*{margin:0;padding:0;box-sizing:border-box}
:root{
--p1:#ff6b5e;--p2:#ff9a4d;--p3:#8b5cf6;--p4:#3b82f6;--p5:#06b6d4;
--ink:#1a1d29;--ink2:#3d4255;--ink3:#6b7188;--line:#e8eaf2;
--bg:#fffdfb;--card:#ffffff;--soft:#fff5f0;
--grad:linear-gradient(120deg,#ff6b5e 0%,#ff9a4d 40%,#8b5cf6 100%);
--grad2:linear-gradient(135deg,#8b5cf6 0%,#3b82f6 55%,#06b6d4 100%);
--r:18px;--sh:0 10px 34px rgba(120,90,180,.10);
}
html{scroll-behavior:smooth}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;
background-image:radial-gradient(circle at 8% 4%,rgba(255,107,94,.07),transparent 42%),radial-gradient(circle at 92% 12%,rgba(139,92,246,.07),transparent 45%),radial-gradient(circle at 50% 96%,rgba(6,182,212,.06),transparent 50%);
background-attachment:fixed;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}
section{position:relative}

/* nav */
header.site-head{position:sticky;top:0;z-index:900;backdrop-filter:blur(14px);background:rgba(255,253,251,.86);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-shrink:0}
.brand img{width:40px;height:40px;object-fit:contain}
.brand-txt{font-size:19px;font-weight:800;letter-spacing:.5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links>li>a{display:block;padding:9px 11px;font-size:14.5px;color:var(--ink2);border-radius:9px;transition:.25s;white-space:nowrap;font-weight:500}
.nav-links>li>a:hover{color:#fff;background:var(--grad);box-shadow:0 6px 16px rgba(255,107,94,.28)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:700;font-size:15px;padding:11px 24px;border-radius:999px;border:none;cursor:pointer;transition:.28s;line-height:1.2;font-family:inherit}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,107,94,.32)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,94,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--p1);color:var(--p1);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger span{width:19px;height:2px;background:var(--ink);border-radius:2px;transition:.28s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{padding:74px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:var(--soft);border:1px solid rgba(255,107,94,.22);font-size:13.5px;font-weight:600;color:#e2543f;margin-bottom:22px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--p1);animation:pulse 1.9s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,107,94,.5)}50%{box-shadow:0 0 0 8px rgba(255,107,94,0)}}
h1{font-size:clamp(30px,4.1vw,49px);line-height:1.22;font-weight:850;letter-spacing:-.5px}
h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:20px;font-size:16.5px;color:var(--ink3);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-actions .btn{padding:14px 30px;font-size:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.tag{font-size:13px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink2);transition:.25s}
.tag:hover{border-color:var(--p3);color:var(--p3);transform:translateY(-2px)}
.hero-visual{position:relative;display:grid;gap:16px}
.orb{position:absolute;border-radius:50%;filter:blur(48px);z-index:0;opacity:.6}
.orb1{width:230px;height:230px;background:rgba(255,107,94,.42);top:-30px;right:-30px}
.orb2{width:200px;height:200px;background:rgba(139,92,246,.38);bottom:-40px;left:-30px}
.metric-stack{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;box-shadow:var(--sh);transition:.3s}
.metric:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(120,90,180,.16)}
.metric b{display:block;font-size:28px;font-weight:850;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.metric span{font-size:13.5px;color:var(--ink3)}
.metric.wide{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(120deg,#fff5f0,#f4f0ff)}
.metric.wide b{font-size:22px}
.metric.wide small{font-size:13px;color:var(--ink3)}

/* section title */
.sec{padding:76px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--p1);margin-bottom:12px}
.sec-head h2{font-size:clamp(24px,3vw,35px);line-height:1.3;font-weight:820;letter-spacing:-.3px}
.sec-head p{margin-top:13px;color:var(--ink3);font-size:15.5px}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(120,90,180,.15);border-color:rgba(139,92,246,.28)}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:21px;margin-bottom:16px;background:var(--soft);color:#e2543f}
.card:nth-child(3n+2) .ico{background:#f0ecff;color:#7c4ff0}
.card:nth-child(3n+3) .ico{background:#e6f6fb;color:#0891b2}
.card h3{font-size:17.5px;font-weight:780;margin-bottom:9px}
.card p{font-size:14.3px;color:var(--ink3);line-height:1.75}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-panel{background:linear-gradient(140deg,#fff5f0 0%,#f6f1ff 55%,#eef9fc 100%);border:1px solid var(--line);border-radius:24px;padding:36px 32px}
.about-panel h3{font-size:20px;font-weight:800;margin-bottom:18px}
.about-list{display:grid;gap:14px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink2)}
.about-list li::before{content:"";flex:0 0 22px;height:22px;margin-top:2px;border-radius:7px;background:var(--grad);box-shadow:0 4px 10px rgba(255,107,94,.3);display:grid;place-items:center}
.about-list li b{color:var(--ink)}
.prose p{font-size:15px;color:var(--ink2);margin-bottom:16px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;position:relative;transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.step::before{counter-increment:s;content:"0" counter(s);font-size:34px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;display:block;margin-bottom:14px}
.step h3{font-size:16.5px;margin-bottom:8px;font-weight:780}
.step p{font-size:14px;color:var(--ink3)}

/* model marquee */
.models{background:linear-gradient(120deg,#fff5f0,#f6f1ff 50%,#eef9fc);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.models-track{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.model-chip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 16px;font-size:13.5px;font-weight:600;color:var(--ink2);transition:.25s}
.model-chip:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-3px)}

/* table */
.table-scroll{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:#fff;box-shadow:var(--sh)}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.3px}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(120deg,#fff5f0,#f4f0ff);font-weight:780;color:var(--ink);font-size:14px;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffcf9}
td.good{color:#0d9488;font-weight:700}
td.mid{color:#b45309}
.rating-box{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(120deg,#fff5f0,#f2eeff);border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;margin-bottom:26px}
.rating-score{font-size:46px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rating-meta b{display:block;font-size:16px;margin-bottom:4px}
.rating-meta span{font-size:14px;color:var(--ink3)}
.stars{color:#ffb020;letter-spacing:3px;font-size:18px}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:rgba(139,92,246,.4);box-shadow:0 12px 30px rgba(120,90,180,.12)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit;transition:.2s}
.faq-q:hover{color:var(--p1)}
.faq-q .pm{flex:0 0 26px;height:26px;border-radius:8px;background:var(--soft);color:#e2543f;display:grid;place-items:center;font-size:17px;font-weight:800;transition:.3s}
.faq-item.open .pm{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;color:var(--ink3);font-size:14.3px}

/* reviews */
.review{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:.3s;display:flex;flex-direction:column;gap:14px}
.review:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(120,90,180,.15)}
.review .stars{font-size:15px}
.review p{font-size:14.3px;color:var(--ink2);flex:1}
.reviewer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;background:var(--grad2);flex-shrink:0}
.reviewer b{display:block;font-size:14.5px;font-weight:780}
.reviewer span{font-size:12.5px;color:var(--ink3)}

/* cases */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s}
.case:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(120,90,180,.16)}
.case-img{aspect-ratio:16/10;overflow:hidden;background:#f5f3ff;display:grid;place-items:center}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .case-img img{transform:scale(1.05)}
.case-body{padding:22px}
.case-body h3{font-size:16.5px;font-weight:780;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink3)}

/* articles */
.article{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;transition:.28s}
.article:hover{transform:translateX(5px);border-color:rgba(139,92,246,.35);box-shadow:var(--sh)}
.article h3{font-size:15.5px;font-weight:700}
.article span{font-size:13px;color:var(--p1);font-weight:700;white-space:nowrap}

/* form */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px 28px;box-shadow:var(--sh)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:var(--ink2)}
.field input,.field select,.field textarea{width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fdfcff;transition:.25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--p3);background:#fff;box-shadow:0 0 0 4px rgba(139,92,246,.1)}
.field textarea{resize:vertical;min-height:110px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-card .btn{width:100%;margin-top:6px}
.contact-info{display:grid;gap:14px}
.contact-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.25s}
.contact-item:hover{border-color:rgba(255,107,94,.35);box-shadow:var(--sh)}
.contact-item .ci-ico{width:40px;height:40px;border-radius:11px;background:var(--soft);display:grid;place-items:center;font-size:18px;flex-shrink:0}
.contact-item b{display:block;font-size:14.5px;margin-bottom:3px}
.contact-item span{font-size:13.5px;color:var(--ink3);word-break:break-all}
.qr-box{text-align:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.qr-box img{width:150px;margin:0 auto 10px;border-radius:8px}
.qr-box span{font-size:13.5px;color:var(--ink3)}

/* footer */
footer.site-foot{background:#1a1d29;color:#c7cbe0;padding:52px 0 0;margin-top:20px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand-txt{font-size:18px}
.foot-brand p{font-size:13.5px;color:#9297b3;margin-top:14px;line-height:1.8}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:750}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:13.5px;color:#9297b3;transition:.22s}
.foot-col a:hover{color:#ff9a4d}
.foot-bottom{padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#7e839c}

/* float */
.fab{position:fixed;right:22px;bottom:28px;z-index:950;display:grid;gap:10px}
.fab button,.fab a{width:50px;height:50px;border-radius:50%;border:none;display:grid;place-items:center;cursor:pointer;font-size:20px;background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(30,20,60,.18);transition:.28s}
.fab .to-top{background:var(--grad);color:#fff}
.fab button:hover,.fab a:hover{transform:translateY(-3px) scale(1.05)}
.fab .to-top{opacity:0;pointer-events:none}
.fab .to-top.show{opacity:1;pointer-events:auto}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* timeline */
.timeline{position:relative;padding-left:26px;display:grid;gap:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--p1),var(--p3),var(--p5))}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-26px;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--p3);box-shadow:0 0 0 4px rgba(139,92,246,.12)}
.tl-item b{display:block;font-size:15.5px;margin-bottom:5px}
.tl-item span{font-size:14px;color:var(--ink3)}

/* price */
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;text-align:center;transition:.3s;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:0 20px 46px rgba(120,90,180,.16)}
.price-card.hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.hot-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap}
.price-card h3{font-size:16.5px;margin-bottom:12px;font-weight:780}
.price-val{font-size:32px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.price-val small{font-size:13px;font-weight:600;color:var(--ink3);-webkit-text-fill-color:var(--ink3)}
.price-card ul{display:grid;gap:9px;margin:18px 0 0;text-align:left}
.price-card li{font-size:13.5px;color:var(--ink2);padding-left:19px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:#0d9488;font-weight:800}

/* misc responsive */
@media(max-width:1080px){
.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 22px;gap:4px;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(30,20,60,.1);max-height:70vh;overflow-y:auto}
.nav-links.open{display:flex}
.nav-links>li>a{padding:12px 14px}
.burger{display:flex}
.nav-cta .btn-grad{display:none}
.hero-grid{grid-template-columns:1fr;gap:40px}
.about-grid{grid-template-columns:1fr;gap:30px}
.g4{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.form-wrap{grid-template-columns:1fr;gap:28px}
.foot-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:760px){
.sec{padding:56px 0}
.hero{padding:48px 0 58px}
.g3,.g2{grid-template-columns:1fr}
.g4{grid-template-columns:1fr 1fr}
.metric-stack{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr}
.field-row{grid-template-columns:1fr}
.foot-top{grid-template-columns:1fr}
.foot-bottom{flex-direction:column;text-align:center}
.hero-actions .btn{flex:1 1 100%}
.article{flex-direction:column;align-items:flex-start;gap:6px}
}
@media(max-width:420px){
.g4{grid-template-columns:1fr}
.metric-stack{grid-template-columns:1fr}
}