:root {
    --page: #F5F7FF;
    --ink: #1F2740;
    --heading: #131A35;
    --muted: #66708A;
    --soft: #9AA4BA;
    --brand: #5B6CFF;
    --brand-2: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --pink: #D94F70;
    --navy: #16213E;
    --footer: #0B1024;
    --card: #FFFFFF;
    --line: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
    --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20000; padding: 10px 16px; background: #fff; color: var(--heading); border-radius: 10px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(14px); box-shadow: 0 8px 26px rgba(25,43,91,.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, .drawer-brand, .footer-logo { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; letter-spacing: .03em; }
.site-logo { color: #fff; flex: 0 0 auto; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 13px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 4px; margin-left: auto; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; transition: .2s ease; }
.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 { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; color: #fff; font-weight: 700; text-decoration: none; border-radius: 999px; background: var(--gradient); box-shadow: 0 14px 32px rgba(91,108,255,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.menu-toggle, .drawer-close { border: 0; cursor: pointer; }
.menu-toggle { width: 44px; height: 44px; padding: 11px; border-radius: 14px; background: rgba(255,255,255,.1); display: flex; flex-direction: column; justify-content: center; gap: 5px; }
.menu-toggle span { height: 2px; width: 100%; background: #fff; border-radius: 2px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(5,9,24,.56); opacity: 0; transition: opacity .24s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; right: 0; top: 0; z-index: 10001; width: min(420px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(10,17,42,.28); transform: translateX(105%); transition: transform .26s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { color: var(--heading); }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.drawer-close { width: 42px; height: 42px; color: var(--heading); background: #EEF1FF; border-radius: 14px; font-size: 28px; line-height: 1; }
.drawer-intro { margin: 20px 0; color: var(--muted); }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; text-decoration: none; background: #F5F7FF; border: 1px solid var(--line); border-radius: 14px; color: var(--heading); font-weight: 650; }
.drawer-nav a:hover { border-color: rgba(91,108,255,.55); color: var(--brand); }
.drawer-note { margin-top: 18px; padding: 16px; background: #FFF8E8; border-radius: 16px; }
.drawer-note p { margin: 4px 0 0; color: #75613e; font-size: .92rem; }
main { display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--brand); font-size: .9rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 28px; height: 3px; border-radius: 99px; background: var(--gradient); }
h1,h2,h3,.section-title { margin-top: 0; color: var(--heading); line-height: 1.25; }
h1 { font-size: clamp(2.35rem, 6vw, 5.3rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.85rem, 3.8vw, 3.1rem); letter-spacing: -.025em; }
h3 { font-size: 1.2rem; }
p { margin-top: 0; }
.lead { font-size: clamp(1.03rem, 2vw, 1.2rem); color: var(--muted); }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card, .faq-item, .content-panel { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero { position: relative; overflow: hidden; padding: 88px 0 70px; background: radial-gradient(circle at 12% 18%, rgba(122,92,255,.16), transparent 31%), radial-gradient(circle at 90% 15%, rgba(0,212,255,.18), transparent 28%), linear-gradient(145deg,#F9F7FF 0%,#EEF8FF 55%,#FFF8FC 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; right: -70px; top: 50px; background: rgba(255,200,87,.16); }
.hero::after { width: 190px; height: 190px; left: -65px; bottom: -40px; background: rgba(217,79,112,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 54px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; margin-bottom: 18px; border: 1px solid rgba(91,108,255,.2); border-radius: 999px; color: var(--brand); background: rgba(255,255,255,.78); font-weight: 750; }
.hero h1 { margin-bottom: 14px; }
.hero-subtitle { display: block; margin-bottom: 18px; font-size: clamp(1.2rem, 2.7vw, 1.8rem); color: var(--brand-2); font-weight: 760; }
.hero-copy { max-width: 690px; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 30px 0 26px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 20px; color: var(--heading); font-weight: 700; text-decoration: none; border: 1px solid rgba(91,108,255,.3); border-radius: 999px; background: rgba(255,255,255,.84); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--heading); font-size: .92rem; }
.hero-visual { position: relative; min-height: 540px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 10% 7%; border-radius: 46px; background: linear-gradient(145deg, rgba(91,108,255,.2), rgba(0,212,255,.12)); transform: rotate(-4deg); }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 560px; object-fit: contain; filter: drop-shadow(0 24px 38px rgba(20,35,86,.2)); }
.floating-card { position: absolute; z-index: 2; padding: 12px 15px; background: rgba(255,255,255,.9); border: 1px solid rgba(91,108,255,.18); border-radius: 16px; box-shadow: 0 16px 36px rgba(25,43,91,.16); backdrop-filter: blur(10px); font-weight: 700; color: var(--heading); }
.floating-card.one { left: 0; top: 18%; }
.floating-card.two { right: 0; bottom: 20%; }
.highlight-strip { position: relative; z-index: 2; margin-top: -24px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; background: rgba(255,255,255,.94); border: 1px solid rgba(91,108,255,.16); border-radius: 26px; box-shadow: var(--shadow); }
.highlight-item { padding: 14px 16px; border-right: 1px solid rgba(91,108,255,.12); }
.highlight-item:last-child { border-right: 0; }
.highlight-item strong { display: block; margin-bottom: 5px; color: var(--heading); }
.highlight-item p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.6; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 200px; min-width: 0; padding: 16px 18px; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 12px 30px rgba(25,43,91,.08); transition: .2s ease; }
.channel-pill:hover { transform: translateY(-3px); border-color: rgba(91,108,255,.5); }
.channel-pill strong { display: block; color: var(--heading); }
.channel-pill span { display: block; margin-top: 4px; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.split { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px; align-items: stretch; }
.content-panel { padding: 30px; overflow: hidden; }
.content-panel.media { display: grid; grid-template-columns: 1fr .9fr; gap: 28px; align-items: center; }
.content-panel img, .zone-card img, .app-section img, .hero-visual img, .page-hero-visual img { display: block; width: 100%; height: auto; object-fit: contain; }
.panel-image { padding: 18px; border-radius: 22px; background: linear-gradient(145deg,#EEF1FF,#EAFBFF); }
.feature-list { display: grid; gap: 12px; margin: 20px 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 28px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--gradient); font-size: .74rem; }
.media-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.media-feature.reverse .media-copy { order: 2; }
.media-feature.reverse .media-art { order: 1; }
.media-art { padding: 22px; background: linear-gradient(145deg,#EEF1FF,#ECFCFF); border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.media-art img { width: 100%; max-height: 480px; object-fit: contain; }
.triple-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.zone-card { padding: 22px; }
.zone-card .image-wrap { min-height: 180px; display: grid; place-items: center; margin-bottom: 20px; padding: 14px; border-radius: 18px; background: #EFF8FF; }
.zone-card img { max-height: 210px; }
.zone-card p { color: var(--muted); }
.safety-band { background: linear-gradient(135deg,#11182F 0%,#17264D 60%,#143C55 100%); color: #EEF2FF; }
.safety-band h2, .safety-band h3 { color: #fff; }
.safety-band .lead, .safety-band p { color: #C8D2EA; }
.safety-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 36px; }
.safety-cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.safety-card { padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.06); }
.safety-card strong { color: #fff; }
.review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; border-radius: 50%; background: var(--gradient); font-weight: 800; }
.review-meta span { color: var(--soft); font-size: .9rem; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 20px 24px; color: var(--heading); font-weight: 750; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--brand); font-size: 1.4rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 24px 22px; color: var(--muted); }
.notice-box { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 24px; border-radius: 22px; background: #FFF8E8; border: 1px solid rgba(255,200,87,.4); }
.notice-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: #fff; color: #9A6A00; font-size: 1.5rem; }
.notice-box h2 { margin-bottom: 8px; font-size: 1.35rem; }
.notice-box p { margin: 0; color: #75613e; }
.page-hero { position: relative; overflow: hidden; padding: 72px 0; background: radial-gradient(circle at 85% 20%,rgba(0,212,255,.14),transparent 28%),linear-gradient(145deg,#F9F7FF,#EDF8FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--soft); font-size: .92rem; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.page-hero h1 { margin-bottom: 18px; font-size: clamp(2.25rem,5vw,4.25rem); }
.page-hero-visual { min-height: 380px; display: grid; place-items: center; padding: 24px; border-radius: 34px; background: rgba(255,255,255,.66); border: 1px solid rgba(91,108,255,.18); box-shadow: var(--shadow); }
.page-hero-visual img { max-height: 390px; }
.content-grid { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(280px,.65fr); gap: 30px; align-items: start; }
.article-body { display: grid; gap: 22px; }
.article-section { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.article-section p { color: var(--muted); }
.article-section p:last-child { margin-bottom: 0; }
.article-section ul { margin-bottom: 0; color: var(--muted); }
.article-section li + li { margin-top: 8px; }
.sidebar { position: sticky; top: 96px; display: grid; gap: 18px; }
.sidebar-card { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.sidebar-card h2 { font-size: 1.25rem; }
.sidebar-links { display: grid; gap: 9px; }
.sidebar-links a { padding: 10px 12px; color: var(--heading); text-decoration: none; border-radius: 12px; background: #F5F7FF; }
.sidebar-links a:hover { color: var(--brand); }
.mini-service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.mini-service { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(25,43,91,.08); }
.mini-service span { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 12px; border-radius: 12px; color: #fff; background: var(--gradient); font-weight: 800; }
.inner-review-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.cta-band { overflow: hidden; position: relative; padding: 38px; border-radius: 30px; background: linear-gradient(135deg,#151D3B,#263C7C 62%,#24556B); color: #fff; }
.cta-band::after { content: ""; position: absolute; width: 220px; height: 220px; right: -60px; top: -80px; border-radius: 50%; background: rgba(0,212,255,.16); }
.cta-band h2 { color: #fff; }
.cta-band p { max-width: 760px; color: #D5DDF0; }
.cta-band .main-btn { position: relative; z-index: 1; }
.site-footer { position: relative; overflow: hidden; background: var(--footer); color: #EEF2FF; }
.footer-glow { position: absolute; width: 420px; height: 420px; right: -120px; top: -180px; border-radius: 50%; background: rgba(0,212,255,.12); filter: blur(2px); }
.footer-inner { position: relative; width: min(1180px,calc(100% - 40px)); margin: 0 auto; padding: 72px 0 44px; display: grid; grid-template-columns: .9fr 1.6fr; gap: 68px; }
.footer-brand p { max-width: 430px; color: #AEB9D2; }
.footer-logo { color: #fff; font-size: 1.2rem; }
.footer-logo img { width: 48px; height: 48px; object-fit: contain; border-radius: 14px; }
.footer-btn { margin-top: 10px; }
.footer-links { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
.footer-links h2 { margin-bottom: 12px; color: #fff; font-size: 1rem; }
.footer-links a { display: block; margin: 8px 0; color: #AEB9D2; text-decoration: none; font-size: .93rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { position: relative; width: min(1180px,calc(100% - 40px)); margin: 0 auto; padding: 22px 0 28px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 22px; color: #8997B7; font-size: .85rem; }
.footer-bottom p { margin: 0; }
.mobile-quick-nav { display: none; }
@media (max-width: 1040px) {
    .nav-core { display: none; }
    .header-inner { justify-content: space-between; }
    .site-logo { margin-right: auto; }
    .hero-grid, .page-hero-grid, .safety-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 430px; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .highlight-item:nth-child(2) { border-right: 0; }
    .highlight-item { border-bottom: 1px solid rgba(91,108,255,.12); }
    .highlight-item:nth-child(3), .highlight-item:nth-child(4) { border-bottom: 0; }
    .content-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 780px) {
    body { padding-bottom: 72px; }
    .header-inner { min-height: 64px; padding: 0 12px; gap: 8px; }
    .mobile-menu-toggle { display: flex; }
    .desktop-menu-toggle { display: none; }
    .site-logo { margin: 0; position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo img { width: 38px; height: 38px; }
    .site-logo span { display: none; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 40px; padding: 8px 14px; font-size: .86rem; }
    .container { width: min(100% - 28px,1180px); }
    .section { padding: 62px 0; }
    .hero { padding: 58px 0 48px; }
    .hero-grid { gap: 28px; }
    .hero-visual { min-height: 330px; }
    .floating-card { font-size: .78rem; padding: 9px 11px; }
    .highlight-strip { margin-top: 0; padding-top: 16px; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item { border-right: 0; border-bottom: 1px solid rgba(91,108,255,.12) !important; }
    .highlight-item:last-child { border-bottom: 0 !important; }
    .split, .media-feature, .triple-grid, .review-grid, .mini-service-grid, .inner-review-grid { grid-template-columns: 1fr; }
    .media-feature.reverse .media-copy, .media-feature.reverse .media-art { order: initial; }
    .content-panel.media { grid-template-columns: 1fr; }
    .safety-cards { grid-template-columns: 1fr; }
    .page-hero { padding: 54px 0; }
    .page-hero-grid { gap: 26px; }
    .page-hero-visual { min-height: 300px; }
    .sidebar { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-bottom { flex-direction: column; }
    .mobile-quick-nav { position: fixed; left: 10px; right: 10px; bottom: 8px; z-index: 9000; min-height: 60px; padding: 8px 10px; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(11,16,36,.96); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; box-shadow: 0 14px 34px rgba(5,9,24,.32); backdrop-filter: blur(12px); }
    .mobile-quick-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: #EEF2FF; text-decoration: none; font-size: .75rem; }
    .mobile-quick-nav span { color: var(--cyan); font-size: 1rem; }
}
@media (max-width: 520px) {
    .drawer-nav { grid-template-columns: 1fr; }
    .hero-actions { align-items: stretch; }
    .hero-actions a { width: 100%; }
    .hero-points { display: grid; grid-template-columns: 1fr; }
    .content-panel, .article-section, .zone-card, .review-card { padding: 22px; }
    .notice-box { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 18px; }
    .cta-band { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; }
}