
:root{
  --ink:#071334;
  --muted:#667084;
  --blue:#3155ff;
  --blue-soft:#eef3ff;
  --surface:#ffffff;
  --tint:#f4f8ff;
  --line:#dde4ef;
  --shadow:0 8px 24px rgba(32,54,95,.08);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
.brand-logo {
    height: 40px;
    width: auto;
    display: block;
}
a{color:inherit}
.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.section{padding:88px 0}
.section-tint{background:var(--tint)}
h1,h2,h3{font-family:Inter,sans-serif;line-height:1.18;margin:0;color:var(--ink)}
h1{font-size:clamp(2.5rem,5vw,4.6rem);letter-spacing:-.045em}
h2{font-size:clamp(2rem,3vw,3rem);letter-spacing:-.03em;margin-bottom:30px}
h3{font-size:1.08rem}
p{margin:0;color:var(--muted)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(221,228,239,.7)}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;gap:8px;align-items:center;text-decoration:none;font-weight:800;letter-spacing:.12em}
.brand-mark{width:23px;height:23px;display:grid;place-items:center;border-radius:6px;color:#fff;background:linear-gradient(135deg,#4263ff,#1435df);font-size:12px}
.site-nav{display:flex;gap:30px;align-items:center}
.site-nav a{text-decoration:none;font-size:.9rem;color:#3f4758;transition:.2s}
.site-nav a:hover,.site-nav a.active{color:var(--blue)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px}
.hero{padding:54px 0 72px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);gap:80px;align-items:center}
.hero-copy{max-width:650px}
.hero-copy p{font-size:1.05rem;max-width:560px;margin:24px 0 34px}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:0 34px;border-radius:999px;background:var(--blue);color:white;text-decoration:none;border:0;font-weight:600;cursor:pointer;transition:.2s}
.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(49,85,255,.22)}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:10px}
.section-heading{max-width:1040px;margin-bottom:34px}
.section-heading h2{margin-bottom:18px}
.cards{display:grid;gap:24px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.info-card,.service-card,.news-card,.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.info-card,.service-card{padding:30px}
.icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);margin-bottom:24px}
.info-card ul,.service-card ul{margin:18px 0 0;padding-left:20px;color:var(--muted)}
.info-card>p,.service-card>p{margin:18px 0 0;color:var(--muted)}
.info-card li,.service-card li{margin:4px 0}
.why-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:60px;align-items:start}
.why-media img{aspect-ratio:1;object-fit:cover;border-radius:18px}
.why-content .lead{max-width:760px;margin-bottom:20px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);text-decoration:none;margin:10px 0 20px}
.advantages article{display:grid;grid-template-columns:66px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
.advantages article:last-child{border-bottom:0}
.advantages article>span{font-size:2.15rem;line-height:1;color:var(--blue);font-weight:700}
.advantages h3{font-size:1.08rem;margin-bottom:10px}
.service-grid{grid-auto-rows:1fr}
.service-card{min-height:235px}
.team-section{padding-top:76px}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.person img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px}
.person h3{font-size:1rem;margin-top:14px}
.person h3 span{color:var(--blue)}
.person p{font-size:.88rem;margin-top:4px}
.news-card{overflow:hidden}
.news-card img{width:100%;aspect-ratio:16/7;object-fit:cover}
.news-body{padding:20px}
.news-body small{color:var(--muted)}
.news-body small .news-category{color:var(--blue);font-weight:600}
.news-body h3{margin:8px 0}
.news-body p{font-size:.92rem;min-height:52px}
.news-body a{display:inline-block;margin-top:14px;text-decoration:none;font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}
.contact-copy>p{max-width:430px;margin-bottom:30px}
.contact-list{display:grid;gap:22px;margin:0;padding:0}
.contact-item{display:grid;grid-template-columns:42px minmax(0,1fr);gap:16px;align-items:start}
.contact-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);flex-shrink:0}
.contact-icon svg{width:19px;height:19px}
.contact-detail{min-width:0;padding-top:1px}
.contact-copy dt{text-transform:uppercase;font-size:.72rem;color:#8892a4;letter-spacing:.08em}
.contact-copy dd{margin:4px 0 0;color:var(--ink);overflow-wrap:anywhere}
.contact-copy a{text-decoration:none}
.contact-copy a:hover{color:var(--blue)}
.contact-form{padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:grid;gap:8px;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px 14px;font:inherit;color:var(--ink);background:#fff}
.contact-form textarea{resize:vertical}
.contact-form .full{grid-column:1/-1}
.contact-form .button{justify-self:start;min-width:140px}
.site-footer{background:#07132e;color:#fff;padding:30px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.footer-logo-link{display:inline-flex;align-items:center}
.footer-logo{display:block;width:auto;height:34px;object-fit:contain}
.footer-inner p{color:#cfd6e5;font-size:.86rem}
@media (max-width:900px){
  .site-nav{position:absolute;top:74px;left:20px;right:20px;display:none;flex-direction:column;align-items:flex-start;gap:14px;background:white;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
  .site-nav.open{display:flex}
  .menu-toggle{display:block}
  .hero-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .hero-grid{gap:40px}
  .hero-media{max-width:560px}
  .why-media{max-width:420px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .container{width:min(100% - 28px,1120px)}
  .section{padding:64px 0}
  .hero{padding-top:38px}
  .cards-3,.team-grid{grid-template-columns:1fr}
  .advantages article{grid-template-columns:48px 1fr;gap:14px}
  .advantages article>span{font-size:1.65rem}
  .contact-form{grid-template-columns:1fr}
  .contact-form .full{grid-column:auto}
  .footer-inner{flex-direction:column;gap:12px;text-align:center}
}


/* Motion system: subtle, consistent, and disabled for users who prefer reduced motion. */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:
    opacity 560ms cubic-bezier(.22,1,.36,1) var(--reveal-delay,0ms),
    transform 560ms cubic-bezier(.22,1,.36,1) var(--reveal-delay,0ms);
}
[data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Preserve the existing design while adding lightweight interaction feedback. */
.info-card,
.service-card,
.news-card,
.person{
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}
.info-card:hover,
.service-card:hover,
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 32px rgba(32,54,95,.11);
}
.info-card:hover,
.service-card:hover{
  border-color:rgba(49,85,255,.24);
}
.person-image-wrap,
.news-image-wrap{
  overflow:hidden;
  border-radius:inherit;
}
.person img,
.news-card img{
  transition:transform 420ms cubic-bezier(.22,1,.36,1);
}
.person:hover img,
.news-card:hover img{
  transform:scale(1.025);
}
.text-link span,
.news-body a{
  transition:transform 180ms ease,color 180ms ease;
}
.text-link:hover span{
  transform:translateY(3px);
}
.news-body a:hover{
  color:var(--blue);
}
.site-header{
  transition:box-shadow 180ms ease,background-color 180ms ease;
}
.site-header:has(.site-nav.open){
  box-shadow:0 10px 24px rgba(32,54,95,.08);
}
.contact-form input,
.contact-form textarea{
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:rgba(49,85,255,.7);
  box-shadow:0 0 0 4px rgba(49,85,255,.09);
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  [data-reveal]{
    opacity:1;
    transform:none;
  }
}


/* Bilingual language control and Lucide icons */
.language-toggle{
  display:inline-flex;
  align-items:center;
  gap:7px;
  border:1px solid var(--line);
  background:#fff;
  color:#3f4758;
  border-radius:999px;
  padding:8px 12px;
  font:600 .82rem/1 Inter,system-ui,sans-serif;
  cursor:pointer;
  transition:border-color 180ms ease,color 180ms ease,background-color 180ms ease;
}
.language-toggle:hover{
  color:var(--blue);
  border-color:rgba(49,85,255,.35);
  background:var(--blue-soft);
}
.language-toggle svg{
  width:16px;
  height:16px;
}
.icon svg{
  width:21px;
  height:21px;
}
.lang-zh{
  font-family:"Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
}
.lang-zh h1,
.lang-zh h2,
.lang-zh h3{
  font-family:"Noto Sans SC",Manrope,Inter,sans-serif;
  letter-spacing:-.02em;
}
.lang-zh .hero-copy p,
.lang-zh .section-heading p,
.lang-zh .why-content p,
.lang-zh .contact-copy p{
  line-height:1.85;
}

@media (max-width:900px){
  .language-toggle{
    margin-top:4px;
  }
}

/* Requested refinements */
.hero-copy h1{font-size:clamp(2.15rem,4.2vw,3.85rem);max-width:620px}
.news-card{border-radius:var(--radius)}
.news-image-wrap{border-radius:var(--radius) var(--radius) 0 0}
.news-card img{border-radius:var(--radius) var(--radius) 0 0}
.office-map-link{display:inline-block;text-decoration:none;transition:color 180ms ease}
.office-map-link:hover{color:var(--blue)}
.form-honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}
.form-status{margin:0;color:var(--muted);font-size:.85rem;text-transform:none;letter-spacing:0}
.form-status.is-success{color:#1f7a4d}
.form-status.is-error{color:#b42318}
.contact-form button[disabled]{opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}
.person,.news-card{cursor:pointer}
.person:focus-visible,.news-card:focus-visible{outline:3px solid rgba(49,85,255,.3);outline-offset:4px}

/* Team bio and news detail modal */
body.modal-open{overflow:hidden}
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:28px}
.modal.is-open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,20,30,.52);backdrop-filter:blur(1px)}
.modal-dialog{position:relative;width:min(860px,100%);max-height:calc(100vh - 56px);overflow:auto;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.25)}
.modal-close{position:sticky;top:18px;float:right;z-index:2;width:42px;height:42px;margin:18px 18px -60px 0;border:0;background:transparent;color:#2c313b;font-size:2.2rem;line-height:1;cursor:pointer}
.modal-content{padding:72px 38px 42px}
.bio-layout{display:grid;grid-template-columns:195px 1fr;gap:34px;align-items:start}
.bio-photo{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:4px}
.bio-sidebar h2{font-size:1.35rem;margin:18px 0 2px}
.bio-sidebar p{font-size:.95rem;color:#4f5868}
.bio-copy{display:grid;gap:16px}
.bio-copy p,.article-copy p{font-size:.92rem;line-height:1.62;color:#667084}
.article-meta{font-size:.76rem;color:#7b8494;margin-bottom:8px}
.article-meta .category{color:var(--blue)}
.article-title{font-size:clamp(1.65rem,3vw,2.25rem);max-width:720px;margin:0 0 28px}
.article-lead{display:grid;grid-template-columns:1fr .88fr;gap:22px;align-items:start;margin-bottom:18px}
.article-image{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px; margin-bottom:28px;}
.article-image--full{aspect-ratio:auto; object-fit:contain; max-height:70vh;}
.article-copy{display:grid;gap:0；margin-top:32px;}
.article-copy p{margin:0 0 14px}
@media(max-width:700px){
  .modal{padding:12px}
  .modal-dialog{max-height:calc(100vh - 24px)}
  .modal-content{padding:66px 22px 28px}
  .bio-layout,.article-lead{grid-template-columns:1fr}
  .bio-sidebar{max-width:260px}
  .article-title{font-size:1.55rem}
}
