:root {
  --navy: #071a35;
  --navy-2: #0b2347;
  --blue: #1769ff;
  --blue-bright: #39a6ff;
  --cyan: #56d7ff;
  --ink: #12233f;
  --muted: #65748b;
  --line: #dfe8f3;
  --surface: #f4f8fc;
  --white: #fff;
  --shadow: 0 22px 70px rgba(17, 50, 94, .12);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
svg { width: 1.45rem; height: 1.45rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.sr-only, .skip-link { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { z-index: 999; top: 10px; left: 10px; width: auto; height: auto; clip: auto; margin: 0; padding: 8px 14px; background: white; color: var(--navy); border-radius: 8px; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 78px; color: white; transition: background .25s, box-shadow .25s; }
.site-header.scrolled, .site-header.menu-open { background: rgba(7, 26, 53, .96); box-shadow: 0 10px 35px rgba(0,0,0,.14); backdrop-filter: blur(14px); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; line-height: 1.1; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px 10px 10px 3px; background: linear-gradient(135deg, var(--blue), var(--cyan)); color: white; font-weight: 800; font-style: italic; font-size: 1.35rem; }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font-size: 1rem; letter-spacing: .12em; }
.brand-copy small { font-size: .63rem; letter-spacing: .25em; opacity: .66; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: .91rem; }
.main-nav > a { color: rgba(255,255,255,.76); transition: color .2s; }
.main-nav > a:hover, .main-nav > a:focus-visible { color: white; }
.main-nav .nav-cta { padding: 9px 19px; border: 1px solid rgba(255,255,255,.35); border-radius: 99px; color: white; }
.main-nav .language-switch { display: grid; place-items: center; min-width: 38px; height: 38px; margin-left: -18px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; color: white; font-size: .72rem; font-weight: 800; letter-spacing: .04em; }
.main-nav .language-switch:hover, .main-nav .language-switch:focus-visible { border-color: var(--cyan); background: rgba(86,215,255,.1); }
.menu-toggle { display: none; padding: 9px; color: white; background: none; border: 0; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: currentColor; transition: transform .2s, opacity .2s; }

.hero { position: relative; overflow: hidden; display: flex; min-height: 100vh; min-height: 100svh; padding: 170px 0 52px; flex-direction: column; color: white; background-color: #06152d; background-image: url("assets/images/conference-hero.png"); background-position: center top; background-size: cover; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,15,35,.16) 0%, rgba(3,15,35,.05) 48%, rgba(3,15,35,.08) 100%), linear-gradient(0deg, rgba(3,15,35,.55), transparent 45%); }
.hero-orb { position: absolute; border: 1px solid rgba(86,215,255,.12); border-radius: 50%; }
.hero-orb-one { width: 570px; height: 570px; top: 30px; right: -180px; }
.hero-orb-two { width: 370px; height: 370px; top: 130px; right: -80px; }
.hero-grid { position: relative; z-index: 1; display: block; }
.hero-copy { max-width: 625px; }
.eyebrow { margin: 0 0 18px; color: var(--blue-bright); font-size: .72rem; font-weight: 800; letter-spacing: .23em; }
.hero h1 { margin: 0; font-size: clamp(3.3rem, 6vw, 5.7rem); line-height: 1.08; letter-spacing: -.05em; }
.hero h1 span { display: inline-block; padding-right: .1em; margin-right: -.1em; color: transparent; background: linear-gradient(90deg, #54d8ff, #2d7aff); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 620px; margin: 30px 0 0; color: rgba(255,255,255,.76); font-size: 1.12rem; line-height: 1.95; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 51px; padding: 0 25px; border-radius: 10px; font-size: .93rem; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { gap: 14px; background: linear-gradient(135deg, var(--blue), #2e8dff); box-shadow: 0 12px 35px rgba(23,105,255,.35); }
.button-ghost { border: 1px solid rgba(255,255,255,.25); color: rgba(255,255,255,.86); }
.button-ghost:hover { background: rgba(255,255,255,.08); }
.hero-visual { position: relative; height: 420px; }
.visual-grid { position: absolute; inset: 25px; transform: perspective(600px) rotateX(58deg) rotateZ(-25deg); border: 1px solid rgba(86,215,255,.16); background-image: linear-gradient(rgba(86,215,255,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(86,215,255,.13) 1px, transparent 1px); background-size: 38px 38px; }
.signal-card { position: absolute; z-index: 2; display: flex; flex-direction: column; padding: 22px; border: 1px solid rgba(120,205,255,.22); border-radius: 18px; background: rgba(8,32,68,.75); box-shadow: 0 20px 50px rgba(0,0,0,.22); backdrop-filter: blur(16px); }
.signal-card strong { font-size: 1.05rem; }
.signal-card small { color: rgba(255,255,255,.54); }
.signal-main { top: 40px; left: 70px; width: 230px; }
.signal-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 13px; color: var(--cyan); background: rgba(86,215,255,.1); }
.signal-years { top: 205px; right: 10px; width: 175px; }
.signal-years strong { color: var(--cyan); font-size: 1.45rem; }
.signal-system { bottom: 15px; left: 25px; width: 220px; padding-left: 47px; }
.status-dot { position: absolute; left: 22px; top: 28px; width: 10px; height: 10px; border-radius: 50%; background: #34e39a; box-shadow: 0 0 0 6px rgba(52,227,154,.12); }
.hero-summary { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 45px; margin-top: auto; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-summary > p { max-width: 720px; margin: 0; color: rgba(255,255,255,.58); font-size: .91rem; }
.summary-tags { display: flex; gap: 10px; white-space: nowrap; }
.summary-tags span { padding: 5px 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 99px; color: rgba(255,255,255,.58); font-size: .75rem; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; margin-bottom: 55px; }
.section h2, .contact-section h2 { margin: 0; color: var(--navy); font-size: clamp(2.35rem, 4vw, 3.5rem); line-height: 1.2; letter-spacing: -.045em; }
.section-heading > p { margin: 0 0 7px; color: var(--muted); }
.featured-service { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.15fr .85fr; min-height: 455px; padding: 58px; border-radius: var(--radius); color: white; background: linear-gradient(130deg, #09234a, #0d3974); box-shadow: var(--shadow); }
.featured-service::after { content: ""; position: absolute; width: 440px; height: 440px; right: -180px; bottom: -260px; border: 80px solid rgba(50,160,255,.08); border-radius: 50%; }
.featured-number, .card-number { position: absolute; top: 28px; right: 38px; color: rgba(255,255,255,.13); font-size: 4rem; line-height: 1; font-weight: 800; }
.featured-content { position: relative; z-index: 2; max-width: 590px; }
.icon-box { width: 53px; height: 53px; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: #eaf3ff; }
.featured-content .icon-box { color: var(--cyan); background: rgba(86,215,255,.11); }
.card-kicker { margin: 28px 0 4px; color: var(--cyan); font-size: .75rem; letter-spacing: .14em; font-weight: 700; }
.featured-content h3 { margin: 0 0 12px; font-size: 2rem; }
.featured-content > p:not(.card-kicker) { margin: 0; color: rgba(255,255,255,.67); }
.check-list, .mini-list { list-style: none; padding: 0; }
.check-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 30px 0 0; }
.check-list li { position: relative; padding: 14px 10px 14px 34px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.76); font-size: .8rem; line-height: 1.5; }
.check-list li::before { content: "✓"; position: absolute; left: 10px; color: var(--cyan); font-weight: 800; }
.system-panel { z-index: 2; align-self: center; margin-left: 42px; border: 1px solid rgba(255,255,255,.14); border-radius: 17px; background: rgba(4,18,41,.48); box-shadow: 0 28px 80px rgba(0,0,0,.22); transform: perspective(900px) rotateY(-8deg) rotateX(3deg); }
.panel-top { display: flex; align-items: center; gap: 5px; padding: 13px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.panel-top span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.25); }
.panel-top small { margin-left: auto; color: rgba(255,255,255,.35); font-size: .62rem; letter-spacing: .12em; }
.panel-body { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; padding: 30px 24px; }
.mini-chart { grid-row: span 2; display: flex; align-items: end; gap: 10px; height: 145px; padding: 15px; border-left: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.mini-chart i { flex: 1; height: 35%; border-radius: 3px 3px 0 0; background: linear-gradient(#48cfff, #1769ff); opacity: .75; }
.mini-chart i:nth-child(2) { height: 58%; }.mini-chart i:nth-child(3) { height: 45%; }.mini-chart i:nth-child(4) { height: 82%; }.mini-chart i:nth-child(5) { height: 68%; }
.panel-lines span { display: block; height: 7px; margin: 0 0 12px; border-radius: 5px; background: rgba(255,255,255,.1); }
.panel-lines span:nth-child(2) { width: 70%; }.panel-lines span:nth-child(3) { width: 85%; }
.panel-stat { align-self: end; padding: 13px; border-radius: 10px; background: rgba(23,105,255,.16); }
.panel-stat b { display: block; color: var(--cyan); font-size: 1.4rem; }.panel-stat small { color: rgba(255,255,255,.42); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 24px; }
.service-card { position: relative; overflow: hidden; padding: 38px 34px 34px; border: 1px solid var(--line); border-radius: 20px; background: white; transition: transform .25s, box-shadow .25s, border-color .25s; }
.service-card:hover { transform: translateY(-6px); border-color: #bad5f4; box-shadow: var(--shadow); }
.service-card .card-number { top: 30px; right: 28px; color: #e8eff7; font-size: 2.8rem; }
.service-card h3 { margin: 25px 0 7px; color: var(--navy); font-size: 1.38rem; }
.card-lead { margin: 0 0 17px; color: var(--blue); font-size: .84rem; font-weight: 700; }
.service-card > p:not(.card-lead) { min-height: 120px; margin: 0; color: var(--muted); font-size: .91rem; }
.mini-list { margin: 25px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.mini-list li { position: relative; padding: 5px 0 5px 18px; color: #44536a; font-size: .81rem; }
.mini-list li::before { content: ""; position: absolute; left: 0; top: 14px; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.security-note { display: grid; grid-template-columns: auto 1fr; gap: 20px; margin-top: 25px; padding: 26px 30px; border-radius: 16px; background: var(--surface); }
.note-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: var(--blue); background: #dcecff; font-weight: 900; }
.security-note strong { color: var(--navy); }.security-note p { margin: 3px 0 0; color: var(--muted); font-size: .88rem; }

.why-us { position: relative; overflow: hidden; color: white; background: var(--navy); }
.why-us::after { content: "EZICES"; position: absolute; right: -20px; bottom: -95px; color: rgba(255,255,255,.025); font-size: 13rem; line-height: 1; font-weight: 900; letter-spacing: -.08em; }
.why-intro { position: relative; z-index: 1; display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: end; margin-bottom: 68px; }
.why-intro h2 { color: white; }
.why-intro blockquote { margin: 0; padding-left: 30px; border-left: 2px solid var(--blue-bright); color: rgba(255,255,255,.68); font-size: 1.23rem; line-height: 1.9; }
.why-intro em { color: var(--cyan); font-size: 1.5em; font-weight: 800; font-style: normal; }
.advantage-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.advantage { overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.035); transition: transform .25s, border-color .25s, background .25s; }
.advantage:hover { transform: translateY(-5px); border-color: rgba(86,215,255,.38); background: rgba(255,255,255,.055); }
.advantage > img { display: block; width: 100%; height: 225px; object-fit: cover; filter: saturate(.9); }
.advantage-body { position: relative; min-height: 225px; padding: 30px 32px 34px; }
.advantage span { color: var(--blue-bright); font-size: .77rem; font-weight: 800; letter-spacing: .1em; }
.advantage h3 { margin: 20px 0 13px; font-size: 1.4rem; }
.advantage p { margin: 0; color: rgba(255,255,255,.56); font-size: .88rem; }

.contact-section { padding: 110px 0; background: #eef5fc; }
.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 65px 70px; border-radius: var(--radius); background: white; box-shadow: var(--shadow); }
.contact-card > div:first-child > p:not(.eyebrow) { max-width: 650px; margin: 25px 0 0; color: var(--muted); }
.contact-side { overflow: hidden; border-radius: 17px; background: var(--blue); box-shadow: 0 18px 45px rgba(20,75,160,.2); }
.contact-side > img { display: block; width: 100%; height: 195px; object-fit: cover; }
.contact-placeholder { position: relative; padding: 34px; border-radius: 16px; color: white; background: linear-gradient(145deg, var(--blue), #124ca9); }
.contact-icon { position: absolute; top: 24px; right: 26px; font-size: 1.5rem; }
.contact-placeholder strong { display: block; margin-bottom: 11px; font-size: 1.3rem; }.contact-placeholder p { margin: 0; color: rgba(255,255,255,.8); }.contact-placeholder small { display: block; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.5); line-height: 1.5; }
.site-footer { padding: 35px 0; color: rgba(255,255,255,.58); background: #051226; font-size: .82rem; }
.footer-inner { display: flex; align-items: center; gap: 40px; }.brand-footer { color: white; }.footer-inner > p { margin: 0; }.copyright { margin-left: auto !important; }

.back-to-top { position: fixed; z-index: 90; right: 24px; bottom: 28px; width: 48px; height: 48px; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: white; background: linear-gradient(135deg, var(--blue), #2e8dff); box-shadow: 0 10px 30px rgba(7,26,53,.25); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .2s, visibility .2s, transform .2s, box-shadow .2s; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(23,105,255,.36); }
.back-to-top:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.back-to-top svg { width: 22px; height: 22px; stroke-width: 2; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { padding-top: 135px; }
  .hero-copy { max-width: 610px; }
  .hero-summary { margin-top: 65px; }
  .featured-service { grid-template-columns: 1fr; }
  .system-panel { display: none; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card:last-child { grid-column: 1 / -1; }
  .service-card > p:not(.card-lead) { min-height: auto; }
  .advantage-grid { grid-template-columns: 1fr 1fr; }
  .contact-card { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .site-header { height: 68px; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; display: grid; gap: 0; padding: 10px 16px 22px; background: rgba(7,26,53,.98); transform: translateY(-130%); opacity: 0; visibility: hidden; transition: transform .25s, opacity .2s; }
  .main-nav a { padding: 12px 10px; }
  .main-nav .nav-cta { margin-top: 8px; text-align: center; }
  .main-nav .language-switch { display: flex; justify-content: center; width: 100%; height: auto; margin: 8px 0 0; border-radius: 99px; }
  .menu-open .main-nav { transform: none; opacity: 1; visibility: visible; }
  .menu-open .menu-toggle span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(3) { opacity: 0; }
  .menu-open .menu-toggle span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 100vh; min-height: 100svh; padding: 120px 0 38px; background-position: 42% top; }
  .hero::before { background: linear-gradient(90deg, rgba(3,15,35,.25), rgba(3,15,35,.18)), linear-gradient(0deg, rgba(3,15,35,.72), rgba(3,15,35,.06) 65%); }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-summary { display: block; margin-top: 165px; }.summary-tags { flex-wrap: wrap; margin-top: 18px; }
  .section { padding: 85px 0; }
  .section-heading, .why-intro { grid-template-columns: 1fr; gap: 25px; margin-bottom: 40px; }
  .featured-service { min-height: 0; padding: 38px 25px; }
  .featured-content h3 { font-size: 1.65rem; }
  .check-list { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }.service-card:last-child { grid-column: auto; }
  .security-note { padding: 22px; }
  .why-intro blockquote { padding-left: 20px; font-size: 1.05rem; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage > img { height: 190px; }
  .advantage-body { min-height: 0; padding: 27px 24px 30px; }
  .advantage h3 { margin: 17px 0 11px; }
  .contact-section { padding: 70px 0; }
  .contact-card { padding: 38px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 17px; }.copyright { margin-left: 0 !important; }
  .back-to-top { right: 16px; bottom: 18px; width: 44px; height: 44px; }
}

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