:root{
  --primary:#ff5a3c;
  --primary-2:#ff8a3d;
  --accent:#2b59ff;
  --accent-2:#00c2a8;
  --purple:#7c4dff;
  --yellow:#ffd23f;
  --pink:#ff4f9a;
  --ink:#1c1c28;
  --ink-2:#4a4a5e;
  --ink-3:#7b7b90;
  --bg:#fffdf9;
  --bg-2:#fff5ec;
  --line:#ffe2d2;
  --card:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(255,90,60,.10);
  --shadow-lg:0 20px 50px rgba(28,28,40,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:92%;max-width:1200px;margin:0 auto}
section{padding:76px 0;position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto 46px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary);background:var(--bg-2);border:1px dashed var(--primary);
  padding:4px 16px;border-radius:999px;transform:rotate(-1.5deg);margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);line-height:1.3;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}
.highlight{
  background:linear-gradient(115deg,var(--primary),var(--primary-2) 55%,var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.scribble{position:relative;display:inline-block}
.scribble::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:8px;
  background:repeating-linear-gradient(90deg,var(--yellow) 0 12px,transparent 12px 18px);
  border-radius:6px;opacity:.85;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;
  border:none;cursor:pointer;transition:.25s;position:relative;
}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 8px 22px rgba(255,90,60,.35)}
.btn-primary:hover{transform:translateY(-3px) rotate(-.6deg);box-shadow:0 14px 30px rgba(255,90,60,.45)}
.btn-ghost{background:#fff;color:var(--ink);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}
.btn-ghost:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(43,89,255,.3)}
.btn-accent:hover{transform:translateY(-3px)}

/* 导航 */
header.nav{
  position:sticky;top:0;z-index:100;background:rgba(255,253,249,.94);
  backdrop-filter:blur(12px);border-bottom:2px dashed var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links a{
  font-size:14px;font-weight:600;padding:8px 11px;border-radius:10px;
  color:var(--ink-2);transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--primary);background:var(--bg-2);transform:translateY(-2px)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:9px 20px;font-size:14px;box-shadow:3px 3px 0 var(--ink)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.25s}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:80px 0 90px;
  background:
    radial-gradient(circle at 12% 20%,rgba(255,210,63,.42),transparent 42%),
    radial-gradient(circle at 86% 14%,rgba(124,77,255,.28),transparent 40%),
    radial-gradient(circle at 78% 88%,rgba(0,194,168,.24),transparent 44%),
    linear-gradient(160deg,#fff7ef 0%,#fffdf9 52%,#f2f6ff 100%);
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{width:260px;height:260px;border:3px dashed var(--primary);top:-90px;left:-90px;opacity:.35;animation:spin 40s linear infinite}
.hero::after{width:180px;height:180px;border:3px dashed var(--accent);bottom:-60px;right:-50px;opacity:.3;animation:spin 32s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  background:#fff;border:2px solid var(--ink);padding:7px 16px;border-radius:999px;
  box-shadow:4px 4px 0 var(--primary);margin-bottom:22px;transform:rotate(-1deg);
}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;margin-bottom:22px;letter-spacing:-.5px}
.hero p.lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-tags span{
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);color:var(--ink-2);
  transition:.2s;
}
.hero-tags span:hover{transform:translateY(-3px) rotate(-2deg);border-color:var(--primary);color:var(--primary)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{
  background:#fff;border:2px solid var(--ink);border-radius:var(--radius);
  padding:22px 20px;box-shadow:6px 6px 0 rgba(28,28,40,.9);
  transition:.25s;position:relative;overflow:hidden;
}
.stat-card:nth-child(2){transform:rotate(1.5deg)}
.stat-card:nth-child(3){transform:rotate(-1.5deg)}
.stat-card:hover{transform:translateY(-6px) rotate(0);box-shadow:10px 10px 0 var(--primary)}
.stat-card .num{font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1.1;color:var(--primary)}
.stat-card .num small{font-size:15px}
.stat-card .label{font-size:13px;color:var(--ink-3);margin-top:6px;font-weight:600}
.stat-card .dot{position:absolute;top:14px;right:14px;width:10px;height:10px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(0,194,168,.18)}

/* 关于 */
.about{background:var(--bg-2)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.about-text h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px;line-height:1.3}
.about-text p{color:var(--ink-2);margin-bottom:14px}
.about-points{list-style:none;display:grid;gap:12px;margin-top:22px}
.about-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.about-points .ic{
  flex:0 0 26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--yellow));
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;transform:rotate(-4deg);
}
.about-visual{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-visual img{border-radius:var(--radius);border:2px solid var(--ink);box-shadow:6px 6px 0 rgba(28,28,40,.85);object-fit:cover;width:100%;height:auto}
.about-visual .tall{grid-row:span 2}
.about-visual .badge-float{
  position:absolute;bottom:-16px;left:-10px;background:var(--accent);color:#fff;
  font-weight:800;font-size:13px;padding:10px 18px;border-radius:14px;
  transform:rotate(-3deg);box-shadow:4px 4px 0 var(--ink);
}

/* 服务卡片 */
.services{background:var(--bg)}
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.service-card{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:24px 22px;transition:.28s;position:relative;overflow:hidden;
}
.service-card::after{
  content:"";position:absolute;top:-4px;right:-4px;width:60px;height:60px;border-radius:50%;
  background:rgba(255,210,63,.25);transition:.3s;
}
.service-card:hover{transform:translateY(-8px) rotate(-.8deg);box-shadow:8px 8px 0 var(--primary)}
.service-card .icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:24px;margin-bottom:16px;color:#fff;transform:rotate(-3deg);
}
.service-card h3{font-size:17px;margin-bottom:8px}
.service-card p{font-size:14px;color:var(--ink-2)}
.ic-orange{background:linear-gradient(135deg,#ff5a3c,#ff8a3d)}
.ic-blue{background:linear-gradient(135deg,#2b59ff,#5f8bff)}
.ic-green{background:linear-gradient(135deg,#00c2a8,#00d9a0)}
.ic-purple{background:linear-gradient(135deg,#7c4dff,#b46bff)}
.ic-pink{background:linear-gradient(135deg,#ff4f9a,#ff7ab5)}
.ic-yellow{background:linear-gradient(135deg,#ffb100,#ffd23f)}

/* 一站式 */
.onestop{background:linear-gradient(180deg,#eef2ff 0%,#f7fbff 100%)}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.flow-step{
  background:#fff;border:2px dashed var(--accent);border-radius:var(--radius);
  padding:22px 18px;text-align:center;transition:.25s;position:relative;
}
.flow-step:hover{transform:translateY(-6px);border-style:solid;box-shadow:var(--shadow-lg)}
.flow-step .n{
  width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-weight:800;margin:0 auto 12px;
  box-shadow:3px 3px 0 rgba(28,28,40,.85);
}
.flow-step h4{font-size:15px;margin-bottom:6px}
.flow-step p{font-size:13px;color:var(--ink-3)}

/* 行业方案 */
.industry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.industry-card{
  border-radius:var(--radius);padding:26px 22px;color:#fff;position:relative;overflow:hidden;
  transition:.28s;min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;
}
.industry-card:hover{transform:translateY(-6px) scale(1.01);box-shadow:var(--shadow-lg)}
.industry-card h3{font-size:18px;margin-bottom:6px}
.industry-card p{font-size:13px;opacity:.92}
.industry-card::before{content:"";position:absolute;top:-30px;right:-30px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.18)}
.bg1{background:linear-gradient(135deg,#ff5a3c,#ff8a3d)}
.bg2{background:linear-gradient(135deg,#2b59ff,#5f8bff)}
.bg3{background:linear-gradient(135deg,#00c2a8,#2ad4b4)}
.bg4{background:linear-gradient(135deg,#7c4dff,#b46bff)}
.bg5{background:linear-gradient(135deg,#ff4f9a,#ff7ab5)}
.bg6{background:linear-gradient(135deg,#ffb100,#ffd23f)}

/* 服务网络 */
.network{background:var(--bg)}
.net-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.net-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;border-left:6px solid var(--primary)}
.net-card:nth-child(2){border-left-color:var(--accent)}
.net-card:nth-child(3){border-left-color:var(--accent-2)}
.net-card:nth-child(4){border-left-color:var(--purple)}
.net-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net-card h4{font-size:16px;margin-bottom:8px}
.net-card p{font-size:14px;color:var(--ink-2)}

/* 流程 */
.process{background:var(--bg-2);position:relative}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:3px;background:repeating-linear-gradient(180deg,var(--primary) 0 10px,transparent 10px 18px)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:4px;width:22px;height:22px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.15);
}
.tl-item h4{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--ink-2)}

/* 案例 */
.case{background:var(--bg)}
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.case-card{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;transition:.28s}
.case-card:hover{transform:translateY(-8px);box-shadow:8px 8px 0 var(--accent-2)}
.case-card img{width:100%;height:190px;object-fit:cover}
.case-body{padding:18px 20px}
.case-body .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:var(--bg-2);padding:3px 12px;border-radius:999px;margin-bottom:10px}
.case-body h4{font-size:16px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--ink-2)}

/* 对比 */
.compare{background:linear-gradient(160deg,#fff7ef,#fff);}
.compare-score{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:30px;
  background:#fff;border:2px solid var(--ink);border-radius:var(--radius);
  padding:26px 30px;margin-bottom:34px;box-shadow:8px 8px 0 var(--yellow);
}
.score-main{text-align:center}
.score-main .big{font-size:52px;font-weight:800;line-height:1;background:linear-gradient(120deg,var(--primary),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.score-main .sub{font-size:13px;color:var(--ink-3);font-weight:600;margin-top:6px}
.score-stars{font-size:26px;color:var(--yellow);letter-spacing:3px;filter:drop-shadow(1px 2px 0 rgba(28,28,40,.3))}
.score-note{font-size:14px;color:var(--ink-2);max-width:340px}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:2px solid var(--ink);box-shadow:6px 6px 0 rgba(28,28,40,.85);background:#fff}
table{width:100%;border-collapse:collapse;min-width:640px}
thead{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff}
th,td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
th{font-weight:700;font-size:14.5px;white-space:nowrap}
tbody tr:nth-child(even){background:#fffaf5}
tbody tr:hover{background:#fff2e6}
td .check{color:var(--accent-2);font-weight:800}
td .cross{color:#c0c0cc}

/* 需求表单 */
.need{background:linear-gradient(180deg,#eef2ff,#f7fbff)}
.need-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.need-info h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.need-info p{color:var(--ink-2);margin-bottom:20px}
.need-list{list-style:none;display:grid;gap:14px}
.need-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.need-list .dot{flex:0 0 10px;height:10px;border-radius:50%;background:var(--accent);margin-top:8px}
.form-card{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:30px;box-shadow:8px 8px 0 var(--purple)}
.form-card h3{font-size:19px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:2px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:14px;color:var(--ink);background:#fffdf9;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(255,90,60,.12)}
.field textarea{resize:vertical;min-height:100px}
.form-card .btn{width:100%;margin-top:6px}

/* Token比价 */
.token{background:var(--bg)}
.token-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.token-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:22px;transition:.25s;text-align:center}
.token-card:hover{border-color:var(--primary);transform:translateY(-5px);box-shadow:var(--shadow)}
.token-card .m{font-size:15px;font-weight:800;margin-bottom:10px}
.token-card .p{font-size:24px;font-weight:800;color:var(--primary)}
.token-card .p small{font-size:13px;color:var(--ink-3);font-weight:600}
.token-card .old{font-size:13px;color:var(--ink-3);text-decoration:line-through;margin-top:4px}
.token-note{margin-top:22px;font-size:13px;color:var(--ink-3);text-align:center}

/* 评论 */
.reviews{background:var(--bg-2)}
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:24px;transition:.25s;position:relative}
.review-card:nth-child(2n){transform:rotate(.6deg)}
.review-card:hover{transform:translateY(-6px) rotate(0);box-shadow:8px 8px 0 var(--accent)}
.review-card .stars{color:var(--yellow);font-size:16px;letter-spacing:2px;margin-bottom:12px}
.review-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.review-user{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
}
.review-user .name{font-size:14px;font-weight:700}
.review-user .role{font-size:12.5px;color:var(--ink-3)}

/* 帮助/FAQ */
.faq{background:var(--bg)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:2px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:20px 22px;font-size:15.5px;font-weight:700;font-family:inherit;color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq-q .plus{flex:0 0 26px;height:26px;border-radius:8px;background:var(--bg-2);color:var(--primary);display:grid;place-items:center;font-size:18px;transition:.3s;font-weight:800}
.faq-item.open .plus{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px}
.faq-a p{font-size:14px;color:var(--ink-2);padding-bottom:20px}

/* 文章 */
.articles{background:linear-gradient(180deg,#eef2ff,#fff)}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin-bottom:28px}
.article-card{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:22px;transition:.25s}
.article-card:hover{transform:translateY(-6px);box-shadow:6px 6px 0 var(--primary)}
.article-card .date{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:8px}
.article-card h4{font-size:15.5px;line-height:1.5;margin-bottom:8px}
.article-card p{font-size:13px;color:var(--ink-3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.tag-cloud a{font-size:13px;padding:7px 16px;border-radius:999px;background:#fff;border:1.5px solid var(--line);color:var(--ink-2);transition:.2s}
.tag-cloud a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-3px) rotate(-2deg)}

/* 联系 */
.contact{background:var(--bg-2)}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.contact-card{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:26px;text-align:center;transition:.25s}
.contact-card:hover{transform:translateY(-6px);box-shadow:6px 6px 0 var(--accent-2)}
.contact-card .ic{font-size:30px;margin-bottom:12px}
.contact-card h4{font-size:16px;margin-bottom:8px}
.contact-card p{font-size:14px;color:var(--ink-2);word-break:break-all}
.contact-card img{width:160px;margin:0 auto 10px;border-radius:12px;border:1px solid var(--line)}

/* 加盟 */
.join{background:linear-gradient(140deg,#1c1c28,#2b2b3f);color:#fff}
.join .section-head h2{color:#fff}
.join .section-head p{color:#c8c8d8}
.join .eyebrow{background:rgba(255,255,255,.1);border-color:var(--yellow);color:var(--yellow)}
.join-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.join-card{background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:26px;transition:.25s}
.join-card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px)}
.join-card .num{font-size:26px;font-weight:800;color:var(--yellow);margin-bottom:10px}
.join-card h4{font-size:16px;margin-bottom:8px}
.join-card p{font-size:13.5px;color:#c8c8d8}
.join-cta{text-align:center;margin-top:38px}

/* 页脚 */
footer{background:#1c1c28;color:#c8c8d8;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer-brand .nav-logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#a8a8bc}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#a8a8bc;transition:.2s}
.footer-col a:hover{color:var(--yellow);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:13px;color:#8888a0}

/* 浮动 */
.back-top{
  position:fixed;right:22px;bottom:96px;width:48px;height:48px;border-radius:14px;
  background:#fff;border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);
  display:grid;place-items:center;cursor:pointer;z-index:90;opacity:0;pointer-events:none;transition:.3s;font-size:18px;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--primary)}
.float-kefu{position:fixed;right:22px;bottom:22px;z-index:95}
.kefu-btn{
  width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;display:grid;place-items:center;font-size:24px;cursor:pointer;
  box-shadow:0 10px 26px rgba(255,90,60,.4);transition:.25s;animation:pulse 2.6s infinite;
}
.kefu-btn:hover{transform:scale(1.08) rotate(-6deg)}
@keyframes pulse{0%,100%{box-shadow:0 10px 26px rgba(255,90,60,.4)}50%{box-shadow:0 10px 26px rgba(255,90,60,.4),0 0 0 12px rgba(255,90,60,.12)}}
.kefu-pop{
  position:absolute;right:0;bottom:72px;width:220px;background:#fff;border:2px solid var(--ink);
  border-radius:16px;padding:16px;text-align:center;box-shadow:6px 6px 0 var(--ink);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;
}
.kefu-pop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.kefu-pop img{width:150px;margin:0 auto 10px;border-radius:10px}
.kefu-pop p{font-size:12.5px;color:var(--ink-2);font-weight:600}

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

/* 响应式 */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .need-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.show{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:#fffdf9;border-bottom:2px solid var(--line);padding:16px;gap:4px;
    box-shadow:0 16px 30px rgba(0,0,0,.08);z-index:99;
  }
  .nav-links.show a{padding:12px 16px;width:100%;font-size:15px}
  .menu-toggle{display:flex}
  .nav-cta .btn-ghost{display:none}
}
@media(max-width:640px){
  section{padding:56px 0}
  .hero{padding:56px 0 64px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .stat-card{padding:18px 16px;box-shadow:4px 4px 0 rgba(28,28,40,.9)}
  .form-card{padding:22px}
  .compare-score{flex-direction:column;text-align:center;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .about-visual{grid-template-columns:1fr}
  .about-visual .tall{grid-row:auto}
  .nav-cta .btn-primary{padding:8px 14px;font-size:13px}
  .back-top{right:16px;bottom:88px;width:42px;height:42px}
  .float-kefu{right:16px;bottom:16px}
  .kefu-btn{width:52px;height:52px;font-size:21px}
}