*,*::before,*::after{box-sizing:border-box;}
:root{
  --ink:#0d2a33;
  --ink-2:#3c626c;
  --ink-3:#71909a;
  --teal:#0f9f9a;
  --teal-d:#0a7d80;
  --cyan:#22b8cc;
  --line:rgba(15,159,154,.18);
  --card:#ffffff;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(13,86,95,.06);
  --shadow-md:0 14px 34px rgba(13,86,95,.12);
  --max:1160px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:#f4fbfb;
  background-image:
    radial-gradient(900px 520px at 90% 0%, rgba(34,184,204,.16), transparent 60%),
    radial-gradient(760px 460px at 0% 26%, rgba(15,159,154,.11), transparent 58%),
    linear-gradient(180deg,#edf9fa 0%,#f7fdfd 38%,#f1fafa 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
}
img{max-width:100%;display:block;}
a{color:var(--teal-d);}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding-left:20px;padding-right:20px;}
section[id]{scroll-margin-top:86px;}

/* ---------- 通用 ---------- */
.section{padding:64px 0;}
.section-head{max-width:740px;margin:0 auto 38px;text-align:center;}
.section-head h2{font-size:clamp(23px,3.2vw,33px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--teal-d);
  background:rgba(15,159,154,.10);border:1px solid var(--line);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#0f9f9a,#22b8cc);color:#fff;box-shadow:0 10px 24px rgba(15,159,154,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,159,154,.36);}
.btn-ghost{background:#fff;color:var(--teal-d);border-color:rgba(15,159,154,.35);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--teal);box-shadow:var(--shadow-md);}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px;}

.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.js .reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .hero-visual::before{animation:none;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,253,253,.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-logo{display:flex;align-items:center;max-width:150px;}
.brand-logo img{max-height:38px;width:auto;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{
  display:inline-block;padding:8px 13px;font-size:14.5px;color:var(--ink-2);
  text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--teal-d);background:rgba(15,159,154,.10);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;padding:0 9px;border-radius:10px;
  background:#fff;border:1px solid var(--line);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--teal-d);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mobile-only{display:none;}

/* ---------- 首屏 ---------- */
.hero{padding:52px 0 44px;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
.hero h1{font-size:clamp(29px,5.2vw,47px);margin-bottom:16px;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:var(--teal-d);}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:590px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.5px;color:var(--ink-2);}
.hero-points li{display:flex;align-items:center;gap:9px;}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(15,159,154,.14);}
.hero-visual{
  position:relative;border-radius:22px;padding:24px;overflow:hidden;
  background:linear-gradient(155deg,rgba(255,255,255,.96),rgba(228,248,250,.9));
  border:1px solid rgba(15,159,154,.24);
  box-shadow:0 22px 54px rgba(13,86,95,.13);
}
.hero-visual::before{
  content:"";position:absolute;top:-110px;right:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,184,204,.38),transparent 68%);
  animation:breathe 9s ease-in-out infinite;
}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85;}50%{transform:scale(1.16);opacity:.55;}}
.hv-head{position:relative;z-index:1;display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--teal-d);}
.hv-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 5px rgba(15,159,154,.16);}
.hv-count{margin-left:auto;font-size:12.5px;font-weight:600;color:#0a6a70;background:#fff;border:1px solid rgba(15,159,154,.28);border-radius:999px;padding:2px 11px;}
.hv-chips{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0;}
.hv-chips li{
  font-size:13px;color:#0a6a70;background:#fff;border:1px solid rgba(15,159,154,.25);
  border-radius:999px;padding:5px 12px;box-shadow:0 2px 6px rgba(13,86,95,.06);
  transition:transform .22s ease,box-shadow .22s ease,color .22s ease;
}
.hv-chips li:hover{transform:translateY(-3px);color:var(--teal-d);box-shadow:0 8px 16px rgba(15,159,154,.18);}
.hv-flow{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-2);background:rgba(15,159,154,.08);
  border:1px dashed rgba(15,159,154,.35);border-radius:12px;padding:12px 14px;
}
.hv-flow .arrow{color:var(--teal);font-weight:700;}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat-num{font-size:clamp(23px,3.2vw,30px);font-weight:700;color:var(--teal-d);line-height:1.2;letter-spacing:-.02em;}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px;}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start;}
.about-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px;}
.tick-list{display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(-45deg);border-radius:1px;
}
.about-card{
  background:linear-gradient(160deg,#ffffff,#eefafa);
  border:1px solid var(--line);border-radius:18px;padding:24px;
  box-shadow:var(--shadow-sm);
}
.about-card h3{font-size:16.5px;margin-bottom:16px;color:var(--ink);}
.about-card ul{display:grid;gap:14px;}
.about-card li strong{display:block;font-size:15px;color:var(--ink);}
.about-card li span{font-size:14px;color:var(--ink-2);}

/* ---------- 服务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.svc-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(15,159,154,.42);}
.svc-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#0f9f9a,#22b8cc);
  box-shadow:inset 0 -6px 12px rgba(255,255,255,.35),0 6px 14px rgba(15,159,154,.26);
}
.svc-card h3{font-size:16.5px;color:var(--ink);}
.svc-card p{font-size:14.5px;color:var(--ink-2);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-cloud li{
  font-size:13.5px;color:var(--teal-d);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.tag-cloud li:hover{transform:translateY(-2px);background:rgba(15,159,154,.08);box-shadow:var(--shadow-sm);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px 22px 22px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;margin-bottom:14px;
  background:rgba(15,159,154,.12);color:var(--teal-d);font-weight:700;font-size:15px;
  border:1px solid rgba(15,159,154,.25);
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 行业方案 ---------- */
.sol-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.sol-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);
  border-radius:14px;padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-left-color .3s ease;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-left-color:var(--cyan);}
.sol-card h3{font-size:16.5px;margin-bottom:8px;}
.sol-card p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 服务网络 ---------- */
.net-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.net-item{
  background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:14px;
  padding:20px;transition:background .25s ease,transform .25s ease;
}
.net-item:hover{background:#fff;transform:translateY(-3px);}
.net-item h3{font-size:15.5px;margin-bottom:6px;color:var(--ink);}
.net-item p{font-size:14px;color:var(--ink-2);}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.case-media{aspect-ratio:16/9;background:#eaf6f7;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:contain;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16px;margin-bottom:6px;}
.case-body p{font-size:14px;color:var(--ink-2);}

/* ---------- 评测 ---------- */
.compare-wrap{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
.rate-card{
  background:linear-gradient(160deg,#ffffff,#e9f8fa);
  border:1px solid rgba(15,159,154,.3);border-radius:18px;padding:26px;
  box-shadow:0 16px 38px rgba(13,86,95,.12);text-align:center;
}
.rate-score{font-size:52px;font-weight:800;color:var(--teal-d);line-height:1;letter-spacing:-.03em;}
.rate-score span{font-size:22px;font-weight:600;color:var(--ink-3);}
.rate-stars{font-size:22px;color:#f0a92b;letter-spacing:4px;margin:10px 0 6px;}
.rate-label{font-size:14px;color:var(--ink-2);}
.rate-list{margin-top:20px;display:grid;gap:10px;text-align:left;}
.rate-list li{font-size:14px;color:var(--ink-2);padding-left:22px;position:relative;}
.rate-list li::before{content:"";position:absolute;left:0;top:8px;width:13px;height:7px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg);}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px;}
thead th{
  background:rgba(15,159,154,.10);color:var(--ink);font-weight:600;text-align:left;
  padding:14px 16px;white-space:nowrap;border-bottom:1px solid var(--line);
}
tbody td{padding:13px 16px;border-bottom:1px solid rgba(15,159,154,.10);color:var(--ink-2);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:rgba(15,159,154,.045);}
td.strong{color:var(--teal-d);font-weight:600;}

/* ---------- 比价 ---------- */
.price-note{font-size:13.5px;color:var(--ink-3);margin-top:14px;}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;
  box-shadow:0 16px 38px rgba(13,86,95,.10);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#f8fdfd;border:1px solid rgba(15,159,154,.28);border-radius:11px;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#93aeb5;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(15,159,154,.12);
}
.field textarea{min-height:118px;resize:vertical;}
.form-note{font-size:13px;color:var(--ink-3);margin-top:12px;}
.form-side{display:grid;gap:16px;}
.side-card{
  background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16px;margin-bottom:10px;}
.side-card p{font-size:14.5px;color:var(--ink-2);}
.side-card ul{display:grid;gap:8px;margin-top:10px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 评论 ---------- */
.review-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f9f9a,#22b8cc);color:#fff;font-weight:700;font-size:16px;
}
.review-user strong{display:block;font-size:14.5px;color:var(--ink);}
.review-user span{font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{border-color:rgba(15,159,154,.4);box-shadow:var(--shadow-md);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 20px;font-size:15.5px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--teal);line-height:1;
  transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.news-card{
  display:block;text-decoration:none;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,159,154,.4);}
.news-card h3{font-size:16px;color:var(--ink);margin-bottom:8px;}
.news-card p{font-size:14px;color:var(--ink-2);}
.news-more{text-align:center;margin-top:26px;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
.contact-list{display:grid;gap:14px;}
.contact-item{
  display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;
  background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 18px;
  box-shadow:var(--shadow-sm);
}
.contact-item dt{font-size:13.5px;color:var(--ink-3);min-width:82px;}
.contact-item dd{margin:0;font-size:15px;color:var(--ink);font-weight:600;word-break:break-all;}
.contact-item dd a{text-decoration:none;}
.contact-item dd a:hover{text-decoration:underline;}
.qr-card{
  background:linear-gradient(160deg,#ffffff,#eaf8fa);
  border:1px solid var(--line);border-radius:18px;padding:22px;text-align:center;
  box-shadow:var(--shadow-sm);
}
.qr-card .qr-box{width:150px;margin:0 auto 12px;border-radius:12px;overflow:hidden;background:#fff;padding:8px;border:1px solid var(--line);}
.qr-card img{width:100%;height:auto;object-fit:contain;}
.qr-card p{font-size:14px;color:var(--ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;background:linear-gradient(160deg,#0b2b33,#0d3d45 60%,#0a343c);
  color:#cfe8ea;padding:48px 0 0;
}
.footer-top{display:grid;grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
.footer-brand .f-title{font-size:19px;font-weight:700;color:#ffffff;margin-bottom:10px;}
.footer-brand .f-desc{font-size:14px;color:#a9cdd2;margin-bottom:12px;max-width:360px;}
.footer-brand .f-line{font-size:14px;color:#a9cdd2;margin-bottom:6px;}
.footer-brand .f-line a{color:#7fdcd8;text-decoration:none;}
.footer-brand .f-line a:hover{text-decoration:underline;}
.footer-col h3{font-size:16px;color:#ffffff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:#a9cdd2;text-decoration:none;transition:color .2s ease;}
.footer-col a:hover{color:#7fdcd8;}
.footer-links{border-top:1px solid rgba(255,255,255,.12);padding-top:26px;padding-bottom:26px;}
.footer-links h3{font-size:15px;color:#ffffff;margin-bottom:14px;}
.link-tags{display:flex;flex-wrap:wrap;gap:10px;}
.link-tags a{
  font-size:13.5px;color:#bfe2e6;text-decoration:none;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:999px;padding:6px 14px;transition:background .22s ease,color .22s ease,transform .22s ease;
}
.link-tags a:hover{background:rgba(127,220,216,.2);color:#ffffff;transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  font-size:13.5px;color:#96bcc2;text-align:center;
}

/* ---------- 浮动入口 ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.float-btn{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f9f9a,#22b8cc);color:#fff;
  box-shadow:0 12px 26px rgba(15,159,154,.38);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(15,159,154,.46);}
.float-btn svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
#backTop{opacity:0;pointer-events:none;}
#backTop.show{opacity:1;pointer-events:auto;}
.float-panel{
  width:236px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 18px 40px rgba(13,86,95,.18);
  display:none;
}
.float-panel.open{display:block;}
.float-panel h3{font-size:15px;margin-bottom:10px;color:var(--ink);}
.float-panel p{font-size:13.5px;color:var(--ink-2);margin-bottom:7px;word-break:break-all;}
.float-panel a{color:var(--teal-d);text-decoration:none;}
.float-panel a:hover{text-decoration:underline;}

/* ---------- 响应式 ---------- */
@media (min-width:600px){
  .svc-grid,.sol-grid,.case-grid,.review-grid,.news-grid,.steps,.net-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:900px){
  .section{padding:76px 0;}
  .hero{padding:64px 0 56px;}
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:46px;}
  .about-grid{grid-template-columns:1.15fr .85fr;gap:34px;}
  .svc-grid,.case-grid,.review-grid{grid-template-columns:repeat(3,1fr);}
  .sol-grid,.news-grid,.steps,.net-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(4,1fr);}
  .compare-wrap{grid-template-columns:340px 1fr;}
  .form-grid{grid-template-columns:1.25fr .75fr;}
  .contact-grid{grid-template-columns:1.4fr .6fr;}
  .footer-top{grid-template-columns:1.4fr .8fr .8fr;}
  .net-grid{grid-template-columns:repeat(4,1fr);}
}
@media (min-width:960px){
  .nav-mobile-only{display:none !important;}
}
@media (max-width:959px){
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#ffffff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px rgba(13,86,95,.14);
    padding:8px 14px 14px;display:none;border-radius:0 0 16px 16px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 10px;font-size:15px;border-radius:10px;}
  .nav-mobile-only{display:block;margin-top:6px;}
  .nav-mobile-only a{display:block;text-align:center;background:linear-gradient(135deg,#0f9f9a,#22b8cc);color:#fff;font-weight:600;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:420px){
  .brand-name{font-size:15.5px;}
  .float-tools{right:12px;bottom:16px;}
}