:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --neon: #00D4FF;
    --gold: #FFC857;
    --red: #D94F70;
    --light-blue: #EAF7FF;
    --light-gold: #FFF4D6;
    --highlight: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --border: rgba(91,108,255,0.18);
    --shadow: 0 20px 46px rgba(25,43,91,0.14);
    --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
    --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; object-fit: contain; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--highlight); }
button, input, textarea, select { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; background: white; padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--nav); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,0.16); }
.header-inner { max-width: 1280px; min-height: 72px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: white; font-size: 1.35rem; letter-spacing: .04em; flex: 0 0 auto; }
.site-logo img { width: 42px; height: 42px; max-height: 44px; border-radius: 12px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .95rem; }
.nav-core a:hover, .nav-core a.active { color: #FFFFFF; background: rgba(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.main-btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 24px; border-radius: 999px; background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,0.22); font-weight: 700; border: 0; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: white; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,0.3); }
.compact-btn { min-height: 42px; padding: 0 18px; font-size: .92rem; }
.ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 999px; background: white; color: var(--brand); border: 1px solid var(--border); font-weight: 700; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; border-radius: 4px; background: #fff; }
.menu-toggle-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,10,28,.54); opacity: 0; transition: opacity .25s ease; }
.drawer-overlay.visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100vh; padding: 24px; background: #fff; box-shadow: -20px 0 60px rgba(12,18,40,.24); transform: translateX(105%); transition: transform .28s 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: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--light-blue); color: var(--title); font-size: 1.7rem; cursor: pointer; }
.drawer-nav { display: grid; gap: 7px; padding: 18px 0; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 14px; color: var(--text); }
.drawer-nav a:hover, .drawer-nav a.active { background: var(--light-blue); color: var(--brand); }
.drawer-note { border-radius: 18px; background: linear-gradient(135deg, #EEF0FF, #EAFBFF); padding: 18px; color: var(--muted); }
.drawer-note strong { color: var(--title); }
.drawer-note p { margin: 6px 0 0; font-size: .9rem; }
main { min-height: 60vh; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section-tight { padding: 54px 0; }
.section-alt { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(245,247,255,0)); }
.section-dark { background: var(--deep); color: #E8EEFF; }
.section-dark h2, .section-dark h3 { color: white; }
.section-kicker { margin: 0 0 8px; color: var(--brand); font-weight: 800; letter-spacing: .12em; font-size: .82rem; text-transform: uppercase; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.24; }
h1 { font-size: clamp(2.7rem, 7vw, 5.6rem); margin: 0 0 18px; letter-spacing: -.04em; }
h2 { font-size: clamp(1.85rem, 4vw, 3rem); margin: 0 0 18px; }
h3 { font-size: 1.25rem; margin: 0 0 10px; }
p { margin: 0 0 16px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.24rem); color: var(--muted); max-width: 760px; }
.muted { color: var(--muted); }
.hero { position: relative; overflow: hidden; padding: 76px 0 74px; background: radial-gradient(circle at 12% 12%, rgba(122,92,255,.18), transparent 32%), radial-gradient(circle at 90% 18%, rgba(0,212,255,.19), transparent 28%), linear-gradient(135deg, #F3EFFF 0%, #F5F7FF 46%, #EAFBFF 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 240px; height: 240px; left: -100px; bottom: -70px; background: rgba(255,200,87,.2); }
.hero::after { width: 180px; height: 180px; right: 8%; top: 6%; background: rgba(217,79,112,.11); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero-copy .eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid var(--border); color: var(--brand); font-weight: 700; margin-bottom: 18px; }
.hero-copy h1 span { display: block; font-size: clamp(1.55rem, 3.3vw, 2.65rem); color: var(--highlight); letter-spacing: -.02em; margin-top: 10px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 8px 12px; background: rgba(255,255,255,.8); border: 1px solid var(--border); border-radius: 999px; color: var(--muted); }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 8% -2% -4% 8%; border-radius: 32px; background: var(--gradient); opacity: .2; filter: blur(30px); }
.hero-visual img { position: relative; width: 100%; max-height: 580px; object-fit: contain; border-radius: 30px; filter: drop-shadow(0 30px 50px rgba(25,43,91,.2)); }
.highlight-strip { margin-top: -24px; position: relative; z-index: 2; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { background: rgba(255,255,255,.94); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 20px; padding: 22px; }
.highlight-item b { display: block; color: var(--title); margin-bottom: 6px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: .93rem; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-nav a { flex: 1 1 200px; min-width: 0; border-radius: 18px; background: white; border: 1px solid var(--border); padding: 14px 16px; box-shadow: 0 12px 26px rgba(25,43,91,.08); color: var(--text); }
.pill-nav strong { display: block; color: var(--brand); margin-bottom: 4px; }
.pill-nav span { color: var(--muted); font-size: .9rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.split.reverse .media { order: 2; }
.media-frame { border-radius: 28px; padding: 16px; background: linear-gradient(135deg, rgba(91,108,255,.12), rgba(0,212,255,.1)); border: 1px solid var(--border); box-shadow: var(--shadow); }
.media-frame img { width: 100%; max-height: 520px; border-radius: 20px; object-fit: contain; background: #fff; }
.mini-media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.mini-media-row.single { grid-template-columns: 1fr; }
.mini-media-row img { max-height: 220px; width: 100%; object-fit: contain; }
.card, .zone-card, .info-card, .review-card { background: #FFFFFF; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.zone-card, .info-card { overflow: hidden; }
.zone-card img, .info-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg, #EEF0FF, #EAFBFF); }
.card-body { padding: 24px; }
.card-body p:last-child { margin-bottom: 0; }
.service-list { display: grid; gap: 10px; padding: 0; margin: 18px 0; list-style: none; }
.service-list li { position: relative; padding-left: 22px; color: var(--muted); }
.service-list li::before { content: ""; width: 9px; height: 9px; position: absolute; left: 0; top: .7em; border-radius: 50%; background: var(--gradient); }
.text-link { font-weight: 800; color: var(--brand); }
.text-link::after { content: " →"; }
.security-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; padding: 32px; border-radius: 28px; background: linear-gradient(135deg, #11182F 0%, #16213E 60%, #263064 100%); color: #E8EEFF; box-shadow: var(--shadow); }
.security-panel h2, .security-panel h3 { color: white; }
.security-images { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-self: center; }
.security-images img { border-radius: 18px; background: white; padding: 6px; max-height: 280px; width: 100%; }
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 22px; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--title); }
.stars { color: var(--gold); letter-spacing: .1em; }
.faq-list { display: grid; gap: 14px; }
details { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 0 20px; box-shadow: 0 10px 24px rgba(25,43,91,.07); }
summary { cursor: pointer; padding: 18px 0; color: var(--title); font-weight: 800; }
details p { padding: 0 0 18px; color: var(--muted); }
.notice { border-radius: 24px; padding: 28px; background: linear-gradient(135deg, #FFF4D6, #F1EEFF 55%, #EAFBFF); border: 1px solid rgba(255,200,87,.35); }
.notice h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.page-hero { padding: 68px 0; background: radial-gradient(circle at 15% 20%, rgba(122,92,255,.16), transparent 34%), radial-gradient(circle at 88% 15%, rgba(0,212,255,.15), transparent 30%), linear-gradient(135deg, #F5F1FF, #F5F7FF 55%, #EAFBFF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.page-hero h1 { font-size: clamp(2.35rem, 6vw, 4.5rem); }
.page-hero img { max-height: 480px; width: 100%; border-radius: 26px; filter: drop-shadow(0 24px 46px rgba(25,43,91,.18)); }
.page-section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.content-block { padding: 28px; }
.content-block p { color: var(--muted); }
.quote { border-left: 4px solid var(--brand); padding: 18px 20px; background: var(--light-blue); border-radius: 0 16px 16px 0; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; padding: 0; list-style: none; }
.steps li { counter-increment: step; padding: 18px 18px 18px 64px; position: relative; border-radius: 18px; background: white; border: 1px solid var(--border); }
.steps li::before { content: counter(step); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--gradient); color: white; font-weight: 800; }
.service-table { width: 100%; border-collapse: collapse; background: white; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.service-table th, .service-table td { padding: 15px 17px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.service-table th { color: var(--title); background: var(--light-blue); }
.service-table td { color: var(--muted); }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 62px 0 18px; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; }
.footer-brand p { color: #B8C2E0; max-width: 460px; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-links h2 { color: white; font-size: 1rem; margin-bottom: 12px; }
.footer-links a { display: block; color: #B8C2E0; padding: 4px 0; }
.footer-links a:hover { color: white; }
.footer-bottom { width: min(1180px, calc(100% - 40px)); margin: 40px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 20px; color: #8F9BBC; font-size: .88rem; }
.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1020px) {
    .nav-core { display: none; }
    .menu-toggle-mobile { display: inline-flex; }
    .menu-toggle-desktop { display: none; }
    .header-inner { display: grid; grid-template-columns: 1fr auto 1fr; }
    .header-actions { justify-content: flex-end; }
    .hero-grid, .page-hero-grid, .split, .security-panel { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual img { max-height: 500px; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .cards-3, .reviews { grid-template-columns: repeat(2, 1fr); }
    .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .page-section-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    body { padding-bottom: 70px; }
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { min-height: 64px; padding: 0 14px; gap: 8px; }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .compact-btn { min-height: 38px; padding: 0 13px; font-size: .82rem; }
    .menu-toggle { width: 38px; height: 38px; }
    .hero { padding: 52px 0 56px; }
    .hero-grid { gap: 30px; }
    .hero-copy h1 span { margin-top: 8px; }
    .highlight-strip { margin-top: -14px; }
    .highlight-grid, .cards-2, .cards-3, .cards-4, .reviews, .security-images { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
    .section-tight { padding: 42px 0; }
    .pill-nav a { flex-basis: 100%; }
    .footer-inner { grid-template-columns: 1fr; gap: 34px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; min-height: 62px; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(11,16,36,.96); backdrop-filter: blur(12px); box-shadow: 0 -8px 24px rgba(25,43,91,.18); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; color: #EEF2FF; font-size: .76rem; line-height: 1.2; }
    .mobile-bottom-nav span { font-size: 1.1rem; margin-bottom: 3px; }
    .page-hero { padding: 52px 0; }
    .content-block { padding: 22px; }
    .service-table { font-size: .9rem; }
}
@media (max-width: 420px) {
    .header-inner { grid-template-columns: 42px 1fr auto; }
    .site-logo { justify-self: center; }
    .hero-actions .main-btn, .hero-actions .ghost-btn { width: 100%; }
    .footer-links { grid-template-columns: 1fr; }
}