*{margin:0;padding:0;box-sizing:border-box}
:root{
--pink:#d6245c;
--pink-2:#f43f7d;
--pink-soft:#fde8ef;
--pink-soft-2:#fceff4;
--ink:#221420;
--ink-2:#4a3743;
--muted:#7a6570;
--line:#f0d8e2;
--bg:#fff7f9;
--card:#ffffff;
--radius:18px;
--shadow:0 10px 30px rgba(214,36,92,.08);
--shadow-hover:0 18px 44px rgba(214,36,92,.16);
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
background:
radial-gradient(1200px 600px at 10% -10%, #ffe3ec 0%, transparent 60%),
radial-gradient(1000px 500px at 100% 0%, #ffeaf1 0%, transparent 55%),
linear-gradient(180deg,#fff9fb 0%,#fff5f8 40%,#fff7f9 100%);
color:var(--ink);
line-height:1.7;
-webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:.2px}
section{position:relative}

/* header */
.site-header{
position:sticky;top:0;z-index:100;
background:rgba(255,249,251,.86);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom:1px solid var(--line);
}
.nav-wrap{
display:flex;align-items:center;justify-content:space-between;
gap:16px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:38px;width:auto}
.nav-links{
display:flex;align-items:center;
gap:0;
list-style:none;flex-wrap:wrap;
}
.nav-links li{list-style:none}
.nav-links a{
display:inline-block;padding:8px 13px;border-radius:10px;
font-size:14.5px;font-weight:600;color:var(--ink-2);
transition:background .25s,color .25s,transform .25s;
white-space:nowrap;
}
.nav-links a:hover{background:var(--pink-soft);color:var(--pink);transform:translateY(-1px)}
.nav-cta{
display:inline-flex;align-items:center;justify-content:center;
padding:10px 20px;border-radius:999px;
background:linear-gradient(135deg,var(--pink) 0%,var(--pink-2) 100%);
color:#fff;font-weight:700;font-size:14.5px;
box-shadow:0 8px 20px rgba(214,36,92,.28);
transition:transform .25s,box-shadow .25s;
white-space:nowrap;flex:0 0 auto;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(214,36,92,.36)}
.menu-toggle{
display:none;width:42px;height:42px;border:1px solid var(--line);
background:#fff;border-radius:12px;cursor:pointer;
align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{padding:64px 0 52px;overflow:hidden}
.hero-grid{
display:grid;grid-template-columns:1.15fr .85fr;
gap:44px;align-items:center;
}
.hero-badge{
display:inline-flex;align-items:center;gap:8px;
padding:7px 16px;border-radius:999px;
background:#fff;border:1px solid var(--line);
color:var(--pink);font-size:13px;font-weight:700;
box-shadow:var(--shadow);margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--pink);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.hero h1{font-size:clamp(28px,4vw,46px);color:var(--ink);margin-bottom:18px}
.hero h1 em{
font-style:normal;color:var(--pink);
position:relative;display:inline-block;
}
.hero h1 em::after{
content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
background:var(--pink-soft);z-index:-1;border-radius:4px;
}
.hero-desc{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:14px 30px;border-radius:999px;font-weight:700;font-size:15.5px;
cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s;
font-family:inherit;
}
.btn-primary{
background:linear-gradient(135deg,var(--pink) 0%,var(--pink-2) 100%);
color:#fff;box-shadow:0 12px 28px rgba(214,36,92,.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(214,36,92,.4)}
.btn-ghost{
background:#fff;color:var(--pink);border:1.5px solid var(--pink);
box-shadow:0 6px 16px rgba(214,36,92,.08);
}
.btn-ghost:hover{background:var(--pink-soft);transform:translateY(-3px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{
font-size:12.5px;padding:6px 13px;border-radius:8px;
background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:600;
}
.hero-panel{
background:linear-gradient(160deg,#ffffff 0%,#fff1f5 100%);
border:1px solid var(--line);border-radius:26px;
padding:30px 26px;box-shadow:var(--shadow);
position:relative;overflow:hidden;
}
.hero-panel::before{
content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
border-radius:50%;background:radial-gradient(circle,#ffc7d9 0%,transparent 70%);
}
.panel-title{font-size:14px;font-weight:700;color:var(--pink);letter-spacing:1px;margin-bottom:18px}
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative}
.model-item{
text-align:center;padding:15px 6px;border-radius:14px;
background:#fff;border:1px solid var(--line);
font-size:13px;font-weight:700;color:var(--ink-2);
transition:transform .25s,box-shadow .25s,border-color .25s;
}
.model-item:hover{transform:translateY(-4px);box-shadow:0 10px 22px rgba(214,36,92,.14);border-color:var(--pink-2);color:var(--pink)}
.panel-foot{
margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
.panel-foot strong{color:var(--pink)}

/* stats */
.stats{padding:10px 0 58px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:24px 20px;text-align:center;box-shadow:var(--shadow);
transition:transform .3s,box-shadow .3s;
}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.stat-num{font-size:30px;font-weight:900;color:var(--pink);line-height:1.1;margin-bottom:6px}
.stat-label{font-size:13.5px;color:var(--muted);font-weight:600}

/* section common */
.section{padding:62px 0}
.section-head{text-align:center;max-width:740px;margin:0 auto 44px}
.eyebrow{
display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;
color:var(--pink);background:var(--pink-soft);padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);color:var(--ink);margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--muted)}

/* about / platform */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.about-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px}
.about-list{list-style:none;display:grid;gap:12px;margin-top:20px}
.about-list li{
display:flex;gap:12px;align-items:flex-start;
background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 16px;
box-shadow:0 4px 14px rgba(214,36,92,.05);
font-size:14.5px;color:var(--ink-2);font-weight:600;
}
.about-list li b{color:var(--pink);flex:0 0 auto}
.about-visual{
display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.about-visual .img-card{
border-radius:18px;overflow:hidden;border:1px solid var(--line);
box-shadow:var(--shadow);background:#fff;
transition:transform .35s,box-shadow .35s;
}
.about-visual .img-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.about-visual .img-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.about-visual .img-card.wide{grid-column:1/-1}
.about-visual .img-card.wide img{aspect-ratio:21/9}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:26px 22px;box-shadow:var(--shadow);
transition:transform .3s,box-shadow .3s,border-color .3s;
position:relative;overflow:hidden;
}
.service-card::after{
content:"";position:absolute;left:0;top:0;width:4px;height:0;
background:linear-gradient(180deg,var(--pink),var(--pink-2));
transition:height .35s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#f6bfd3}
.service-card:hover::after{height:100%}
.service-icon{
width:46px;height:46px;border-radius:13px;
background:linear-gradient(135deg,var(--pink-soft),#ffe1ea);
display:flex;align-items:center;justify-content:center;
font-size:20px;margin-bottom:16px;color:var(--pink);font-weight:900;
}
.service-card h3{font-size:17.5px;margin-bottom:10px}
.service-card p{font-size:14px;color:var(--muted);line-height:1.75}

/* scenarios tags */
.scenario-wrap{
background:#fff;border:1px solid var(--line);border-radius:24px;
padding:36px 30px;box-shadow:var(--shadow);
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:11px;justify-content:center}
.tag-cloud span{
font-size:13.5px;font-weight:600;color:var(--ink-2);
padding:9px 16px;border-radius:999px;background:var(--pink-soft-2);
border:1px solid var(--line);transition:.25s;cursor:default;
}
.tag-cloud span:hover{background:var(--pink);color:#fff;transform:translateY(-3px);box-shadow:0 10px 20px rgba(214,36,92,.22)}

/* steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:26px 20px;box-shadow:var(--shadow);position:relative;
transition:transform .3s,box-shadow .3s;
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.step-num{
font-size:34px;font-weight:900;color:var(--pink-soft);line-height:1;margin-bottom:12px;
}
.step-card h3{font-size:16.5px;margin-bottom:8px}
.step-card p{font-size:13.5px;color:var(--muted)}

/* case */
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}
.case-main{
border-radius:22px;overflow:hidden;border:1px solid var(--line);
background:#fff;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s;
}
.case-main:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-body{padding:22px}
.case-body h3{font-size:18px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted)}
.case-side{display:grid;gap:18px;grid-template-rows:1fr 1fr}
.case-side .case-card{
border-radius:18px;overflow:hidden;border:1px solid var(--line);
background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;
transition:transform .35s,box-shadow .35s;
}
.case-side .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.case-side .case-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-side .case-card .cap{padding:14px 16px;font-size:14px;font-weight:700;color:var(--ink-2)}

/* compare */
.compare-wrap{
background:#fff;border:1px solid var(--line);border-radius:24px;
box-shadow:var(--shadow);overflow:hidden;
}
.compare-top{
padding:28px 26px;background:linear-gradient(135deg,#fff0f5 0%,#fff8fa 100%);
display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
border-bottom:1px solid var(--line);
}
.score-box{display:flex;align-items:center;gap:18px}
.score-num{font-size:44px;font-weight:900;color:var(--pink);line-height:1}
.score-meta .stars{color:#f5a623;font-size:17px;letter-spacing:2px}
.score-meta p{font-size:13.5px;color:var(--muted);font-weight:600}
.score-badge{
background:var(--pink);color:#fff;font-size:13px;font-weight:700;
padding:8px 16px;border-radius:999px;
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:15px 20px;text-align:left;font-size:14px}
thead th{
background:#fff7fa;color:var(--ink);font-weight:800;font-size:13.5px;
border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{border-bottom:1px solid #fbeef3;color:var(--ink-2)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffafc}
td.good{color:var(--pink);font-weight:700}

/* reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:24px 22px;box-shadow:var(--shadow);
transition:transform .3s,box-shadow .3s;
display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.review-stars{color:#f5a623;font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--ink-2);line-height:1.8;flex:1}
.review-user{display:flex;align-items:center;gap:12px;padding-top:12px;border-top:1px dashed var(--line)}
.avatar{
width:40px;height:40px;border-radius:50%;flex:0 0 auto;
background:linear-gradient(135deg,var(--pink),var(--pink-2));
color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.review-user strong{display:block;font-size:14px;color:var(--ink)}
.review-user span{font-size:12.5px;color:var(--muted)}

/* pricing token */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:28px 24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card.featured{border-color:var(--pink);background:linear-gradient(180deg,#fff8fb 0%,#ffffff 60%)}
.price-name{font-size:15px;font-weight:800;color:var(--pink);margin-bottom:10px}
.price-value{font-size:30px;font-weight:900;color:var(--ink);line-height:1.2;margin-bottom:4px}
.price-value small{font-size:14px;color:var(--muted);font-weight:600}
.price-note{font-size:13px;color:var(--muted);margin-bottom:18px}
.price-list{list-style:none;display:grid;gap:10px}
.price-list li{font-size:14px;color:var(--ink-2);display:flex;gap:9px;align-items:flex-start}
.price-list li::before{content:"✓";color:var(--pink);font-weight:900;flex:0 0 auto}

/* articles */
.articles-list{display:grid;gap:14px}
.article-item{
display:flex;align-items:center;justify-content:space-between;gap:18px;
background:#fff;border:1px solid var(--line);border-radius:16px;
padding:18px 22px;box-shadow:0 4px 14px rgba(214,36,92,.05);
transition:transform .3s,box-shadow .3s,border-color .3s;
}
.article-item:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:#f6bfd3}
.article-item h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:3px}
.article-item p{font-size:13px;color:var(--muted)}
.article-arrow{color:var(--pink);font-weight:900;font-size:18px;flex:0 0 auto}

/* form */
.form-section{
background:linear-gradient(135deg,#fff3f7 0%,#fff9fb 100%);
}
.form-wrap{
background:#fff;border:1px solid var(--line);border-radius:26px;
padding:40px 36px;box-shadow:var(--shadow);
display:grid;grid-template-columns:1fr 1.2fr;gap:40px;
}
.form-info h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.form-info p{font-size:14.5px;color:var(--muted);margin-bottom:22px}
.contact-list{list-style:none;display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.contact-list .ci{
width:34px;height:34px;border-radius:10px;flex:0 0 auto;
background:var(--pink-soft);color:var(--pink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
form .field{margin-bottom:16px}
form label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
form input,form select,form textarea{
width:100%;padding:12px 15px;border-radius:12px;border:1px solid var(--line);
background:#fffafc;font-family:inherit;font-size:14.5px;color:var(--ink);
transition:border-color .25s,box-shadow .25s,background .25s;
}
form input:focus,form select:focus,form textarea:focus{
outline:none;border-color:var(--pink-2);background:#fff;
box-shadow:0 0 0 3px rgba(244,63,125,.12);
}
form textarea{resize:vertical;min-height:96px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .btn{width:100%;margin-top:6px}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:13px}
.faq-item{
background:#fff;border:1px solid var(--line);border-radius:16px;
overflow:hidden;box-shadow:0 4px 14px rgba(214,36,92,.05);
transition:box-shadow .3s,border-color .3s;
}
.faq-item.open{box-shadow:var(--shadow);border-color:#f6bfd3}
.faq-q{
width:100%;text-align:left;background:none;border:none;cursor:pointer;
padding:19px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
display:flex;justify-content:space-between;align-items:center;gap:16px;
font-family:inherit;transition:color .25s;
}
.faq-q:hover{color:var(--pink)}
.faq-icon{
flex:0 0 auto;width:26px;height:26px;border-radius:50%;
background:var(--pink-soft);color:var(--pink);
display:flex;align-items:center;justify-content:center;
font-weight:900;font-size:16px;transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-icon{background:var(--pink);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.8}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.network-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:24px 20px;text-align:center;box-shadow:var(--shadow);
transition:transform .3s,box-shadow .3s;
}
.network-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.network-card h3{font-size:16px;margin-bottom:8px;color:var(--pink)}
.network-card p{font-size:13.5px;color:var(--muted)}

/* join */
.join-wrap{
background:linear-gradient(135deg,var(--pink) 0%,#e84a80 55%,#ff6b9d 100%);
border-radius:28px;padding:48px 40px;color:#fff;
display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
box-shadow:0 20px 50px rgba(214,36,92,.3);
position:relative;overflow:hidden;
}
.join-wrap::before{
content:"";position:absolute;width:280px;height:280px;border-radius:50%;
background:rgba(255,255,255,.12);top:-100px;right:-60px;
}
.join-wrap::after{
content:"";position:absolute;width:180px;height:180px;border-radius:50%;
background:rgba(255,255,255,.1);bottom:-80px;left:20%;
}
.join-wrap h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;color:#fff}
.join-wrap p{font-size:15px;color:rgba(255,255,255,.94);margin-bottom:22px}
.join-points{list-style:none;display:grid;gap:10px}
.join-points li{display:flex;gap:10px;font-size:14.5px;color:#fff;font-weight:600}
.join-points li::before{content:"✦";color:#ffe1ea;font-weight:900}
.join-btn{
display:inline-flex;align-items:center;justify-content:center;
background:#fff;color:var(--pink);font-weight:800;font-size:15px;
padding:15px 36px;border-radius:999px;transition:transform .25s,box-shadow .25s;
box-shadow:0 10px 24px rgba(0,0,0,.12);
}
.join-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.2)}

/* footer */
.site-footer{
background:#2a1620;color:#f3dfe6;padding:48px 0 0;
margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:34px}
.footer-brand img{height:36px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:#c9a9b6;line-height:1.8;max-width:300px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{font-size:13.5px;color:#c9a9b6;transition:color .25s,transform .25s;display:inline-block}
.footer-col ul a:hover{color:#ff8fb4;transform:translateX(3px)}
.footer-contact li{font-size:13.5px;color:#c9a9b6;margin-bottom:10px;display:flex;gap:8px}
.footer-contact li b{color:#fff;font-weight:700;flex:0 0 auto}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.1);
padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
justify-content:space-between;align-items:center;
font-size:13px;color:#b799a6;
}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer-links a{color:#c9a9b6;transition:color .25s}
.footer-links a:hover{color:#ff8fb4}

/* float */
.float-kefu{
position:fixed;right:20px;bottom:26px;z-index:200;
display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-btn{
width:52px;height:52px;border-radius:50%;
background:linear-gradient(135deg,var(--pink),var(--pink-2));
color:#fff;display:flex;align-items:center;justify-content:center;
box-shadow:0 10px 24px rgba(214,36,92,.35);cursor:pointer;
font-size:13px;font-weight:800;border:none;font-family:inherit;
transition:transform .25s,box-shadow .25s;
}
.float-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 32px rgba(214,36,92,.45)}
.float-btn.top{background:#fff;color:var(--pink);border:1px solid var(--line);display:none;font-size:18px}
.float-btn.top.show{display:flex}
.kefu-pop{
position:absolute;right:64px;bottom:0;width:210px;background:#fff;
border:1px solid var(--line);border-radius:16px;padding:16px;
box-shadow:0 18px 44px rgba(214,36,92,.2);
display:none;text-align:center;
}
.kefu-pop.show{display:block;animation:fadeIn .3s}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px}
.kefu-pop p{font-size:12.5px;color:var(--muted);font-weight:600}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* responsive */
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:34px}
.about-grid{grid-template-columns:1fr}
.services-grid{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.reviews-grid{grid-template-columns:repeat(2,1fr)}
.price-grid{grid-template-columns:1fr}
.case-grid{grid-template-columns:1fr}
.case-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
.form-wrap{grid-template-columns:1fr;padding:30px 24px}
.network-grid{grid-template-columns:repeat(2,1fr)}
.join-wrap{grid-template-columns:1fr;padding:36px 26px}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
.nav-links{
position:fixed;top:70px;left:0;right:0;
background:#fff;border-bottom:1px solid var(--line);
flex-direction:column;align-items:stretch;padding:10px 22px 18px;
gap:2px;display:none;box-shadow:0 16px 30px rgba(214,36,92,.1);
max-height:calc(100vh - 70px);overflow-y:auto;
}
.nav-links.open{display:flex}
.nav-links a{padding:12px 8px;font-size:15px}
.menu-toggle{display:flex}
.nav-cta{display:none}
}
@media(max-width:640px){
.container{padding:0 16px}
.hero{padding:44px 0 36px}
.section{padding:46px 0}
.services-grid,.stats-grid,.steps-grid,.reviews-grid,.network-grid{grid-template-columns:1fr}
.case-side{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.model-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr}
.join-wrap{padding:30px 22px}
.article-item{flex-direction:column;align-items:flex-start;gap:8px}
.article-arrow{display:none}
.compare-top{flex-direction:column;align-items:flex-start}
.footer-bottom{flex-direction:column;align-items:flex-start}
.float-kefu{right:14px;bottom:18px}
.kefu-pop{right:60px}
}