:root{
  --c1:#5b3df5;--c2:#8a4dff;--c3:#ff5db1;--c4:#00c2d1;--c5:#ffb02e;
  --ink:#151b2e;--ink2:#4a5169;--line:#e7e9f3;--bg:#f6f7fc;--white:#fff;
  --shadow:0 10px 30px rgba(30,25,80,.08);--shadow2:0 18px 50px rgba(80,50,220,.16);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
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:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{display:block;max-width:100%;height:auto}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:78px 0;position:relative}
.sec-alt{background:var(--white)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c1);background:linear-gradient(135deg,rgba(91,61,245,.1),rgba(255,93,177,.1));padding:6px 14px;border-radius:100px;margin-bottom:16px}
h2.title{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.5px;line-height:1.25;margin-bottom:14px}
h2.title span{background:linear-gradient(90deg,var(--c1),var(--c3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sub{color:var(--ink2);max-width:720px;font-size:16px;margin-bottom:40px}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:100px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:.28s cubic-bezier(.4,0,.2,1);white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,var(--c1),var(--c2) 55%,var(--c3));color:#fff;box-shadow:0 10px 26px rgba(120,60,240,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(120,60,240,.45)}
.btn-ghost{background:#fff;color:var(--c1);border:1.5px solid rgba(91,61,245,.3)}
.btn-ghost:hover{background:rgba(91,61,245,.06);transform:translateY(-3px)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.btn:active{transform:scale(.97)}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;max-height:40px;object-fit:contain}
.brand-name{font-weight:800;font-size:19px;letter-spacing:-.3px;background:linear-gradient(90deg,var(--c1),var(--c3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-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 a{font-size:14px;color:var(--ink2);font-weight:600;padding:8px 11px;border-radius:8px;transition:.2s;white-space:nowrap}
.nav-links a:hover{color:var(--c1);background:rgba(91,61,245,.07)}
.nav-cta{background:linear-gradient(120deg,var(--c1),var(--c3))!important;color:#fff!important;padding:10px 20px!important;border-radius:100px!important;margin-left:6px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:3px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* hero no images */
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 15%,#241a5e 0%,#140f38 45%,#0b0820 100%);color:#fff;padding:90px 0 100px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(10px);opacity:.5;pointer-events:none}
.hero::before{width:520px;height:520px;top:-180px;right:-120px;background:radial-gradient(circle,rgba(138,77,255,.55),transparent 68%)}
.hero::after{width:420px;height:420px;bottom:-200px;left:-100px;background:radial-gradient(circle,rgba(0,194,209,.4),transparent 68%)}
.hero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 80%);pointer-events:none}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:7px 16px;border-radius:100px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);margin-bottom:22px}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:#3ff0b0;box-shadow:0 0 12px #3ff0b0}
.hero h1{font-size:clamp(28px,4.4vw,50px);font-weight:900;line-height:1.18;letter-spacing:-1px;margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#a58bff,#ff8ecb 55%,#5ee6f0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:16px;color:rgba(255,255,255,.74);max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-chips span{font-size:12.5px;padding:7px 14px;border-radius:100px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.8)}
.hero-visual{display:grid;gap:16px}
.hv-card{background:linear-gradient(150deg,rgba(255,255,255,.1),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px;backdrop-filter:blur(12px)}
.hv-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hv-card .num{font-size:30px;font-weight:900;background:linear-gradient(90deg,#a58bff,#5ee6f0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.hv-card .lbl{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}
.hv-main .num{font-size:40px}
.hv-bar{height:7px;border-radius:100px;background:rgba(255,255,255,.12);margin-top:14px;overflow:hidden}
.hv-bar i{display:block;height:100%;width:88%;border-radius:100px;background:linear-gradient(90deg,var(--c2),var(--c4));animation:growbar 2.4s ease-out}
@keyframes growbar{from{width:0}}

/* data */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--white);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.stat-card .n{font-size:34px;font-weight:900;background:linear-gradient(90deg,var(--c1),var(--c3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-card .t{font-size:14px;color:var(--ink2);margin-top:4px}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;background:linear-gradient(90deg,var(--c1),var(--c3),var(--c4));transform:scaleX(0);transform-origin:left;transition:.4s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow2);border-color:rgba(91,61,245,.24)}
.card:hover::before{transform:scaleX(1)}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;background:linear-gradient(135deg,rgba(91,61,245,.14),rgba(255,93,177,.14))}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.card p{font-size:14px;color:var(--ink2)}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.card .tags span{font-size:11.5px;padding:4px 10px;border-radius:100px;background:rgba(91,61,245,.07);color:var(--c1);font-weight:600}

/* platform intro */
.intro-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.intro-feats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ifeat{background:linear-gradient(150deg,#fff,#f4f2ff);border:1px solid var(--line);border-radius:14px;padding:20px}
.ifeat h4{font-size:15px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.ifeat h4::before{content:"";width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c3))}
.ifeat p{font-size:13px;color:var(--ink2)}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px 22px;box-shadow:var(--shadow);transition:.3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.step .no{font-size:13px;font-weight:800;color:var(--c1);letter-spacing:1px}
.step h4{font-size:16px;font-weight:800;margin:8px 0 8px}
.step p{font-size:13.5px;color:var(--ink2)}
.step::after{content:"→";position:absolute;top:50%;right:-14px;transform:translateY(-50%);color:var(--c2);font-weight:900;font-size:18px}
.step:last-child::after{display:none}

/* table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(120deg,#f2efff,#fdf0f8);font-weight:800;color:var(--ink);font-size:14px}
tbody tr:hover{background:#faf9ff}
td.best{color:var(--c1);font-weight:700}
.badge-best{display:inline-block;font-size:11px;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--c1),var(--c3));padding:2px 8px;border-radius:100px;margin-left:6px}

/* review panel */
.review-panel{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start}
.score-card{background:linear-gradient(155deg,#1a1240,#2a1a68 60%,#3d1a7a);color:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow2);position:relative;overflow:hidden}
.score-card::after{content:"";position:absolute;width:220px;height:220px;right:-80px;bottom:-80px;border-radius:50%;background:radial-gradient(circle,rgba(255,93,177,.5),transparent 70%)}
.score-card .big{font-size:64px;font-weight:900;line-height:1;background:linear-gradient(90deg,#ffd76e,#ff8ecb);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.score-card .stars{font-size:22px;letter-spacing:3px;color:#ffcc4d;margin:10px 0 6px}
.score-card .txt{font-size:13.5px;color:rgba(255,255,255,.72);position:relative;z-index:2}
.score-meta{display:flex;gap:22px;margin-top:20px;position:relative;z-index:2}
.score-meta div{font-size:12px;color:rgba(255,255,255,.6)}
.score-meta b{display:block;font-size:20px;color:#fff}
.adv-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.adv{display:flex;gap:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px;transition:.3s}
.adv:hover{transform:translateY(-4px);box-shadow:var(--shadow2);border-color:rgba(91,61,245,.24)}
.adv .tick{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--c1),var(--c3));display:grid;place-items:center;color:#fff;font-size:14px;font-weight:900}
.adv h5{font-size:14.5px;font-weight:800;margin-bottom:3px}
.adv p{font-size:12.5px;color:var(--ink2)}

/* showcase */
.showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.show-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s}
.show-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.show-card .media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#efeafc}
.show-card .media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.show-card:hover .media img{transform:scale(1.05)}
.show-card .media.sq{aspect-ratio:1/1}
.show-card .body{padding:20px}
.show-card h4{font-size:16px;font-weight:800;margin-bottom:6px}
.show-card p{font-size:13px;color:var(--ink2)}
.show-card .tag{display:inline-block;margin-top:12px;font-size:11.5px;font-weight:700;color:var(--c1);background:rgba(91,61,245,.08);padding:4px 10px;border-radius:100px}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.3s}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;flex-shrink:0}
.review-head b{font-size:14.5px;display:block}
.review-head span{font-size:12px;color:var(--ink2)}
.review-card .rstars{color:#ffb02e;font-size:14px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:13.5px;color:var(--ink2)}

/* articles */
.articles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.article-item{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.3s;box-shadow:var(--shadow)}
.article-item:hover{transform:translateX(6px);border-color:rgba(91,61,245,.24);box-shadow:var(--shadow2)}
.article-item .ai-t{font-size:14.5px;font-weight:700}
.article-item .arrow{flex-shrink:0;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(91,61,245,.08);color:var(--c1);font-weight:900;transition:.3s}
.article-item:hover .arrow{background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff}
.article-list-compact{display:grid;gap:12px;margin-top:18px}
.article-list-compact a{font-size:13.5px;color:var(--ink2);padding-left:16px;position:relative;transition:.2s}
.article-list-compact a::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c2)}
.article-list-compact a:hover{color:var(--c1)}

/* token / price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.3s;position:relative}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.price-card.hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--c1),var(--c3)) border-box}
.price-card .ptag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--c1),var(--c3));padding:4px 16px;border-radius:100px;white-space:nowrap}
.price-card h4{font-size:16px;font-weight:800;margin-bottom:6px}
.price-card .price{font-size:32px;font-weight:900;color:var(--c1);margin:12px 0 4px}
.price-card .price small{font-size:13px;color:var(--ink2);font-weight:600}
.price-card ul{margin-top:16px;display:grid;gap:10px}
.price-card li{font-size:13.5px;color:var(--ink2);padding-left:22px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--c4);font-weight:900}

/* tag cloud */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px}
.tagcloud a{font-size:13px;font-weight:600;color:var(--ink2);background:var(--white);border:1px solid var(--line);padding:9px 18px;border-radius:100px;transition:.25s}
.tagcloud a:hover{color:#fff;background:linear-gradient(120deg,var(--c1),var(--c3));border-color:transparent;transform:translateY(-3px);box-shadow:0 8px 20px rgba(120,60,240,.28)}

/* timeline */
.timeline{position:relative;padding-left:32px;display:grid;gap:28px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--c1),var(--c3),var(--c4))}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-32px;top:4px;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c3));border:4px solid var(--bg)}
.tl-item h4{font-size:16px;font-weight:800;margin-bottom:4px}
.tl-item span{font-size:12.5px;font-weight:700;color:var(--c1);letter-spacing:1px}
.tl-item p{font-size:13.5px;color:var(--ink2);margin-top:4px}

/* network */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;box-shadow:var(--shadow);transition:.3s}
.net-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.net-card .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c3));margin:0 auto 12px;box-shadow:0 0 14px rgba(91,61,245,.6)}
.net-card h5{font-size:15px;font-weight:800;margin-bottom:4px}
.net-card p{font-size:12.5px;color:var(--ink2)}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.faq-item:hover{border-color:rgba(91,61,245,.24)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:15px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q .ic{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:rgba(91,61,245,.08);color:var(--c1);display:grid;place-items:center;font-size:18px;font-weight:400;transition:.3s}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;padding:0 24px;color:var(--ink2);font-size:14px}
.faq-item.open .faq-a{padding-bottom:22px}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:start}
.form-info{background:linear-gradient(155deg,#1a1240,#2f1a72);color:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow2)}
.form-info h3{font-size:22px;font-weight:800;margin-bottom:12px}
.form-info p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:22px}
.contact-list{display:grid;gap:16px}
.contact-list li{display:flex;gap:12px;font-size:14px;align-items:flex-start}
.contact-list .ci{flex-shrink:0;width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:15px}
.contact-list b{display:block;font-size:12px;color:rgba(255,255,255,.55);font-weight:600}
.contact-list span{font-size:14px;word-break:break-all}
.qr{margin-top:24px;background:#fff;border-radius:14px;padding:16px;display:inline-block}
.qr img{width:130px;height:130px;object-fit:cover;border-radius:8px}
.qr p{font-size:12px;color:var(--ink2);margin-top:8px;text-align:center;color:#4a5169}
.form-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--ink)}
.field label i{color:var(--c3);font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:12px 16px;border:1.5px solid var(--line);border-radius:11px;font-size:14px;font-family:inherit;color:var(--ink);background:#fbfbfe;transition:.25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c2);background:#fff;box-shadow:0 0 0 4px rgba(138,77,255,.1)}
.field textarea{resize:vertical;min-height:110px}
.form-box .btn{width:100%;margin-top:6px}
.form-note{font-size:12px;color:var(--ink2);text-align:center;margin-top:14px}

/* misc links */
.friend-grid{display:flex;flex-wrap:wrap;gap:10px 20px}
.friend-grid a{font-size:13px;color:var(--ink2);transition:.2s}
.friend-grid a:hover{color:var(--c1)}

/* footer */
.site-footer{background:#0d0a1f;color:rgba(255,255,255,.66);padding:64px 0 28px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:-180px;right:-100px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(138,77,255,.28),transparent 70%)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;position:relative;z-index:2}
.footer-brand .brand-name{display:block;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col li{font-size:13px;display:block;margin-bottom:10px;transition:.2s;color:rgba(255,255,255,.6)}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;text-align:center;font-size:12.5px;color:rgba(255,255,255,.42);position:relative;z-index:2}
.footer-ai{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center}
.footer-ai a{font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-ai a:hover{color:#fff}

/* float */
.float-bar{position:fixed;right:20px;bottom:26px;z-index:120;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 26px rgba(30,20,90,.28);transition:.3s;border:none;background:#fff;color:var(--c1);font-weight:900}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.float-btn.primary{background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff}
.float-btn#backTop{opacity:0;pointer-events:none;font-size:20px}
.float-btn#backTop.show{opacity:1;pointer-events:auto}
.kf-pop{position:fixed;right:84px;bottom:26px;z-index:121;background:#fff;border-radius:16px;padding:16px;box-shadow:0 18px 50px rgba(30,20,90,.24);width:200px;transform:translateY(10px);opacity:0;pointer-events:none;transition:.3s}
.kf-pop.show{transform:translateY(0);opacity:1;pointer-events:auto}
.kf-pop img{width:100%;border-radius:10px}
.kf-pop p{font-size:12px;text-align:center;color:var(--ink2);margin-top:8px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .network{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 16px 34px rgba(30,20,90,.12);gap:0;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px}
  .nav-cta{margin:8px 0 0;text-align:center}
  .cards,.showcase,.reviews,.price-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .intro-grid,.form-grid{grid-template-columns:1fr;gap:30px}
  .review-panel{grid-template-columns:1fr}
  .articles{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:640px){
  .sec{padding:56px 0}
  .cards,.showcase,.reviews,.price-grid,.stats,.network,.intro-feats,.flow,.adv-list,.form-row{grid-template-columns:1fr}
  .hv-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:66px 0 72px}
  .float-bar{right:14px;bottom:18px}
  .float-btn{width:48px;height:48px}
  .kf-pop{right:14px;bottom:130px;width:180px}
  .form-box,.form-info{padding:24px}
  th,td{padding:13px 14px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}