*{margin:0;padding:0;box-sizing:border-box;}
:root{
--mint:#3fbf9f;
--mint-dark:#2a9d82;
--mint-light:#e6f7f2;
--mint-soft:#f2fbf8;
--ink:#1a2e28;
--ink-soft:#3d5a52;
--gray:#6b857c;
--line:#d6ede5;
--bg:#f7fcfa;
--white:#ffffff;
--radius:16px;
--shadow:0 8px 30px rgba(42,157,130,.08);
--shadow-hover:0 16px 44px rgba(42,157,130,.16);
}
html{scroll-behavior:smooth;}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
background:var(--bg);
color:var(--ink);
line-height:1.7;
-webkit-font-smoothing:antialiased;
background-image:radial-gradient(circle at 12% 0%, rgba(63,191,159,.10) 0%, transparent 36%),radial-gradient(circle at 88% 16%, rgba(63,191,159,.08) 0%, transparent 34%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--mint-dark);text-decoration:none;transition:color .25s;}
a:hover{color:var(--mint);}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .eyebrow{
display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;
color:var(--mint-dark);background:var(--mint-light);
padding:6px 18px;border-radius:30px;margin-bottom:16px;
}
.section-head h2{font-size:32px;font-weight:700;color:var(--ink);letter-spacing:-.5px;}
.section-head p{margin-top:12px;font-size:16px;color:var(--gray);max-width:640px;margin-left:auto;margin-right:auto;}

/* 导航 */
header{position:sticky;top:0;z-index:100;background:rgba(247,252,250,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:20px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{height:34px;width:auto;}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.5px;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;}
.nav-links a{font-size:14px;color:var(--ink-soft);padding:8px 12px;border-radius:8px;white-space:nowrap;font-weight:500;transition:background .2s,color .2s;}
.nav-links a:hover{background:var(--mint-light);color:var(--mint-dark);}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--mint);color:#fff!important;padding:9px 20px;border-radius:30px;font-size:14px;font-weight:600;flex-shrink:0;transition:background .25s,transform .25s,box-shadow .25s;}
.nav-cta:hover{background:var(--mint-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(42,157,130,.3);}
.menu-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:8px;padding:6px 10px;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:12px 24px 20px;border-top:1px solid var(--line);background:var(--mint-soft);}
.mobile-menu a{font-size:15px;color:var(--ink-soft);padding:10px 8px;border-radius:8px;font-weight:500;}
.mobile-menu a:hover{background:var(--mint-light);}
.mobile-menu .nav-cta{margin-top:6px;justify-content:center;color:#fff!important;}
.mobile-menu.open{display:flex;}

/* Hero */
.hero{padding:80px 0 72px;position:relative;overflow:hidden;}
.hero::before{
content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
background:radial-gradient(circle,rgba(63,191,159,.16) 0%,transparent 70%);border-radius:50%;pointer-events:none;
}
.hero::after{
content:"";position:absolute;bottom:-140px;left:-100px;width:420px;height:420px;
background:radial-gradient(circle,rgba(63,191,159,.10) 0%,transparent 70%);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--mint-light);color:var(--mint-dark);font-size:13px;font-weight:600;padding:7px 16px;border-radius:30px;margin-bottom:22px;}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.3);}}
.hero h1{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-1px;color:var(--ink);}
.hero h1 .accent{color:var(--mint-dark);position:relative;}
.hero-sub{margin-top:20px;font-size:17px;color:var(--gray);max-width:540px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--mint);color:#fff;padding:14px 32px;border-radius:12px;font-size:16px;font-weight:700;border:none;cursor:pointer;transition:background .25s,transform .25s,box-shadow .25s;}
.btn-primary:hover{background:var(--mint-dark);transform:translateY(-3px);box-shadow:0 12px 28px rgba(42,157,130,.32);color:#fff;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--white);color:var(--ink);padding:14px 32px;border-radius:12px;font-size:16px;font-weight:600;border:1.5px solid var(--line);cursor:pointer;transition:border-color .25s,transform .25s,box-shadow .25s;}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint-dark);transform:translateY(-3px);box-shadow:var(--shadow);}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;padding-top:32px;border-top:1px dashed var(--line);}
.hero-metrics .metric strong{display:block;font-size:26px;font-weight:800;color:var(--mint-dark);letter-spacing:-.5px;}
.hero-metrics .metric span{font-size:13px;color:var(--gray);}
/* Hero 右侧纯CSS卡片 */
.hero-visual{display:flex;flex-direction:column;gap:18px;}
.visual-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.visual-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.visual-card .vc-title{font-size:14px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.visual-card .vc-title .tag{font-size:11px;font-weight:600;color:var(--mint-dark);background:var(--mint-light);padding:3px 10px;border-radius:20px;}
.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.bar-row .label{font-size:12.5px;color:var(--ink-soft);width:76px;flex-shrink:0;}
.bar-row .track{flex:1;height:8px;background:var(--mint-light);border-radius:20px;overflow:hidden;}
.bar-row .fill{height:100%;border-radius:20px;background:linear-gradient(90deg,var(--mint),var(--mint-dark));}
.bar-row .val{font-size:12px;font-weight:700;color:var(--mint-dark);width:38px;text-align:right;}
.visual-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.mini-card{background:var(--mint-soft);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;transition:transform .3s;}
.mini-card:hover{transform:translateY(-3px);}
.mini-card strong{display:block;font-size:20px;font-weight:800;color:var(--mint-dark);}
.mini-card span{font-size:12px;color:var(--gray);}
.visual-pills{display:flex;flex-wrap:wrap;gap:8px;}
.visual-pills span{font-size:12px;color:var(--ink-soft);background:var(--mint-soft);border:1px solid var(--line);padding:5px 12px;border-radius:20px;}

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

/* 平台介绍 */
.about-panel{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;box-shadow:var(--shadow);}
.about-panel h2{font-size:30px;font-weight:800;margin-bottom:16px;letter-spacing:-.5px;}
.about-panel p{font-size:15.5px;color:var(--ink-soft);margin-bottom:14px;}
.about-list{display:grid;gap:14px;margin-top:8px;}
.about-list .item{display:flex;gap:12px;align-items:flex-start;}
.about-list .item .ico{width:36px;height:36px;flex-shrink:0;border-radius:10px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;font-size:16px;}
.about-list .item strong{display:block;font-size:14.5px;color:var(--ink);font-weight:700;}
.about-list .item span{font-size:13.5px;color:var(--gray);}
.about-aside{background:var(--mint-soft);border:1px solid var(--line);border-radius:16px;padding:28px;}
.about-aside h3{font-size:17px;font-weight:700;margin-bottom:14px;}
.about-aside .stat-line{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.about-aside .stat-line:last-child{border-bottom:none;}
.about-aside .stat-line span{color:var(--gray);}
.about-aside .stat-line strong{color:var(--mint-dark);font-weight:700;}

/* 数据指标 */
.metrics-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;}
.metric-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;}
.metric-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--mint);}
.metric-card strong{display:block;font-size:30px;font-weight:800;color:var(--mint-dark);letter-spacing:-1px;}
.metric-card span{font-size:13.5px;color:var(--gray);}

/* 服务卡片 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;}
.service-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--mint),transparent);opacity:0;transition:opacity .3s;}
.service-card:hover::before{opacity:1;}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--mint);}
.service-icon{width:48px;height:48px;border-radius:12px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;}
.service-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--ink);}
.service-card p{font-size:14px;color:var(--gray);line-height:1.75;}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:transform .3s,box-shadow .3s;}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--mint);color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--gray);}

/* 行业方案 & 服务网络 */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.solution-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s;}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.solution-card .tag{display:inline-block;font-size:12px;font-weight:600;color:var(--mint-dark);background:var(--mint-light);padding:4px 12px;border-radius:20px;margin-bottom:14px;}
.solution-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.solution-card p{font-size:14px;color:var(--gray);line-height:1.75;}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.case-img{aspect-ratio:16/9;overflow:hidden;background:var(--mint-soft);}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.case-card:hover .case-img img{transform:scale(1.05);}
.case-body{padding:24px;}
.case-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--gray);}
.case-single{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.case-single .case-img{aspect-ratio:4/3;height:100%;}
.case-single .case-body{padding:38px;}
.case-single .case-body h3{font-size:22px;font-weight:800;margin-bottom:12px;}
.case-single .case-body p{font-size:15px;color:var(--gray);line-height:1.85;}

/* 对比评测 */
.compare-wrap{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--shadow);}
.rating-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(120deg,var(--mint-light),var(--mint-soft));border-radius:16px;padding:28px 32px;margin-bottom:32px;}
.rating-banner .score-main{display:flex;align-items:baseline;gap:8px;}
.rating-banner .score-main strong{font-size:46px;font-weight:800;color:var(--mint-dark);letter-spacing:-2px;}
.rating-banner .score-main span{font-size:16px;color:var(--gray);}
.rating-banner .stars{font-size:22px;color:#f5b301;letter-spacing:3px;}
.rating-banner .rating-note{font-size:14px;color:var(--ink-soft);max-width:520px;}
.table-scroll{overflow-x:auto;border-radius:12px;border:1px solid var(--line);}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px;}
thead{background:var(--mint-soft);}
th{padding:15px 18px;text-align:left;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);white-space:nowrap;}
td{padding:14px 18px;color:var(--ink-soft);border-bottom:1px solid var(--line);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:nth-child(even){background:#fbfefd;}
tbody tr:hover{background:var(--mint-light);}
td.hl{color:var(--mint-dark);font-weight:700;}

/* Token 比价 */
.token-panel{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--shadow);}
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px;}
.token-card{background:var(--mint-soft);border:1px solid var(--line);border-radius:14px;padding:22px;transition:transform .3s,box-shadow .3s;}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.token-card .tk-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.token-card .tk-head strong{font-size:16px;font-weight:700;}
.token-card .tk-head .badge{font-size:11px;font-weight:700;color:#fff;background:var(--mint);padding:3px 10px;border-radius:20px;}
.token-card p{font-size:13.5px;color:var(--gray);line-height:1.7;}

/* 评论 */
.review-grid{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;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-top{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--mint-light);color:var(--mint-dark);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.review-top .who strong{display:block;font-size:14.5px;color:var(--ink);}
.review-top .who span{font-size:12.5px;color:var(--gray);}
.review-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;}
.review-stars{color:#f5b301;font-size:14px;letter-spacing:2px;}

/* 文章 */
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.article-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;gap:12px;}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.article-card .cat{font-size:12px;font-weight:600;color:var(--mint-dark);background:var(--mint-light);padding:4px 12px;border-radius:20px;align-self:flex-start;}
.article-card h3{font-size:16px;font-weight:700;line-height:1.5;}
.article-card p{font-size:13.5px;color:var(--gray);flex:1;}
.article-card .more{font-size:13.5px;font-weight:600;color:var(--mint-dark);}
.article-card .more:hover{text-decoration:underline;}
.article-dynamic{margin-top:32px;background:var(--mint-soft);border:1px dashed var(--line);border-radius:16px;padding:24px 28px;text-align:center;font-size:14px;color:var(--gray);}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s;}
.faq-item.active{border-color:var(--mint);box-shadow:var(--shadow);}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;transition:color .2s;}
.faq-q:hover{color:var(--mint-dark);}
.faq-q .arrow{font-size:18px;color:var(--mint);transition:transform .3s;flex-shrink:0;}
.faq-item.active .faq-q .arrow{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 20px;font-size:14px;color:var(--gray);line-height:1.8;}

/* 表单 */
.form-panel{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:44px;box-shadow:var(--shadow);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-group{display:flex;flex-direction:column;gap:7px;}
.form-group.full{grid-column:1 / -1;}
.form-group label{font-size:13.5px;font-weight:600;color:var(--ink-soft);}
.form-group input,.form-group select,.form-group textarea{
width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:10px;
font-size:14.5px;font-family:inherit;color:var(--ink);background:var(--mint-soft);
transition:border-color .25s,box-shadow .25s;outline:none;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(63,191,159,.15);background:var(--white);}
.form-group textarea{resize:vertical;min-height:110px;}
.form-group select{cursor:pointer;}
.form-submit{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-submit .btn-primary{padding:14px 40px;}
.form-note{font-size:13px;color:var(--gray);}

/* 联系 & 加盟 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:transform .3s,box-shadow .3s;}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.contact-card h3{font-size:18px;font-weight:700;margin-bottom:16px;}
.contact-card .contact-line{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:14.5px;color:var(--ink-soft);}
.contact-card .contact-line .ico{width:32px;height:32px;border-radius:9px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.qr-box{display:flex;align-items:center;gap:22px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);}
.qr-box img{width:120px;height:120px;object-fit:contain;border-radius:10px;border:1px solid var(--line);background:#fff;}
.qr-box .qr-text{font-size:13.5px;color:var(--gray);line-height:1.8;}

/* 友情链接 */
.friend-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.friend-links a{font-size:13px;color:var(--ink-soft);background:var(--mint-soft);border:1px solid var(--line);padding:6px 16px;border-radius:20px;transition:background .2s,color .2s,border-color .2s;}
.friend-links a:hover{background:var(--mint-light);color:var(--mint-dark);border-color:var(--mint);}

/* 页脚 */
footer{background:#123028;color:#b8d4cb;border-top:1px solid #1d453a;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand img{height:32px;}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;}
.footer-brand p{font-size:13.5px;color:#8fb3a8;line-height:1.8;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:13.5px;color:#8fb3a8;padding:5px 0;transition:color .2s;}
.footer-col a:hover{color:#5fd6b8;}
.footer-bottom{border-top:1px solid #1d453a;padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.footer-bottom p{font-size:12.5px;color:#7a9c91;}
.footer-bottom a{color:#7a9c91;}
.footer-bottom a:hover{color:#5fd6b8;}

/* 浮动客服 */
.float-service{position:fixed;right:22px;bottom:28px;z-index:200;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.float-btn{width:52px;height:52px;border-radius:50%;background:var(--mint);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;border:none;cursor:pointer;box-shadow:0 8px 24px rgba(42,157,130,.35);transition:transform .25s,background .25s;}
.float-btn:hover{transform:translateY(-3px) scale(1.06);background:var(--mint-dark);}
.float-btn.top{background:var(--white);color:var(--mint-dark);border:1.5px solid var(--line);box-shadow:0 6px 18px rgba(0,0,0,.08);font-size:18px;}
.float-kefu{position:fixed;right:22px;bottom:98px;z-index:201;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 16px 44px rgba(0,0,0,.14);display:none;text-align:center;width:190px;}
.float-kefu.show{display:block;animation:fadeUp .3s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.float-kefu img{width:140px;height:140px;object-fit:contain;margin:0 auto 10px;border-radius:8px;}
.float-kefu p{font-size:12.5px;color:var(--gray);}

/* 响应式 */
@media (max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:44px;}
.hero h1{font-size:36px;}
.about-panel{grid-template-columns:1fr;padding:32px;}
.service-grid,.solution-grid,.review-grid,.article-list,.token-grid{grid-template-columns:repeat(2,1fr);}
.steps{grid-template-columns:repeat(2,1fr);}
.metrics-bar{grid-template-columns:repeat(2,1fr);}
.footer-grid{grid-template-columns:1fr 1fr;}
.case-single{grid-template-columns:1fr;}
.case-single .case-img{aspect-ratio:16/9;}
}
@media (max-width:860px){
.nav-links{display:none;}
.menu-toggle{display:block;}
.hero h1{font-size:31px;}
.section-head h2{font-size:26px;}
.form-grid{grid-template-columns:1fr;}
.contact-grid{grid-template-columns:1fr;}
.compare-wrap,.token-panel,.form-panel{padding:26px 20px;}
.rating-banner{padding:22px;}
}
@media (max-width:640px){
section{padding:50px 0;}
.container{padding:0 18px;}
.hero{padding:56px 0 50px;}
.hero h1{font-size:27px;letter-spacing:-.5px;}
.hero-sub{font-size:15.5px;}
.service-grid,.solution-grid,.review-grid,.article-list,.token-grid,.steps,.case-grid{grid-template-columns:1fr;}
.metrics-bar{grid-template-columns:1fr 1fr;gap:14px;}
.hero-metrics{gap:22px;}
.hero-metrics .metric strong{font-size:22px;}
.footer-grid{grid-template-columns:1fr;gap:28px;}
.visual-mini{grid-template-columns:1fr 1fr;}
.btn-primary,.btn-ghost{width:100%;}
.form-submit .btn-primary{width:100%;}
.section-head{margin-bottom:34px;}
}
@media (prefers-reduced-motion:reduce){
*{animation-duration:.01ms!important;transition-duration:.01ms!important;}
.reveal{opacity:1;transform:none;}
}