:root {
    --bg: #F5F7FF;
    --nav: rgba(12, 18, 40, 0.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --lavender: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --footer: #0B1024;
    --line: 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%);
    --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    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; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
main { min-height: 70vh; }

.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 {
    width: min(calc(100% - 32px), var(--container));
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
}
.site-logo img { width: auto; max-width: 132px; max-height: 44px; object-fit: contain; display: block; }
.site-logo strong { font-size: 20px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; flex: 1; }
.nav-core a {
    color: #EEF2FF;
    text-decoration: none;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 15px;
    transition: .2s ease;
}
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0, 212, 255, 0.16); }
.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;
    color: #fff;
    background: var(--gradient);
    box-shadow: 0 14px 32px rgba(91, 108, 255, 0.22);
    text-decoration: none;
    font-weight: 700;
    border: 0;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91, 108, 255, .28); }
.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: 46px; padding: 0 22px;
    border-radius: 999px; text-decoration: none; color: var(--primary); background: #fff; border: 1px solid var(--line); font-weight: 700;
}
.menu-toggle {
    width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08);
    border-radius: 14px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-only { display: none; }

.drawer-overlay {
    position: fixed; inset: 0; z-index: 10000; border: 0; background: rgba(5, 9, 24, .58); opacity: 0; visibility: hidden;
    transition: .25s ease;
}
.site-drawer {
    position: fixed; z-index: 10001; top: 0; right: 0; width: min(420px, 92vw); height: 100dvh; padding: 22px;
    background: #fff; box-shadow: -24px 0 70px rgba(8, 16, 47, .2); transform: translateX(105%); transition: .3s ease;
    overflow-y: auto;
}
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--title); font-weight: 800; }
.drawer-brand img { max-height: 38px; width: auto; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: #EFF2FF; color: var(--title); font-size: 28px; line-height: 1; }
.drawer-intro { color: var(--muted); margin: 18px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 14px; text-decoration: none; background: #F7F8FF; color: var(--text); }
.drawer-nav a:hover, .drawer-nav a.active { background: linear-gradient(135deg, #EEF0FF, #EAFBFF); color: var(--primary); }
.drawer-note { margin-top: 20px; padding: 16px; border-radius: 16px; background: #FFF8E7; color: #725A26; font-size: 14px; }

.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.section { padding: 88px 0; }
.section.compact-section { padding: 48px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234, 247, 255, .78), rgba(245, 247, 255, .35)); }
.section-dark { color: #EEF2FF; background: #11182F; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-head.align-left { margin-left: 0; text-align: left; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--primary); font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 22px; height: 3px; border-radius: 999px; background: var(--gradient); }
h1, h2, h3, .section-title { color: var(--title); margin-top: 0; line-height: 1.25; }
h1 { font-size: clamp(40px, 6vw, 72px); letter-spacing: -.04em; }
h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.03em; }
h3 { font-size: 21px; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: 18px; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 700; }
.text-link:hover { text-decoration: underline; }

.hero {
    position: relative; isolation: isolate; overflow: hidden; padding: 82px 0 72px;
    background: radial-gradient(circle at 12% 18%, rgba(122, 92, 255, .19), transparent 32%),
                radial-gradient(circle at 88% 24%, rgba(0, 212, 255, .18), transparent 30%),
                linear-gradient(135deg, #F4EEFF 0%, #EDF8FF 52%, #FFF2F9 100%);
}
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); }
.hero::before { width: 360px; height: 360px; background: rgba(91, 108, 255, .10); top: -160px; left: -90px; }
.hero::after { width: 260px; height: 260px; background: rgba(217, 79, 112, .08); right: -70px; bottom: -80px; }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 54px; align-items: center; }
.hero-copy { max-width: 680px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 13px; border-radius: 999px; background: rgba(255, 255, 255, .7); color: var(--primary); font-size: 14px; font-weight: 800; box-shadow: 0 10px 30px rgba(91, 108, 255, .1); }
.eyebrow::before { content: "●"; color: var(--cyan); font-size: 10px; }
.hero h1 { margin: 20px 0 10px; }
.hero-subtitle { margin: 0 0 18px; color: var(--lavender); font-size: clamp(22px, 3vw, 34px); font-weight: 800; }
.hero-copy > p { max-width: 650px; color: #4E5B77; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.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; color: #4E5277; background: rgba(255, 255, 255, .72); border: 1px solid rgba(91, 108, 255, .12); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 30px 50px rgba(38, 51, 102, .2)); }
.floating-note { position: absolute; padding: 13px 16px; border-radius: 16px; background: rgba(255, 255, 255, .9); box-shadow: var(--shadow); font-size: 14px; font-weight: 700; color: var(--title); backdrop-filter: blur(8px); }
.note-one { left: -18px; top: 14%; }
.note-two { right: 0; bottom: 12%; }

.highlight-strip { margin-top: -26px; position: relative; z-index: 2; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, .94); box-shadow: var(--shadow); }
.highlight-item span { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 12px; background: linear-gradient(135deg, #EEF0FF, #E6FBFF); color: var(--primary); font-weight: 900; }
.highlight-item h3 { margin: 12px 0 6px; font-size: 18px; }
.highlight-item p { color: var(--muted); font-size: 14px; margin: 0; }

.channel-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.channel-pill { width: min(220px, 100%); padding: 14px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 26px rgba(25, 43, 91, .08); text-decoration: none; transition: .2s ease; }
.channel-pill strong { display: block; color: var(--title); font-size: 15px; }
.channel-pill small { display: block; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.channel-pill:hover { transform: translateY(-2px); border-color: rgba(91, 108, 255, .42); }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.split-grid.reverse .media-panel { order: 2; }
.media-panel, .copy-panel, .card, .zone-card, .info-card, .review-card {
    background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 24px;
}
.media-panel { padding: 18px; overflow: hidden; }
.media-panel img { width: 100%; max-height: 540px; object-fit: contain; border-radius: 18px; display: block; }
.copy-panel { padding: clamp(26px, 4vw, 46px); }
.copy-panel p { color: var(--muted); }
.feature-list { display: grid; gap: 12px; padding: 0; margin: 22px 0; list-style: none; }
.feature-list li { position: relative; padding-left: 30px; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: #EEF0FF; color: var(--primary); font-size: 12px; font-weight: 900; }

.cards-2, .cards-3, .cards-4, .reviews-grid, .faq-grid { display: grid; gap: 22px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.zone-card, .info-card, .review-card, .card { overflow: hidden; }
.zone-card img, .info-card img, .card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: linear-gradient(135deg, #F0F1FF, #ECFBFF); display: block; }
.card-body { padding: 24px; }
.card-body p { color: var(--muted); }
.card-points { padding-left: 18px; color: var(--muted); }
.card-points li { margin-bottom: 6px; }
.triple-card { min-height: 100%; display: flex; flex-direction: column; }
.triple-card .card-body { display: flex; flex-direction: column; flex: 1; }
.triple-card .text-link { margin-top: auto; }

.security-band { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.security-card { position: relative; min-height: 360px; overflow: hidden; border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.security-card img { width: 100%; height: 220px; object-fit: contain; background: #EFF8FF; display: block; }
.security-card .card-body { padding: 26px; }
.security-card p { color: var(--muted); }

.reviews-grid { grid-template-columns: repeat(3, 1fr); }
.review-card { padding: 24px; }
.review-card::before { content: "“"; display: block; height: 34px; color: var(--lavender); font-size: 48px; line-height: .8; font-family: Georgia, serif; }
.review-card p { color: #4C5871; }
.review-card strong { display: block; color: var(--title); font-size: 14px; }

.faq-list { max-width: 930px; margin: 0 auto; display: grid; gap: 14px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 10px 28px rgba(25, 43, 91, .07); overflow: hidden; }
summary { padding: 18px 22px; color: var(--title); font-weight: 800; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
details p { padding: 0 22px 20px; color: var(--muted); margin: 0; }

.notice-band { border-radius: 28px; padding: clamp(28px, 5vw, 52px); background: linear-gradient(135deg, #141C38 0%, #252B55 55%, #153E5D 100%); color: #EAF0FF; box-shadow: var(--shadow); }
.notice-band h2, .notice-band h3 { color: #fff; }
.notice-band p { color: #CBD4EA; }
.notice-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; }
.notice-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.notice-points span { padding: 12px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.06); }

.inner-hero { padding: 72px 0 54px; background: radial-gradient(circle at 15% 20%, rgba(122,92,255,.16), transparent 30%), linear-gradient(135deg, #F1F0FF, #EEF9FF 55%, #FFF4F8); }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 44px; }
.inner-hero h1 { margin: 12px 0 18px; font-size: clamp(38px, 5.2vw, 62px); }
.inner-hero p { max-width: 680px; color: #54607A; font-size: 18px; }
.inner-hero img { width: 100%; max-height: 500px; object-fit: contain; filter: drop-shadow(0 26px 44px rgba(38, 51, 102, .18)); }
.breadcrumbs { color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary); text-decoration: none; }
.content-prose { max-width: 900px; }
.content-prose p { color: #4E5B73; font-size: 17px; }
.content-prose h2 { margin-top: 38px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-item { padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.service-item b { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 10px; color: #fff; background: var(--gradient); margin-bottom: 12px; }
.service-item p { color: var(--muted); margin: 0; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step-item { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; padding: 20px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.step-item::before { content: counter(step); width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: var(--gradient); font-weight: 800; }
.step-item h3 { margin-bottom: 5px; }
.step-item p { color: var(--muted); margin: 0; }
.quote-panel { padding: 30px; border-radius: 24px; background: linear-gradient(135deg, #FFF, #F0F8FF); border: 1px solid var(--line); box-shadow: var(--shadow); }
.quote-panel blockquote { margin: 0 0 12px; color: #46536F; font-size: 19px; }
.quote-panel cite { color: var(--primary); font-style: normal; font-weight: 700; }
.page-faq { display: grid; gap: 14px; }
.cta-panel { display: grid; grid-template-columns: 1.2fr auto; gap: 26px; align-items: center; padding: 34px; border-radius: 26px; background: linear-gradient(135deg, #5B6CFF, #7A5CFF 55%, #00BFE8); color: #fff; box-shadow: 0 24px 50px rgba(91,108,255,.25); }
.cta-panel h2 { color: #fff; margin-bottom: 8px; }
.cta-panel p { margin: 0; color: #EDF1FF; }
.cta-panel .secondary-btn { color: var(--primary); border: 0; }

.site-footer { background: var(--footer); color: #EEF2FF; padding: 64px 0 0; }
.footer-inner { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.7fr; gap: 56px; }
.footer-brand p { color: #AEB8D3; max-width: 390px; margin-top: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.footer-links h3 { color: #fff; margin-bottom: 12px; font-size: 16px; }
.footer-links a { display: block; color: #BFC8DE; text-decoration: none; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 44px; border-top: 1px solid rgba(255,255,255,.09); }
.footer-bottom p { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; padding: 22px 0; color: #98A4C2; font-size: 13px; }
.mobile-quick-nav { display: none; }

@media (max-width: 1024px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: inline-flex; }
    .header-inner { gap: 10px; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo strong { display: none; }
    .header-actions { margin-left: auto; }
    .hero-grid, .inner-hero-grid, .split-grid, .notice-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: none; }
    .hero-visual { max-width: 720px; margin: 0 auto; }
    .split-grid.reverse .media-panel { order: 0; }
    .highlight-grid, .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .cards-3, .reviews-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    body { padding-bottom: 72px; }
    .header-inner { width: min(calc(100% - 20px), var(--container)); min-height: 64px; }
    .site-logo img { max-width: 104px; max-height: 38px; }
    .main-btn.compact { min-height: 36px; padding: 0 12px; font-size: 12px; }
    .menu-toggle { width: 38px; height: 38px; }
    .section { padding: 64px 0; }
    .hero { padding: 60px 0 54px; }
    .hero h1 { font-size: 46px; }
    .hero-subtitle { font-size: 24px; }
    .hero-actions { align-items: stretch; }
    .hero-actions a { flex: 1 1 150px; }
    .floating-note { display: none; }
    .highlight-strip { margin-top: -12px; }
    .highlight-grid, .cards-2, .cards-3, .cards-4, .reviews-grid, .service-grid, .security-band { grid-template-columns: 1fr; }
    .channel-pills { justify-content: stretch; }
    .channel-pill { width: 100%; border-radius: 18px; }
    .notice-points { grid-template-columns: 1fr; }
    .copy-panel { padding: 26px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .inner-hero { padding: 52px 0 42px; }
    .inner-hero h1 { font-size: 42px; }
    .cta-panel { grid-template-columns: 1fr; text-align: center; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .mobile-quick-nav {
        display: grid; position: fixed; z-index: 9998; left: 10px; right: 10px; bottom: max(8px, env(safe-area-inset-bottom));
        grid-template-columns: repeat(4, 1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.94); box-shadow: 0 14px 34px rgba(4,8,22,.28); backdrop-filter: blur(12px);
    }
    .mobile-quick-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: #BCC5DA; text-decoration: none; font-size: 11px; border-radius: 14px; padding: 4px; }
    .mobile-quick-nav a span { font-size: 18px; line-height: 1; }
    .mobile-quick-nav a.active { color: #fff; background: rgba(91,108,255,.28); }
}

@media (max-width: 420px) {
    .container { width: min(calc(100% - 22px), var(--container)); }
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 14px; }
}