:root {
  --ink: #102235;
  --muted: #5d6d7e;
  --line: #dce7ef;
  --surface: #ffffff;
  --soft: #f4f8fb;
  --blue: #0678d4;
  --blue-dark: #0754aa;
  --green: #65c93c;
  --navy: #071b2e;
  --shadow: 0 24px 70px rgba(15, 50, 76, .12);
  --radius: 26px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link {
  position: fixed; z-index: 9999; top: 12px; left: 12px; padding: 10px 16px;
  color: #fff; background: var(--navy); border-radius: 10px; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000; height: 78px;
  background: rgba(255,255,255,.82); border-bottom: 1px solid rgba(220,231,239,.72);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled { background: rgba(255,255,255,.95); box-shadow: 0 8px 30px rgba(6,39,66,.08); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 180px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--blue) 0 48%, var(--green) 52% 100%);
  box-shadow: 0 9px 24px rgba(6,120,212,.22);
}
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; border: 5px solid rgba(255,255,255,.92); border-radius: 50%;
}
.brand-mark::before { width: 25px; height: 25px; left: -8px; bottom: -7px; }
.brand-mark::after { width: 18px; height: 18px; right: -4px; top: -4px; }
.brand-mark span { position: absolute; width: 6px; height: 6px; background: #fff; border-radius: 50%; right: 9px; top: 10px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { letter-spacing: .08em; font-size: 18px; }
.brand-copy small { margin-top: 5px; color: var(--muted); letter-spacing: .2em; font-size: 9px; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 600; }
.main-nav > a:not(.nav-cta) { color: #344b5f; position: relative; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--blue); transition: right .2s ease; }
.main-nav > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 10px 18px; color: #fff; background: var(--navy); border-radius: 999px; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--ink); transition: .2s ease; }

.hero { position: relative; overflow: hidden; padding: 165px 0 100px; min-height: 760px; background: linear-gradient(135deg, #f7fbff 0%, #fff 56%, #f4fbf1 100%); }
.hero::before { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(4px); opacity: .42; }
.hero-orb-one { width: 520px; height: 520px; right: -180px; top: 70px; background: radial-gradient(circle, rgba(101,201,60,.25), transparent 68%); }
.hero-orb-two { width: 580px; height: 580px; left: -260px; bottom: -240px; background: radial-gradient(circle, rgba(6,120,212,.21), transparent 68%); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 72px; align-items: center; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 16px; color: var(--blue-dark); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.hero h1 { margin: 0; max-width: 720px; font-size: clamp(48px, 6vw, 76px); line-height: 1.12; letter-spacing: -.045em; }
.hero h1 span { color: var(--blue); position: relative; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 25px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: linear-gradient(135deg, var(--blue), var(--blue-dark)); box-shadow: 0 12px 28px rgba(6,120,212,.24); }
.button.secondary { background: rgba(255,255,255,.72); border: 1px solid var(--line); }
.button.small { min-height: 42px; padding: 0 18px; font-size: 14px; }
.hero-meta { display: flex; gap: 42px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong { font-size: 22px; }
.hero-meta span { color: var(--muted); font-size: 12px; }
.hero-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.logo-card { width: 100%; padding: 30px; background: rgba(255,255,255,.82); border: 1px solid rgba(220,231,239,.9); border-radius: 34px; box-shadow: var(--shadow); transform: rotate(1.2deg); }
.logo-card img { width: 100%; border-radius: 22px; }
.floating-card { position: absolute; display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: rgba(255,255,255,.93); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 16px 35px rgba(15,50,76,.12); }
.floating-card strong, .floating-card small { display: block; }
.floating-card strong { font-size: 14px; }
.floating-card small { color: var(--muted); font-size: 10px; }
.card-code { left: -25px; bottom: 65px; }
.card-connect { right: -24px; top: 58px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 7px rgba(101,201,60,.14); }
.card-connect svg { width: 28px; height: 28px; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; }

.section { padding: 110px 0; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 4.6vw, 56px); line-height: 1.2; letter-spacing: -.035em; }
.section-heading > p:last-child { max-width: 650px; color: var(--muted); }
.section-heading.centered { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.section-heading.centered > p:last-child { margin-inline: auto; }
.split-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.about-content { max-width: 720px; }
.about-content p { color: var(--muted); }
.about-content .large-copy { margin-top: 0; color: var(--ink); font-size: clamp(24px, 3vw, 36px); line-height: 1.45; font-weight: 700; letter-spacing: -.02em; }
.legal-name { margin-top: 38px; padding: 25px 28px; background: var(--soft); border-left: 4px solid var(--blue); border-radius: 0 18px 18px 0; }
.legal-name span, .legal-name small { display: block; color: var(--muted); font-size: 12px; }
.legal-name strong { display: block; margin: 5px 0; font-size: 18px; }
.services { background: var(--soft); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { position: relative; min-height: 360px; padding: 34px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 14px 40px rgba(15,50,76,.05); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.service-number { position: absolute; top: 24px; right: 26px; color: #dbe8f1; font-size: 46px; font-weight: 800; line-height: 1; }
.service-icon { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 19px; background: linear-gradient(135deg, #e6f5ff, #effbe9); }
.service-icon svg { width: 30px; height: 30px; fill: none; stroke: var(--blue-dark); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 38px 0 14px; font-size: 24px; }
.service-card p { color: var(--muted); }
.process { color: #fff; background: var(--navy); }
.process .eyebrow { color: #79caff; }
.process .section-heading > p:last-child { color: #aebdca; }
.process-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.process-list { margin: 0; padding: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 28px 0; border-top: 1px solid rgba(255,255,255,.13); }
.process-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.process-list > li > span { color: #79caff; font-weight: 800; font-size: 13px; }
.process-list h3 { margin: 0 0 5px; font-size: 21px; }
.process-list p { margin: 0; color: #aebdca; }
.contact { background: linear-gradient(135deg, #eaf7ff, #f5fff0); }
.contact-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; padding: 70px; background: #fff; border: 1px solid rgba(220,231,239,.9); border-radius: 34px; box-shadow: var(--shadow); }
.contact-panel h2 { margin: 0; font-size: clamp(36px, 4.5vw, 54px); line-height: 1.25; letter-spacing: -.035em; }
.contact-panel > div > p:last-child { color: var(--muted); }
.contact-details { display: grid; gap: 14px; }
.contact-details > * { display: block; padding: 20px 24px; border-radius: 18px; background: var(--soft); border: 1px solid transparent; transition: border-color .2s ease, transform .2s ease; }
.contact-details a:hover { border-color: #9eccef; transform: translateX(3px); }
.contact-details span { display: block; color: var(--muted); font-size: 12px; }
.contact-details strong { display: block; margin-top: 4px; font-size: 16px; line-height: 1.6; }
.site-footer { padding: 58px 0 24px; color: #d9e4ed; background: #041321; }
.footer-grid { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; padding-bottom: 42px; }
.footer-grid strong { color: #fff; font-size: 20px; }
.footer-grid p { margin-bottom: 0; color: #91a3b3; }
.footer-links { display: flex; gap: 25px; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 22px; color: #718596; border-top: 1px solid rgba(255,255,255,.09); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

.policy-page { background: var(--soft); }
.policy-header { position: sticky; }
.policy-main { padding: 80px 0 100px; }
.policy-layout { display: grid; grid-template-columns: 280px 1fr; gap: 90px; align-items: start; }
.policy-aside { position: sticky; top: 120px; }
.policy-aside h1 { margin: 0; font-size: 48px; }
.policy-aside > p:last-child { color: var(--muted); font-size: 13px; }
.policy-content { max-width: 800px; padding: 55px 65px; background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 16px 50px rgba(15,50,76,.07); }
.policy-intro { color: var(--ink); font-size: 18px; font-weight: 600; }
.policy-content section { padding-top: 26px; }
.policy-content h2 { margin: 0 0 12px; font-size: 22px; }
.policy-content p, .policy-content li { color: var(--muted); }
.policy-content a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.policy-contact { margin-top: 24px; padding: 24px 28px; background: var(--soft); border-radius: 18px; }
.policy-contact p { margin: 7px 0; }
.compact-footer { padding-top: 25px; }
.compact-footer .footer-bottom { padding-bottom: 0; }

@media (max-width: 980px) {
  .hero-grid, .split-layout, .process-grid, .contact-panel, .policy-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 135px; }
  .hero-grid { gap: 45px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { min-height: 400px; }
  .split-layout, .process-grid, .policy-layout { gap: 45px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 280px; }
  .contact-panel { padding: 50px; }
  .policy-aside { position: static; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .site-header { height: 70px; }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 70px; left: 14px; right: 14px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 15px; }
  .nav-cta { text-align: center; margin-top: 5px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: auto; padding: 120px 0 75px; }
  .hero h1 { font-size: 46px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-meta { gap: 20px; justify-content: space-between; }
  .hero-meta strong { font-size: 18px; }
  .hero-visual { min-height: 315px; }
  .logo-card { padding: 18px; border-radius: 24px; }
  .floating-card { padding: 10px 12px; }
  .card-code { left: -2px; bottom: 8px; }
  .card-connect { right: -2px; top: 8px; }
  .section { padding: 78px 0; }
  .section-heading h2 { font-size: 38px; }
  .service-card { padding: 28px; }
  .contact-panel { padding: 34px 24px; gap: 36px; border-radius: 25px; }
  .contact-panel h2 { font-size: 38px; }
  .footer-grid, .footer-bottom { flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
  .policy-main { padding-top: 55px; }
  .policy-aside h1 { font-size: 40px; }
  .policy-content { padding: 34px 24px; border-radius: 22px; }
}

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