*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#0d0618;
--bg2:#160a26;
--panel:rgba(41,18,66,.72);
--panel2:rgba(56,24,88,.55);
--line:rgba(196,120,255,.28);
--line2:rgba(255,110,199,.22);
--pink:#ff4fd8;
--pink2:#ff8ae6;
--purple:#a855f7;
--violet:#7c3aed;
--cyan:#38e8ff;
--txt:#f3e9ff;
--txt2:#c6b3e0;
--txt3:#9b86bd;
--radius:16px;
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
background:var(--bg);
color:var(--txt);
line-height:1.7;
overflow-x:hidden;
position:relative;
}
body::before{
content:"";
position:fixed;
inset:0;
background:
radial-gradient(circle at 12% 8%,rgba(168,85,247,.22),transparent 42%),
radial-gradient(circle at 88% 12%,rgba(255,79,216,.18),transparent 40%),
radial-gradient(circle at 50% 96%,rgba(56,232,255,.10),transparent 45%),
linear-gradient(180deg,#0d0618 0%,#140a22 48%,#0f0719 100%);
z-index:-2;
}
body::after{
content:"";
position:fixed;
inset:0;
background-image:
linear-gradient(rgba(168,85,247,.055) 1px,transparent 1px),
linear-gradient(90deg,rgba(168,85,247,.055) 1px,transparent 1px);
background-size:64px 64px;
mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
z-index:-1;
pointer-events:none;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:.4px}
section{position:relative;padding:76px 0}
.section-head{text-align:center;margin-bottom:44px}
.eyebrow{
display:inline-block;font-size:13px;letter-spacing:3px;color:var(--pink2);
border:1px solid var(--line);padding:5px 16px;border-radius:999px;
background:rgba(255,79,216,.07);margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);}
.section-head h2 em{
font-style:normal;
color:var(--pink2);
text-shadow:0 0 22px rgba(255,79,216,.45);
}
.section-head p{color:var(--txt2);max-width:720px;margin:14px auto 0;font-size:15px}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
cursor:pointer;border:1px solid transparent;transition:.28s ease;
position:relative;overflow:hidden;
}
.btn-primary{
background:linear-gradient(120deg,#ff4fd8,#a855f7 60%,#7c3aed);
color:#fff;
box-shadow:0 10px 30px rgba(255,79,216,.34);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,79,216,.5)}
.btn-ghost{
background:rgba(168,85,247,.10);color:var(--txt);border-color:var(--line);
}
.btn-ghost:hover{background:rgba(168,85,247,.22);transform:translateY(-3px);border-color:var(--pink)}
.btn:active{transform:scale(.97)}

/* ============ Header ============ */
.site-header{
position:sticky;top:0;z-index:100;
background:rgba(13,6,24,.82);
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:20px;min-height:68px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:38px;height:38px;object-fit:contain;border-radius:9px}
.brand-name{font-size:18px;font-weight:800;letter-spacing:1px}
.brand-name span{color:var(--pink2)}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links a{
display:block;padding:9px 12px;font-size:14px;color:var(--txt2);
border-radius:8px;transition:.22s ease;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(168,85,247,.18)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:9px 20px;font-size:13.5px}
.menu-toggle{
display:none;background:rgba(168,85,247,.12);border:1px solid var(--line);
color:var(--txt);width:42px;height:42px;border-radius:10px;cursor:pointer;
font-size:20px;line-height:1;align-items:center;justify-content:center;
}

/* ============ Hero ============ */
.hero{padding:84px 0 78px;overflow:hidden}
.hero-grid{
display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.hero-tag{
display:inline-flex;align-items:center;gap:8px;font-size:13px;
color:var(--pink2);border:1px solid var(--line2);
background:rgba(255,79,216,.08);padding:6px 16px;border-radius:999px;margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--pink);
box-shadow:0 0 10px var(--pink);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.hero h1{
font-size:clamp(30px,4.4vw,50px);font-weight:800;margin-bottom:20px;letter-spacing:1px;
}
.hero h1 em{
font-style:normal;
color:var(--pink2);
text-shadow:0 0 28px rgba(255,79,216,.55);
}
.hero-sub{color:var(--txt2);font-size:16px;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
font-size:12.5px;color:var(--txt2);padding:6px 14px;border-radius:999px;
border:1px solid var(--line);background:rgba(168,85,247,.07);
}
.hero-visual{position:relative;display:flex;flex-direction:column;gap:16px}
.orb-wrap{
position:relative;height:270px;border-radius:22px;overflow:hidden;
border:1px solid var(--line);
background:
radial-gradient(circle at 30% 25%,rgba(255,79,216,.30),transparent 55%),
radial-gradient(circle at 75% 70%,rgba(56,232,255,.20),transparent 55%),
linear-gradient(150deg,rgba(124,58,237,.30),rgba(13,6,24,.85));
display:flex;align-items:center;justify-content:center;
}
.orb{
width:150px;height:150px;border-radius:50%;
background:conic-gradient(from 0deg,#ff4fd8,#a855f7,#38e8ff,#ff4fd8);
filter:blur(2px);
animation:spin 12s linear infinite;
box-shadow:0 0 70px rgba(255,79,216,.55);
}
.orb::after{
content:"";position:absolute;inset:32px;border-radius:50%;
background:radial-gradient(circle,#160a26 32%,rgba(22,10,38,.85) 70%,transparent);
}
@keyframes spin{to{transform:rotate(360deg)}}
.orb-core{
position:absolute;z-index:2;text-align:center;font-size:14px;
color:var(--pink2);letter-spacing:2px;font-weight:700;
}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.metric-box{
border:1px solid var(--line);border-radius:14px;padding:16px 12px;text-align:center;
background:var(--panel2);
}
.metric-box strong{display:block;font-size:22px;color:var(--pink2);font-weight:800}
.metric-box span{font-size:12.5px;color:var(--txt3)}

/* ============ 数据指标 ============ */
.stats-strip{
border-top:1px solid var(--line);border-bottom:1px solid var(--line);
background:linear-gradient(90deg,rgba(168,85,247,.10),rgba(255,79,216,.07),rgba(56,232,255,.08));
padding:0;
}
.stats-grid{
display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0;
}
.stat-item{text-align:center;padding:0 8px}
.stat-item strong{font-size:clamp(22px,3vw,30px);color:var(--pink2);display:block;font-weight:800}
.stat-item span{font-size:13.5px;color:var(--txt2)}

/* ============ 关于我们 ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.about-text p{color:var(--txt2);margin-bottom:16px;font-size:15px}
.about-list{display:grid;gap:14px;list-style:none;margin-top:8px}
.about-list li{
display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--txt2);
padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);
}
.about-list li b{color:var(--pink2);flex-shrink:0;font-weight:700}
.about-aside{display:grid;gap:16px}
.aside-card{
border:1px solid var(--line);border-radius:var(--radius);padding:22px;
background:linear-gradient(150deg,rgba(124,58,237,.20),rgba(22,10,38,.72));
}
.aside-card h3{font-size:17px;margin-bottom:12px;color:#fff}
.aside-card p{font-size:14px;color:var(--txt2)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.tag-cloud span{
font-size:12.5px;padding:5px 12px;border-radius:8px;
border:1px solid var(--line);color:var(--txt2);background:rgba(255,79,216,.06);
transition:.22s;
}
.tag-cloud span:hover{color:#fff;border-color:var(--pink);background:rgba(255,79,216,.18)}

/* ============ 服务能力 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{
border:1px solid var(--line);border-radius:var(--radius);
padding:24px 22px;background:var(--panel);
transition:.3s ease;position:relative;overflow:hidden;
}
.svc-card::before{
content:"";position:absolute;top:0;left:0;right:0;height:2px;
background:linear-gradient(90deg,transparent,var(--pink),transparent);
opacity:0;transition:.3s;
}
.svc-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:0 18px 40px rgba(168,85,247,.20)}
.svc-card:hover::before{opacity:1}
.svc-icon{
width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
background:linear-gradient(135deg,rgba(255,79,216,.25),rgba(124,58,237,.30));
border:1px solid var(--line2);margin-bottom:16px;font-size:20px;
}
.svc-card h3{font-size:17px;margin-bottom:10px;color:#fff}
.svc-card p{font-size:14px;color:var(--txt2)}
.model-strip{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.model-strip span{
font-size:13px;padding:7px 16px;border-radius:999px;
border:1px solid var(--line);color:var(--txt2);background:var(--panel2);transition:.22s;
}
.model-strip span:hover{color:#fff;border-color:var(--pink2);transform:translateY(-2px)}

/* ============ 一站式制作 ============ */
.one-stop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.os-card{
border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
background:var(--panel);transition:.3s;
}
.os-card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(255,79,216,.16);border-color:var(--line2)}
.os-media{aspect-ratio:16/9;background:linear-gradient(135deg,rgba(124,58,237,.28),rgba(22,10,38,.9));overflow:hidden}
.os-media img{width:100%;height:100%;object-fit:contain}
.os-body{padding:22px}
.os-body h3{font-size:17.5px;margin-bottom:10px;color:#fff}
.os-body p{font-size:14px;color:var(--txt2);margin-bottom:14px}
.os-tags{display:flex;flex-wrap:wrap;gap:8px}
.os-tags span{font-size:12px;padding:4px 11px;border-radius:6px;color:var(--pink2);background:rgba(255,79,216,.10);border:1px solid var(--line2)}

/* ============ 行业方案 / 服务网络 双列 ============ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.panel-box{
border:1px solid var(--line);border-radius:var(--radius);padding:26px;
background:linear-gradient(160deg,rgba(41,18,66,.75),rgba(22,10,38,.85));
}
.panel-box h3{font-size:19px;margin-bottom:8px;color:#fff}
.panel-box .sub{font-size:13.5px;color:var(--txt3);margin-bottom:18px}
.ind-list{display:grid;gap:12px;list-style:none}
.ind-list li{
font-size:14px;color:var(--txt2);padding:12px 14px;border-radius:10px;
border-left:3px solid var(--pink);background:rgba(168,85,247,.09);
transition:.22s;
}
.ind-list li:hover{background:rgba(168,85,247,.18);transform:translateX(4px)}
.ind-list li b{color:#fff;display:block;font-size:14.5px;margin-bottom:2px}
.net-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.net-item{
padding:16px 14px;border-radius:12px;border:1px solid var(--line);
background:rgba(255,79,216,.05);transition:.22s;
}
.net-item:hover{background:rgba(255,79,216,.13);transform:translateY(-3px)}
.net-item strong{display:block;font-size:14.5px;color:#fff;margin-bottom:4px}
.net-item span{font-size:12.5px;color:var(--txt3)}

/* ============ 标准流程 时间线 ============ */
.timeline{position:relative;display:grid;gap:0;max-width:880px;margin:0 auto}
.tl-item{position:relative;padding:0 0 32px 62px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
content:"";position:absolute;left:19px;top:8px;bottom:-8px;width:2px;
background:linear-gradient(180deg,var(--pink),rgba(168,85,247,.15));
}
.tl-item:last-child::before{display:none}
.tl-dot{
position:absolute;left:6px;top:2px;width:28px;height:28px;border-radius:50%;
background:linear-gradient(135deg,#ff4fd8,#7c3aed);display:flex;align-items:center;
justify-content:center;font-size:12.5px;font-weight:800;color:#fff;
box-shadow:0 0 0 5px rgba(255,79,216,.12);
}
.tl-body{
border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:var(--panel2);
transition:.25s;
}
.tl-body:hover{border-color:var(--line2);transform:translateY(-3px)}
.tl-body h3{font-size:16.5px;margin-bottom:6px;color:#fff}
.tl-body p{font-size:14px;color:var(--txt2)}

/* ============ 案例中心 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
background:var(--panel);transition:.3s;
}
.case-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:0 18px 40px rgba(168,85,247,.20)}
.case-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(124,58,237,.3),rgba(22,10,38,.9))}
.case-media img{width:100%;height:100%;object-fit:contain}
.case-info{padding:18px 20px}
.case-info h3{font-size:16px;margin-bottom:8px;color:#fff}
.case-info p{font-size:13.5px;color:var(--txt2)}

/* ============ 对比评测 ============ */
.compare-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
.score-card{
border:1px solid var(--line2);border-radius:var(--radius);padding:28px;
background:linear-gradient(160deg,rgba(255,79,216,.16),rgba(124,58,237,.18),rgba(22,10,38,.9));
text-align:center;
}
.score-big{font-size:54px;font-weight:800;color:var(--pink2);line-height:1.1;text-shadow:0 0 28px rgba(255,79,216,.55)}
.score-big small{font-size:18px;color:var(--txt2);font-weight:600}
.score-stars{font-size:22px;color:#ffd166;letter-spacing:6px;margin:10px 0 6px}
.score-card p{font-size:14px;color:var(--txt2);margin-top:8px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;min-width:520px}
thead th{
background:rgba(124,58,237,.28);color:#fff;font-size:14px;font-weight:700;
padding:14px 16px;text-align:left;white-space:nowrap;
}
tbody td{
padding:13px 16px;font-size:13.8px;color:var(--txt2);
border-top:1px solid rgba(196,120,255,.14);
}
tbody td:first-child{color:#fff;font-weight:600}
tbody tr:hover{background:rgba(168,85,247,.10)}
.good{color:var(--pink2);font-weight:700}

/* ============ 关于我们/客户评价 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
border:1px solid var(--line);border-radius:var(--radius);padding:22px;
background:var(--panel);transition:.28s;display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{transform:translateY(-5px);border-color:var(--line2);box-shadow:0 16px 36px rgba(168,85,247,.18)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
width:42px;height:42px;border-radius:50%;flex-shrink:0;
background:linear-gradient(135deg,#ff4fd8,#7c3aed);
display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;
}
.review-top strong{display:block;font-size:14.5px;color:#fff}
.review-top span{font-size:12.5px;color:var(--txt3)}
.review-card p{font-size:14px;color:var(--txt2);flex:1}
.review-stars{font-size:14px;color:#ffd166;letter-spacing:3px}

/* ============ Token比价 ============ */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.token-card{
border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--panel2);
text-align:center;transition:.26s;
}
.token-card:hover{transform:translateY(-5px);border-color:var(--pink2);background:rgba(255,79,216,.12)}
.token-card h3{font-size:15px;color:#fff;margin-bottom:8px}
.token-price{font-size:22px;font-weight:800;color:var(--pink2)}
.token-price small{font-size:12px;color:var(--txt3);font-weight:400}
.token-note{font-size:12.5px;color:var(--txt3);margin-top:6px}
.token-tip{font-size:13px;color:var(--txt3);text-align:center;margin-top:20px}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{
border:1px solid var(--line);border-radius:12px;background:var(--panel2);overflow:hidden;
transition:.25s;
}
.faq-item.open{border-color:var(--line2);background:rgba(255,79,216,.09)}
.faq-q{
width:100%;background:none;border:none;color:#fff;font-size:15px;text-align:left;
padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
gap:16px;font-family:inherit;font-weight:600;
}
.faq-q .icon{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1px solid var(--line2);
display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--pink2);transition:.3s}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--txt2)}

/* ============ AI百科 / 行业资讯 ============ */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{
border:1px solid var(--line);border-radius:var(--radius);padding:22px;
background:var(--panel);transition:.28s;display:flex;flex-direction:column;gap:10px;
}
.article-card:hover{transform:translateY(-5px);border-color:var(--line2)}
.article-card span{font-size:12.5px;color:var(--pink2);letter-spacing:1px}
.article-card h3{font-size:16px;color:#fff}
.article-card p{font-size:13.8px;color:var(--txt2);flex:1}
.ai-poster-articles{margin-top:26px;border:1px dashed var(--line);border-radius:14px;padding:22px;background:var(--panel2)}
.ai-poster-articles h3{font-size:15.5px;color:#fff;margin-bottom:8px}
.ai-poster-articles p{font-size:13.5px;color:var(--txt3)}

/* ============ 表单 ============ */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start}
.contact-card{
border:1px solid var(--line);border-radius:var(--radius);padding:26px;
background:linear-gradient(160deg,rgba(124,58,237,.20),rgba(22,10,38,.85));
}
.contact-card h3{font-size:18px;color:#fff;margin-bottom:16px}
.contact-list{list-style:none;display:grid;gap:14px}
.contact-list li{font-size:14px;color:var(--txt2)}
.contact-list li b{display:block;color:#fff;font-size:13.5px;margin-bottom:2px}
.qr-box{
margin-top:22px;padding:16px;border-radius:12px;border:1px solid var(--line);
background:rgba(255,79,216,.06);display:flex;gap:16px;align-items:center;
}
.qr-box img{width:96px;height:96px;object-fit:contain;border-radius:8px;background:#fff;padding:4px}
.qr-box div{font-size:13px;color:var(--txt2)}
.qr-box div b{display:block;color:#fff;font-size:14px;margin-bottom:4px}
form{
border:1px solid var(--line);border-radius:var(--radius);padding:26px;
background:var(--panel);display:grid;gap:16px;
}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;color:var(--txt2)}
.field input,.field select,.field textarea{
width:100%;padding:11px 14px;border-radius:10px;font-size:14px;font-family:inherit;
background:rgba(13,6,24,.7);border:1px solid var(--line);color:var(--txt);
transition:.22s;
}
.field input:focus,.field select:focus,.field textarea:focus{
outline:none;border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,79,216,.14);
}
.field textarea{resize:vertical;min-height:100px}
.field select option{background:#160a26;color:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .btn{width:100%;margin-top:4px}

/* ============ 友情链接 ============ */
.links-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.links-cloud a{
font-size:13.5px;padding:8px 18px;border-radius:999px;
border:1px solid var(--line);color:var(--txt2);background:var(--panel2);
transition:.24s;
}
.links-cloud a:hover{color:#fff;border-color:var(--pink2);background:rgba(255,79,216,.15);transform:translateY(-2px)}

/* ============ Footer ============ */
footer{
border-top:1px solid var(--line);
background:#0a0413;
padding:44px 0 24px;
margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;margin-bottom:30px}
.foot-brand .brand{margin-bottom:12px}
.foot-brand p{font-size:13.5px;color:var(--txt2);max-width:340px}
.foot-col h4{font-size:14.5px;color:#fff;margin-bottom:14px}
.foot-col ul{list-style:none;display:grid;gap:9px}
.foot-col ul li{font-size:13.5px;color:var(--txt2)}
.foot-col ul li a{color:var(--txt2);transition:.2s}
.foot-col ul li a:hover{color:var(--pink2)}
.foot-bottom{
border-top:1px solid rgba(196,120,255,.16);padding-top:18px;
display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
font-size:13px;color:var(--txt3);
}
.foot-bottom a{color:var(--txt2)}
.foot-bottom a:hover{color:var(--pink2)}

/* ============ 浮动客服 & 返回顶部 ============ */
.floating{position:fixed;right:18px;bottom:22px;display:flex;flex-direction:column;gap:10px;z-index:99}
.float-btn{
width:48px;height:48px;border-radius:14px;border:1px solid var(--line2);
background:linear-gradient(140deg,rgba(255,79,216,.28),rgba(124,58,237,.34));
color:#fff;display:flex;align-items:center;justify-content:center;
cursor:pointer;font-size:18px;transition:.26s;backdrop-filter:blur(8px);
box-shadow:0 10px 24px rgba(124,58,237,.3);
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(255,79,216,.4)}
#backTop{opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}
.kf-panel{
position:fixed;right:18px;bottom:130px;width:250px;
border:1px solid var(--line2);border-radius:16px;padding:18px;
background:rgba(22,10,38,.98);z-index:99;
box-shadow:0 20px 50px rgba(0,0,0,.6);
display:none;
}
.kf-panel.show{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.kf-panel h4{font-size:14.5px;color:#fff;margin-bottom:12px}
.kf-panel img{width:100%;max-width:170px;margin:0 auto 12px;border-radius:8px;background:#fff;padding:5px}
.kf-panel p{font-size:12.8px;color:var(--txt2);text-align:center}

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

/* ============ 响应式 ============ */
@media (max-width:1024px){
.hero-grid,.about-grid,.two-col,.compare-wrap,.form-wrap{grid-template-columns:1fr;gap:30px}
.svc-grid,.case-grid,.review-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
.token-grid{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
.foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
.nav-links{
display:none;width:100%;order:3;flex-direction:column;align-items:stretch;
padding:8px 0 14px;border-top:1px solid var(--line);margin-top:6px;
}
.nav-links.show{display:flex}
.nav-links a{padding:11px 8px}
.menu-toggle{display:flex}
.nav-wrap{min-height:62px;padding:8px 0}
.hero{padding:56px 0 60px}
.orb-wrap{height:230px}
.one-stop-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
.container{padding:0 16px}
section{padding:54px 0}
.svc-grid,.case-grid,.review-grid,.article-grid,.token-grid,.net-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.hero-metrics{grid-template-columns:repeat(3,1fr);gap:8px}
.metric-box strong{font-size:18px}
.stat-item strong{font-size:23px}
.tl-item{padding-left:52px}
.foot-grid{grid-template-columns:1fr;gap:24px}
.foot-bottom{justify-content:flex-start}
.score-big{font-size:46px}
.hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important}
.reveal{opacity:1;transform:none}
}