:root{
  --ink:#0a2a2f;
  --ink-2:#143f46;
  --body:#4a646c;
  --line:rgba(13,148,136,.16);
  --teal:#0d9488;
  --teal-d:#0b7c72;
  --cyan:#0891b2;
  --mint:#f0fbf9;
  --radius:16px;
  --shadow:0 14px 32px rgba(13,148,136,.12);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background-color:#f3fbfa;
  background-image:
    radial-gradient(900px 620px at 8% 4%, rgba(34,211,238,.20), transparent 62%),
    radial-gradient(760px 560px at 94% 22%, rgba(13,148,136,.16), transparent 60%),
    radial-gradient(880px 640px at 46% 92%, rgba(56,189,248,.13), transparent 62%),
    linear-gradient(180deg,#f2fbfa 0%,#f8fdfc 46%,#eef9f8 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;letter-spacing:-.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--teal-d);}
section[id]{scroll-margin-top:84px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;min-height:68px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.ai-page-logo{max-height:36px;width:auto;display:block;}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.nav-links{
  display:none;gap:0;align-items:center;flex-wrap:wrap;
}
.nav-links a{
  display:block;padding:8px 11px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--teal-d);background:rgba(13,148,136,.09);}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;padding:0;border:1px solid var(--line);border-radius:11px;
  background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;border-radius:2px;background:var(--ink-2);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-cta{display:none;}
.nav-links.is-open{
  display:flex;flex-direction:column;align-items:stretch;
  position:absolute;left:0;right:0;top:100%;
  padding:10px 16px 18px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 30px rgba(9,60,60,.10);
}
.nav-links.is-open a{padding:11px 8px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease,background-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#0d9488 0%,#0891b2 100%);
  color:#fff;box-shadow:0 12px 26px rgba(13,148,136,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(13,148,136,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.92);color:var(--ink);border-color:rgba(13,148,136,.30);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--teal);box-shadow:0 12px 24px rgba(13,148,136,.14);}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 56px;}
.hero::before{
  content:"";position:absolute;left:-12%;right:-12%;top:-180px;height:600px;
  background:
    radial-gradient(420px 300px at 28% 52%, rgba(34,211,238,.24), transparent 70%),
    radial-gradient(400px 280px at 76% 34%, rgba(13,148,136,.20), transparent 70%);
  pointer-events:none;z-index:0;
}
.hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;}
.eyebrow{
  display:inline-block;margin:0 0 14px;padding:6px 16px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.10em;color:var(--teal-d);
  background:rgba(13,148,136,.09);border:1px solid rgba(13,148,136,.20);
}
.hero h1{
  margin:0 0 18px;font-size:clamp(30px,5.2vw,50px);font-weight:800;
  color:var(--ink);line-height:1.24;max-width:900px;
}
.hero-lead{
  max-width:760px;margin:0 0 28px;font-size:clamp(15px,1.7vw,17px);
  color:#3f5c64;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.metrics{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  width:100%;margin-top:44px;
}
.metric{
  padding:18px 20px;border-radius:16px;text-align:left;
  background:rgba(255,255,255,.80);border:1px solid var(--line);
  box-shadow:0 10px 24px rgba(13,148,136,.08);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 18px 30px rgba(13,148,136,.15);}
.metric strong{display:block;font-size:clamp(20px,2.4vw,26px);color:var(--teal-d);font-weight:800;line-height:1.2;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:#55727a;}

/* ---------- 通用区块 ---------- */
.section{padding:60px 0;}
.section-head{max-width:760px;margin:0 0 30px;}
.section-head h2{margin:0 0 12px;font-size:clamp(23px,3.2vw,32px);font-weight:800;}
.section-head p{margin:0;font-size:15.5px;color:var(--body);}

/* ---------- 关于我们 ---------- */
.split{display:grid;gap:28px;align-items:start;}
.split-text p{font-size:15.5px;color:#43606a;}
.media-frame{
  margin:0;border-radius:18px;overflow:hidden;
  border:1px solid rgba(13,148,136,.20);
  background:linear-gradient(140deg,#e9f9f6,#ddf2f5);
  box-shadow:var(--shadow);
}
.media-frame img{display:block;width:100%;height:auto;}
.feature-grid{display:grid;gap:16px;grid-template-columns:1fr;margin:34px 0 0;padding:0;list-style:none;}
.feature{
  padding:20px;border-radius:16px;background:#fff;
  border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(13,148,136,.13);border-color:rgba(13,148,136,.35);}
.feature h3{margin:0 0 8px;font-size:17px;}
.feature p{margin:0;font-size:14.5px;color:#51707a;}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.card{
  position:relative;overflow:hidden;padding:22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#0d9488,#22d3ee);
  opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(13,148,136,.15);border-color:rgba(13,148,136,.35);}
.card:hover::before{opacity:1;}
.card h3{margin:0 0 10px;font-size:18px;}
.card p{margin:0;font-size:14.5px;color:#51707a;}

.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.tag{
  font-size:13px;line-height:1.5;padding:6px 13px;border-radius:999px;
  color:var(--teal-d);background:rgba(13,148,136,.08);border:1px solid rgba(13,148,136,.18);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{background:rgba(13,148,136,.16);transform:translateY(-2px);}
.sub-title{margin:34px 0 12px;font-size:15px;font-weight:700;color:var(--ink-2);}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;gap:16px;grid-template-columns:1fr;
  margin:0;padding:0;list-style:none;counter-reset:step;
}
.step{
  padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(13,148,136,.13);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;margin-bottom:10px;font-size:13px;font-weight:800;
  letter-spacing:.14em;color:var(--teal);
}
.step h3{margin:0 0 8px;font-size:17px;}
.step p{margin:0;font-size:14.5px;color:#51707a;}

/* ---------- 行业方案 ---------- */
.tile-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.tile{
  padding:20px 20px 20px 22px;border-radius:14px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-left:4px solid rgba(13,148,136,.55);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tile:hover{transform:translateX(4px);border-left-color:var(--cyan);box-shadow:0 14px 28px rgba(13,148,136,.13);}
.tile h3{margin:0 0 6px;font-size:16.5px;}
.tile p{margin:0;font-size:14px;color:#51707a;}

/* ---------- 服务网络 ---------- */
.network-grid{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));}
.network-item{
  display:flex;align-items:center;gap:10px;
  padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:transform .22s ease,box-shadow .22s ease;
}
.network-item:hover{transform:translateY(-3px);box-shadow:0 14px 26px rgba(13,148,136,.13);}
.dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto;background:linear-gradient(135deg,#0d9488,#22d3ee);}

/* ---------- 案例 ---------- */
.case-grid{display:grid;gap:18px;grid-template-columns:1fr;align-items:start;}
.case{
  border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(13,148,136,.16);}
.case .media-frame{border:none;border-radius:0;box-shadow:none;}
.case figcaption{padding:16px 18px 18px;}
.case h3{margin:0 0 6px;font-size:16.5px;}
.case p{margin:0;font-size:14px;color:#51707a;}

/* ---------- 用户评论 ---------- */
.review-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.review{
  display:flex;flex-direction:column;gap:14px;
  padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(13,148,136,.13);}
.review p{margin:0;font-size:14.5px;color:#4a646c;}
.who{display:flex;align-items:center;gap:11px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#0d9488,#0891b2);
}
.who strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.4;}
.who span{display:block;font-size:13px;color:#6a8791;}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:16px;background:#fff;
  box-shadow:0 10px 24px rgba(13,148,136,.07);
}
table{width:100%;min-width:660px;border-collapse:collapse;font-size:14.5px;}
thead th{
  padding:14px 16px;text-align:left;white-space:nowrap;
  background:linear-gradient(135deg,#e8f9f6,#e2f4f8);
  color:var(--ink);font-weight:700;font-size:14.5px;
  border-bottom:1px solid rgba(13,148,136,.18);
}
tbody td{padding:14px 16px;border-bottom:1px solid #eef6f6;color:#4a646c;vertical-align:top;}
tbody td:first-child{font-weight:600;color:var(--ink-2);white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#f7fdfc;}

/* ---------- 评测卡 ---------- */
.rating-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:26px 28px;margin-bottom:22px;border-radius:18px;
  background:linear-gradient(135deg,#0d9488 0%,#0891b2 100%);
  color:#fff;box-shadow:0 18px 34px rgba(13,148,136,.28);
}
.rating-card h3{margin:0 0 8px;font-size:clamp(19px,2.4vw,23px);color:#fff;}
.rating-card p{margin:0;font-size:14.5px;color:rgba(255,255,255,.92);}
.rating-score{text-align:right;flex:0 0 auto;}
.rating-score .num{display:block;font-size:clamp(32px,5vw,44px);font-weight:800;line-height:1.1;color:#fff;}
.rating-score .num small{font-size:16px;font-weight:600;color:rgba(255,255,255,.85);}
.stars{display:block;margin-top:4px;font-size:16px;letter-spacing:.16em;color:#ffd76a;}
.rating-score .label{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.9);}

/* ---------- 表单 ---------- */
.form-layout{display:grid;gap:26px;align-items:start;}
.form-card{
  padding:26px;border-radius:18px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.field label{display:block;margin-bottom:7px;font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid #d6eaea;background:#fbfefe;
  font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(13,148,136,.15);
}
.form-submit{width:100%;margin-top:20px;}
.form-note{margin-top:14px;font-size:13px;color:#6a8791;}

/* ---------- 帮助/AI百科 ---------- */
.mini-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.mini{
  padding:20px;border-radius:14px;background:#fff;border:1px solid var(--line);
  transition:transform .22s ease,box-shadow .22s ease;
}
.mini:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(13,148,136,.12);}
.mini h3{margin:0 0 6px;font-size:16px;}
.mini p{margin:0;font-size:14px;color:#51707a;}

/* ---------- 文章 ---------- */
.articles-panel{
  padding:24px;border-radius:18px;background:#fff;
  border:1px solid var(--line);box-shadow:0 10px 24px rgba(13,148,136,.07);
  font-size:15px;color:var(--body);
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item:hover{border-color:rgba(13,148,136,.35);}
.faq-item.is-open{border-color:rgba(13,148,136,.45);box-shadow:0 14px 28px rgba(13,148,136,.11);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border:0;background:none;cursor:pointer;
  font-family:inherit;font-size:15.5px;font-weight:600;color:var(--ink);text-align:left;
}
.chev{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(45deg);transition:transform .25s ease;margin-top:-4px;}
.faq-item.is-open .chev{transform:rotate(-135deg);margin-top:2px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 20px 18px;margin:0;font-size:14.5px;color:#51707a;}

/* ---------- 加盟 ---------- */
.join-layout{display:grid;gap:24px;align-items:start;}
.join-card{
  padding:26px;border-radius:18px;
  background:linear-gradient(150deg,#ffffff 0%,#effbf9 100%);
  border:1px solid rgba(13,148,136,.22);box-shadow:var(--shadow);
}
.join-list{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
.join-list li{position:relative;padding-left:20px;font-size:14.5px;color:#4a646c;}
.join-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,#0d9488,#22d3ee);
}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;gap:24px;align-items:start;}
.contact-list{display:grid;gap:12px;margin:0;padding:0;list-style:none;}
.contact-list li{
  display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;
  padding:14px 18px;border-radius:13px;background:#fff;border:1px solid var(--line);
  font-size:14.5px;
}
.contact-list li strong{color:var(--ink);font-weight:700;flex:0 0 auto;}
.contact-list li span{color:#4a646c;word-break:break-all;}
.qr-card{
  padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);text-align:center;
}
.qr-card img{display:block;width:100%;max-width:220px;height:auto;margin:0 auto 12px;border-radius:12px;}
.qr-card p{margin:0;font-size:13.5px;color:#51707a;}

/* ---------- 友链 ---------- */
.links-panel{
  padding:24px;border-radius:18px;background:rgba(255,255,255,.82);
  border:1px solid var(--line);
}
.links-list{display:flex;flex-wrap:wrap;gap:10px;}
.links-list a{
  padding:7px 14px;border-radius:999px;font-size:13.5px;text-decoration:none;
  color:var(--ink-2);background:#fff;border:1px solid rgba(13,148,136,.20);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.links-list a:hover{color:var(--teal-d);border-color:var(--teal);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;padding:44px 0 24px;
  background:linear-gradient(180deg,#eefaf8 0%,#e5f6f5 100%);
  border-top:1px solid rgba(13,148,136,.20);
  color:#3f5c64;
}
.footer-top{display:grid;gap:26px;grid-template-columns:1fr;}
.footer-brand{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.footer-brand .brand-name{font-size:18px;}
.footer-brand p{margin:0;font-size:14px;color:#4a646c;}
.footer-col h4{margin:0 0 12px;font-size:15px;color:var(--ink);}
.footer-col a,.footer-col p{
  display:block;margin:0 0 8px;font-size:14px;color:#476a72;text-decoration:none;
}
.footer-col a:hover{color:var(--teal-d);}
.footer-bottom{
  margin-top:28px;padding-top:18px;
  border-top:1px solid rgba(13,148,136,.18);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:#52737c;
}
.footer-bottom a{color:#3f7a74;text-decoration:none;}
.footer-bottom a:hover{color:var(--teal-d);}

/* ---------- 浮动操作 ---------- */
.float-actions{
  position:fixed;right:16px;bottom:20px;z-index:70;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  display:grid;place-items:center;
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(13,148,136,.28);
  background:#fff;color:var(--teal-d);font-size:13px;font-weight:700;
  text-decoration:none;cursor:pointer;
  box-shadow:0 10px 22px rgba(13,148,136,.20);
  transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease,visibility .22s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 28px rgba(13,148,136,.26);}
.float-btn.primary{background:linear-gradient(135deg,#0d9488,#0891b2);color:#fff;border-color:transparent;}
.float-top{opacity:0;visibility:hidden;transform:translateY(8px);}
.float-top.show{opacity:1;visibility:visible;transform:none;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@keyframes heroIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.hero-inner > *{animation:heroIn .7s ease both;}
.hero-inner > *:nth-child(2){animation-delay:.08s;}
.hero-inner > *:nth-child(3){animation-delay:.16s;}
.hero-inner > *:nth-child(4){animation-delay:.24s;}
.hero-inner > *:nth-child(5){animation-delay:.32s;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-inner > *{animation:none;}
  .card:hover,.feature:hover,.step:hover,.tile:hover,.mini:hover,.review:hover,.case:hover,.metric:hover,.network-item:hover{transform:none;}
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid .span-2{grid-column:1 / -1;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .minor-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:700px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media (min-width:900px){
  .nav-toggle{display:none;}
  .nav-cta{display:inline-flex;padding:10px 20px;}
  .nav-links{display:flex;}
  .split{grid-template-columns:1.15fr .85fr;gap:36px;}
  .feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));}
  .network-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .case-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .review-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .form-layout{grid-template-columns:1.1fr .9fr;gap:32px;}
  .join-layout{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1.2fr .8fr;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (min-width:1000px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .mini-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media (max-width:899px){
  .brand-name{font-size:16px;}
}