:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --soft-blue: #EAF7FF;
    --violet: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --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%);
    --footer: #0B1024;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; }
.compact-section { padding-top: 28px; padding-bottom: 92px; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(245,247,255,.96)); }
.section-dark { color: #EEF2FF; background: radial-gradient(circle at top right, rgba(0,212,255,.13), transparent 32%), linear-gradient(135deg, #10172F, #0B1024); }
.section-dark .section-title { color: #FFFFFF; }
.section-title { margin: 8px 0 18px; color: var(--title); font-size: clamp(30px, 4vw, 48px); line-height: 1.18; letter-spacing: -.03em; }
.section-kicker, .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .14em; }
.section-kicker::before, .eyebrow::before { content: ""; width: 24px; height: 2px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--cyan)); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.section-head > p { max-width: 520px; margin: 0 0 10px; color: var(--muted); }
.light-head > p { color: rgba(238,242,255,.72); }
.section-summary { color: var(--muted); }
.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: 800; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #FFFFFF; background: var(--gradient); box-shadow: 0 14px 32px rgba(91,108,255,.24); }
.main-btn:hover, .ghost-btn:hover { transform: translateY(-2px); }
.ghost-btn { color: var(--title); border: 1px solid var(--border); background: rgba(255,255,255,.74); }
.ghost-btn.light { color: #FFFFFF; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.09); }
.text-link { color: var(--primary); font-weight: 800; text-decoration: none; }
.text-link::after { content: " →"; }
.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,.16); }
.header-inner { width: min(1280px, calc(100% - 40px)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #FFFFFF; font-weight: 900; text-decoration: none; white-space: nowrap; }
.site-logo img { width: 42px; max-height: 44px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 14px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #FFFFFF; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-cta { min-height: 42px; padding: 0 18px; font-size: 14px; }
.menu-toggle { width: 44px; height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: rgba(255,255,255,.08); cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 999px; background: #FFFFFF; }
.mobile-header { display: none; }
.mobile-cta { min-height: 38px; padding: 0 14px; font-size: 12px; }
.mobile-logo img { width: 34px; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,24,.58); opacity: 0; visibility: hidden; transition: .25s ease; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 92vw); height: 100dvh; padding: 24px; overflow-y: auto; background: #FFFFFF; transform: translateX(102%); transition: transform .28s ease; box-shadow: -24px 0 60px rgba(11,16,36,.24); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-head .site-logo { color: var(--title); }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; color: var(--title); background: var(--soft-blue); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 26px 0 18px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 13px 14px; border: 1px solid var(--border); border-radius: 14px; color: var(--title); text-decoration: none; background: #FFFFFF; }
.drawer-nav a:hover { color: var(--primary); background: var(--soft-blue); }
.drawer-note { margin-top: 22px; padding: 16px; border-radius: 16px; color: var(--muted); background: #F5F7FF; font-size: 13px; }
.home-hero { position: relative; padding: 82px 0 76px; overflow: hidden; background: linear-gradient(135deg, #F8F3FF 0%, #EAF7FF 48%, #FFF7FC 100%); }
.home-hero-grid, .inner-hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 64px; }
.home-hero-copy h1 { margin: 18px 0 0; color: var(--title); font-size: clamp(64px, 9vw, 104px); line-height: .95; letter-spacing: -.07em; }
.home-hero-copy h2 { margin: 18px 0 22px; color: var(--deep); font-size: clamp(28px, 4vw, 46px); line-height: 1.2; }
.home-hero-copy p { max-width: 700px; margin: 0; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-points span, .mini-feature-row span { padding: 8px 13px; border-radius: 999px; color: var(--primary); background: rgba(255,255,255,.72); border: 1px solid var(--border); font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 2%; border-radius: 48% 52% 55% 45%; background: linear-gradient(135deg, rgba(91,108,255,.23), rgba(0,212,255,.18), rgba(217,79,112,.12)); }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 540px; }
.floating-card { position: absolute; z-index: 2; width: 210px; padding: 15px 16px; border: 1px solid rgba(255,255,255,.7); border-radius: 18px; background: rgba(255,255,255,.86); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.floating-card strong, .floating-card span { display: block; }
.floating-card strong { color: var(--title); }
.floating-card span { color: var(--muted); font-size: 12px; }
.floating-top { top: 42px; right: -8px; }
.floating-bottom { left: -6px; bottom: 36px; }
.hero-orb { position: absolute; border-radius: 50%; opacity: .65; }
.orb-one { width: 260px; height: 260px; left: -100px; top: -80px; background: rgba(122,92,255,.16); }
.orb-two { width: 200px; height: 200px; right: -60px; bottom: -80px; background: rgba(0,212,255,.18); }
.highlight-strip { position: relative; z-index: 4; margin-top: -24px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--border); border-radius: 24px; background: #FFFFFF; box-shadow: var(--shadow); }
.highlight-grid article { display: flex; gap: 14px; padding: 24px; }
.highlight-grid article + article { border-left: 1px solid var(--border); }
.highlight-grid article > span { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #FFFFFF; background: var(--gradient); font-size: 12px; font-weight: 800; }
.highlight-grid h3 { margin: 0 0 6px; color: var(--title); font-size: 16px; }
.highlight-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.capsule-section { padding-top: 70px; }
.capsule-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.capsule-grid a { min-height: 116px; padding: 18px; border: 1px solid var(--border); border-radius: 20px; color: var(--text); text-decoration: none; background: rgba(255,255,255,.78); transition: .2s ease; }
.capsule-grid a:hover { transform: translateY(-4px); background: #FFFFFF; box-shadow: var(--shadow); }
.capsule-grid strong, .capsule-grid span { display: block; }
.capsule-grid strong { color: var(--title); margin-bottom: 7px; }
.capsule-grid span { color: var(--muted); font-size: 12px; }
.feature-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 72px; }
.feature-grid.reverse { grid-template-columns: 1.05fr .95fr; }
.feature-copy p { color: var(--muted); font-size: 16px; }
.feature-media { position: relative; min-height: 420px; display: flex; align-items: center; justify-content: center; }
.feature-media img { width: 100%; max-height: 470px; position: relative; z-index: 1; }
.layered-media::before, .layered-media::after { content: ""; position: absolute; border-radius: 30px; transform: rotate(-7deg); }
.layered-media::before { inset: 8% 14%; background: linear-gradient(145deg, rgba(91,108,255,.2), rgba(0,212,255,.16)); }
.layered-media::after { inset: 17% 8%; transform: rotate(7deg); border: 1px solid rgba(91,108,255,.18); background: rgba(255,255,255,.6); }
.mini-feature-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.trio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.zone-card, .info-card, .service-card, .review-card, .notice-card, .faq-item { background: #FFFFFF; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.zone-card { overflow: hidden; }
.zone-card > img { width: 100%; height: 260px; padding: 18px; background: linear-gradient(135deg, #EFF8FF, #F6F0FF); }
.zone-card > div { padding: 28px; }
.zone-card h3, .info-card h3, .service-card h3 { margin: 8px 0 10px; color: var(--title); font-size: 23px; }
.zone-card p, .info-card p, .service-card p { color: var(--muted); }
.zone-card ul { margin: 16px 0; padding-left: 20px; color: var(--muted); }
.zone-tag, .info-card > span { color: var(--primary); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.horizontal-card { display: grid; grid-template-columns: 42% 58%; align-items: stretch; }
.horizontal-card > img { height: 100%; min-height: 320px; }
.info-card { padding: 20px; }
.info-card img { width: 100%; height: 220px; margin-bottom: 18px; border-radius: 16px; background: linear-gradient(135deg, #EFF8FF, #FFF4F7); }
.security-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.security-copy p { color: rgba(238,242,255,.76); }
.security-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.security-links a { color: #FFFFFF; text-decoration: none; padding: 9px 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; }
.security-media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.security-media img { min-height: 300px; border-radius: 22px; background: rgba(255,255,255,.07); }
.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.home-reviews { grid-template-columns: repeat(3, 1fr); }
.review-card { margin: 0; padding: 24px; }
.section-dark .review-card { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.13); box-shadow: none; }
.review-card p { margin: 0 0 18px; color: var(--text); }
.section-dark .review-card p { color: #FFFFFF; }
.review-card footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
.section-dark .review-card footer { color: rgba(238,242,255,.66); }
.review-card footer strong { color: var(--title); }
.section-dark .review-card footer strong { color: #FFFFFF; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 64px; align-items: start; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 0 22px; box-shadow: none; }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 28px 20px 0; color: var(--title); font-weight: 800; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 18px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: var(--primary); background: var(--soft-blue); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0; padding: 0 0 20px; color: var(--muted); }
.compliance-banner { display: grid; grid-template-columns: .8fr 1.2fr auto; align-items: center; gap: 30px; padding: 34px; border-radius: 28px; color: #FFFFFF; background: linear-gradient(135deg, #4D5BDE, #7A5CFF 55%, #0AA9D2); box-shadow: 0 24px 60px rgba(91,108,255,.25); }
.compliance-banner h2 { margin: 8px 0 0; color: #FFFFFF; font-size: 26px; line-height: 1.3; }
.compliance-banner .section-kicker { color: #FFFFFF; }
.compliance-banner p { margin: 0; color: rgba(255,255,255,.86); }
.inner-hero { padding: 74px 0 64px; background: linear-gradient(135deg, #F8F3FF, #EAF7FF 55%, #FFF7FC); }
.inner-hero-copy h1 { margin: 16px 0 20px; color: var(--title); font-size: clamp(42px, 6vw, 68px); line-height: 1.1; letter-spacing: -.045em; }
.inner-hero-copy > p { color: var(--muted); font-size: 18px; }
.inner-hero-media { position: relative; min-height: 430px; display: flex; align-items: center; justify-content: center; }
.inner-hero-media img { position: relative; z-index: 1; max-height: 440px; }
.media-glow { position: absolute; inset: 12%; border-radius: 50%; background: radial-gradient(circle, rgba(91,108,255,.24), rgba(0,212,255,.12) 52%, transparent 70%); filter: blur(6px); }
.prose-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 72px; }
.rich-copy p { margin-top: 0; color: var(--muted); font-size: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card { padding: 24px; }
.service-index { width: 38px; height: 38px; display: grid; place-items: center; color: #FFFFFF; border-radius: 50%; background: var(--gradient); font-size: 12px; font-weight: 900; }
.split-panel { display: grid; grid-template-columns: 1.18fr .82fr; gap: 56px; align-items: start; }
.steps-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 22px; }
.steps-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
.steps-list li > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; color: #FFFFFF; background: var(--gradient); font-weight: 900; }
.steps-list h3 { margin: 0 0 4px; color: var(--title); }
.steps-list p { margin: 0; color: var(--muted); }
.notice-card { padding: 30px; background: linear-gradient(160deg, #FFFFFF, #EFF8FF); }
.notice-label { color: var(--rose); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.notice-card h3 { margin: 10px 0; color: var(--title); font-size: 28px; line-height: 1.3; }
.notice-card p { color: var(--muted); }
.notice-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.notice-links a { padding: 8px 12px; border-radius: 999px; color: var(--primary); background: rgba(91,108,255,.08); text-decoration: none; font-weight: 700; }
.faq-page-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: 50px; align-items: start; }
.faq-side { position: sticky; top: 110px; padding: 30px; border-radius: 24px; color: #FFFFFF; background: linear-gradient(145deg, #11182F, #16213E); }
.faq-side h2 { margin: 12px 0; font-size: 30px; line-height: 1.3; }
.faq-side p { color: rgba(238,242,255,.72); }
.faq-side .notice-links a { color: #FFFFFF; background: rgba(255,255,255,.1); }
.site-footer { padding: 70px 0 22px; color: #EEF2FF; background: var(--footer); }
.footer-main { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.footer-brand p { max-width: 420px; color: rgba(238,242,255,.64); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.footer-links h3 { margin: 0 0 14px; color: #FFFFFF; font-size: 15px; }
.footer-links a { display: block; margin: 8px 0; color: rgba(238,242,255,.67); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: #FFFFFF; }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; margin-top: 54px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(238,242,255,.52); font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(238,242,255,.72); text-decoration: none; margin-left: 16px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1100px) {
    .nav-core { gap: 0; }
    .nav-core a { padding: 8px 9px; }
    .home-hero-grid, .inner-hero-grid { gap: 34px; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .highlight-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .highlight-grid article:nth-child(4) { border-top: 1px solid var(--border); }
    .capsule-grid { grid-template-columns: repeat(3, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .home-reviews { grid-template-columns: repeat(2, 1fr); }
    .compliance-banner { grid-template-columns: 1fr 1.2fr; }
    .compliance-banner > a { grid-column: 1 / -1; justify-self: start; }
}
@media (max-width: 860px) {
    .desktop-header { display: none; }
    .mobile-header { display: flex; min-height: 64px; width: min(100% - 24px, 760px); }
    .mobile-header .menu-toggle { order: 1; }
    .mobile-logo { order: 2; position: absolute; left: 50%; transform: translateX(-50%); }
    .mobile-cta { order: 3; margin-left: auto; }
    .section { padding: 70px 0; }
    .compact-section { padding-top: 20px; padding-bottom: 80px; }
    .home-hero { padding-top: 60px; }
    .home-hero-grid, .inner-hero-grid, .feature-grid, .feature-grid.reverse, .security-grid, .prose-grid, .split-panel, .faq-layout, .faq-page-grid, .footer-main { grid-template-columns: 1fr; }
    .home-hero-copy { text-align: center; }
    .home-hero-copy p { margin-inline: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { min-height: 420px; }
    .floating-card { display: none; }
    .section-head { align-items: start; flex-direction: column; gap: 6px; }
    .feature-grid.reverse .feature-copy { order: 2; }
    .feature-grid.reverse .feature-media { order: 1; }
    .feature-media { min-height: 340px; }
    .duo-grid, .trio-grid { grid-template-columns: 1fr; }
    .horizontal-card { grid-template-columns: 1fr; }
    .horizontal-card > img { min-height: 260px; }
    .security-media img { min-height: 240px; }
    .faq-side { position: static; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .shell { width: min(100% - 28px, 560px); }
    .section { padding: 58px 0; }
    .section-title { font-size: 34px; }
    .home-hero-copy h1 { font-size: 62px; }
    .home-hero-copy h2 { font-size: 30px; }
    .home-hero-copy p, .inner-hero-copy > p { font-size: 15px; }
    .hero-visual { min-height: 330px; }
    .highlight-strip { margin-top: -12px; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-grid article + article, .highlight-grid article:nth-child(3), .highlight-grid article:nth-child(4) { border-left: 0; border-top: 1px solid var(--border); }
    .capsule-grid, .service-grid, .review-grid, .home-reviews { grid-template-columns: 1fr; }
    .capsule-grid a { min-height: auto; }
    .zone-card > img { height: 220px; }
    .security-media { grid-template-columns: 1fr; }
    .security-media img { min-height: 220px; }
    .compliance-banner { grid-template-columns: 1fr; padding: 26px; }
    .inner-hero { padding-top: 54px; }
    .inner-hero-copy { text-align: center; }
    .inner-hero-copy .hero-actions { justify-content: center; }
    .inner-hero-media { min-height: 300px; }
    .notice-card { padding: 24px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom a { margin: 0 14px 0 0; }
    body { padding-bottom: 72px; }
    .mobile-bottom-nav { position: fixed; left: 12px; right: 12px; bottom: 10px; z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px 6px calc(8px + env(safe-area-inset-bottom)); border: 1px solid rgba(91,108,255,.14); border-radius: 20px; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); box-shadow: 0 12px 34px rgba(25,43,91,.2); }
    .mobile-bottom-nav a { display: grid; place-items: center; gap: 2px; color: var(--muted); text-decoration: none; font-size: 11px; }
    .mobile-bottom-nav span { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; color: #FFFFFF; background: var(--gradient); font-size: 11px; font-weight: 900; }
}