:root{
  --ink:#0c2a2e;
  --ink-2:#3c5f63;
  --ink-3:#6b8a8d;
  --teal:#0f9d8b;
  --teal-dark:#0b7d70;
  --cyan:#12b7d4;
  --grad:linear-gradient(120deg,#0f9d8b 0%,#12b7d4 100%);
  --line:rgba(15,157,139,.16);
  --shadow:0 12px 32px -22px rgba(10,80,80,.55);
  --shadow-hover:0 24px 48px -26px rgba(10,80,80,.6);
  --radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background-color:#f4fbfb;
  background-image:
    radial-gradient(1000px 520px at 6% -8%, rgba(18,183,212,.20), transparent 62%),
    radial-gradient(900px 520px at 98% 2%, rgba(15,157,139,.16), transparent 60%),
    linear-gradient(180deg,#f6fdfd 0%,#eefaf9 42%,#f7fdfd 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
@media (max-width:768px){
  body{background-attachment:scroll;}
}
img{max-width:100%;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;}
p{margin:0;}
a{color:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding:38px 0;}
@media (max-width:768px){.section{padding:26px 0;}}
section[id],div[id="home"]{scroll-margin-top:86px;}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,253,253,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:66px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.brand .ai-page-logo{max-height:34px;width:auto;display:block;}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.5px;
}
.nav{display:flex;align-items:center;}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:8px 10px;
  font-size:14px;
  color:var(--ink-2);
  text-decoration:none;
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease, background-color .2s ease;
}
.nav-links a:hover{color:var(--teal-dark);background:rgba(15,157,139,.09);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  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);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .28s ease, background-color .25s ease, color .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#ffffff;
  box-shadow:0 14px 28px -16px rgba(15,157,139,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(15,157,139,1);}
.btn-ghost{
  background:rgba(255,255,255,.92);
  color:var(--teal-dark);
  border-color:rgba(15,157,139,.34);
}
.btn-ghost:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* 首屏 */
.hero{padding:52px 0 24px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:38px;
  align-items:start;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--teal-dark);
  background:rgba(15,157,139,.1);
  border:1px solid rgba(15,157,139,.2);
  padding:4px 13px;
  border-radius:999px;
  margin-bottom:14px;
}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.22;
  margin-bottom:16px;
}
.hero-lead{
  font-size:16.5px;
  color:var(--ink-2);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.hero-note{
  margin-top:16px;
  font-size:14px;
  color:var(--ink-3);
}
.hero-panel{
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  box-shadow:var(--shadow);
}
.hero-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.hero-panel-head h2{font-size:16px;color:var(--ink);}
.chip{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  padding:3px 11px;
  border-radius:999px;
  background:rgba(15,157,139,.12);
  color:var(--teal-dark);
  white-space:nowrap;
}
.hero-stats{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.hero-stat{
  background:linear-gradient(160deg,#ffffff,#f0fbfa);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 14px 12px;
}
.hero-stat strong{
  display:block;
  font-size:24px;
  line-height:1.2;
  color:var(--teal-dark);
  font-weight:700;
}
.hero-stat strong.stat-text{font-size:17px;padding-top:4px;}
.hero-stat span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--ink-3);
}
.hero-panel-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed rgba(15,157,139,.24);
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}

/* 区块标题 */
.section-head{max-width:780px;margin-bottom:26px;}
.section-head h2{
  font-size:clamp(21px,2.5vw,29px);
  line-height:1.36;
  margin-bottom:10px;
}
.section-head p{color:var(--ink-2);font-size:15.5px;}

/* 关于我们 */
.points-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(238px,1fr));
  gap:16px;
}
.point-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px 18px 18px;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
  overflow:hidden;
}
.point-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;
  height:3px;
  background:var(--grad);
  opacity:.9;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.point-card h3{font-size:16.5px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--ink-2);}
.tag-panel{
  margin-top:18px;
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
}
.tag-panel h3{
  font-size:15px;
  margin-bottom:12px;
  color:var(--ink);
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;
  font-size:13px;
  padding:5px 12px;
  border-radius:999px;
  background:#f1fbfa;
  border:1px solid rgba(15,157,139,.2);
  color:var(--teal-dark);
  transition:background-color .2s ease, transform .2s ease;
}
.tag:hover{background:#e3f7f4;transform:translateY(-2px);}

/* 服务卡片 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(248px,1fr));
  gap:16px;
}
.service-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 18px;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(15,157,139,.4);
}
.service-card h3{
  font-size:16.5px;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:8px;
}
.service-card h3::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--grad);
  flex-shrink:0;
}
.service-card p{font-size:14.5px;color:var(--ink-2);}

/* 一站式制作 */
.produce-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:14px;
}
.produce-card{
  background:linear-gradient(170deg,#ffffff 0%,#f2fbfa 100%);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 16px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.produce-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.produce-card h3{font-size:16px;margin-bottom:8px;color:var(--teal-dark);}
.produce-card p{font-size:14px;color:var(--ink-2);}

/* 行业方案 */
.solution-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:16px;
}
.solution-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--teal);
  border-radius:12px;
  padding:18px;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.solution-card h3{font-size:16px;margin-bottom:8px;}
.solution-card p{font-size:14.5px;color:var(--ink-2);}

/* 服务网络 */
.network-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:14px;
}
.network-card{
  background:rgba(255,255,255,.86);
  border:1px dashed rgba(15,157,139,.34);
  border-radius:12px;
  padding:16px 18px;
}
.network-card h3{font-size:15.5px;margin-bottom:6px;color:var(--teal-dark);}
.network-card p{font-size:14px;color:var(--ink-2);}

/* 流程 */
.steps{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:14px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px 18px 18px;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--ink-2);}

/* 案例 */
.case-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;
  align-items:start;
}
.case-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.case-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-item img{
  display:block;
  width:100%;
  border-radius:9px;
  background:#eefaf8;
}
.case-item figcaption{
  margin-top:10px;
  font-size:14px;
  color:var(--ink-2);
  text-align:center;
}

/* 评价 */
.review-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:16px;
}
.review-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px 18px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1;}
.review-user{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:12px;
  border-top:1px solid rgba(15,157,139,.12);
}
.avatar{
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  flex-shrink:0;
}
.review-user strong{display:block;font-size:14.5px;color:var(--ink);}
.review-user span{display:block;font-size:13px;color:var(--ink-3);}

/* 对比评测 */
.score-card{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:24px;
  align-items:center;
  background:linear-gradient(135deg,#ffffff 0%,#eefbf9 100%);
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:var(--shadow);
  margin-bottom:18px;
}
.score-main{
  text-align:center;
  padding:8px 22px;
  border-right:1px dashed rgba(15,157,139,.3);
}
.score-num{
  font-size:46px;
  line-height:1;
  font-weight:800;
  color:var(--teal-dark);
}
.score-num small{font-size:16px;color:var(--ink-3);font-weight:600;}
.score-stars{
  margin-top:8px;
  font-size:16px;
  color:#f5a623;
  letter-spacing:3px;
}
.score-meta{font-size:14px;color:var(--ink-2);margin-top:6px;}
.score-info h3{font-size:18px;margin-bottom:8px;}
.score-info p{font-size:14.5px;color:var(--ink-2);}
.score-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.score-tags .tag{background:#ffffff;}

.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;}
thead th{
  background:linear-gradient(180deg,#f0fbfa,#e6f7f5);
  color:var(--ink);
  font-weight:700;
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid rgba(15,157,139,.16);
  white-space:nowrap;
}
tbody td{
  padding:13px 16px;
  border-bottom:1px solid rgba(15,157,139,.1);
  color:var(--ink-2);
  vertical-align:top;
}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:rgba(15,157,139,.045);}
tbody td:first-child{font-weight:600;color:var(--ink);}
.col-own{background:rgba(15,157,139,.07);color:var(--teal-dark);font-weight:600;}

/* 表单 */
.form-layout{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:22px;
  align-items:start;
}
.form-aside{
  background:linear-gradient(160deg,#ffffff,#eefbf9);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  box-shadow:var(--shadow);
}
.form-aside h3{font-size:17px;margin-bottom:10px;}
.form-aside p{font-size:14.5px;color:var(--ink-2);}
.form-aside ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.form-aside li{
  font-size:14px;
  color:var(--ink-2);
  padding-left:18px;
  position:relative;
}
.form-aside li::before{
  content:"";
  position:absolute;
  left:2px;
  top:10px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--teal);
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink-2);}
.field input,
.field select,
.field textarea{
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  background:#fbfffe;
  border:1px solid rgba(15,157,139,.26);
  border-radius:10px;
  padding:11px 14px;
  width:100%;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(15,157,139,.15);
}
.form-submit{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;}
.form-tip{font-size:13px;color:var(--ink-3);}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:0 10px 24px -22px rgba(9,70,70,.7);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(15,157,139,.42);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:15px 48px 15px 18px;
  font-weight:600;
  font-size:15.5px;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--teal);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item summary:hover{color:var(--teal-dark);}
.faq-item p{
  padding:0 18px 16px;
  font-size:14.5px;
  color:var(--ink-2);
  border-top:1px dashed rgba(15,157,139,.18);
  padding-top:12px;
  margin:0 18px 16px;
  padding-left:0;
  padding-right:0;
}

/* 百科 & 资讯 */
.wiki-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:14px;
}
.wiki-card{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px 18px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.wiki-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.wiki-card h3{font-size:15.5px;color:var(--teal-dark);margin-bottom:6px;}
.wiki-card p{font-size:14px;color:var(--ink-2);}
.news-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:12px;
}
.news-item{
  display:flex;
  align-items:center;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 18px;
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,157,139,.42);}
.news-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--grad);
  flex-shrink:0;
}
.news-item span{font-size:14.5px;color:var(--ink-2);}

/* CTA */
.cta-card{
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:24px;
  align-items:center;
  background:linear-gradient(135deg,#e8f9f6 0%,#e0f5fb 100%);
  border:1px solid rgba(15,157,139,.26);
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow);
}
.cta-card h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-card p{font-size:15px;color:var(--ink-2);}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}

/* 联系 */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:22px;
  align-items:start;
}
.contact-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow);
}
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-row{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:14.5px;
  color:var(--ink-2);
}
.contact-row strong{
  display:block;
  font-size:13.5px;
  color:var(--ink-3);
  font-weight:600;
  margin-bottom:2px;
}
.contact-row a{color:var(--teal-dark);text-decoration:none;word-break:break-all;}
.contact-row a:hover{text-decoration:underline;}
.qr-card{
  background:linear-gradient(160deg,#ffffff,#eefbf9);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  text-align:center;
  box-shadow:var(--shadow);
}
.qr-card img{
  display:block;
  width:100%;
  max-width:200px;
  margin:0 auto 12px;
  border-radius:10px;
  background:#fff;
}
.qr-card p{font-size:14px;color:var(--ink-2);}
.qr-card .qr-note{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* 页脚 */
.site-footer{
  margin-top:26px;
  padding:34px 0 0;
  background:linear-gradient(180deg,#e9f8f6,#e1f4f1);
  border-top:1px solid rgba(15,157,139,.2);
  color:var(--ink-2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .85fr 1.1fr;
  gap:26px;
  padding-bottom:24px;
}
.footer-brand .ai-page-logo{max-height:34px;width:auto;display:block;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:340px;}
.footer-col h3{
  font-size:15px;
  color:var(--ink);
  margin-bottom:12px;
}
.footer-col ul{display:flex;flex-direction:column;gap:8px;}
.footer-col a{
  font-size:14px;
  color:var(--ink-2);
  text-decoration:none;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--teal-dark);text-decoration:underline;}
.friend-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
}
.friend-links a{font-size:13.5px;}
.footer-bottom{
  border-top:1px solid rgba(15,157,139,.2);
  padding:14px 0 18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-2);text-decoration:none;}
.footer-bottom a:hover{color:var(--teal-dark);}

/* 浮动客服 / 返回顶部 */
.float-service{position:fixed;right:18px;bottom:88px;z-index:70;}
.float-btn{
  width:56px;
  height:56px;
  border-radius:50%;
  border:none;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 16px 30px -14px rgba(15,157,139,.95);
  transition:transform .2s ease, box-shadow .25s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 22px 38px -14px rgba(15,157,139,1);}
.service-pop{
  display:none;
  position:absolute;
  right:0;
  bottom:68px;
  width:212px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  box-shadow:0 24px 44px -22px rgba(9,70,70,.6);
  text-align:center;
}
.service-pop.show{display:block;}
.service-pop img{
  width:100%;
  max-width:160px;
  border-radius:8px;
  display:block;
  margin:0 auto 8px;
}
.service-pop p{font-size:13px;color:var(--ink-2);}
.service-pop .service-qq{font-size:13px;color:var(--teal-dark);font-weight:600;margin-top:4px;}
.back-top{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:70;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid rgba(15,157,139,.3);
  background:#fff;
  color:var(--teal-dark);
  font-size:18px;
  font-weight:700;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  box-shadow:var(--shadow);
}
.back-top.show{opacity:1;visibility:visible;transform:none;}

/* 动画 */
.reveal{transition:opacity .65s ease, transform .65s ease;}
.js-ready .reveal{opacity:0;transform:translateY(18px);}
.js-ready .reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal,
  .js-ready .reveal{opacity:1;transform:none;transition:none;}
  .btn,.point-card,.service-card,.produce-card,.solution-card,.step,.case-item,.review-card,.news-item,.wiki-card,.tag{transition:none;}
}

/* 响应式 */
@media (max-width:1080px){
  .nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    background:#ffffff;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px -24px rgba(9,70,70,.6);
    padding:10px 0;
  }
  .nav.open{display:block;}
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:0 20px;
  }
  .nav-links a{
    padding:12px 4px;
    border-radius:0;
    border-bottom:1px solid rgba(15,157,139,.1);
    font-size:15px;
  }
  .nav-links a:last-child{border-bottom:0;}
  .nav-toggle{display:inline-flex;}
  .header-inner{position:relative;}
}
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .hero{padding:38px 0 16px;}
  .form-layout{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .score-card{grid-template-columns:1fr;}
  .score-main{border-right:0;border-bottom:1px dashed rgba(15,157,139,.3);padding-bottom:16px;}
}
@media (max-width:640px){
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:20px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .float-service{bottom:84px;right:14px;}
  .back-top{right:14px;bottom:20px;}
  .footer-bottom{flex-direction:column;}
}