:root{
  --orange:#ff5c1a;
  --orange-deep:#e04400;
  --orange-soft:#fff1e8;
  --orange-line:#ffd9c2;
  --ink:#1f1409;
  --ink-2:#3d2c1c;
  --muted:#7a6754;
  --bg:#fffaf6;
  --card:#ffffff;
  --line:#f2e3d6;
  --shadow:0 14px 36px rgba(224,68,0,.10);
  --shadow-sm:0 6px 18px rgba(224,68,0,.08);
  --radius:18px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:
    radial-gradient(1100px 520px at 12% -8%,#ffe7d6 0%,transparent 60%),
    radial-gradient(900px 480px at 92% 4%,#ffeede 0%,transparent 55%),
    linear-gradient(180deg,#fffaf6 0%,#fff6ee 45%,#fffaf6 100%);
  color:var(--ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
}
h1,h2,h3,h4{line-height:1.28;font-weight:800;letter-spacing:.2px;color:var(--ink)}
h2{font-size:30px;margin-bottom:12px}
h3{font-size:18px}
p{color:var(--ink-2)}
.section{padding:64px 0}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--orange-soft);
  border:1px solid var(--orange-line);
  color:var(--orange-deep);
  font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.lead{font-size:16px;color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;
  font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#ff7a34,#ff4d0a);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,77,10,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,77,10,.38)}
.btn-ghost{
  background:#fff;color:var(--orange-deep);
  border-color:var(--orange-line);
  box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{transform:translateY(-2px);background:var(--orange-soft)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:#000}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,250,246,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:auto;max-height:38px}
.brand-name{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.5px}
.nav-wrap{display:flex;align-items:center;gap:18px}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links a{
  display:block;padding:9px 12px;border-radius:9px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--orange-deep);background:var(--orange-soft)}
.header-cta{display:flex;align-items:center;gap:10px}
.header-cta .btn{padding:10px 18px;font-size:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:11px;
  background:#fff;border:1px solid var(--orange-line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--orange-deep);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 70px;
  background:
    radial-gradient(700px 380px at 80% 10%,rgba(255,143,84,.30),transparent 65%),
    radial-gradient(600px 380px at 8% 90%,rgba(255,196,150,.35),transparent 60%),
    linear-gradient(180deg,#fff8f2 0%,#fff3e9 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:44px;align-items:center;
}
.hero h1{
  font-size:46px;line-height:1.18;letter-spacing:.5px;
  margin-bottom:18px;
}
.hero h1 .hl{
  color:var(--orange-deep);
  position:relative;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;
  background:rgba(255,92,26,.18);border-radius:6px;z-index:-1;
}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{
  font-size:13px;font-weight:600;color:var(--orange-deep);
  background:#fff;border:1px solid var(--orange-line);
  padding:6px 13px;border-radius:999px;
  box-shadow:0 3px 10px rgba(224,68,0,.06);
}
.hero-visual{
  position:relative;
  border-radius:24px;
  padding:26px;
  background:linear-gradient(150deg,#ffffff,#fff4eb);
  border:1px solid var(--orange-line);
  box-shadow:0 24px 50px rgba(224,68,0,.14);
}
.hero-visual::before{
  content:"";position:absolute;inset:auto -18px -18px auto;
  width:140px;height:140px;border-radius:36px;
  background:linear-gradient(135deg,rgba(255,122,52,.28),rgba(255,196,150,.12));
  z-index:-1;
}
.hv-title{font-size:14px;font-weight:800;color:var(--orange-deep);letter-spacing:1px;margin-bottom:16px}
.hv-list{display:grid;gap:12px}
.hv-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:13px;
  padding:13px 15px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.hv-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.hv-item strong{font-size:14px;color:var(--ink);display:block}
.hv-item small{font-size:12px;color:var(--muted)}
.hv-dot{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,#ff8a4c,#ff5c1a);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;
}

/* ---------- Metrics ---------- */
.metrics{margin-top:-34px;position:relative;z-index:20}
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:24px;box-shadow:var(--shadow);
}
.metric{text-align:center;padding:8px 6px;border-right:1px solid var(--line)}
.metric:last-child{border-right:none}
.metric-num{font-size:30px;font-weight:900;color:var(--orange-deep);line-height:1.2}
.metric-label{font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- Cards generic ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--orange-line)}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.icon-box{
  width:46px;height:46px;border-radius:13px;
  background:linear-gradient(135deg,#fff0e4,#ffe0cb);
  color:var(--orange-deep);font-weight:900;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}

/* ---------- About / platform intro ---------- */
.about-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;
}
.about-panel{
  background:linear-gradient(160deg,#fff,#fff6ef);
  border:1px solid var(--orange-line);
  border-radius:22px;padding:30px;box-shadow:var(--shadow-sm);
}
.about-panel h3{margin-bottom:14px}
.about-list{list-style:none;display:grid;gap:12px;margin-top:6px}
.about-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);
}
.about-list li::before{
  content:"✦";color:var(--orange);font-size:14px;flex-shrink:0;line-height:1.7;
}
.about-side{display:grid;gap:16px}
.about-mini{
  background:#fff;border:1px solid var(--line);border-radius:15px;
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease;
}
.about-mini:hover{transform:translateY(-3px)}
.about-mini strong{display:block;font-size:15px;color:var(--orange-deep);margin-bottom:6px}

/* ---------- Service capabilities ---------- */
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;transition:transform .22s ease,box-shadow .22s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.service-card .tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--orange-deep);
  background:var(--orange-soft);border:1px solid var(--orange-line);
  padding:3px 10px;border-radius:999px;margin-bottom:10px;
}
.service-card p{font-size:14px;color:var(--muted)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:26px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  position:absolute;top:16px;right:18px;
  font-size:26px;font-weight:900;color:#ffe2d1;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted)}

/* ---------- Industry ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.industry{
  border:1px solid var(--line);border-radius:15px;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:8px;
  transition:background .2s,transform .2s;
}
.industry:hover{background:var(--orange-soft);transform:translateY(-3px)}
.industry strong{font-size:15px}
.industry span{font-size:13px;color:var(--muted)}

/* ---------- Network ---------- */
.network-panel{
  background:linear-gradient(150deg,#1f1409,#3d2614);
  color:#ffeadb;border-radius:22px;padding:38px;
  box-shadow:0 20px 44px rgba(31,20,9,.25);
}
.network-panel h2{color:#fff}
.network-panel .lead{color:#ffc9a6}
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.network-item{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,180,130,.25);
  border-radius:13px;padding:16px;
  transition:background .2s,transform .2s;
}
.network-item:hover{background:rgba(255,255,255,.13);transform:translateY(-3px)}
.network-item strong{display:block;color:#fff;font-size:14.5px;margin-bottom:4px}
.network-item span{font-size:12.5px;color:#ffc9a6}

/* ---------- Compare table ---------- */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.compare-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:680px}
table.compare th,table.compare td{
  padding:15px 18px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  background:linear-gradient(135deg,#fff2e8,#ffe6d6);
  color:var(--ink);font-weight:800;font-size:14px;
}
table.compare tbody tr:hover{background:#fffaf5}
table.compare td:first-child{font-weight:700;color:var(--ink)}
.yes{color:#0d8a4f;font-weight:800}
.no{color:#b1673a}
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;padding:24px 26px;background:linear-gradient(120deg,#fff5ee,#ffe8d7);
  border:1px solid var(--orange-line);border-radius:18px;margin-bottom:22px;
}
.score-main{display:flex;align-items:baseline;gap:10px}
.score-main .num{font-size:44px;font-weight:900;color:var(--orange-deep);line-height:1}
.score-main .full{font-size:15px;color:var(--muted);font-weight:700}
.stars{color:#ff851b;font-size:20px;letter-spacing:3px}
.score-desc{font-size:14px;color:var(--ink-2);max-width:620px}

/* ---------- Token price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s,box-shadow .22s;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.price-card.featured{border-color:var(--orange);box-shadow:0 18px 42px rgba(255,92,26,.18)}
.price-card.featured::after{
  content:"推荐";position:absolute;top:-12px;right:20px;
  background:linear-gradient(135deg,#ff7a34,#ff4d0a);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
}
.price-name{font-size:14px;font-weight:800;color:var(--orange-deep);margin-bottom:8px}
.price-value{font-size:30px;font-weight:900;color:var(--ink);line-height:1.2}
.price-value small{font-size:13px;color:var(--muted);font-weight:600}
.price-list{list-style:none;margin:16px 0 20px;display:grid;gap:9px}
.price-list li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px}
.price-list li::before{content:"✓";color:var(--orange);font-weight:800}

/* ---------- Reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s,box-shadow .22s;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.review-stars{color:#ff851b;font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--ink-2);flex:1}
.review-user{display:flex;align-items:center;gap:10px;padding-top:12px;border-top:1px dashed var(--line)}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#ff8a4c,#ff5c1a);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px;
}
.review-user strong{display:block;font-size:13.5px}
.review-user span{font-size:12px;color:var(--muted)}

/* ---------- Case ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#fff3e8}
.case-media img{width:100%;height:100%;object-fit:contain;transition:transform .4s ease}
.case:hover .case-media img{transform:scale(1.04)}
.case-body{padding:18px 20px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--muted)}

/* ---------- Articles ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article{
  background:#fff;border:1px solid var(--line);border-radius:15px;
  padding:20px;display:flex;flex-direction:column;gap:8px;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.article:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange-line)}
.article span{font-size:12px;color:var(--orange-deep);font-weight:700}
.article strong{font-size:15px;color:var(--ink)}
.article p{font-size:13.5px;color:var(--muted);flex:1}
.article-link{font-size:13px;font-weight:700;color:var(--orange-deep);margin-top:6px;display:inline-flex;gap:5px;align-items:center}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start;
}
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#fffaf6;
  font-size:14px;color:var(--ink);font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;
  box-shadow:0 0 0 3px rgba(255,92,26,.12);
}
.field textarea{resize:vertical;min-height:110px}
.form-submit{margin-top:6px;width:100%}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.contact-list{display:grid;gap:14px;margin-top:22px}
.contact-item{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px;
}
.contact-item .ci-icon{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:var(--orange-soft);color:var(--orange-deep);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px;
}
.contact-item strong{display:block;font-size:14px;margin-bottom:2px}
.contact-item span,.contact-item a{font-size:13.5px;color:var(--muted);word-break:break-all}
.contact-item a:hover{color:var(--orange-deep)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:box-shadow .2s,border-color .2s;
}
.faq-item.open{border-color:var(--orange-line);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-family:inherit;
}
.faq-q::after{
  content:"+";font-size:20px;font-weight:700;color:var(--orange-deep);
  transition:transform .25s ease;flex-shrink:0;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{font-size:14px;color:var(--muted);padding-bottom:18px}

/* ---------- Footer ---------- */
.site-footer{
  background:#241708;color:#f3e2d3;
  border-top:1px solid #3a2916;
  padding:52px 0 22px;margin-top:20px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;
}
.footer-brand img{max-height:38px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:#d8bfa7;line-height:1.8}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a,.footer-col span{font-size:13px;color:#d8bfa7;transition:color .2s}
.footer-col a:hover{color:#ff8a4c}
.qq-group{font-size:13px;color:#d8bfa7;line-height:1.9}
.qq-group strong{color:#ffb98c}
.footer-links{
  margin-top:34px;padding-top:22px;border-top:1px solid #3a2916;
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;
}
.footer-links span{font-size:13px;color:#bfa285;font-weight:700}
.footer-links a{font-size:13px;color:#d8bfa7}
.footer-links a:hover{color:#ff8a4c}
.footer-bottom{
  margin-top:20px;padding-top:18px;border-top:1px solid #3a2916;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#bfa285;
}
.footer-bottom a{color:#ffb98c}

/* ---------- Floating ---------- */
.float-bar{
  position:fixed;right:18px;bottom:22px;z-index:200;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-btn{
  width:50px;height:50px;border-radius:14px;border:none;cursor:pointer;
  background:#fff;color:var(--orange-deep);
  box-shadow:0 10px 24px rgba(224,68,0,.22);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
  transition:transform .2s,background .2s,color .2s;
}
.float-btn:hover{transform:translateY(-3px);background:var(--orange);color:#fff}
.float-btn svg{width:22px;height:22px}
.to-top{opacity:0;visibility:hidden;transition:.25s}
.to-top.show{opacity:1;visibility:visible}
.kefu-pop{
  position:fixed;right:80px;bottom:22px;z-index:200;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 20px 44px rgba(0,0,0,.16);
  width:220px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.25s;
}
.kefu-pop.show{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-pop h4{font-size:14px;margin-bottom:10px;color:var(--ink)}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px}
.kefu-pop p{font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero h1{font-size:38px}
  .grid-3,.industry-grid,.review-grid,.case-grid,.article-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:6px}
  .metric{border-right:none;border-bottom:1px solid var(--line);padding:14px 6px}
  .metric:nth-last-child(-n+2){border-bottom:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .network-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .header-cta .btn-ghost{display:none}
  .mobile-nav{
    display:none;background:#fff;border-bottom:1px solid var(--line);
    padding:12px 0 18px;
  }
  .mobile-nav.show{display:block;animation:slideDown .25s ease}
  .mobile-nav ul{list-style:none;display:grid;gap:2px}
  .mobile-nav a{
    display:block;padding:11px 6px;font-size:14.5px;font-weight:600;color:var(--ink-2);
    border-radius:8px;
  }
  .mobile-nav a:hover{background:var(--orange-soft);color:var(--orange-deep)}
  .mobile-nav .m-cta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
  .mobile-nav .m-cta .btn{flex:1}
  @keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
}
@media (max-width:820px){
  .hero-grid,.about-wrap,.form-wrap{grid-template-columns:1fr}
  .hero{padding:52px 0 56px}
  .hero h1{font-size:32px}
  .metrics{margin-top:0;padding-top:26px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  h2{font-size:25px}
  .section{padding:48px 0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .grid-3,.grid-2,.industry-grid,.review-grid,.case-grid,.article-grid,.price-grid,.steps,.network-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .score-card{flex-direction:column;align-items:flex-start}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metric-grid{grid-template-columns:1fr 1fr}
  .metric:nth-last-child(-n+2){border-bottom:none}
  .float-bar{right:12px;bottom:16px}
  .kefu-pop{right:12px;bottom:130px;width:calc(100vw - 24px);max-width:240px}
  .network-panel{padding:26px 20px}
  .about-panel,.form-panel{padding:22px}
}