:root{--pink:#ff6b9d;--orange:#ff9a56;--yellow:#ffc94d;--green:#5ed0a5;--blue:#5aa7f0;--purple:#9b7ef0;--ink:#3a2e4f;--ink2:#6b5f80;--bg:#fff8f2;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;}
img{max-width:100%;height:auto;}
.container{max-width:1180px;margin:0 auto;padding:0 22px;}
section{padding:70px 0;}
h1{font-size:clamp(26px,4vw,44px);line-height:1.3;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.35;margin-bottom:14px;}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px;}
.sec-head p{color:var(--ink2);}
.tagline{display:inline-block;background:linear-gradient(90deg,var(--pink),var(--purple));color:#fff;font-size:14px;padding:5px 18px;border-radius:999px;margin-bottom:16px;letter-spacing:2px;}
.btn{display:inline-block;border:none;cursor:pointer;font-size:16px;font-weight:600;padding:13px 32px;border-radius:999px;transition:transform .25s,box-shadow .25s;text-decoration:none;}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(255,107,157,.35);}
.btn-primary{background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;}
.btn-ghost{background:#fff;color:var(--pink);border:2px solid var(--pink);}
/* header */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(58,46,79,.08);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;max-width:1180px;margin:0 auto;gap:16px;}
.nav .logo-link{display:flex;align-items:center;max-height:52px;}
.nav .logo-link img{max-height:52px;}
.nav-links{display:flex;gap:0;align-items:center;list-style:none;flex-wrap:wrap;}
.nav-links a{display:block;padding:8px 13px;color:var(--ink);text-decoration:none;font-size:15px;border-radius:8px;transition:background .2s,color .2s;}
.nav-links a:hover{background:#fff0f5;color:var(--pink);}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--ink);cursor:pointer;}
/* hero */
.hero{background:linear-gradient(135deg,#fff0f5 0%,#fff6e8 40%,#eef6ff 100%);position:relative;overflow:hidden;padding:90px 0 80px;text-align:center;}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;animation:float 9s ease-in-out infinite;}
.hero::before{width:340px;height:340px;background:#ffd3e3;top:-100px;left:-80px;}
.hero::after{width:300px;height:300px;background:#cfe6ff;bottom:-90px;right:-60px;animation-delay:-4s;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
.hero .container{position:relative;z-index:2;}
.hero p.lead{max-width:640px;margin:18px auto 10px;color:var(--ink2);font-size:17px;}
.hero-btns{margin:28px 0 18px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:760px;margin:0 auto;}
.chip{background:#fff;border:1px solid #f3d9e5;color:var(--ink2);font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(58,46,79,.05);}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.on{opacity:1;transform:none;}
/* stat cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{background:#fff;border-radius:18px;padding:26px 18px;text-align:center;box-shadow:0 6px 20px rgba(58,46,79,.07);border-top:4px solid var(--pink);transition:transform .3s;}
.stat:nth-child(2){border-top-color:var(--yellow);}
.stat:nth-child(3){border-top-color:var(--green);}
.stat:nth-child(4){border-top-color:var(--blue);}
.stat:hover{transform:translateY(-6px);}
.stat b{font-size:30px;display:block;background:linear-gradient(90deg,var(--pink),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{color:var(--ink2);font-size:14px;}
/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{background:#fff;border-radius:18px;padding:26px;box-shadow:0 6px 20px rgba(58,46,79,.07);transition:transform .3s,box-shadow .3s;}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(58,46,79,.13);}
.card .ico{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px;color:#fff;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{color:var(--ink2);font-size:14px;}
.c1{background:linear-gradient(135deg,var(--pink),var(--orange));}
.c2{background:linear-gradient(135deg,var(--blue),var(--purple));}
.c3{background:linear-gradient(135deg,var(--green),var(--yellow));}
.c4{background:linear-gradient(135deg,var(--purple),var(--pink));}
.c5{background:linear-gradient(135deg,var(--orange),var(--yellow));}
.c6{background:linear-gradient(135deg,var(--blue),var(--green));}
/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s;}
.step{background:#fff;border-radius:16px;padding:22px 16px;text-align:center;position:relative;box-shadow:0 6px 18px rgba(58,46,79,.07);}
.step::before{counter-increment:s;content:counter(s);display:inline-flex;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px;}
.step h3{font-size:15px;margin-bottom:6px;}
.step p{font-size:13px;color:var(--ink2);}
/* table */
.table-wrap{overflow-x:auto;background:#fff;border-radius:18px;box-shadow:0 6px 20px rgba(58,46,79,.07);}
table{width:100%;border-collapse:collapse;min-width:640px;}
th,td{padding:14px 16px;text-align:left;font-size:14px;border-bottom:1px solid #f5eaf0;}
th{background:linear-gradient(90deg,#fff0f5,#f0f6ff);color:var(--ink);}
tr:last-child td{border-bottom:none;}
.score{font-weight:700;color:var(--pink);}
.stars{color:#ffb400;letter-spacing:2px;}
/* faq */
.faq-item{background:#fff;border-radius:14px;margin-bottom:12px;box-shadow:0 4px 14px rgba(58,46,79,.06);overflow:hidden;}
.faq-item button{width:100%;background:none;border:none;text-align:left;padding:16px 20px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;}
.faq-item .ans{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--ink2);font-size:14px;padding:0 20px;}
.faq-item.open .ans{max-height:220px;padding-bottom:16px;}
.faq-item .arrow{transition:transform .3s;color:var(--pink);}
.faq-item.open .arrow{transform:rotate(45deg);}
/* reviews */
.review{background:#fff;border-radius:18px;padding:24px;box-shadow:0 6px 18px rgba(58,46,79,.07);border-left:4px solid var(--green);}
.review:nth-child(2){border-left-color:var(--blue);}
.review:nth-child(3){border-left-color:var(--yellow);}
.review:nth-child(4){border-left-color:var(--purple);}
.review:nth-child(5){border-left-color:var(--pink);}
.review:nth-child(6){border-left-color:var(--orange);}
.review .who{font-weight:700;font-size:14px;margin-bottom:8px;color:var(--ink);}
.review p{font-size:14px;color:var(--ink2);}
/* showcase */
.showcase{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;}
.showcase .wide img{width:100%;border-radius:18px;display:block;box-shadow:0 8px 24px rgba(58,46,79,.12);}
.showcase .stack{display:grid;gap:22px;}
.showcase .stack img{width:100%;border-radius:18px;display:block;box-shadow:0 8px 24px rgba(58,46,79,.12);}
/* form */
.form-card{background:#fff;border-radius:20px;padding:34px;box-shadow:0 10px 30px rgba(58,46,79,.1);max-width:680px;margin:0 auto;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-card label{font-size:14px;font-weight:600;display:block;margin-bottom:6px;}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:11px 14px;border:1.5px solid #eee0e8;border-radius:10px;font-size:14px;font-family:inherit;background:#fdfaff;color:var(--ink);}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{outline:none;border-color:var(--pink);}
.form-card textarea{min-height:110px;resize:vertical;}
.form-card .full{grid-column:1/-1;}
/* price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.price-card{background:#fff;border-radius:18px;padding:28px;text-align:center;box-shadow:0 6px 20px rgba(58,46,79,.07);position:relative;}
.price-card.hot{border:2px solid var(--pink);transform:scale(1.03);}
.price-card .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--pink),var(--orange));color:#fff;font-size:12px;padding:4px 14px;border-radius:999px;}
.price-card .amount{font-size:32px;font-weight:800;color:var(--pink);margin:10px 0;}
.price-card ul{list-style:none;margin:14px 0;text-align:left;font-size:14px;color:var(--ink2);}
.price-card ul li{padding:6px 0;border-bottom:1px dashed #f2e6ec;}
/* footer */
footer{background:#3a2e4f;color:#e8e0f2;padding:54px 0 24px;}
footer a{color:#c9bfe0;text-decoration:none;}
footer a:hover{color:#fff;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:34px;}
footer h4{color:#fff;font-size:16px;margin-bottom:14px;}
footer ul{list-style:none;font-size:14px;}
footer ul li{margin-bottom:9px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;text-align:center;font-size:13px;color:#b0a5c6;}
.links-row{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;margin-bottom:26px;}
/* floating */
.float-bar{position:fixed;right:18px;bottom:24px;z-index:99;display:flex;flex-direction:column;gap:12px;}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;text-decoration:none;box-shadow:0 8px 20px rgba(58,46,79,.25);transition:transform .25s;cursor:pointer;border:none;}
.float-btn:hover{transform:translateY(-4px);}
.fb1{background:linear-gradient(135deg,var(--green),var(--blue));}
.fb2{background:linear-gradient(135deg,var(--pink),var(--orange));}
.qr-pop{position:fixed;right:82px;bottom:24px;background:#fff;border-radius:14px;padding:14px;text-align:center;box-shadow:0 10px 30px rgba(58,46,79,.2);display:none;z-index:99;}
.qr-pop.show{display:block;}
.qr-pop img{width:140px;border-radius:8px;}
.qr-pop p{font-size:12px;color:var(--ink2);margin-top:6px;}
/* timeline */
.timeline{max-width:760px;margin:0 auto;}
.tl-item{display:flex;gap:18px;margin-bottom:26px;}
.tl-dot{flex:none;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));margin-top:6px;box-shadow:0 0 0 5px #ffe4ef;}
.tl-body h3{font-size:16px;}
.tl-body p{font-size:14px;color:var(--ink2);}
/* tags cloud */
.cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto;}
/* contact info */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.contact-card{background:#fff;border-radius:16px;padding:22px;display:flex;gap:14px;align-items:flex-start;box-shadow:0 6px 18px rgba(58,46,79,.07);}
.contact-card .cico{flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;}
.contact-card b{display:block;font-size:15px;}
.contact-card span{font-size:14px;color:var(--ink2);}
@media(max-width:960px){
.grid3,.stats,.steps,.price-grid{grid-template-columns:repeat(2,1fr);}
.showcase,.foot-grid{grid-template-columns:1fr;}
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:12px 22px;box-shadow:0 12px 24px rgba(58,46,79,.12);}
.nav-links.open{display:flex;}
.nav-toggle{display:block;}
}
@media(max-width:600px){
.grid3,.grid2,.stats,.steps,.price-grid,.form-grid,.contact-grid{grid-template-columns:1fr;}
section{padding:52px 0;}
.price-card.hot{transform:none;}
}