:root{
  color-scheme:light;
  --ink:#071a39;
  --muted:#63738a;
  --blue:#0877f9;
  --blue-dark:#035fdc;
  --blue-soft:#eaf4ff;
  --line:#dfe8f4;
  --navy:#031d43;
  --section-width:1080px;
  --shadow:0 24px 70px rgba(31,81,153,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;scroll-padding-top:90px}
body{margin:0;min-width:320px;overflow-x:hidden;background:#f7faff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
h1,h2,h3,p,figure{margin-top:0}
img{display:block;max-width:100%}
summary{font:inherit}

.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(221,230,242,.88);background:rgba(255,255,255,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.header-inner{display:flex;width:min(var(--section-width),calc(100% - 40px));min-height:82px;align-items:center;margin:0 auto}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-size:23px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand img{width:46px;height:46px;border-radius:13px;box-shadow:0 7px 20px rgba(5,28,64,.16)}
.desktop-nav{display:flex;align-self:stretch;align-items:center;gap:45px;margin:auto}
.desktop-nav a{position:relative;display:flex;height:100%;align-items:center;padding-top:2px;color:#142744;font-size:14px;font-weight:650}
.desktop-nav a::after{content:"";position:absolute;right:0;bottom:0;left:0;height:3px;transform:scaleX(0);border-radius:4px 4px 0 0;background:var(--blue);transition:transform .2s ease}
.desktop-nav a:hover::after,.desktop-nav a.active::after{transform:scaleX(1)}
.desktop-nav a.active{color:var(--blue)}
.header-download{display:inline-flex;min-width:106px;min-height:46px;align-items:center;justify-content:center;padding:0 20px;border-radius:10px;background:linear-gradient(135deg,var(--blue),#0867ed);color:#fff;font-size:14px;font-weight:750;box-shadow:0 9px 24px rgba(8,119,249,.23)}
.header-download:hover{color:#fff;transform:translateY(-1px)}
.mobile-menu{display:none;margin-left:auto}

.subpage-main{position:relative;isolation:isolate;padding:54px 0 92px;background:radial-gradient(circle at 10% 2%,rgba(125,184,255,.2),transparent 28rem),linear-gradient(180deg,#f7fbff 0,#f7faff 42%,#fff 100%)}
.subpage-main::after{content:"";position:absolute;z-index:-1;right:-240px;bottom:12%;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(100,170,255,.18),rgba(255,255,255,0) 70%)}
.page-inner{width:min(var(--section-width),calc(100% - 40px));margin:0 auto}

.page-hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:36px;align-items:center;padding:clamp(36px,6vw,64px);overflow:hidden;border:1px solid rgba(210,225,243,.94);border-radius:28px;background:linear-gradient(130deg,rgba(255,255,255,.98),rgba(234,244,255,.94));box-shadow:var(--shadow)}
.page-kicker{margin-bottom:13px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.page-hero h1{margin-bottom:17px;font-size:clamp(38px,5vw,58px);line-height:1.15;letter-spacing:-.055em}
.page-lead{max-width:660px;margin-bottom:28px;color:var(--muted);font-size:16px;line-height:1.85}
.page-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 19px;border:1.5px solid var(--blue);border-radius:12px;color:var(--blue);font-size:14px;font-weight:750}
.button:hover{background:var(--blue-soft)}
.button--primary{background:linear-gradient(135deg,var(--blue),#0867ed);color:#fff;box-shadow:0 11px 25px rgba(8,119,249,.2)}
.button--primary:hover{background:linear-gradient(135deg,var(--blue-dark),#075dca);color:#fff}
.contact-card{position:relative;padding:27px;overflow:hidden;border:1px solid rgba(197,220,248,.86);border-radius:22px;background:rgba(255,255,255,.86);box-shadow:0 16px 40px rgba(34,84,149,.08)}
.contact-card::after{content:"";position:absolute;right:-50px;bottom:-75px;width:150px;height:150px;border-radius:50%;background:rgba(65,152,255,.15)}
.contact-icon{display:grid;width:48px;height:48px;margin-bottom:22px;place-items:center;border-radius:14px;background:var(--blue-soft);color:var(--blue)}
.contact-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}
.contact-card p{margin-bottom:7px;color:var(--muted);font-size:13px}.contact-card strong{display:block;margin-bottom:11px;font-size:17px}.contact-card small{position:relative;z-index:1;color:var(--muted);line-height:1.7}

.content-panel{margin-top:22px;padding:clamp(28px,5vw,48px);border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.96);box-shadow:0 16px 50px rgba(31,81,153,.07)}
.content-panel h2{margin-bottom:25px;font-size:clamp(26px,3vw,34px);letter-spacing:-.035em}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-item{padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#fff,#fbfdff)}
.faq-item h3{margin-bottom:8px;font-size:17px}.faq-item p{margin-bottom:0;color:var(--muted);font-size:13px;line-height:1.75}
.notice{margin-top:19px;padding:17px 19px;border-left:4px solid var(--blue);border-radius:8px 15px 15px 8px;background:var(--blue-soft);color:#49627e;font-size:13px;line-height:1.75}
.english-copy{padding-top:4px}.english-copy p{color:var(--muted);line-height:1.8}

.document{max-width:900px;padding:0 0 8px}
.document-head{position:relative;padding:42px 44px 34px;overflow:hidden;border:1px solid var(--line);border-radius:26px 26px 0 0;background:linear-gradient(130deg,#fff 25%,#eaf4ff);box-shadow:0 20px 58px rgba(31,81,153,.08)}
.document-head::after{content:"";position:absolute;right:-60px;bottom:-105px;width:220px;height:220px;border:1px solid rgba(45,132,247,.23);border-radius:50%;box-shadow:0 0 60px rgba(49,139,255,.08)}
.document-head h1{position:relative;z-index:1;margin-bottom:11px;font-size:clamp(34px,4.8vw,50px);line-height:1.2;letter-spacing:-.05em}
.document-meta{position:relative;z-index:1;color:var(--muted);font-size:13px;line-height:1.7}
.document-nav{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;margin-top:19px;font-size:13px;font-weight:700}
.document-body{padding:38px 44px 48px;border:1px solid var(--line);border-top:0;border-radius:0 0 26px 26px;background:#fff;box-shadow:0 24px 70px rgba(31,81,153,.08)}
.document-body>p:first-child{margin-top:0;color:#344b69;font-size:15px;line-height:1.9}
.document-body h3{margin:29px 0 10px;padding-top:3px;color:var(--ink);font-size:18px;line-height:1.45}
.document-body p{margin:10px 0;color:#34445d;font-size:14px;line-height:1.9}
.document-body ul{margin:10px 0 0;padding-left:22px;color:#34445d}
.document-body li{margin:7px 0;padding-left:3px;font-size:14px;line-height:1.85}
.document-body li::marker{color:var(--blue)}
.internal-label{display:inline-flex;margin-bottom:15px;padding:6px 11px;border-radius:999px;background:rgba(8,119,249,.1);color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.1em}

.site-footer{background:linear-gradient(115deg,#031d43,#03285e);color:#b8c9df}
.footer-inner{display:grid;width:min(var(--section-width),calc(100% - 40px));grid-template-columns:1.4fr repeat(3,1fr);gap:48px;min-height:225px;margin:0 auto;padding-top:43px;padding-bottom:calc(38px + env(safe-area-inset-bottom))}
.footer-brand .brand{color:#fff}.footer-brand .brand img{width:43px;height:43px}.footer-brand p{margin:14px 0 29px;font-size:12px;letter-spacing:.08em}.footer-brand small{color:#849ab8;font-size:11px}
.footer-inner nav{display:grid;align-content:start;gap:13px;font-size:12px}.footer-inner nav strong{margin-bottom:2px;color:#fff;font-size:13px}.footer-inner nav a{color:#b8c9df}.footer-inner nav a:hover{color:#fff}

@media(max-width:820px){
  .header-inner{width:min(calc(100% - 32px),var(--section-width));min-height:72px}
  .desktop-nav,.header-download{display:none}
  .mobile-menu{position:relative;display:block}
  .mobile-menu summary{display:grid;width:44px;min-height:44px;cursor:pointer;place-content:center;gap:5px;list-style:none;border-radius:10px}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu summary span{display:block;width:24px;height:2px;border-radius:2px;background:var(--ink)}
  .mobile-menu nav{position:absolute;top:52px;right:0;display:grid;width:190px;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 18px 48px rgba(7,26,57,.16)}
  .mobile-menu nav a{display:flex;min-height:48px;align-items:center;padding:0 19px;border-bottom:1px solid #eef2f7;color:var(--ink);font-size:14px;font-weight:650}.mobile-menu nav a:last-child{border-bottom:0}
  .subpage-main{padding:38px 0 70px}.page-inner{width:min(calc(100% - 32px),var(--section-width))}
  .page-hero{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}
  .footer-inner{width:min(calc(100% - 32px),var(--section-width));grid-template-columns:1.4fr repeat(3,1fr);gap:26px}
}

@media(max-width:560px){
  .header-inner,.page-inner,.footer-inner{width:min(calc(100% - 28px),var(--section-width))}
  .header-inner{min-height:68px}.brand{gap:10px;font-size:21px}.brand img{width:42px;height:42px;border-radius:12px}
  .subpage-main{padding:25px 0 54px}
  .page-hero{gap:25px;padding:28px 22px;border-radius:22px}.page-hero h1{font-size:39px}.page-lead{font-size:14px}.contact-card{padding:22px}
  .page-actions{display:grid;grid-template-columns:1fr 1fr}.button{padding:9px 12px;font-size:13px;text-align:center}
  .content-panel{padding:27px 20px;border-radius:21px}.faq-item{padding:19px}.content-panel h2{font-size:26px}
  .document-head{padding:30px 23px 26px;border-radius:22px 22px 0 0}.document-head h1{font-size:34px}.document-nav{display:grid;gap:9px}
  .document-body{padding:27px 23px 36px;border-radius:0 0 22px 22px}.document-body h3{font-size:17px}.document-body p,.document-body li{font-size:13px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px 25px;padding-top:39px}.footer-brand{grid-column:1/-1}.footer-brand p{margin-bottom:18px}
}

@media(max-width:370px){.page-actions{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}}