:root{
  --blue-900:#06225f;
  --blue-800:#0a2f86;
  --blue-700:#0f45b5;
  --blue-600:#1a5be0;
  --blue-500:#2f7bff;
  --blue-100:#e6efff;
  --blue-50:#f4f7ff;
  --ink:#0d1b36;
  --muted:#4d5f80;
  --line:#dbe4f7;
  --gold:#f5a623;
  --radius:16px;
  --shadow:0 10px 26px rgba(15,69,181,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.7;
  color:var(--ink);
  background:var(--blue-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:var(--blue-700);}
h1,h2,h3{line-height:1.35;color:var(--blue-900);}
.container{width:min(1180px,calc(100% - 32px));margin-inline:auto;}
.section{padding:58px 0;}
.section.alt{background:#fff;}
.section-head{max-width:780px;margin-bottom:26px;}
.section-head h2{font-size:clamp(21px,2.6vw,29px);margin:10px 0 10px;letter-spacing:.5px;}
.section-head p{margin:0;color:var(--muted);font-size:15px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--blue-700);background:var(--blue-100);padding:4px 12px;border-radius:999px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:12px;padding:12px 22px;font-size:15px;font-weight:700;
  text-decoration:none;cursor:pointer;font-family:inherit;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-primary{background:linear-gradient(120deg,#1a5be0,#0a2f86);color:#fff;box-shadow:0 10px 22px rgba(26,91,224,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(26,91,224,.36);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--blue-700);border:1px solid #bcd1f7;}
.btn-outline:hover{background:var(--blue-100);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-lg{padding:14px 28px;font-size:16px;}
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,69,181,.14);border-color:#bcd1f7;}
.card h3{font-size:16px;margin:0 0 8px;}
.card p{margin:0;color:var(--muted);font-size:14px;}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  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:20px;min-height:70px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--blue-900);font-weight:800;font-size:17px;letter-spacing:.6px;flex:none;}
.brand img{width:36px;height:36px;object-fit:contain;display:block;}
.nav-wrap{display:flex;align-items:center;gap:18px;}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{display:block;padding:9px 10px;font-size:14px;color:#22315a;text-decoration:none;border-radius:9px;transition:color .18s ease,background .18s ease;}
.nav-links a:hover{color:var(--blue-700);background:var(--blue-100);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:42px;height:38px;padding:0 9px;border:1px solid #cfe0ff;border-radius:10px;background:#fff;cursor:pointer;}
.nav-toggle span{display:block;height:2px;background:var(--blue-700);border-radius:2px;}

/* hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#06225f 0%,#0f45b5 58%,#1a5be0 100%);
  padding:62px 0 56px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero::after{
  content:"";position:absolute;right:-150px;top:-170px;width:520px;height:520px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(47,123,255,.55),rgba(47,123,255,0) 70%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center;}
.hero .eyebrow{background:rgba(255,255,255,.14);color:#dbe8ff;}
.hero h1{font-size:clamp(26px,4.4vw,44px);margin:16px 0 14px;color:#fff;letter-spacing:1px;}
.hero-sub{margin:0 0 24px;max-width:560px;color:rgba(255,255,255,.86);font-size:16px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin:0;padding:0;font-size:14px;color:rgba(255,255,255,.86);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"✓";color:#8db9ff;font-weight:700;}
.hero-copy > *{animation:rise .7s both;}
.hero-copy > *:nth-child(1){animation-delay:.05s;}
.hero-copy > *:nth-child(2){animation-delay:.13s;}
.hero-copy > *:nth-child(3){animation-delay:.21s;}
.hero-copy > *:nth-child(4){animation-delay:.29s;}
.hero-copy > *:nth-child(5){animation-delay:.37s;}
@keyframes rise{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.hero-panel{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
  border-radius:20px;padding:20px;backdrop-filter:blur(6px);
}
.panel-top{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.panel-top .dot{width:8px;height:8px;border-radius:50%;background:#7fe0a8;box-shadow:0 0 0 4px rgba(127,224,168,.22);}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.model-chips span{
  font-size:12.5px;padding:4px 10px;border-radius:999px;color:#eaf2ff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
.panel-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid rgba(255,255,255,.2);padding-top:14px;}
.panel-foot div{display:flex;flex-direction:column;gap:2px;}
.panel-foot strong{font-size:14px;color:#fff;}
.panel-foot span{font-size:12px;color:rgba(255,255,255,.72);line-height:1.5;}

/* stats */
.stats{padding:30px 0 6px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);}
.stat strong{display:block;font-size:24px;color:var(--blue-700);letter-spacing:.5px;}
.stat span{font-size:13px;color:var(--muted);}

/* capability */
.cap-card{position:relative;padding-top:28px;}
.cap-card::before{content:"";position:absolute;left:22px;top:16px;width:28px;height:4px;border-radius:2px;background:linear-gradient(90deg,#1a5be0,#6aa7ff);}

/* tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-cloud span{
  font-size:13px;padding:6px 13px;border-radius:999px;color:#1c3462;
  background:#fff;border:1px solid var(--line);box-shadow:0 4px 10px rgba(15,69,181,.05);
  transition:transform .18s ease,border-color .18s ease,color .18s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);border-color:#9dbcf5;color:var(--blue-700);}

/* studio media */
.studio-media{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px;}
.studio-media img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.timeline li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);}
.timeline .step-no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--blue-100);color:var(--blue-700);font-weight:800;font-size:14px;margin-bottom:10px;}
.timeline h3{font-size:15px;margin:0 0 6px;}
.timeline p{margin:0;font-size:13.5px;color:var(--muted);}

/* case */
.case-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,69,181,.14);}
.case-media img{display:block;width:100%;height:auto;}
.case-card figcaption{padding:16px 20px 20px;}
.case-card h3{font-size:15.5px;margin:0 0 6px;}
.case-card p{margin:0;font-size:13.5px;color:var(--muted);}

/* compare */
.compare-wrap{display:grid;grid-template-columns:.8fr 1.6fr;gap:20px;align-items:start;}
.score-card{background:linear-gradient(160deg,#0f45b5,#1a5be0);color:#fff;border-radius:var(--radius);padding:26px;box-shadow:0 14px 32px rgba(15,69,181,.24);}
.score-stars{font-size:20px;letter-spacing:3px;color:var(--gold);}
.score-num{font-size:44px;font-weight:800;line-height:1.1;margin:8px 0 2px;color:#fff;}
.score-num span{font-size:16px;font-weight:600;color:rgba(255,255,255,.75);margin-left:4px;}
.score-card p{margin:6px 0 0;font-size:13.5px;color:rgba(255,255,255,.85);}
.score-card ul{margin:14px 0 0;padding-left:18px;font-size:13.5px;color:rgba(255,255,255,.88);}
.table-scroll{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;font-size:14px;min-width:620px;}
thead th{background:var(--blue-100);color:var(--blue-800);text-align:left;font-weight:700;padding:13px 16px;white-space:nowrap;}
tbody td,tbody th{text-align:left;padding:12px 16px;border-top:1px solid var(--line);color:#22315a;vertical-align:top;font-weight:400;}
tbody th{font-weight:700;color:var(--blue-900);white-space:nowrap;}
td.col-main{background:#f0f6ff;color:var(--blue-800);font-weight:600;}

/* faq */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 46px 16px 20px;position:relative;
  font-weight:700;font-size:15px;color:var(--blue-900);
}
.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:700;color:var(--blue-600);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14px;}

/* reviews */
.review-card{display:flex;flex-direction:column;gap:12px;}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#1a5be0,#5f9dff);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:none;}
.review-top strong{display:block;font-size:15px;color:var(--blue-900);}
.review-top span{font-size:12.5px;color:var(--muted);}
.review-card p{margin:0;font-size:14px;color:#33456a;}

/* form */
.contact-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;}
.demand-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:700;color:var(--blue-900);}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:#f7faff;border:1px solid #cfdcf3;border-radius:10px;padding:11px 13px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(47,123,255,.16);
}
.field textarea{resize:vertical;min-height:110px;}
.form-note{margin:12px 0 0;font-size:12.5px;color:var(--muted);}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.contact-list{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px;font-size:14px;color:#33456a;}
.contact-list strong{color:var(--blue-900);}
.qr-box{display:flex;align-items:center;gap:14px;background:#f5f9ff;border:1px dashed #bfd4f6;border-radius:12px;padding:14px;}
.qr-box img{width:110px;height:auto;display:block;border-radius:8px;background:#fff;}
.qr-box p{margin:0;font-size:13px;color:var(--muted);}

/* partner */
.partner-card{
  background:linear-gradient(135deg,#0a2f86,#1a5be0 60%,#3f85ff);
  color:#fff;border-radius:20px;padding:30px;box-shadow:0 18px 40px rgba(15,69,181,.26);
  display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;
}
.partner-card h2{color:#fff;font-size:clamp(20px,2.5vw,26px);margin:0 0 10px;}
.partner-card p{margin:0 0 8px;color:rgba(255,255,255,.88);font-size:14.5px;}
.partner-card ul{margin:10px 0 0;padding-left:18px;color:rgba(255,255,255,.9);font-size:14px;}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* news */
.news-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.news-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease;}
.news-list li:hover{transform:translateX(4px);border-color:#bcd1f7;}
.news-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;text-decoration:none;color:var(--blue-900);font-weight:600;font-size:14.5px;}
.news-list a::after{content:"→";color:var(--blue-600);flex:none;}
.news-list span{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:4px;}
.news-list a div{flex:1;}

/* footer */
.site-footer{background:#06225f;color:#c9d8f5;padding:44px 0 22px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1fr 1.3fr;gap:28px;align-items:start;}
.footer-brand strong{display:block;font-size:18px;color:#fff;letter-spacing:1px;margin-bottom:8px;}
.footer-brand p{margin:0 0 6px;font-size:13.5px;color:#c9d8f5;}
.footer-brand a{color:#9dc0ff;text-decoration:none;}
.footer-brand a:hover{color:#fff;text-decoration:underline;}
.footer-links h3{font-size:14px;color:#fff;margin:0 0 12px;}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 14px;}
.friend-links a{color:#c9d8f5;text-decoration:none;font-size:13px;transition:color .18s ease;}
.friend-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:26px;padding-top:16px;font-size:12.5px;color:#a9bfe6;}
.footer-bottom p{margin:0;}

/* float */
.float-service{position:fixed;right:16px;bottom:16px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-panel{display:none;width:212px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 34px rgba(13,27,54,.18);padding:14px;font-size:13px;color:#33456a;}
.float-panel.is-open{display:block;}
.float-panel p{margin:0 0 6px;}
.float-panel p:last-child{margin-bottom:0;}
.float-toggle{
  background:linear-gradient(120deg,#1a5be0,#0a2f86);color:#fff;border:0;border-radius:999px;
  padding:11px 18px;font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;
  box-shadow:0 10px 22px rgba(26,91,224,.35);transition:transform .18s ease;
}
.float-toggle:hover{transform:translateY(-2px);}
.float-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--blue-700);
  font-size:17px;font-weight:800;cursor:pointer;opacity:0;pointer-events:none;
  box-shadow:0 10px 22px rgba(13,27,54,.16);transition:opacity .2s ease,transform .18s ease;
}
.float-btn.is-visible{opacity:1;pointer-events:auto;}
.float-btn:hover{transform:translateY(-2px);}

@media (max-width:1140px){
  .nav-toggle{display:flex;}
  .nav-wrap{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 1px);
    flex-direction:column;align-items:stretch;gap:8px;
    background:#fff;border:1px solid var(--line);border-top:0;
    border-radius:0 0 14px 14px;box-shadow:0 18px 30px rgba(13,27,54,.14);
    padding:12px;
  }
  .nav-wrap.is-open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:11px 12px;}
  .header-cta{width:100%;margin-top:4px;}
}
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:26px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .compare-wrap,.contact-wrap,.partner-card,.footer-top{grid-template-columns:1fr;}
  .hero-panel{max-width:560px;}
}
@media (max-width:640px){
  .section{padding:44px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat{padding:14px 16px;}
  .stat strong{font-size:20px;}
  .timeline{grid-template-columns:1fr;}
  .studio-media{grid-template-columns:1fr;}
  .hero{padding:44px 0 40px;}
  .panel-foot{grid-template-columns:1fr;gap:8px;}
  .float-service{right:12px;bottom:12px;}
  .footer-top{gap:20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-copy > *{animation:none;}
}