*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0518;
  --bg2:#120827;
  --panel:rgba(26,12,48,.72);
  --pink:#ff2d95;
  --pink2:#ff5fb2;
  --purple:#8b3dff;
  --violet:#b46bff;
  --cyan:#4ce0ff;
  --text:#f3ecff;
  --muted:#b6a8d4;
  --line:rgba(180,107,255,.22);
  --radius:16px;
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 12% 8%,rgba(255,45,149,.18),transparent 42%),
    radial-gradient(circle at 88% 12%,rgba(139,61,255,.22),transparent 45%),
    radial-gradient(circle at 50% 100%,rgba(76,224,255,.10),transparent 50%),
    linear-gradient(180deg,#0a0518 0%,#120827 60%,#0a0518 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:84px 0;position:relative}
.section-head{text-align:center;margin-bottom:52px}
.section-head h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:.5px;margin-bottom:14px}
.section-head h2 span{background:linear-gradient(90deg,var(--pink),var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head p{color:var(--muted);max-width:760px;margin:0 auto;font-size:15px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--pink2);border:1px solid var(--line);border-radius:99px;padding:5px 14px;margin-bottom:16px;background:rgba(255,45,149,.06)}

/* nav */
header.nav{position:sticky;top:0;z-index:100;background:rgba(10,5,24,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:38px;width:auto}
.brand .name{font-weight:800;font-size:18px;background:linear-gradient(90deg,var(--pink),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 11px;font-size:14px;color:var(--muted);border-radius:8px;transition:.25s;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(180,107,255,.12)}
.nav-cta{flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:99px;font-weight:700;transition:.28s;font-family:inherit}
.btn-primary{background:linear-gradient(90deg,var(--pink),var(--purple));color:#fff;padding:11px 24px;font-size:14px;box-shadow:0 8px 26px rgba(255,45,149,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,45,149,.5)}
.btn-ghost{background:rgba(180,107,255,.1);color:var(--text);border:1px solid var(--line);padding:11px 24px;font-size:14px}
.btn-ghost:hover{background:rgba(180,107,255,.2);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);width:42px;height:38px;font-size:20px;cursor:pointer}

/* hero no image */
.hero{padding:96px 0 90px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,45,149,.22),transparent 65%);top:-160px;right:-140px;pointer-events:none}
.hero::before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(76,224,255,.14),transparent 65%);bottom:-200px;left:-160px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:900;line-height:1.22;letter-spacing:.5px;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--pink),var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:16px;max-width:600px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{font-size:13px;color:var(--pink2);border:1px solid var(--line);border-radius:99px;padding:5px 13px;background:rgba(255,45,149,.06)}
.hero-panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.hero-panel h3{font-size:16px;margin-bottom:18px;color:var(--pink2);letter-spacing:1px}
.hero-stat{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stat-box{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;transition:.3s}
.stat-box:hover{transform:translateY(-4px);border-color:var(--pink);box-shadow:0 12px 28px rgba(255,45,149,.22)}
.stat-box b{display:block;font-size:26px;font-weight:900;background:linear-gradient(90deg,var(--pink),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-box small{color:var(--muted);font-size:12px}
.hero-model{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero-model i{font-style:normal;font-size:12px;color:var(--muted);background:rgba(139,61,255,.14);border-radius:6px;padding:4px 9px}

/* metric strip */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.3s}
.metric-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(139,61,255,.24);border-color:var(--violet)}
.metric-card b{font-size:34px;font-weight:900;display:block;background:linear-gradient(90deg,var(--pink),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-card span{color:var(--muted);font-size:13px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.32s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--pink),var(--purple));transform:scaleX(0);transform-origin:left;transition:.4s}
.card:hover{transform:translateY(-6px);border-color:var(--pink);box-shadow:0 20px 44px rgba(255,45,149,.18)}
.card:hover::before{transform:scaleX(1)}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(255,45,149,.22),rgba(139,61,255,.22));margin-bottom:16px}
.card .ico svg{width:24px;height:24px;stroke:var(--pink2);fill:none;stroke-width:1.8}
.card h3{font-size:17px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px}

/* intro */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.intro-text h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:18px}
.intro-text h2 span{color:var(--pink2)}
.intro-text p{color:var(--muted);font-size:15px;margin-bottom:14px}
.intro-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.intro-list li{font-size:14px;color:var(--text);display:flex;gap:8px;align-items:flex-start}
.intro-list li::before{content:"◆";color:var(--pink);font-size:10px;margin-top:7px}
.intro-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.intro-media img{border-radius:14px;border:1px solid var(--line);width:100%;height:100%;object-fit:cover;transition:.35s}
.intro-media img:hover{transform:scale(1.03);box-shadow:0 16px 40px rgba(255,45,149,.24)}
.intro-media .span2{grid-column:span 2}

/* showcase */
.showcase{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.showcase .big img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.showcase .side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
.showcase .side img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}

/* process */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;transition:.3s;position:relative}
.step:hover{transform:translateY(-6px);border-color:var(--violet)}
.step .num{font-size:13px;font-weight:800;color:var(--pink2);letter-spacing:2px;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;color:var(--muted)}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid rgba(180,107,255,.14)}
th{background:rgba(139,61,255,.16);color:var(--pink2);font-weight:700;white-space:nowrap}
td:first-child{color:var(--text);font-weight:600}
tr:last-child td{border-bottom:none}
tbody tr{transition:.25s}
tbody tr:hover{background:rgba(255,45,149,.06)}
.tag-good{color:#4ce0ff;font-weight:700}
.tag-warn{color:#b6a8d4}

/* review */
.review-card{background:linear-gradient(135deg,rgba(255,45,149,.12),rgba(139,61,255,.12));border:1px solid var(--line);border-radius:22px;padding:40px;display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center}
.score-big{text-align:center}
.score-big b{font-size:64px;font-weight:900;background:linear-gradient(90deg,var(--pink),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.score-big small{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.stars{color:#ffcf3f;font-size:20px;letter-spacing:3px;margin-top:8px}
.review-card h3{font-size:20px;margin-bottom:12px}
.review-card p{color:var(--muted);font-size:14px}
.review-points{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.review-points span{font-size:13px;color:var(--text);display:flex;gap:8px}
.review-points span::before{content:"✔";color:var(--pink);font-size:12px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;text-align:center;transition:.32s}
.price-card:hover{transform:translateY(-8px);border-color:var(--pink);box-shadow:0 24px 50px rgba(255,45,149,.22)}
.price-card.hot{border-color:var(--pink);background:linear-gradient(180deg,rgba(255,45,149,.14),rgba(26,12,48,.7))}
.price-card h3{font-size:16px;color:var(--pink2);margin-bottom:14px;letter-spacing:1px}
.price-card .price{font-size:38px;font-weight:900;background:linear-gradient(90deg,var(--pink),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px}
.price-card .price small{font-size:14px;font-weight:400}
.price-card ul{list-style:none;margin:20px 0;text-align:left}
.price-card ul li{font-size:13px;color:var(--muted);padding:6px 0;border-bottom:1px dashed rgba(180,107,255,.14)}
.price-card ul li:last-child{border-bottom:none}

/* comments */
.comments{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.comment{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s;display:flex;flex-direction:column;gap:14px}
.comment:hover{transform:translateY(-5px);border-color:var(--violet);box-shadow:0 18px 40px rgba(139,61,255,.2)}
.comment .stars{font-size:15px;letter-spacing:2px}
.comment p{color:var(--muted);font-size:14px;flex:1}
.comment .user{display:flex;align-items:center;gap:12px;border-top:1px solid rgba(180,107,255,.14);padding-top:14px}
.comment .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff}
.comment .user b{font-size:14px;display:block}
.comment .user small{font-size:12px;color:var(--muted)}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:var(--violet)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:15px;font-weight:600;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-family:inherit}
.faq-q::after{content:"+";font-size:22px;color:var(--pink2);transition:.3s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14px}
.faq-a div{padding:0 24px 22px}
.faq-item.open .faq-a{max-height:400px}

/* articles */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;display:block}
.article:hover{transform:translateY(-5px);border-color:var(--pink);box-shadow:0 18px 40px rgba(255,45,149,.18)}
.article h3{font-size:16px;margin-bottom:10px;line-height:1.5}
.article p{color:var(--muted);font-size:13px}
.article .more{color:var(--pink2);font-size:13px;margin-top:14px;display:inline-block}

/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:36px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--text);font-size:14px;font-family:inherit;transition:.25s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,45,149,.14)}
.field textarea{resize:vertical;min-height:110px}
.field select option{background:#170a2e;color:var(--text)}
.form-card .btn-primary{width:100%;padding:14px;font-size:15px;margin-top:6px}

.contact-list{display:flex;flex-direction:column;gap:18px}
.contact-item{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;transition:.3s}
.contact-item:hover{border-color:var(--violet);transform:translateX(4px)}
.contact-item .ci{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,rgba(255,45,149,.2),rgba(139,61,255,.2));display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.contact-item b{display:block;font-size:14px;margin-bottom:3px}
.contact-item span{color:var(--muted);font-size:13px;word-break:break-all}
.qr-box{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}
.qr-box img{width:150px;margin:0 auto 10px;border-radius:10px}
.qr-box small{color:var(--muted);font-size:12px}

/* tag cloud */
.cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.cloud a{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:8px 16px;transition:.25s;background:rgba(139,61,255,.06)}
.cloud a:hover{color:#fff;border-color:var(--pink);background:rgba(255,45,149,.14);transform:translateY(-2px)}

/* network */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:.3s}
.net-card:hover{transform:translateY(-5px);border-color:var(--cyan)}
.net-card b{display:block;font-size:16px;margin-bottom:6px}
.net-card span{color:var(--muted);font-size:13px}

/* links footer */
footer{background:rgba(6,3,15,.85);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.foot-grid h4{font-size:15px;margin-bottom:16px;color:var(--pink2)}
.foot-grid ul{list-style:none}
.foot-grid ul li{margin-bottom:10px}
.foot-grid ul li a,.foot-grid p,.foot-grid span{color:var(--muted);font-size:13px;transition:.25s}
.foot-grid ul li a:hover{color:var(--pink2)}
.foot-brand img{height:36px;width:auto;margin-bottom:14px}
.foot-brand p{margin-bottom:8px}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;text-align:center;color:var(--muted);font-size:12px}
.foot-bottom a{color:var(--pink2)}

/* float */
.float-bar{position:fixed;right:20px;bottom:90px;z-index:90;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;cursor:pointer;box-shadow:0 8px 24px rgba(255,45,149,.4);transition:.3s;border:none;font-family:inherit}
.float-btn:hover{transform:scale(1.08) translateY(-2px)}
.top-btn{position:fixed;right:20px;bottom:24px;z-index:90;width:52px;height:52px;border-radius:50%;background:rgba(139,61,255,.85);color:#fff;border:none;cursor:pointer;font-size:20px;display:none;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(139,61,255,.4);transition:.3s}
.top-btn.show{display:flex}
.top-btn:hover{background:var(--pink)}

/* kefu modal */
.kefu-modal{position:fixed;inset:0;background:rgba(5,2,12,.82);z-index:200;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(6px)}
.kefu-modal.show{display:flex}
.kefu-box{background:#170a2e;border:1px solid var(--line);border-radius:20px;padding:30px;text-align:center;max-width:320px;width:100%;position:relative}
.kefu-box img{width:200px;margin:0 auto 12px;border-radius:12px}
.kefu-box p{color:var(--muted);font-size:13px}
.kefu-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--muted);font-size:24px;cursor:pointer;line-height:1}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* responsive */
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:rgba(10,5,24,.97);flex-direction:column;padding:14px;gap:0;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 16px}
  .menu-toggle{display:block}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr}
  .intro-grid{grid-template-columns:1fr}
  .cards,.comments,.articles,.price-grid,.network{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .showcase{grid-template-columns:1fr}
  .showcase .side{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .form-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .review-card{grid-template-columns:1fr;text-align:center}
  .review-points{grid-template-columns:1fr}
}
@media(max-width:640px){
  section{padding:60px 0}
  .cards,.comments,.articles,.price-grid,.network,.metrics{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero{padding:64px 0}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .intro-media{grid-template-columns:1fr}
  .intro-media .span2{grid-column:span 1}
  .showcase .side{grid-template-columns:1fr}
  .hero-stat{grid-template-columns:1fr 1fr}
  .float-bar{right:12px;bottom:80px}
  .float-btn,.top-btn{width:46px;height:46px;font-size:18px}
  .top-btn{right:12px;bottom:16px}
}