s}
.float a:hover,.float button:hover{transform:translateY(-3px)}
.qr-pop{position:absolute;right:70px;bottom:0;background:#fff;border-radius:12px;padding:12px;display:none;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.float{position:fixed}
.float-item{position:relative}
.float-item:hover .qr-pop{display:block}
.qr-pop img{width:130px;border-radius:8px}
#topBtn{display:none}
/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:all .7s ease}
.reveal.show{opacity:1;transform:none}
@media(max-width:960px){
.g3,.g4{grid-template-columns:repeat(2,1fr)}
.flow{grid-template-columns:repeat(2,1fr)}
.about-wrap{grid-template-columns:1fr}
.f-grid{grid-template-columns:repeat(2,1fr)}
.net-grid{grid-template-columns:repeat(3,1fr)}
.hero h1{font-size:28px}
.sec-head h2{font-size:24px}
.nav-toggle{display:block}
.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 16px;box-shadow:0 10px 20px rgba(0,0,0,.1);align-items:stretch}
.nav-links.open{display:flex}
.nav-links a{padding:12px}
}
@media(max-width:560px){
.g3,.g4,.flow,.f-grid{grid-template-columns:1fr}
section{padding:50px 0}
.hero{padding:60px 0 70px}
}