:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --neon: #00D4FF;
    --gold: #FFC857;
    --accent: #D94F70;
    --lavender: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --light-muted: #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%);
    --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", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.8;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.skip-link {
    position: fixed; left: 16px; top: -60px; z-index: 12000;
    background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px;
}
.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 {
    width: min(calc(100% - 40px), var(--max)); min-height: 72px; margin: 0 auto;
    display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px;
}
.site-logo, .drawer-brand, .footer-logo {
    display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
}
.site-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo strong { color: #fff; font-size: 20px; letter-spacing: .02em; white-space: nowrap; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.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(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.main-btn, .secondary-btn {
    display: inline-flex; justify-content: center; align-items: center; min-height: 46px;
    padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,0.22); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { background: #fff; color: var(--primary); border: 1px solid var(--border); }
.menu-trigger {
    width: 44px; height: 44px; border-radius: 14px; border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.menu-trigger span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-trigger { display: none; }
.drawer-overlay {
    position: fixed; inset: 0; z-index: 10000; background: rgba(7,11,28,.58);
    opacity: 0; transition: opacity .22s ease;
}
.drawer-overlay.show { opacity: 1; }
.site-drawer {
    position: fixed; right: 0; top: 0; bottom: 0; z-index: 10001; width: min(390px, 90vw);
    background: #fff; padding: 24px; transform: translateX(105%); transition: transform .25s ease;
    overflow-y: auto; box-shadow: -24px 0 60px rgba(7,11,28,.22);
}
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand img, .footer-logo img { width: 42px; height: 42px; object-fit: contain; }
.drawer-brand span { color: var(--title); font-size: 20px; font-weight: 800; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 14px; background: #EEF1FF; color: var(--title); font-size: 26px; cursor: pointer; }
.drawer-intro { margin: 22px 0 14px; color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; text-decoration: none; padding: 12px 14px; border-radius: 14px; background: #F7F8FF; color: var(--text); }
.drawer-nav a:hover, .drawer-nav a.active { background: #EAF7FF; color: var(--primary); }
.drawer-safe-note { margin-top: 20px; padding: 18px; border-radius: 18px; background: #FFF4D6; }
.drawer-safe-note strong { color: var(--title); }
.drawer-safe-note p { margin: 5px 0 0; color: #6E603A; font-size: 14px; }
main { min-height: 55vh; }
.section { padding: 82px 0; }
.section.compact { padding: 56px 0; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section-head { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-kicker { color: var(--lavender); font-weight: 800; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.25; }
h1 { font-size: clamp(42px, 7vw, 76px); margin: 16px 0 20px; letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 4vw, 42px); margin: 10px 0 16px; }
h3 { font-size: 21px; margin: 0 0 10px; }
p { margin-top: 0; }
.lead { color: var(--muted); font-size: 18px; }
.text-link { color: var(--primary); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.hero {
    position: relative; overflow: hidden; padding: 84px 0 70px;
    background: radial-gradient(circle at 12% 18%, rgba(122,92,255,.18), transparent 34%),
                radial-gradient(circle at 88% 24%, rgba(0,212,255,.15), transparent 32%),
                linear-gradient(135deg, #F7F2FF 0%, #EFF8FF 50%, #FFF7FC 100%);
}
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); }
.hero::before { width: 220px; height: 220px; background: rgba(255,200,87,.18); left: -80px; bottom: -70px; }
.hero::after { width: 180px; height: 180px; background: rgba(217,79,112,.12); right: 8%; top: 10%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; }
.hero-copy { max-width: 650px; }
.hero-subtitle { font-size: clamp(22px, 3vw, 34px); font-weight: 800; color: var(--deep); margin-bottom: 18px; }
.hero-copy .lead { max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; padding: 0; margin: 0; list-style: none; }
.hero-points li { background: rgba(255,255,255,.76); border: 1px solid var(--border); padding: 8px 14px; border-radius: 999px; color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 34px 48px rgba(30,45,101,.22)); }
.floating-note { position: absolute; background: rgba(255,255,255,.92); border: 1px solid rgba(91,108,255,.15); box-shadow: var(--shadow); border-radius: 18px; padding: 14px 16px; font-size: 14px; color: var(--deep); }
.floating-note.one { left: -10px; bottom: 12%; }
.floating-note.two { right: 0; top: 10%; }
.highlight-strip { margin-top: -22px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 24px; position: relative; }
.highlight-item + .highlight-item::before { content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 1px; background: var(--border); }
.highlight-item b { display: block; color: var(--title); margin-bottom: 6px; }
.highlight-item p { color: var(--muted); font-size: 14px; margin: 0; line-height: 1.65; }
.pill-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.pill-link { display: inline-flex; flex-direction: column; min-width: 156px; max-width: 220px; flex: 1 1 160px; padding: 15px 18px; border-radius: 18px; background: #fff; border: 1px solid var(--border); text-decoration: none; box-shadow: 0 10px 26px rgba(25,43,91,.07); }
.pill-link strong { color: var(--title); }
.pill-link small { color: var(--muted); line-height: 1.5; margin-top: 3px; }
.pill-link:hover { transform: translateY(-2px); border-color: rgba(91,108,255,.38); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 26px; }
.content-card, .card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.content-card { padding: 34px; }
.soft-section { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(245,247,255,0)); }
.deep-section { background: linear-gradient(135deg, #11182F, #16213E); color: #EEF2FF; }
.deep-section h2, .deep-section h3 { color: #fff; }
.deep-section p { color: #C9D2EA; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.zone-card { padding: 24px; overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; border-radius: 16px; background: #F1F4FF; margin-bottom: 20px; }
.zone-card p { color: var(--muted); }
.feature-list { padding: 0; margin: 20px 0 0; list-style: none; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 26px; color: var(--text); }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 10px; height: 10px; border-radius: 50%; background: var(--gradient); }
.mini-list { display: grid; gap: 10px; margin: 18px 0; }
.mini-list div { padding: 12px 14px; border-radius: 14px; background: #F7F8FF; color: var(--muted); }
.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.triple-grid .info-card { padding: 26px; }
.icon-dot { width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, rgba(91,108,255,.16), rgba(0,212,255,.18)); margin-bottom: 16px; display: grid; place-items: center; color: var(--primary); font-weight: 900; }
.safety-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-panel .info-card { padding: 28px; }
.safety-panel img { width: 100%; max-height: 260px; object-fit: contain; margin-bottom: 16px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-card span { color: var(--primary); font-weight: 700; }
.faq-list { display: grid; gap: 14px; max-width: 900px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 0 20px; box-shadow: 0 12px 30px rgba(25,43,91,.06); }
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: 26px; color: var(--primary); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding: 0 0 18px; margin: 0; }
.notice-banner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px; background: linear-gradient(135deg, #FFF4D6, #EFF8FF); border: 1px solid rgba(255,200,87,.36); border-radius: 24px; padding: 26px; }
.notice-mark { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: #fff; color: var(--accent); font-weight: 900; font-size: 22px; }
.notice-banner h2 { font-size: 24px; margin: 0 0 4px; }
.notice-banner p { color: var(--muted); margin: 0; }
.page-hero { padding: 72px 0 54px; background: linear-gradient(135deg, #F3EEFF 0%, #EFF8FF 55%, #FFF7FC 100%); overflow: hidden; }
.page-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 46px; }
.page-hero h1 { font-size: clamp(38px, 6vw, 64px); }
.page-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 28px 44px rgba(30,45,101,.18)); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary); text-decoration: none; }
.article-prose { max-width: 900px; margin: 0 auto; }
.article-prose p { color: var(--muted); font-size: 17px; }
.article-prose h2 { margin-top: 44px; }
.service-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.service-points .info-card { padding: 22px; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { counter-increment: step; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 14px 34px rgba(25,43,91,.08); }
.step::before { content: counter(step, decimal-leading-zero); display: block; color: var(--primary); font-weight: 900; font-size: 24px; margin-bottom: 12px; }
.quote-panel { background: linear-gradient(135deg, #11182F, #1B2751); color: #fff; border-radius: 28px; padding: 34px; }
.quote-panel blockquote { margin: 0; font-size: 20px; line-height: 1.75; }
.quote-panel cite { display: block; margin-top: 16px; color: #BBD4FF; font-style: normal; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 24px; }
.footer-inner { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 54px; }
.footer-logo span { font-size: 22px; font-weight: 800; }
.footer-brand p { color: #AEB8D0; max-width: 460px; margin-top: 16px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h2 { color: #fff; font-size: 16px; margin: 0 0 14px; }
.footer-links a { display: block; color: #AEB8D0; text-decoration: none; margin: 8px 0; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(calc(100% - 40px), var(--max)); margin: 42px auto 0; padding-top: 22px; border-top: 1px solid rgba(238,242,255,.12); display: flex; justify-content: space-between; gap: 24px; color: #8E9AB7; font-size: 13px; }
.footer-bottom p { margin: 0; max-width: 800px; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-bottom a { color: #B9C3DA; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1060px) {
    .header-inner { grid-template-columns: auto 1fr auto; gap: 14px; }
    .nav-core { display: none; }
    .site-logo { justify-self: center; }
    .desktop-menu-trigger { display: none; }
    .mobile-menu-trigger { display: inline-flex; }
    .header-actions { justify-self: end; }
    .hero-grid, .page-hero-grid, .split { grid-template-columns: 1fr; }
    .split.reverse .split-media { order: 0; }
    .hero-copy { max-width: none; }
    .hero-visual img { max-height: 500px; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .highlight-item:nth-child(3)::before { display: none; }
    .card-grid, .triple-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid.four { grid-template-columns: repeat(2, 1fr); }
    .steps { 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(--max)); min-height: 64px; }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .header-cta { min-height: 40px; padding: 0 14px; font-size: 13px; }
    .menu-trigger { width: 40px; height: 40px; }
    .section { padding: 58px 0; }
    .section.compact { padding: 42px 0; }
    .container { width: min(calc(100% - 28px), var(--max)); }
    .hero { padding: 58px 0 46px; }
    h1 { font-size: clamp(38px, 14vw, 58px); }
    .hero-subtitle { font-size: 24px; }
    .lead { font-size: 16px; }
    .floating-note { display: none; }
    .highlight-strip { margin-top: 16px; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item + .highlight-item::before { left: 22px; right: 22px; top: 0; bottom: auto; width: auto; height: 1px; }
    .highlight-item:nth-child(3)::before { display: block; }
    .card-grid, .card-grid.two, .card-grid.four, .triple-grid, .review-grid, .safety-panel, .service-points, .steps { grid-template-columns: 1fr; }
    .content-card { padding: 24px; }
    .notice-banner { grid-template-columns: 1fr; }
    .notice-banner .secondary-btn { justify-self: start; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav {
        position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 9000;
        display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(11,16,36,.96); color: #DDE4F8;
        border: 1px solid rgba(255,255,255,.12); border-radius: 20px; box-shadow: 0 18px 40px rgba(11,16,36,.3); overflow: hidden;
    }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 8px 4px; text-decoration: none; font-size: 12px; }
    .mobile-bottom-nav a span { font-size: 18px; }
    .mobile-bottom-nav a.active { color: #fff; background: rgba(91,108,255,.26); }
}
@media (max-width: 440px) {
    .footer-links { grid-template-columns: 1fr; }
    .hero-actions .main-btn, .hero-actions .secondary-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}