:root{
  --bg:#fffdf7;
  --ink:#2c2340;
  --ink2:#5d5470;
  --pink:#ff5d8f;
  --orange:#ff9f43;
  --yellow:#ffd93d;
  --green:#3ddc97;
  --blue:#4d96ff;
  --purple:#8b5cf6;
  --radius:18px;
  --shadow:0 8px 28px rgba(44,35,64,.10);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;}
img{max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:64px 0;}
h2.sec-title{font-size:clamp(24px,3.4vw,34px);text-align:center;margin-bottom:10px;}
.sec-sub{text-align:center;color:var(--ink2);max-width:640px;margin:0 auto 40px;}
.tag-pill{display:inline-block;background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;font-size:13px;padding:4px 14px;border-radius:999px;margin-bottom:14px;}

/* header */
header.site{position:sticky;top:0;z-index:100;background:rgba(255,253,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid #f0e9dc;}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;flex-wrap:wrap;gap:8px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;}
.brand img{width:40px;}
.nav-links{display:flex;gap:0;align-items:center;flex-wrap:wrap;}
.nav-links a{padding:8px 13px;font-size:14px;color:var(--ink2);border-radius:8px;transition:.25s;}
.nav-links a:hover{color:var(--pink);background:#fff3f7;}
.btn{display:inline-block;border:none;cursor:pointer;font-size:15px;font-weight:600;padding:12px 26px;border-radius:999px;transition:.25s;}
.btn-primary{background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;box-shadow:0 6px 18px rgba(255,93,143,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,93,143,.45);}
.btn-ghost{background:#fff;color:var(--pink);border:2px solid var(--pink);}
.btn-ghost:hover{background:#fff3f7;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink);}

/* hero */
.hero{padding:80px 0 70px;position:relative;overflow:hidden;background:
  radial-gradient(circle at 12% 20%,rgba(255,93,143,.14),transparent 40%),
  radial-gradient(circle at 88% 15%,rgba(61,220,151,.16),transparent 42%),
  radial-gradient(circle at 75% 85%,rgba(77,150,255,.14),transparent 45%),
  radial-gradient(circle at 20% 90%,rgba(255,217,61,.18),transparent 40%),var(--bg);}
.hero-inner{max-width:820px;margin:0 auto;text-align:center;position:relative;z-index:2;}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.3;margin-bottom:18px;}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--pink),var(--orange));-webkit-text-fill-color:currentColor;color:var(--pink);}
.hero p.lead{color:var(--ink2);font-size:clamp(15px,2vw,18px);max-width:640px;margin:0 auto 30px;}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:36px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.chip{background:#fff;border:1px solid #f0e4d8;border-radius:999px;padding:6px 16px;font-size:13px;color:var(--ink2);box-shadow:0 3px 10px rgba(44,35,64,.06);transition:.25s;}
.chip:hover{transform:translateY(-3px);color:var(--pink);border-color:var(--pink);}
.blob{position:absolute;border-radius:50%;filter:blur(4px);opacity:.5;animation:float 7s ease-in-out infinite;}
.blob.b1{width:70px;height:70px;background:var(--yellow);top:12%;left:6%;}
.blob.b2{width:46px;height:46px;background:var(--green);bottom:18%;right:8%;animation-delay:1.4s;}
.blob.b3{width:34px;height:34px;background:var(--blue);top:60%;left:12%;animation-delay:2.6s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-18px);}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{background:#fff;border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow);transition:.3s;}
.stat-card:hover{transform:translateY(-6px);}
.stat-card .num{font-size:30px;font-weight:800;background:linear-gradient(90deg,var(--pink),var(--purple));-webkit-text-fill-color:initial;color:var(--pink);}
.stat-card .lab{color:var(--ink2);font-size:14px;margin-top:4px;}

/* about */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start;}
.about-text p{color:var(--ink2);margin-bottom:14px;}
.about-list{list-style:none;}
.about-list li{padding:8px 0 8px 30px;position:relative;color:var(--ink);}
.about-list li::before{content:"✦";position:absolute;left:4px;color:var(--orange);}
.about-side{background:linear-gradient(150deg,#fff4f8,#fffbe9);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.about-side h3{margin-bottom:12px;font-size:18px;}
.mini-flow{display:flex;flex-direction:column;gap:10px;}
.mini-flow span{background:#fff;border-radius:12px;padding:10px 14px;font-size:14px;color:var(--ink2);border-left:4px solid var(--pink);}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.svc-card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.3s;border-top:5px solid var(--blue);}
.svc-card:nth-child(3n+1){border-color:var(--pink);}
.svc-card:nth-child(3n+2){border-color:var(--orange);}
.svc-card:nth-child(3n){border-color:var(--green);}
.svc-card:hover{transform:translateY(-8px);box-shadow:0 14px 34px rgba(44,35,64,.16);}
.svc-card .ico{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px;background:linear-gradient(135deg,#fff0f5,#fff7e6);}
.svc-card h3{font-size:17px;margin-bottom:8px;}
.svc-card p{font-size:14px;color:var(--ink2);}

/* models */
.model-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.mtag{background:#fff;border:1px solid #eee0d0;border-radius:999px;padding:8px 20px;font-size:14px;font-weight:600;color:var(--ink);transition:.25s;box-shadow:0 3px 8px rgba(44,35,64,.05);}
.mtag:hover{background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;border-color:transparent;transform:translateY(-3px);}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{background:#fff;border-radius:var(--radius);padding:22px 16px;text-align:center;box-shadow:var(--shadow);position:relative;transition:.3s;}
.step:hover{transform:translateY(-6px);}
.step .no{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--purple),var(--pink));}
.step h3{font-size:15px;margin-bottom:6px;}
.step p{font-size:13px;color:var(--ink2);}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;}
.case-card:hover{transform:translateY(-6px);}
.case-card .case-img{aspect-ratio:16/9;background:#f6efe6;display:flex;align-items:center;justify-content:center;}
.case-card img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:18px;}
.case-body h3{font-size:16px;margin-bottom:6px;}
.case-body p{font-size:13px;color:var(--ink2);}

/* compare */
.table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);}
table{width:100%;border-collapse:collapse;min-width:640px;}
th,td{padding:14px 16px;text-align:left;font-size:14px;border-bottom:1px solid #f3ece0;}
thead th{background:linear-gradient(90deg,#fff0f5,#fff7e6);font-size:15px;}
td.dim{color:var(--ink2);}
tr:hover td{background:#fffaf2;}
.score-badge{display:inline-block;background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;border-radius:999px;padding:4px 14px;font-weight:700;}
.stars{color:var(--orange);letter-spacing:2px;}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.3s;position:relative;}
.review:hover{transform:translateY(-6px);}
.review::before{content:"“";position:absolute;top:6px;right:18px;font-size:56px;color:#ffe1ea;font-family:serif;}
.review p{font-size:14px;color:var(--ink2);margin-bottom:14px;}
.review .who{display:flex;align-items:center;gap:10px;}
.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;}
.r1{background:var(--pink);}.r2{background:var(--blue);}.r3{background:var(--green);}.r4{background:var(--purple);}.r5{background:var(--orange);}.r6{background:#f06292;}
.who b{font-size:14px;display:block;}
.who span{font-size:12px;color:var(--ink2);}

/* price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.price-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);text-align:center;transition:.3s;border:2px solid transparent;}
.price-card:hover{transform:translateY(-6px);}
.price-card.hot{border-color:var(--pink);}
.price-card h3{font-size:18px;margin-bottom:8px;}
.price-card .val{font-size:32px;font-weight:800;color:var(--pink);margin-bottom:12px;}
.price-card ul{list-style:none;text-align:left;margin-bottom:20px;}
.price-card li{font-size:14px;color:var(--ink2);padding:6px 0 6px 24px;position:relative;}
.price-card li::before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:700;}

/* faq */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{background:#fff;border-radius:14px;box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 22px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-family:inherit;}
.faq-q .ar{transition:.3s;color:var(--pink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--ink2);font-size:14px;padding:0 22px;}
.faq-item.open .faq-a{padding-bottom:18px;}
.faq-item.open .ar{transform:rotate(180deg);}

/* timeline */
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(var(--pink),var(--purple));}
.tl-item{position:relative;margin-bottom:26px;background:#fff;border-radius:14px;padding:18px 22px;box-shadow:var(--shadow);}
.tl-item::before{content:"";position:absolute;left:-27px;top:24px;width:14px;height:14px;border-radius:50%;background:var(--pink);border:3px solid #fff;box-shadow:0 0 0 3px #ffe1ea;}
.tl-item h3{font-size:16px;margin-bottom:4px;}
.tl-item p{font-size:14px;color:var(--ink2);}

/* network */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.net-card{background:#fff;border-radius:14px;padding:20px;text-align:center;box-shadow:var(--shadow);font-size:14px;transition:.3s;}
.net-card:hover{transform:translateY(-4px);color:var(--pink);}
.net-card b{display:block;font-size:16px;margin-bottom:4px;}

/* articles */
.art-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.art-item{background:#fff;border-radius:14px;padding:20px;box-shadow:var(--shadow);transition:.3s;display:block;}
.art-item:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(44,35,64,.15);}
.art-item h3{font-size:15px;margin-bottom:6px;}
.art-item p{font-size:13px;color:var(--ink2);}

/* form */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;}
.contact-info h3{margin-bottom:12px;}
.contact-info p{color:var(--ink2);font-size:14px;margin-bottom:8px;}
.contact-side{background:linear-gradient(150deg,#fff4f8,#eefaf3);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.qr-box{text-align:center;}
.qr-box img{width:160px;border-radius:12px;}
.form-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:12px 14px;border:1.5px solid #eee0d0;border-radius:10px;font-size:14px;font-family:inherit;background:#fffdf7;color:var(--ink);transition:.25s;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,93,143,.12);}

/* footer */
footer.site{background:#2c2340;color:#d8d2e6;padding:48px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;padding-bottom:32px;}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:14px;}
.foot-grid a{display:block;font-size:14px;padding:4px 0;color:#c9c1dd;transition:.2s;}
.foot-grid a:hover{color:var(--yellow);}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;}
.foot-links a{display:inline;}
.copyright{border-top:1px solid #443a5c;padding:18px 0;text-align:center;font-size:13px;color:#a79cc4;}
.copyright a{color:#c9c1dd;}

/* float */
.float-bar{position:fixed;right:18px;bottom:90px;z-index:200;display:flex;flex-direction:column;gap:10px;}
.float-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;color:#fff;font-size:22px;box-shadow:0 6px 18px rgba(44,35,64,.25);transition:.25s;display:flex;align-items:center;justify-content:center;font-weight:700;}
.float-btn:hover{transform:translateY(-4px);}
.fb1{background:linear-gradient(135deg,var(--green),var(--blue));}
.fb2{background:linear-gradient(135deg,var(--pink),var(--orange));}
#backTop{position:fixed;right:18px;bottom:24px;width:44px;height:44px;border-radius:50%;border:none;background:#fff;color:var(--pink);box-shadow:var(--shadow);cursor:pointer;font-size:18px;display:none;z-index:200;}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.show{opacity:1;transform:none;}

@media(max-width:960px){
  .svc-grid,.case-grid,.review-grid,.art-list,.price-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .net-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid,.contact-wrap{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;width:100%;flex-direction:column;padding-bottom:12px;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:10px 13px;}
  .nav-toggle{display:block;}
}
@media(max-width:560px){
  .svc-grid,.case-grid,.review-grid,.art-list,.price-grid,.steps,.net-grid,.foot-grid{grid-template-columns:1fr;}
  section{padding:48px 0;}
}