:root{
  --blue:#075CFF;
  --blue-2:#0043D8;
  --blue-3:#0A2E8A;
  --cyan:#4AA3FF;
  --orange:#FFB03A;
  --text:#101828;
  --muted:#667085;
  --line:#E7EAF3;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --dark:#08162E;
  --radius:22px;
  --shadow:0 18px 55px rgba(16,24,40,.10);
  --shadow-soft:0 12px 30px rgba(16,24,40,.07);
}
*{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",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin:0 auto}
.topbar{
  background:var(--dark);color:#D8E7FF;font-size:13px;
}
.topbar-inner{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:8px 0;flex-wrap:wrap}
.topbar a{color:#fff}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;min-width:240px}
.brand img{height:48px;width:auto}
.nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center}
.nav a{font-size:14px;color:#344054;position:relative;padding:10px 0}
.nav a.active,.nav a:hover{color:var(--blue);font-weight:800}
.nav a.active::after,.nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:3px;border-radius:3px;background:var(--blue)}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 20px;font-weight:800;
  transition:.2s ease;border:1px solid transparent;cursor:pointer;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 12px 24px rgba(7,92,255,.24)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(255,255,255,.16), transparent 22%),
    radial-gradient(circle at 88% 90%, rgba(255,255,255,.18), transparent 28%),
    linear-gradient(135deg,#075CFF 0%,#0047DD 48%,#0631A6 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:auto -16% -40% auto;width:620px;height:620px;
  border-radius:50%;border:88px solid rgba(255,255,255,.08)
}
.hero::after{
  content:"";position:absolute;left:-160px;top:-180px;width:520px;height:520px;
  border-radius:40%;background:rgba(255,255,255,.08);transform:rotate(18deg)
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;padding:88px 0 76px}
.badge{
  display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.13);border-radius:999px;padding:8px 14px;color:#ECF4FF;font-weight:800;font-size:14px
}
.hero h1{font-size:56px;line-height:1.08;letter-spacing:-.04em;margin:20px 0 20px}
.hero-sub{font-size:20px;color:#EAF2FF;max-width:760px;margin:0 0 28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-tags span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 12px;color:#EEF6FF;font-size:14px}
.hero-panel{
  position:relative;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  border-radius:30px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.18);backdrop-filter:blur(14px)
}
.hero-logo{margin:18px auto 28px;max-width:430px}
.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.panel-stat{background:#fff;color:var(--text);border-radius:18px;padding:18px;text-align:center}
.panel-stat strong{display:block;color:var(--blue);font-size:30px;line-height:1.1}
.panel-stat span{font-size:13px;color:var(--muted)}
.section{padding:78px 0}
.section-white{background:#fff}
.section-blue{background:linear-gradient(135deg,#EEF5FF,#F7FAFF)}
.section-dark{background:#08162E;color:#fff}
.section-title{max-width:820px;margin:0 auto 36px;text-align:center}
.eyebrow{color:var(--blue);font-weight:900;letter-spacing:.08em;font-size:14px;margin:0 0 10px}
.section-dark .eyebrow{color:#7DB8FF}
h2{font-size:38px;line-height:1.22;margin:0 0 14px;letter-spacing:-.025em}
.section-title p,.lead{color:var(--muted);font-size:17px;margin:0}
.section-dark .section-title p,.section-dark .lead{color:#CAD7EE}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-soft);height:100%;
}
.card h3{font-size:22px;margin:0 0 10px}
.card p{color:var(--muted);margin:0 0 18px}
.card-link{color:var(--blue);font-weight:900}
.icon{
  width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:900;margin-bottom:14px
}
.about-card{
  background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow)
}
.about-card p{color:var(--muted)}
.value-list{display:grid;gap:14px}
.value-item{
  display:flex;gap:14px;align-items:flex-start;background:#F7FAFF;border:1px solid #DDEBFF;border-radius:18px;padding:18px
}
.value-item strong{display:block;color:var(--blue);font-size:18px}
.value-item span{color:var(--muted)}
.service-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-card{position:relative;overflow:hidden}
.service-card::after{
  content:"";position:absolute;right:-34px;top:-34px;width:90px;height:90px;border-radius:50%;background:rgba(7,92,255,.08)
}
.service-card .tag{display:inline-flex;border-radius:999px;background:#EEF5FF;color:var(--blue);font-size:13px;font-weight:800;padding:5px 10px;margin-bottom:12px}
.advantages{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.advantage{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-soft)}
.advantage h3{margin:8px 0 8px;font-size:19px}
.advantage p{color:var(--muted);font-size:15px;margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;text-align:center;box-shadow:var(--shadow-soft)
}
.stat strong{display:block;font-size:42px;line-height:1;color:var(--blue)}
.stat span{display:block;color:var(--muted);margin-top:10px}
.system-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}
.system-intro{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border-radius:30px;padding:36px;box-shadow:var(--shadow)}
.system-intro h2{margin-bottom:12px}
.system-intro p{color:#E9F2FF}
.role-list{display:grid;gap:14px}
.role{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;grid-template-columns:120px 1fr;gap:12px}
.role strong{color:var(--blue)}
.role span{color:var(--muted)}
.cert-box{background:#fff;border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow);overflow:hidden}
.cert-img{border-radius:20px;border:1px solid var(--line);background:#fff}
.notice{background:#FFF8E8;border:1px solid #FFE4A3;color:#7A4A00;border-radius:18px;padding:16px 18px;font-size:14px}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 22px;box-shadow:0 8px 20px rgba(16,24,40,.04)}
summary{cursor:pointer;font-weight:900;color:#101828}
details p{color:var(--muted);margin:12px 0 0}
.contact-band{
  background:linear-gradient(135deg,#075CFF,#052D9E);
  color:#fff;border-radius:32px;padding:38px;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;box-shadow:var(--shadow)
}
.contact-band p{color:#E6F0FF}
.contact-list{display:grid;gap:10px;margin:22px 0}
.contact-list div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:13px 16px}
.lead-form{background:#fff;color:var(--text);border-radius:24px;padding:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lead-form label{display:block;font-weight:800;font-size:14px;margin-bottom:12px}
.lead-form input,.lead-form select,.lead-form textarea{
  display:block;width:100%;margin-top:6px;border:1px solid var(--line);border-radius:12px;padding:12px 13px;font:inherit
}
.lead-form textarea{min-height:100px}
.lead-form button{width:100%;border:0;margin-top:6px}
.form-tip{color:var(--muted)!important;font-size:13px!important;margin:10px 0 0!important}
.breadcrumb{font-size:14px;color:var(--muted);padding:20px 0}
.breadcrumb a{color:var(--blue);font-weight:800}
.page-hero{
  background:linear-gradient(135deg,#F4F8FF,#FFFFFF);border-bottom:1px solid var(--line);
  padding:58px 0
}
.page-hero .container{display:grid;grid-template-columns:1fr .55fr;gap:28px;align-items:center}
.page-hero h1{font-size:48px;line-height:1.12;margin:10px 0 14px}
.page-hero p{font-size:18px;color:var(--muted);margin:0}
.page-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow-soft)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.process .step{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-soft)}
.step::before{counter-increment:step;content:"0" counter(step);display:inline-flex;background:var(--blue);color:#fff;border-radius:999px;padding:3px 10px;font-weight:900;margin-bottom:12px}
.step h3{margin:0 0 8px}.step p{color:var(--muted);margin:0}
.keyword-cloud{display:flex;gap:10px;flex-wrap:wrap}
.keyword-cloud span{background:#EEF5FF;color:var(--blue);border:1px solid #D9E8FF;border-radius:999px;padding:8px 12px;font-weight:800;font-size:14px}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.article-list a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;color:var(--blue);font-weight:900;box-shadow:0 8px 18px rgba(16,24,40,.04)}
.float-actions{position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:60}
.float-actions a{width:48px;height:48px;border-radius:16px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);font-weight:900}
.footer{background:#071328;color:#D4E0F2;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:28px}
.footer h3,.footer h4{color:#fff;margin-top:0}
.footer p,.footer a{color:#AEBBD0}
.footer a:hover{color:#fff}
.footer-links{display:grid;gap:7px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px;color:#AEBBD0}
@media (max-width:1080px){
  .nav{display:none}
  .hero-grid,.grid-2,.system-wrap,.contact-band,.page-hero .container{grid-template-columns:1fr}
  .service-matrix,.advantages,.stats{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .hero h1{font-size:38px}
  .page-hero h1{font-size:34px}
  h2{font-size:30px}
  .hero-grid{padding:58px 0}
  .panel-stats,.grid-3,.service-matrix,.advantages,.stats,.process,.grid-4,.article-list,.footer-grid,.form-grid{grid-template-columns:1fr}
  .role{grid-template-columns:1fr}
  .topbar-inner span:nth-child(2){display:none}
  .brand img{height:46px}
  .header-actions .btn-secondary{display:none}
  .contact-band{padding:24px}
}



/* ===== v4 official style overrides ===== */
.site-header{
  background:linear-gradient(135deg,#075CFF,#0043D8 52%,#052D9E)!important;
  border-bottom:1px solid rgba(255,255,255,.18)!important;
  box-shadow:0 8px 30px rgba(7,92,255,.18)!important;
}
.brand img{height:56px!important;width:auto!important;border-radius:12px!important;display:block!important}
.nav a{color:rgba(255,255,255,.86)!important}
.nav a.active,.nav a:hover{color:#fff!important;font-weight:900!important}
.nav a.active::after,.nav a:hover::after{background:#fff!important}
.btn-white{background:#fff;color:#075CFF;box-shadow:0 12px 24px rgba(0,0,0,.12)}
.btn-secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}
.hero-v4{
  position:relative;overflow:hidden;
  background:radial-gradient(circle at 8% 10%,rgba(255,255,255,.18),transparent 22%),radial-gradient(circle at 90% 85%,rgba(255,255,255,.16),transparent 30%),linear-gradient(135deg,#075CFF 0%,#0048E0 45%,#062B95 100%);
  color:#fff;
}
.hero-v4::before{content:"";position:absolute;right:-150px;bottom:-260px;width:660px;height:660px;border-radius:50%;border:90px solid rgba(255,255,255,.08)}
.hero-v4::after{content:"";position:absolute;left:-210px;top:-230px;width:560px;height:560px;border-radius:42%;background:rgba(255,255,255,.075);transform:rotate(16deg)}
.hero-v4-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;padding:92px 0 78px}
.hero-v4 h1{font-size:58px;line-height:1.08;letter-spacing:-.045em;margin:20px 0}
.hero-v4-sub{font-size:20px;color:#EAF2FF;max-width:760px;margin:0 0 28px}
.hero-v4-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-v4-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-v4-tags span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.23);border-radius:999px;padding:8px 12px;color:#EEF6FF;font-size:14px;font-weight:700}
.hero-v4-visual{position:relative}
.hero-v4-logo-card{width:100%;border-radius:34px;box-shadow:0 30px 80px rgba(0,0,0,.18)}
.hero-v4-float{position:absolute;left:-18px;bottom:-24px;background:#fff;color:#101828;border:1px solid #E6EBF5;border-radius:22px;padding:18px 20px;box-shadow:0 20px 60px rgba(16,24,40,.11);display:flex;gap:18px;align-items:center}
.hero-v4-float strong{display:block;color:#075CFF;font-size:26px;line-height:1}.hero-v4-float span{display:block;color:#667085;font-size:13px}
.quick-card-v4{position:absolute;right:-8px;top:-20px;background:rgba(255,255,255,.94);color:#101828;border-radius:22px;padding:16px 18px;box-shadow:0 20px 60px rgba(16,24,40,.11);border:1px solid rgba(255,255,255,.65)}
.quick-card-v4 b{color:#075CFF}
.about-panel-v4{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.cta-strip-v4{background:linear-gradient(135deg,#075CFF,#052D9E);color:#fff;border-radius:30px;padding:30px 34px;display:flex;gap:20px;align-items:center;justify-content:space-between;box-shadow:0 20px 60px rgba(16,24,40,.11)}
.cta-strip-v4 p{margin:0;color:#E8F1FF}
.area-grid-v4{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.area-grid-v4 span{background:#fff;border:1px solid #E6EBF5;border-radius:16px;padding:14px;text-align:center;color:#075CFF;font-weight:900;box-shadow:0 8px 20px rgba(16,24,40,.04)}
.article-list-v4{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.article-list-v4 a{background:#fff;border:1px solid #E6EBF5;border-radius:18px;padding:18px 20px;color:#075CFF;font-weight:900;box-shadow:0 8px 18px rgba(16,24,40,.04)}
.badge-v4{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.30);background:rgba(255,255,255,.14);border-radius:999px;padding:8px 14px;color:#ECF4FF;font-weight:900;font-size:14px}
@media (max-width:1100px){
  .hero-v4-grid,.about-panel-v4{grid-template-columns:1fr}
  .area-grid-v4{grid-template-columns:repeat(2,1fr)}
  .article-list-v4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .brand img{height:44px!important}
  .hero-v4 h1{font-size:38px}
  .hero-v4-grid{padding:58px 0}
  .hero-v4-float,.quick-card-v4{position:static;margin-top:14px}
  .area-grid-v4,.article-list-v4{grid-template-columns:1fr}
  .cta-strip-v4{padding:24px;display:block}
  .cta-strip-v4 .btn{margin-top:16px}
}



/* ===== v5 Apple-inspired layout: original Apple assets are not used ===== */
body{background:#f5f5f7!important;color:#1d1d1f!important}
.container{width:min(1180px,92%)!important}
.apple-nav{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.apple-nav-inner{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.apple-brand img{height:34px;width:auto;border-radius:7px;display:block}
.apple-links{display:flex;gap:22px;align-items:center;justify-content:center;flex-wrap:wrap}
.apple-links a{font-size:12px;color:#1d1d1f;opacity:.84}
.apple-links a.active,.apple-links a:hover{opacity:1;color:#075CFF;font-weight:700}
.apple-nav-cta{font-size:12px;border-radius:999px;background:#0071e3;color:#fff;padding:6px 12px;font-weight:700}
.apple-hero{background:#fff;text-align:center;overflow:hidden;padding:72px 0 50px}
.apple-kicker{font-size:21px;font-weight:700;color:#6e6e73;margin:0 0 8px}
.apple-hero h1{font-size:72px;line-height:1.04;letter-spacing:-.055em;margin:0;color:#1d1d1f;font-weight:800}
.apple-hero-sub{font-size:24px;line-height:1.36;color:#1d1d1f;max-width:900px;margin:18px auto 24px}
.apple-actions{display:flex;gap:22px;justify-content:center;align-items:center;flex-wrap:wrap;margin:8px 0 24px}
.apple-link{font-size:19px;color:#0066cc;font-weight:600}
.apple-link:hover{text-decoration:underline}
.apple-hero-visual{max-width:920px;margin:34px auto 0}
.apple-hero-visual img{border-radius:38px}
.apple-section{padding:12px 0}
.apple-tile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.apple-tile{min-height:520px;background:#fff;border-radius:0;text-align:center;padding:52px 34px;overflow:hidden;position:relative}
.apple-tile.dark{background:#050b1f;color:#fff}
.apple-tile.blue{background:linear-gradient(135deg,#075CFF,#003ebf);color:#fff}
.apple-tile h2{font-size:44px;letter-spacing:-.035em;margin:0 0 8px}
.apple-tile p{font-size:20px;color:#6e6e73;margin:0 auto 18px;max-width:560px}
.apple-tile.dark p,.apple-tile.blue p{color:#e8efff}
.apple-chip-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.apple-chip-row span{border-radius:999px;background:#f5f5f7;padding:9px 14px;color:#1d1d1f;font-weight:700;font-size:14px}
.apple-tile.blue .apple-chip-row span,.apple-tile.dark .apple-chip-row span{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.18)}
.apple-service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.apple-card{background:#fff;border-radius:28px;padding:34px;min-height:285px;box-shadow:0 2px 16px rgba(0,0,0,.04)}
.apple-card .mini{font-size:13px;color:#86868b;font-weight:700;margin-bottom:8px}
.apple-card h3{font-size:28px;letter-spacing:-.025em;margin:0 0 10px}
.apple-card p{color:#6e6e73;margin:0 0 18px;font-size:16px}
.apple-band{background:#fff;padding:74px 0;text-align:center}
.apple-band h2{font-size:56px;letter-spacing:-.05em;max-width:880px;margin:0 auto 16px}
.apple-band p{font-size:22px;max-width:860px;margin:0 auto;color:#6e6e73}
.apple-process{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px;text-align:left}
.apple-step{background:#f5f5f7;border-radius:28px;padding:28px;min-height:230px}
.apple-step b{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;background:#0071e3;color:#fff;margin-bottom:18px}
.apple-step h3{font-size:24px;margin:0 0 8px}.apple-step p{font-size:16px;color:#6e6e73;margin:0}
.apple-faq{background:#f5f5f7;padding:70px 0}.apple-faq h2{text-align:center;font-size:48px;letter-spacing:-.04em}.apple-faq details{background:#fff;border:0;border-radius:18px;box-shadow:none}.apple-faq summary{font-size:18px}
.contact-band{border-radius:32px!important}
@media (max-width:1000px){.apple-links{display:none}.apple-hero h1{font-size:48px}.apple-tile-grid,.apple-service-cards,.apple-process{grid-template-columns:1fr}.apple-tile{min-height:420px}.apple-band h2{font-size:40px}}
@media (max-width:620px){.apple-nav-cta{display:none}.apple-hero h1{font-size:40px}.apple-hero-sub{font-size:20px}.apple-tile h2{font-size:34px}.apple-band h2{font-size:34px}}