:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --neon: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --violet: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --border: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
    --max: 1240px;
}
* { 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, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 12000; background: #fff; color: var(--deep); padding: 10px 14px; border-radius: 10px; text-decoration: none; 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,.16); }
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo, .drawer-brand, .footer-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.site-logo img { max-height: 44px; width: auto; }
.site-logo strong { color: #fff; font-size: 20px; letter-spacing: .04em; white-space: nowrap; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; 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: 48px; padding: 0 24px; border-radius: 999px; background: var(--gradient); color: #fff; text-decoration: none; font-weight: 700; 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 34px rgba(91,108,255,.3); }
.main-btn.compact { min-height: 40px; padding: 0 18px; font-size: 14px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--border); color: var(--brand); background: rgba(255,255,255,.84); text-decoration: none; font-weight: 700; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 999px; }
.menu-toggle-mobile { display: none; }
.drawer-mask { position: fixed; inset: 0; z-index: 10000; background: rgba(5,8,20,.58); opacity: 0; transition: opacity .25s ease; }
.drawer-mask.show { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px, 92vw); height: 100dvh; z-index: 10001; padding: 24px; overflow-y: auto; background: #fff; transform: translateX(105%); transition: transform .28s ease; box-shadow: -24px 0 60px rgba(6,12,38,.24); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.drawer-brand img { max-height: 42px; width: auto; }
.drawer-brand span { color: var(--title); font-size: 20px; font-weight: 800; }
.drawer-close { border: 0; width: 42px; height: 42px; border-radius: 50%; background: #EDF0FF; color: var(--deep); font-size: 26px; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 20px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 14px; border: 1px solid var(--border); border-radius: 14px; color: var(--text); text-decoration: none; background: #FBFCFF; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--brand); background: #EEF0FF; }
.drawer-nav b { color: var(--soft); }
.drawer-safe { margin-top: 22px; padding: 16px; border-radius: 16px; background: #FFF8E7; color: #745A14; font-size: 14px; }
main { min-height: 60vh; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 78px 0; }
.section-tight { padding: 48px 0; }
.section-head { max-width: 780px; margin: 0 auto 34px; text-align: center; }
.section-kicker { display: inline-block; color: var(--violet); font-weight: 800; font-size: 14px; letter-spacing: .08em; margin-bottom: 10px; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(40px, 7vw, 78px); letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 21px; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: 18px; }
.text-link { color: var(--brand); text-decoration: none; font-weight: 700; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.hero { position: relative; overflow: hidden; padding: 86px 0 72px; background: radial-gradient(circle at 10% 15%, rgba(122,92,255,.22), transparent 28%), radial-gradient(circle at 88% 20%, rgba(0,212,255,.18), transparent 26%), linear-gradient(135deg, #F8F5FF 0%, #EFF8FF 56%, #FFF7FB 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 320px; height: 320px; left: -160px; bottom: -130px; background: rgba(91,108,255,.13); }
.hero::after { width: 180px; height: 180px; right: 8%; top: 8%; background: rgba(255,200,87,.16); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 54px; }
.hero-copy h1 { margin-bottom: 8px; }
.hero-subtitle { font-size: clamp(24px, 3.4vw, 40px); color: var(--violet); font-weight: 800; margin: 0 0 20px; }
.hero-copy .lead { max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span, .tag, .pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 8px 13px; background: rgba(255,255,255,.86); border: 1px solid var(--border); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; padding: 24px; }
.hero-visual::before { content: ""; position: absolute; inset: 5% 10%; border-radius: 36px; transform: rotate(-3deg); background: var(--gradient); opacity: .18; }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 600px; object-fit: contain; filter: drop-shadow(0 30px 45px rgba(18,34,78,.22)); }
.highlight-strip { margin-top: -26px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { padding: 22px; background: rgba(255,255,255,.96); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 15px 35px rgba(25,43,91,.1); }
.highlight-item h3 { margin-bottom: 8px; font-size: 18px; }
.highlight-item p { color: var(--muted); font-size: 14px; margin: 0; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.channel-pill { width: min(215px, 100%); padding: 14px 16px; border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: 0 10px 26px rgba(25,43,91,.08); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 5px; }
.channel-pill span { display: block; color: var(--muted); font-size: 13px; line-height: 1.55; }
.channel-pill a { display: inline-block; margin-top: 8px; color: var(--brand); text-decoration: none; font-weight: 700; font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { border-radius: 28px; overflow: hidden; background: linear-gradient(145deg, #EAF7FF, #F6EEFF); padding: 22px; min-height: 320px; display: flex; align-items: center; justify-content: center; }
.split-media img { width: 100%; max-height: 520px; object-fit: contain; }
.split-copy { padding: 10px; }
.split-copy p { color: var(--muted); }
.list-check { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 10px; }
.list-check li { position: relative; padding-left: 30px; }
.list-check li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #EEF0FF; color: var(--brand); font-weight: 900; font-size: 13px; }
.two-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.three-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.four-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.content-card { overflow: hidden; }
.content-card .media { min-height: 230px; display: flex; align-items: center; justify-content: center; padding: 18px; background: linear-gradient(140deg, #EAF7FF, #F2EEFF); }
.content-card .media img { max-height: 310px; object-fit: contain; }
.content-card .body { padding: 26px; }
.content-card p { color: var(--muted); }
.service-points { display: grid; gap: 12px; margin: 18px 0; }
.service-point { padding: 13px 14px; border-radius: 14px; background: #F7F8FF; border-left: 3px solid var(--violet); }
.service-point strong { color: var(--title); }
.security-zone { padding: 34px; border-radius: 30px; background: linear-gradient(135deg, #11182F 0%, #16213E 70%, #1E2F5C 100%); color: #EAF0FF; box-shadow: var(--shadow); }
.security-zone h2, .security-zone h3 { color: #fff; }
.security-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 34px; }
.security-visuals { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-visuals img { width: 100%; max-height: 330px; object-fit: contain; border-radius: 20px; background: rgba(255,255,255,.08); padding: 10px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-card .reviewer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; color: var(--title); font-weight: 800; }
.review-card .reviewer span { color: var(--gold); letter-spacing: .12em; }
.faq-list { display: grid; gap: 12px; max-width: 940px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 10px 24px rgba(25,43,91,.07); padding: 0 20px; }
summary { cursor: pointer; list-style: none; padding: 18px 34px 18px 0; font-weight: 800; color: var(--title); position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 25px; color: var(--brand); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-bottom: 18px; }
.notice-band { padding: 30px; border-radius: 24px; background: linear-gradient(135deg, #FFF5D9, #FFF9ED); border: 1px solid rgba(255,200,87,.5); }
.notice-band h2 { font-size: 28px; }
.about-strip { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; padding: 34px; background: #fff; border-radius: 28px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.about-strip img { max-height: 330px; margin: auto; object-fit: contain; }
.inner-hero { position: relative; overflow: hidden; padding: 76px 0; background: radial-gradient(circle at 78% 20%, rgba(0,212,255,.16), transparent 25%), linear-gradient(135deg, #F6F2FF 0%, #EBF8FF 100%); }
.inner-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 42px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 6vw, 64px); margin-bottom: 18px; }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 34px rgba(25,43,91,.18)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.article-card { padding: 34px; }
.article-card h2 { font-size: 30px; margin-top: 34px; }
.article-card h2:first-child { margin-top: 0; }
.article-card h3 { margin-top: 24px; }
.article-card p { color: #46506B; }
.article-card img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 22px; background: linear-gradient(145deg, #EAF7FF, #F6EEFF); padding: 16px; margin: 24px 0; }
.info-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.info-table th, .info-table td { padding: 14px; border-bottom: 1px solid #E7EAF5; text-align: left; vertical-align: top; }
.info-table th { color: var(--title); width: 30%; }
.sidebar { display: grid; gap: 18px; position: sticky; top: 96px; }
.sidebar-card { padding: 22px; }
.sidebar-card h3 { margin-bottom: 12px; }
.sidebar-card p, .sidebar-card li { color: var(--muted); font-size: 14px; }
.sidebar-card ul { padding-left: 20px; margin-bottom: 0; }
.sidebar-links { display: grid; gap: 9px; }
.sidebar-links a { padding: 10px 12px; border-radius: 12px; background: #F5F7FF; color: var(--brand); text-decoration: none; font-weight: 700; }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 22px 0; }
.step { counter-increment: step; position: relative; padding: 18px 18px 18px 64px; border-radius: 16px; background: #F8F9FF; border: 1px solid var(--border); }
.step::before { content: counter(step); position: absolute; left: 16px; top: 17px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 900; }
.quote { margin: 22px 0; padding: 20px 22px; border-left: 4px solid var(--violet); background: #F4F2FF; border-radius: 0 16px 16px 0; color: #4E4E73; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-box { padding: 22px; border-radius: 18px; background: #F8F9FF; border: 1px solid var(--border); }
.contact-box h3 { margin-bottom: 8px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding-top: 58px; }
.footer-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 56px; }
.footer-logo img { max-height: 46px; width: auto; }
.footer-logo span { font-size: 22px; font-weight: 800; }
.footer-brand p { color: #B8C0D9; max-width: 420px; margin-top: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.footer-links h3 { color: #fff; font-size: 16px; }
.footer-links a { display: block; color: #B8C0D9; text-decoration: none; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-notice { margin-top: 42px; padding: 22px 20px; border-top: 1px solid rgba(255,255,255,.1); text-align: center; color: #9EA9C7; font-size: 13px; }
.footer-notice p { margin: 5px 0; }
.mobile-quick { display: none; }
@media (max-width: 1050px) {
    .nav-core { display: none; }
    .header-inner { justify-content: space-between; }
    .menu-toggle-mobile { display: inline-flex; }
    .menu-toggle-desktop { display: none; }
    .hero-grid, .inner-hero-grid, .security-grid, .content-layout { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-visual { max-width: 720px; margin: 0 auto; }
    .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
    .highlight-grid, .four-cards { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    body { padding-bottom: 72px; }
    .header-inner { min-height: 64px; padding: 0 12px; gap: 8px; }
    .site-logo strong { display: none; }
    .site-logo img { max-width: 118px; max-height: 38px; }
    .main-btn.compact { min-height: 38px; padding: 0 14px; font-size: 13px; }
    .menu-toggle { width: 38px; height: 38px; border-radius: 12px; }
    .site-drawer { left: 0; right: auto; transform: translateX(-105%); width: min(360px, 92vw); padding: 20px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .hero { padding: 58px 0 56px; }
    .hero-grid { gap: 28px; }
    .hero-copy { text-align: left; }
    .hero-actions, .hero-points { justify-content: flex-start; }
    .section { padding: 58px 0; }
    .container { width: min(100% - 28px, var(--max)); }
    .highlight-strip { margin-top: -18px; }
    .highlight-grid, .two-cards, .three-cards, .four-cards, .review-grid, .split, .security-visuals, .contact-grid, .about-strip { grid-template-columns: 1fr; }
    .split.reverse .split-media { order: 0; }
    .channel-pill { width: 100%; }
    .section-head { text-align: left; }
    .security-zone, .article-card, .about-strip { padding: 24px; }
    .sidebar { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { width: min(100% - 28px, var(--max)); }
    .mobile-quick { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; height: 64px; padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(16px); border-top: 1px solid var(--border); box-shadow: 0 -8px 24px rgba(25,43,91,.1); }
    .mobile-quick a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); text-decoration: none; font-size: 12px; }
    .mobile-quick a span { font-size: 18px; line-height: 1; }
    .mobile-quick a.active { color: var(--brand); font-weight: 800; }
}
@media (max-width: 420px) {
    .main-btn.compact { padding: 0 11px; }
    h1 { font-size: 42px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 14px; }
}