:root {
    --bg: #F5F7FF;
    --ink: #1F2740;
    --title: #131A35;
    --muted: #66708A;
    --soft: #9AA4BA;
    --primary: #5B6CFF;
    --primary-2: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --pink: #D94F70;
    --navy: #16213E;
    --night: #0B1024;
    --card: #FFFFFF;
    --border: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
    --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(calc(100% - 32px), 1280px); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; white-space: nowrap; }
.site-logo img { max-height: 44px; width: auto; object-fit: contain; }
.site-logo strong { font-size: 19px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn, .ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.main-btn { background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .ghost-btn:hover { transform: translateY(-2px); }
.main-btn.compact { min-height: 42px; padding: 0 18px; font-size: 14px; }
.ghost-btn { border: 1px solid var(--border); color: var(--primary); background: rgba(255,255,255,.75); }
.ghost-btn.light { color: #fff; border-color: rgba(255,255,255,.36); background: rgba(255,255,255,.08); }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 3px; background: #fff; }
.mobile-only { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,8,24,.62); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(420px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(5,10,30,.25); transform: translateX(105%); transition: transform .25s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-head .site-logo { color: var(--title); }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 50%; color: var(--title); background: #EEF2FF; font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; border-radius: 14px; color: var(--title); background: #F5F7FF; font-weight: 600; }
.drawer-nav a:hover { background: #EAF7FF; color: var(--primary); }
.drawer-note { padding: 18px; border-radius: 18px; background: #FFF4D6; color: var(--title); }
.drawer-note p { margin: 6px 0 0; color: #6e5a24; font-size: 14px; }
.section-block { padding: 94px 0; }
.soft-section { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(245,247,255,.2)); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-heading h2, .editorial-copy h2, .compliance-inner h2, .footer-cta h2 { margin: 8px 0 14px; color: var(--title); font-size: clamp(30px, 4vw, 48px); line-height: 1.18; letter-spacing: -.035em; }
.section-heading p { color: var(--muted); margin: 0; }
.section-kicker { color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.text-link { display: inline-flex; margin-top: 14px; color: var(--primary); font-weight: 700; text-decoration: none; }
.text-link::after { content: " →"; }
.card, .zone-card, .info-card, .review-card, .step-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero { position: relative; isolation: isolate; padding: 86px 0 76px; overflow: hidden; background: radial-gradient(circle at 12% 18%, rgba(122,92,255,.2), transparent 34%), radial-gradient(circle at 88% 16%, rgba(0,212,255,.18), transparent 30%), linear-gradient(135deg, #F8F4FF 0%, #ECF7FF 50%, #FFF3F8 100%); }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); }
.hero::before { width: 270px; height: 270px; right: -70px; bottom: -70px; background: rgba(217,79,112,.11); }
.hero::after { width: 190px; height: 190px; left: 45%; top: -80px; background: rgba(255,200,87,.15); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; }
.hero-copy h1 { margin: 14px 0 10px; color: var(--title); font-size: clamp(54px, 8vw, 92px); letter-spacing: -.06em; line-height: .98; }
.hero-subtitle { margin: 0 0 18px; color: var(--primary); font-size: clamp(22px, 3vw, 34px); font-weight: 800; }
.hero-lead { max-width: 730px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.mini-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 26px 0 0; list-style: none; }
.mini-points li { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid var(--border); color: var(--title); font-size: 14px; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 9% 5%; border-radius: 42px; background: linear-gradient(145deg, rgba(91,108,255,.18), rgba(0,212,255,.13)); transform: rotate(5deg); }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 560px; object-fit: contain; filter: drop-shadow(0 28px 38px rgba(25,43,91,.2)); }
.floating-chip { position: absolute; z-index: 2; padding: 10px 14px; border-radius: 15px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); color: var(--title); font-weight: 700; font-size: 13px; }
.chip-one { top: 13%; left: -2%; }.chip-two { right: -2%; bottom: 20%; }.chip-three { left: 6%; bottom: 7%; }
.highlight-bar { margin-top: -28px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.highlight-item { padding: 24px; }
.highlight-item + .highlight-item { border-left: 1px solid var(--border); }
.highlight-item h3 { margin: 0 0 6px; color: var(--title); font-size: 18px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; min-height: 110px; padding: 18px 20px; border-radius: 18px; background: #fff; border: 1px solid var(--border); text-decoration: none; }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 5px; }
.channel-pill span { display: block; color: var(--muted); font-size: 14px; }
.channel-pill:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-grid, .split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.feature-media-card { overflow: hidden; padding: 0; }
.feature-media-card img { width: 100%; max-height: 420px; object-fit: contain; background: linear-gradient(135deg,#EEF2FF,#EAF7FF); }
.feature-media-card .card-copy { padding: 28px; }
.feature-media-card h3, .zone-card h3 { color: var(--title); font-size: 26px; margin: 0 0 12px; }
.feature-media-card p, .zone-card p { color: var(--muted); }
.zone-card { padding: 30px; overflow: hidden; }
.zone-card img { width: 100%; max-height: 300px; object-fit: contain; border-radius: 18px; background: #F5F7FF; margin-bottom: 22px; }
.service-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.service-list li { position: relative; padding-left: 22px; color: var(--muted); }
.service-list li::before { content: ""; position: absolute; left: 0; top: .7em; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg,var(--primary),var(--cyan)); }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.info-card { padding: 28px; }
.info-card h3 { margin: 8px 0 12px; color: var(--title); font-size: 22px; }
.info-card p { margin: 0; color: var(--muted); }
.card-index { color: var(--gold); font-weight: 900; letter-spacing: .12em; }
.safety-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 46px; }
.safety-media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.safety-media img { border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.safety-copy h2 { color: var(--title); font-size: clamp(32px,4vw,50px); line-height: 1.15; margin: 10px 0 16px; }
.safety-copy p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 26px; }
.review-card p { margin: 0 0 16px; color: var(--ink); }
.review-card footer { color: var(--muted); font-size: 14px; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 50px; align-items: start; }
.faq-list { display: grid; gap: 14px; }
.faq-item { border-radius: 18px; border: 1px solid var(--border); background: #fff; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 20px 24px; color: var(--title); font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0; padding: 0 24px 22px; color: var(--muted); }
.compliance-strip { padding: 46px 0; background: linear-gradient(135deg,#11182F,#16213E); color: #EEF2FF; }
.compliance-inner { display: grid; grid-template-columns: .8fr 1.4fr auto; gap: 34px; align-items: center; }
.compliance-inner h2 { color: #fff; font-size: 28px; margin: 6px 0 0; }
.compliance-inner p { margin: 0; color: #C9D3ED; }
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.about-preview img { border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.about-preview h2 { color: var(--title); font-size: clamp(34px,4vw,52px); line-height: 1.15; }
.about-preview p { color: var(--muted); }
.inner-hero { padding: 82px 0 72px; background: radial-gradient(circle at 14% 25%, rgba(122,92,255,.16), transparent 32%), radial-gradient(circle at 86% 12%, rgba(0,212,255,.15), transparent 27%), linear-gradient(145deg,#FAF7FF,#EDF8FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 56px; }
.inner-hero-copy h1 { color: var(--title); font-size: clamp(46px,7vw,74px); line-height: 1.04; letter-spacing: -.05em; margin: 12px 0 18px; }
.inner-hero-media { position: relative; min-height: 430px; display: grid; place-items: center; }
.inner-hero-media img { position: relative; z-index: 1; width: 100%; max-height: 460px; object-fit: contain; filter: drop-shadow(0 28px 38px rgba(25,43,91,.2)); }
.media-orbit { position: absolute; width: 82%; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(91,108,255,.25); box-shadow: inset 0 0 0 42px rgba(255,255,255,.35); }
.editorial-grid { display: grid; grid-template-columns: 1.28fr .72fr; gap: 48px; align-items: start; }
.editorial-copy h2 { font-size: clamp(34px,4vw,52px); }
.editorial-copy p { color: var(--muted); font-size: 16px; }
.note-panel { position: sticky; top: 104px; padding: 28px; border-radius: 24px; background: #11182F; color: #EEF2FF; box-shadow: var(--shadow); }
.note-label { color: var(--gold); font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.note-panel h3 { color: #fff; font-size: 24px; margin: 10px 0; }
.note-panel p { color: #C9D3ED; }
.note-panel .text-link { color: var(--cyan); }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step-card { padding: 26px; }
.step-card > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: #EEF2FF; color: var(--primary); font-weight: 900; }
.step-card h3 { color: var(--title); margin: 16px 0 8px; }
.step-card p { margin: 0; color: var(--muted); }
.dark-band { background: #0B1024; color: #EEF2FF; }
.quote-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; align-items: center; }
.quote-layout h2 { color: #fff; font-size: 34px; margin: 8px 0 0; }
.quote-layout blockquote { margin: 0; padding: 34px; border-radius: 24px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); color: #fff; font-size: 20px; line-height: 1.8; }
.footer-cta { padding: 60px 0; background: linear-gradient(135deg,#5B6CFF,#7A5CFF 52%,#00AFCF); color: #fff; }
.footer-cta-inner { display: grid; grid-template-columns: 1.25fr auto; gap: 40px; align-items: center; }
.footer-cta h2 { color: #fff; font-size: clamp(30px,4vw,46px); }
.footer-cta p { margin: 0; color: rgba(255,255,255,.86); }
.footer-cta .section-kicker { color: #FFF4D6; }
.footer-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.footer-cta .main-btn { background: #fff; color: var(--primary); }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 68px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 42px; }
.footer-brand p { color: #AEB9D5; max-width: 430px; }
.footer-grid h3 { color: #fff; font-size: 16px; margin: 0 0 16px; }
.footer-grid > div:not(.footer-brand) a { display: block; color: #AEB9D5; text-decoration: none; margin: 9px 0; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 28px; margin-top: 38px; border-top: 1px solid rgba(255,255,255,.1); color: #8F9AB7; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #AEB9D5; text-decoration: none; margin-left: 18px; }
.mobile-bottom-nav { display: none; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } .reveal { opacity: 1; transform: none; transition: none; } }
@media (max-width: 1080px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 8px; font-size: 14px; }
    .hero-grid, .inner-hero-grid { gap: 34px; }
    .highlight-grid { grid-template-columns: 1fr 1fr; }
    .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .highlight-item:nth-child(4) { border-top: 1px solid var(--border); }
    .review-grid { grid-template-columns: 1fr 1fr; }
    .compliance-inner { grid-template-columns: 1fr 1.4fr; }
    .compliance-inner .ghost-btn { grid-column: 1 / -1; justify-self: start; }
}
@media (max-width: 860px) {
    .header-inner { min-height: 66px; gap: 12px; }
    .nav-core, .desktop-menu { display: none; }
    .mobile-only { display: inline-flex; }
    .site-logo strong { display: none; }
    .header-actions .main-btn { min-height: 38px; padding-inline: 14px; }
    .hero, .inner-hero { padding-top: 58px; }
    .hero-grid, .inner-hero-grid, .feature-grid, .split-grid, .safety-grid, .about-preview, .editorial-grid, .faq-layout, .quote-layout { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .hero-lead { margin-inline: auto; }
    .hero-actions, .mini-points { justify-content: center; }
    .hero-visual { min-height: 400px; }
    .three-grid, .steps-grid { grid-template-columns: 1fr 1fr; }
    .note-panel { position: static; }
    .footer-cta-inner, .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-cta-actions { justify-content: flex-start; }
}
@media (max-width: 620px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { width: calc(100% - 20px); }
    .site-logo img { max-width: 112px; max-height: 38px; }
    .section-block { padding: 68px 0; }
    .hero { padding-bottom: 62px; }
    .hero-copy h1 { font-size: 54px; }
    .hero-subtitle { font-size: 23px; }
    .hero-lead { font-size: 15px; }
    .hero-visual { min-height: 330px; }
    .floating-chip { font-size: 11px; }
    .highlight-bar { margin-top: -18px; }
    .highlight-grid, .three-grid, .steps-grid, .review-grid, .footer-cta-inner, .footer-grid, .safety-media { grid-template-columns: 1fr; }
    .highlight-item + .highlight-item { border-left: 0; border-top: 1px solid var(--border); }
    .drawer-nav { grid-template-columns: 1fr; }
    .compliance-inner { grid-template-columns: 1fr; }
    .compliance-inner .ghost-btn { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom a { margin: 0 14px 0 0; }
    .mobile-bottom-nav { position: fixed; z-index: 9000; left: 12px; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(4,1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.94); box-shadow: 0 16px 40px rgba(5,10,30,.28); backdrop-filter: blur(10px); }
    .mobile-bottom-nav a { display: grid; justify-items: center; gap: 2px; color: #EEF2FF; text-decoration: none; font-size: 11px; }
    .mobile-bottom-nav span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 10px; background: rgba(255,255,255,.1); font-weight: 800; }
    body { padding-bottom: 84px; }
    .inner-hero-media { min-height: 300px; }
    .inner-hero-copy h1 { font-size: 46px; }
    .quote-layout blockquote { padding: 24px; font-size: 17px; }
}