:root{
  --mint:#12b886;
  --mint-dark:#0e9470;
  --mint-light:#e7f8f1;
  --mint-soft:#f2fbf8;
  --ink:#0f2b26;
  --ink-2:#2a4741;
  --gray:#5f7a74;
  --line:#d6ece5;
  --bg:#ffffff;
  --shadow:0 10px 30px rgba(18,184,134,.10);
  --shadow-lg:0 20px 50px rgba(18,184,134,.18);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--mint-dark);background:var(--mint-light);padding:6px 16px;border-radius:999px;margin-bottom:16px}
h2{font-size:34px;font-weight:800;letter-spacing:.5px;color:var(--ink);line-height:1.3}
.section-head p{color:var(--gray);font-size:16px;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--mint),#0ca678);color:#fff;box-shadow:0 8px 22px rgba(18,184,134,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(18,184,134,.45)}
.btn-ghost{background:#fff;color:var(--mint-dark);border:2px solid var(--mint)}
.btn-ghost:hover{background:var(--mint-light);transform:translateY(-3px)}
.btn:active{transform:translateY(0) scale(.98)}
/* 顶部导航 */
header.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand .ai-page-logo{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links li a{display:block;padding:8px 12px;font-size:14.5px;color:var(--ink-2);border-radius:8px;transition:color .2s,background .2s}
.nav-links li a:hover{color:var(--mint-dark);background:var(--mint-light)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
/* Hero 首屏（无图片） */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#e9f9f2 0%,#f5fdfa 45%,#ffffff 100%);padding:96px 0 90px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;z-index:0}
.hero::before{width:480px;height:480px;background:#a7f3d6;top:-160px;right:-120px}
.hero::after{width:380px;height:380px;background:#c7f0e2;bottom:-180px;left:-120px}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero h1{font-size:46px;font-weight:900;line-height:1.25;letter-spacing:.5px;color:var(--ink);margin-bottom:20px}
.hero h1 .hl{color:var(--mint-dark);background:linear-gradient(180deg,transparent 62%,#bdf3df 62%)}
.hero .sub{font-size:17.5px;color:var(--gray);margin-bottom:30px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:28px;font-weight:900;color:var(--mint-dark);line-height:1.1}
.hero-stats .stat span{font-size:13.5px;color:var(--gray)}
.hero-panel{background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:24px;padding:34px 30px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px)}
.hero-panel h3{font-size:18px;margin-bottom:20px;color:var(--ink)}
.hero-panel .bar{margin-bottom:16px}
.hero-panel .bar .lbl{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-2);margin-bottom:8px}
.hero-panel .bar .track{height:10px;background:var(--mint-light);border-radius:999px;overflow:hidden}
.hero-panel .bar .fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--mint),#0ca678);width:0;transition:width 1.4s ease}
.hero-panel .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-panel .mini-tags span{font-size:12.5px;background:var(--mint-light);color:var(--mint-dark);padding:5px 12px;border-radius:999px;font-weight:600}
/* 数据指标卡片 */
.metrics{background:var(--mint-soft);padding:0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;transform:translateY(-0);margin-top:-0;padding:60px 0}
.metric-card{background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.metric-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.metric-card b{display:block;font-size:38px;font-weight:900;color:var(--mint-dark);line-height:1.1}
.metric-card span{color:var(--gray);font-size:14.5px}
/* 通用卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#b9ecd9}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--mint-dark)}
.card h3{font-size:18.5px;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--gray);font-size:14.5px}
.tag{display:inline-block;font-size:12.5px;background:var(--mint-light);color:var(--mint-dark);padding:4px 12px;border-radius:999px;margin:4px 6px 0 0;font-weight:600}
/* 关于我们 */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-visual{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
.about-visual img{width:100%;height:100%;object-fit:cover}
.about-copy h2{margin-bottom:20px}
.about-copy p{color:var(--gray);margin-bottom:16px;font-size:15.5px}
.about-list{list-style:none;margin-top:20px}
.about-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;color:var(--ink-2);font-size:15px}
.about-list li::before{content:"";flex:0 0 22px;height:22px;border-radius:50%;background:var(--mint-light);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2312b886' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/>");background-repeat:no-repeat;background-position:center;margin-top:3px}
/* 服务能力 */
.services{background:var(--mint-soft)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
/* 一站式制作 素材 */
.material{background:var(--bg)}
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mat-item{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff;transition:transform .3s,box-shadow .3s}
.mat-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.mat-item img{width:100%;aspect-ratio:4/3;object-fit:cover}
.mat-item .cap{padding:18px 20px}
.mat-item .cap h4{font-size:16px;margin-bottom:6px}
.mat-item .cap p{font-size:13.5px;color:var(--gray)}
.square-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:24px}
.square-item{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.square-item img{width:100%;aspect-ratio:1/1;object-fit:cover}
/* 行业方案 时间线/流程 */
.process{background:var(--mint-soft)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{background:#fff;border-radius:var(--radius);padding:30px 24px;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step .num{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--mint),#0ca678);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h4{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--gray)}
/* 服务网络 */
.network{background:var(--bg)}
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-card{background:linear-gradient(160deg,var(--mint-light),#fff);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:transform .3s,box-shadow .3s}
.net-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.net-card b{display:block;font-size:17px;margin-bottom:8px;color:var(--ink)}
.net-card span{font-size:13.5px;color:var(--gray)}
/* 对比表格 */
.compare{background:var(--mint-soft)}
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
table.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.compare-table thead th{background:linear-gradient(135deg,var(--mint),#0ca678);color:#fff;font-weight:700;font-size:15px}
.compare-table tbody tr:hover{background:var(--mint-soft)}
.compare-table td:first-child{font-weight:600;color:var(--ink)}
.badge-yes{color:var(--mint-dark);font-weight:700}
.rating-card{display:flex;flex-wrap:wrap;gap:40px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;margin-top:32px;box-shadow:var(--shadow)}
.rating-score{text-align:center}
.rating-score b{font-size:64px;font-weight:900;color:var(--mint-dark);line-height:1}
.rating-score b small{font-size:22px;color:var(--gray);font-weight:600}
.rating-score .stars{color:#f5a623;font-size:22px;letter-spacing:3px;margin-top:8px}
.rating-desc{flex:1;min-width:260px}
.rating-desc h3{font-size:22px;margin-bottom:10px}
.rating-desc p{color:var(--gray);font-size:15px}
/* Token比价 */
.token{background:var(--bg)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.featured{border:2px solid var(--mint);position:relative}
.price-card.featured::before{content:"推荐";position:absolute;top:-14px;right:22px;background:var(--mint);color:#fff;font-size:12.5px;padding:4px 14px;border-radius:999px;font-weight:600}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-card .price{font-size:34px;font-weight:900;color:var(--mint-dark);margin:14px 0}
.price-card .price small{font-size:14px;color:var(--gray);font-weight:500}
.price-card ul{list-style:none;margin:16px 0 24px}
.price-card ul li{font-size:14px;color:var(--ink-2);padding:6px 0;display:flex;gap:8px}
.price-card ul li::before{content:"✓";color:var(--mint);font-weight:700}
/* 案例 */
.cases{background:var(--mint-soft)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-card .cap{padding:22px}
.case-card .cap h3{font-size:17px;margin-bottom:8px}
.case-card .cap p{font-size:14px;color:var(--gray)}
/* 评论 */
.reviews{background:var(--bg)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;gap:16px}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.review-card .stars{color:#f5a623;font-size:16px;letter-spacing:2px}
.review-card p{font-size:14.5px;color:var(--ink-2);flex:1}
.reviewer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.reviewer .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--mint),#0ca678);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}
.reviewer b{font-size:14.5px;display:block}
.reviewer span{font-size:12.5px;color:var(--gray)}
/* 文章 / 资讯 */
.news{background:var(--mint-soft)}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s,box-shadow .3s}
.article-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.article-item .meta{font-size:12.5px;color:var(--mint-dark);font-weight:600;margin-bottom:10px}
.article-item h3{font-size:16.5px;line-height:1.5;margin-bottom:10px}
.article-item p{font-size:13.5px;color:var(--gray)}
.article-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}
.article-links a{font-size:14px;color:var(--mint-dark);background:#fff;border:1px solid var(--line);padding:8px 18px;border-radius:999px;transition:.25s}
.article-links a:hover{background:var(--mint-light);border-color:var(--mint)}
/* 加盟代理 */
.join{background:linear-gradient(160deg,#0e9470,#12b886);color:#fff;position:relative;overflow:hidden}
.join::before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.12);top:-150px;right:-100px}
.join .container{position:relative;z-index:1;text-align:center}
.join h2{color:#fff;margin-bottom:18px}
.join p{color:rgba(255,255,255,.9);font-size:16.5px;max-width:720px;margin:0 auto 30px}
.join .btn-ghost{background:#fff;border-color:#fff;color:var(--mint-dark)}
.join .btn-ghost:hover{background:#f0fdf8}
/* FAQ */
.faq{background:var(--bg)}
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;background:#fff;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q .icon{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--mint-light);color:var(--mint-dark);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform .3s}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;color:var(--gray);font-size:14.5px}
.faq-item.open .faq-a{max-height:320px;padding-bottom:22px}
/* 表单 / 联系 */
.contact{background:var(--mint-soft)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{margin-bottom:18px}
.contact-info p{color:var(--gray);margin-bottom:24px;font-size:15.5px}
.contact-items{display:grid;gap:16px;margin-bottom:26px}
.contact-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.contact-item .ico{flex-shrink:0;width:42px;height:42px;border-radius:11px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;color:var(--mint-dark)}
.contact-item b{display:block;font-size:14px;margin-bottom:2px}
.contact-item span{font-size:14px;color:var(--gray);word-break:break-all}
.qr-box{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.qr-box img{width:110px;height:110px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.qr-box b{display:block;font-size:15px;margin-bottom:6px}
.qr-box span{font-size:13.5px;color:var(--gray)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 32px;box-shadow:var(--shadow-lg)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--gray);margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-2)}
.form-group label .req{color:#e03131}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(18,184,134,.15)}
.form-group textarea{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--gray);margin-top:14px;text-align:center}
/* 友情链接 / 标签云 */
.foot-tags{background:var(--bg);padding:56px 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud span,.tag-cloud a{font-size:13.5px;color:var(--ink-2);background:var(--mint-soft);border:1px solid var(--line);padding:7px 16px;border-radius:999px;transition:.25s}
.tag-cloud a:hover{background:var(--mint-light);color:var(--mint-dark);border-color:var(--mint)}
/* 页脚 */
footer.site-footer{background:#0c2620;color:#c8ded7;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;color:#9db8b1;line-height:1.8;margin-bottom:16px}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#9db8b1;transition:color .2s}
.footer-col ul li a:hover{color:var(--mint)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#7d9a93}
.footer-bottom a{color:#9db8b1}
.footer-bottom a:hover{color:var(--mint)}
/* 浮动客服 */
.float-service{position:fixed;right:20px;bottom:80px;z-index:200;display:flex;flex-direction:column;gap:12px;align-items:center}
.float-service button{width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;background:var(--mint);color:#fff;box-shadow:0 8px 22px rgba(18,184,134,.4);display:flex;align-items:center;justify-content:center;transition:transform .25s,background .25s}
.float-service button:hover{transform:scale(1.08);background:var(--mint-dark)}
.back-top{position:fixed;right:20px;bottom:20px;z-index:200;width:54px;height:54px;border-radius:50%;background:#fff;color:var(--mint-dark);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s,box-shadow .3s}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.kefu-pop{position:fixed;right:20px;bottom:150px;z-index:201;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;align-items:center;gap:8px;width:180px}
.kefu-pop.show{display:flex}
.kefu-pop img{width:150px;height:150px;object-fit:cover;border-radius:8px}
.kefu-pop span{font-size:12.5px;color:var(--gray);text-align:center}
/* 动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}
/* 响应式 */
@media(max-width:1024px){
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .metrics-grid,.net-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.svc-grid,.mat-grid,.steps,.price-grid,.case-grid,.review-grid,.article-list{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .nav-links li a{padding:12px 16px}
  .hamburger{display:flex}
  .nav-cta .btn-ghost{display:none}
}
@media(max-width:640px){
  section{padding:56px 0}
  h2{font-size:26px}
  .hero{padding:64px 0}
  .hero h1{font-size:30px}
  .hero .sub{font-size:15.5px}
  .hero-stats{gap:24px}
  .hero-stats .stat b{font-size:24px}
  .metrics-grid,.grid-3,.svc-grid,.mat-grid,.steps,.price-grid,.case-grid,.review-grid,.article-list,.net-grid,.grid-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .rating-card{padding:28px 20px;gap:24px}
  .rating-score b{font-size:52px}
  .float-service{bottom:70px}
  .nav-cta .btn{padding:8px 14px;font-size:13px}
  .compare-table th,.compare-table td{padding:12px 14px;font-size:13.5px}
}