:root{
  --brand:#1247d6;
  --brand-2:#2f7bff;
  --brand-deep:#0a1f5c;
  --ink:#0f1c34;
  --ink-2:#4b5a7a;
  --line:#dbe4fb;
  --soft:#f4f8ff;
  --radius:18px;
  --shadow:0 14px 34px rgba(18,71,214,.08);
  --shadow-hover:0 20px 42px rgba(18,71,214,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:#eef3ff;
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.2px;}
p{margin:0;}
button{font-family:inherit;}
.container{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,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ai-page-logo{max-height:38px;width:auto;}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-deep);letter-spacing:.5px;white-space:nowrap;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links li{flex:0 0 auto;}
.nav-links a{
  display:block;padding:9px 9px;font-size:14px;color:var(--ink);border-radius:8px;
  transition:color .25s ease,background .25s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:#eaf1ff;}
.header-cta{flex:0 0 auto;font-size:14px;padding:9px 18px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-deep);position:relative;transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-deep);transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.active span{background:transparent;}
.nav-toggle.active span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.active span::after{transform:translateY(-6px) rotate(-45deg);}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  background:linear-gradient(135deg,#1247d6,#2f7bff);
  color:#fff;box-shadow:0 10px 22px rgba(18,71,214,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(18,71,214,.34);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c9d8fb;}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,71,214,.14);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.22);}
.btn-outline-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-block{width:100%;}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:68px 0 104px;
  background:linear-gradient(135deg,#0a27a0 0%,#1345d8 48%,#3a86ff 100%);
}
.hero::before{
  content:"";position:absolute;top:-190px;right:-130px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.hero::after{
  content:"";position:absolute;bottom:-230px;left:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(130,196,255,.32),rgba(130,196,255,0) 70%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;
  padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;
}
.hero h1{font-size:clamp(28px,4.4vw,46px);margin-top:20px;color:#fff;}
.hero-lead{margin-top:18px;max-width:580px;font-size:17px;color:rgba(255,255,255,.9);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.78);}
.hero-panel{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.3);
  border-radius:22px;padding:24px 22px;
  backdrop-filter:blur(6px);
  box-shadow:0 22px 50px rgba(4,20,80,.28);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:#fff;}
.panel-dot{width:9px;height:9px;border-radius:50%;background:#8ef0c0;box-shadow:0 0 0 4px rgba(142,240,192,.2);}
.model-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.model-cloud span{
  font-size:12.5px;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.panel-list{margin-top:18px;display:grid;gap:10px;}
.panel-list li{display:flex;gap:9px;font-size:14px;color:rgba(255,255,255,.94);align-items:flex-start;}
.check{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:2px;
  background:rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;
  font-size:11px;color:#fff;
}

/* 指标卡 */
.metrics{padding:0;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-52px;position:relative;z-index:5;
}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric-card strong{display:block;font-size:27px;color:var(--brand);line-height:1.2;}
.metric-card span{display:block;margin-top:4px;font-size:14px;color:var(--ink-2);}

/* 区块结构 */
.section{padding:70px 0;}
.section-white{background:#f8fbff;}
.section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:2px;
  color:var(--brand);background:#e4ecff;border:1px solid #cfdeff;
  border-radius:999px;padding:4px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3.2vw,34px);color:var(--brand-deep);}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
.section-head.left{text-align:left;margin-left:0;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.about-text p{color:var(--ink-2);font-size:15.5px;}
.about-text p + p{margin-top:14px;}
.about-text strong{color:var(--brand-deep);}
.figure{
  border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  padding:10px;box-shadow:var(--shadow);
}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:#eef3ff;}
.figure-square img{aspect-ratio:1/1;object-fit:contain;background:#eef3ff;}
.figure figcaption{margin-top:10px;font-size:13px;color:var(--ink-2);text-align:center;}
.cap-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px;}
.cap-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.cap-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.cap-item b{display:block;font-size:15px;color:var(--brand-deep);margin-bottom:4px;}
.cap-item span{font-size:13.5px;color:var(--ink-2);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag-cloud span{
  font-size:13px;padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.tag-cloud span:hover{color:var(--brand);border-color:#b9cffb;transform:translateY(-2px);}
.cloud-wrap{
  margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);
}
.cloud-wrap h3{font-size:16px;color:var(--brand-deep);margin-bottom:6px;}
.cloud-wrap p{font-size:13.5px;color:var(--ink-2);}

/* 服务卡片 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;}
.service-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:24px 20px 20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  opacity:.85;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#bed2fa;}
.service-card h3{font-size:16px;color:var(--brand-deep);margin-bottom:8px;}
.service-card p{font-size:14px;color:var(--ink-2);}

/* 一站式制作 */
.studio-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.steps-4{display:grid;gap:14px;}
.step-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;transition:transform .25s ease,box-shadow .25s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#1247d6,#2f7bff);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.step-item h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:3px;}
.step-item p{font-size:14px;color:var(--ink-2);}

/* 行业方案 */
.industry-banner{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;padding:10px;box-shadow:var(--shadow);margin-bottom:26px;}
.industry-banner img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:12px;background:#eef3ff;}
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.industry-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  border-left:4px solid var(--brand-2);
  transition:transform .25s ease,box-shadow .25s ease;
}
.industry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.industry-card h3{font-size:16px;color:var(--brand-deep);margin-bottom:7px;}
.industry-card p{font-size:14px;color:var(--ink-2);}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.network-card{
  background:linear-gradient(180deg,#ffffff,#f4f8ff);
  border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.network-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.network-card h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:7px;}
.network-card p{font-size:13.8px;color:var(--ink-2);}

/* 标准流程 */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.process-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;
  position:relative;transition:transform .25s ease,box-shadow .25s ease;
}
.process-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.process-num{
  font-size:13px;font-weight:700;color:var(--brand);
  background:#e6eeff;border-radius:8px;padding:2px 10px;display:inline-block;margin-bottom:10px;
}
.process-card h3{font-size:16px;color:var(--brand-deep);margin-bottom:6px;}
.process-card p{font-size:14px;color:var(--ink-2);}

/* 案例中心 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:12px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:#eef3ff;}
.case-body{padding:16px 8px 6px;}
.case-body h3{font-size:16.5px;color:var(--brand-deep);margin-bottom:6px;}
.case-body p{font-size:14px;color:var(--ink-2);}

/* 对比评测 */
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(135deg,#0a27a0,#1345d8 60%,#2f7bff);color:#fff;
  border-radius:var(--radius);padding:26px 28px;margin-bottom:26px;
  box-shadow:0 18px 40px rgba(10,39,160,.24);
}
.score-main{display:flex;align-items:baseline;gap:10px;}
.score-main strong{font-size:42px;line-height:1;color:#fff;}
.score-main span{font-size:15px;color:rgba(255,255,255,.85);}
.score-stars{font-size:20px;letter-spacing:4px;color:#ffd04d;margin-top:6px;}
.score-text{font-size:14.5px;color:rgba(255,255,255,.92);max-width:520px;}
.score-badge{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff;
}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);}
table{border-collapse:collapse;width:100%;min-width:720px;font-size:14.5px;}
thead th{
  background:linear-gradient(135deg,#1247d6,#2f7bff);color:#fff;
  text-align:left;padding:15px 18px;font-weight:600;white-space:nowrap;
}
tbody td{padding:14px 18px;border-top:1px solid #e8eeff;color:var(--ink-2);vertical-align:top;}
tbody td:first-child{color:var(--ink);font-weight:600;}
tbody tr:nth-child(even){background:#f8fbff;}
.tag-good{display:inline-block;font-size:12.5px;color:#0b7a4b;background:#e3f8ee;border:1px solid #bfeed8;border-radius:6px;padding:1px 8px;margin-right:6px;}
.table-note{margin-top:12px;font-size:13px;color:var(--ink-2);}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  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-quote{font-size:14.5px;color:var(--ink-2);}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,#1247d6,#4f93ff);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.review-meta b{display:block;font-size:14px;color:var(--brand-deep);}
.review-meta small{font-size:12.5px;color:var(--ink-2);}

/* 帮助 & 资讯 */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.help-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.help-card h3{font-size:15.5px;color:var(--brand-deep);margin-bottom:6px;}
.help-card p{font-size:13.8px;color:var(--ink-2);}
.insight-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.panel-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.panel-box h3{font-size:17px;color:var(--brand-deep);margin-bottom:14px;}
.article-slot{
  font-size:13px;color:var(--ink-2);background:#f4f8ff;border:1px dashed #c9d8fb;
  border-radius:10px;padding:12px 14px;margin-bottom:16px;word-break:break-all;
}
.article-list{display:grid;gap:12px;}
.article-list li a{
  display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:12px;
  border:1px solid transparent;transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.article-list li a:hover{background:#f4f8ff;border-color:var(--line);transform:translateX(3px);}
.article-cat{
  flex:0 0 auto;font-size:12px;color:var(--brand);background:#e6eeff;
  border-radius:6px;padding:2px 8px;margin-top:3px;
}
.article-title{font-size:14.5px;color:var(--ink);}
.kb-list{display:grid;gap:12px;}
.kb-item{background:#f8fbff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.kb-item b{display:block;font-size:14.5px;color:var(--brand-deep);margin-bottom:3px;}
.kb-item span{font-size:13.5px;color:var(--ink-2);}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#b9cffb;box-shadow:var(--shadow);}
.faq-item summary{
  cursor:pointer;padding:16px 48px 16px 20px;font-size:15.5px;font-weight:600;
  color:var(--brand-deep);list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);}

/* 联系与表单 */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field span{font-size:13.5px;font-weight:600;color:var(--brand-deep);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
  background:#f9fbff;font-size:14.5px;color:var(--ink);outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
  font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 3px rgba(47,123,255,.14);
}
.field textarea{resize:vertical;min-height:110px;}
.field-full{grid-column:1 / -1;}
.form-actions{margin-top:18px;}
.contact-card{background:linear-gradient(180deg,#ffffff,#f2f7ff);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.contact-card h3{font-size:17px;color:var(--brand-deep);margin-bottom:12px;}
.qr-box{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff;width:160px;}
.qr-box img{width:100%;border-radius:8px;}
.qr-tip{margin-top:8px;font-size:13px;color:var(--ink-2);}
.contact-list{display:grid;gap:10px;margin-top:16px;}
.contact-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);align-items:flex-start;}
.contact-list b{color:var(--brand-deep);font-weight:600;flex:0 0 auto;}

/* 加盟代理 */
.partner-box{
  background:linear-gradient(135deg,#0a27a0,#1345d8 55%,#2f7bff);
  color:#fff;border-radius:22px;padding:38px 34px;
  box-shadow:0 22px 48px rgba(10,39,160,.28);
}
.partner-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;}
.partner-box h2{font-size:clamp(22px,2.8vw,30px);color:#fff;}
.partner-box p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);}
.partner-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.partner-points li{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:12px;padding:12px 14px;font-size:14px;color:#fff;
}
.partner-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{
  background:#0a1f5c;color:#dfe7ff;padding:52px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand img{max-height:38px;width:auto;}
.footer-brand strong{font-size:17px;color:#fff;}
.site-footer p{font-size:13.8px;color:#c6d3f5;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:14px;}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;}
.footer-nav a,.friend-links a{
  font-size:13.8px;color:#c6d3f5;transition:color .22s ease;
}
.footer-nav a:hover,.friend-links a:hover{color:#fff;}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;}
.footer-contact{display:grid;gap:8px;}
.footer-contact li{font-size:13.8px;color:#c6d3f5;}
.footer-bottom{
  margin-top:36px;border-top:1px solid rgba(255,255,255,.16);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#b8c7ee;}
.footer-bottom a{color:#dfe7ff;font-size:13px;}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.float-btn{
  border:none;cursor:pointer;border-radius:14px;
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#1247d6,#2f7bff);
  box-shadow:0 12px 26px rgba(18,71,214,.34);
  transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(18,71,214,.42);}
.back-top{opacity:0;pointer-events:none;background:#0a1f5c;font-size:16px;}
.back-top.show{opacity:1;pointer-events:auto;}
.cs-panel{
  width:216px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 18px 40px rgba(10,31,92,.18);
  position:absolute;right:0;bottom:64px;
}
.cs-panel[hidden]{display:none;}
.cs-panel h4{font-size:14px;color:var(--brand-deep);margin:0 0 10px;}
.cs-panel img{width:100%;border-radius:10px;border:1px solid var(--line);background:#f4f8ff;}
.cs-panel p{font-size:12.5px;color:var(--ink-2);margin-top:8px;word-break:break-all;}

/* 滚动渐入 */
.js-reveal .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
.js-reveal .reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .js-reveal .reveal{opacity:1;transform:none;transition:none;}
  .btn,.service-card,.metric-card,.case-card,.review-card,.help-card,.network-card,.process-card,.cap-item,.industry-card,.step-item{transition:none;}
}

/* 响应式 */
@media (max-width:1100px){
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(10,31,92,.12);
    padding:10px 20px 18px;
  }
  .main-nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 6px;font-size:15px;border-bottom:1px solid #eef3ff;}
  .nav-toggle{display:flex;}
  .header-inner{min-height:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .about-grid,.studio-grid,.insight-grid,.contact-grid,.partner-inner{grid-template-columns:1fr;gap:28px;}
  .cap-list,.network-grid,.help-grid{grid-template-columns:repeat(2,1fr);}
  .industry-grid,.process-grid,.review-grid{grid-template-columns:repeat(2,1fr);}
  .metrics-grid{grid-template-columns:repeat(2,1fr);margin-top:-40px;}
}
@media (max-width:760px){
  .section{padding:52px 0;}
  .hero{padding:48px 0 84px;}
  .section-head{margin-bottom:30px;}
  .case-grid,.card-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .nav-links{gap:0;}
  .header-cta{padding:8px 14px;font-size:13px;}
  .brand-name{font-size:15.5px;}
  .partner-box{padding:28px 20px;}
  .partner-points{grid-template-columns:1fr;}
  .score-card{padding:22px 20px;}
  .score-main strong{font-size:34px;}
}
@media (max-width:480px){
  .industry-grid,.process-grid,.review-grid,.cap-list,.network-grid,.help-grid{grid-template-columns:1fr;}
  .metrics-grid{gap:12px;}
  .metric-card{padding:16px 14px;}
  .metric-card strong{font-size:22px;}
  .hero-actions{gap:10px;}
  .btn{padding:12px 18px;font-size:14px;}
}