:root {
    --bg: #F5F7FF;
    --surface: #FFFFFF;
    --surface-soft: #EFF8FF;
    --ink: #1F2740;
    --ink-strong: #131A35;
    --muted: #66708A;
    --quiet: #9AA4BA;
    --primary: #5B6CFF;
    --primary-2: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --navy: #16213E;
    --footer: #0B1024;
    --border: rgba(91,108,255,0.18);
    --shadow: 0 20px 46px rgba(25,43,91,0.14);
    --shadow-soft: 0 12px 32px rgba(25,43,91,0.10);
    --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(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.78;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; padding: 10px 16px; border-radius: 12px; background: #fff; color: var(--ink-strong); box-shadow: var(--shadow); transition: top .2s ease; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,0.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,0.16); }
.header-inner { width: min(var(--max), calc(100% - 40px)); 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; font-weight: 800; letter-spacing: .02em; }
.site-logo { color: #fff; white-space: nowrap; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo strong { font-size: 1.08rem; }
.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: .95rem; transition: background .2s ease, color .2s ease, transform .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,0.16); transform: translateY(-1px); }
.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; border: 0; border-radius: 999px; background: var(--gradient); color: #fff; text-decoration: none; font-weight: 750; box-shadow: 0 14px 32px rgba(91,108,255,0.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,0.29); }
.menu-trigger { width: 44px; height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid rgba(255,255,255,.20); border-radius: 14px; background: rgba(255,255,255,.08); cursor: pointer; }
.menu-trigger span { width: 18px; height: 2px; border-radius: 999px; background: #fff; }
.mobile-menu-trigger { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,11,28,.60); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(410px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -26px 0 60px rgba(9,15,40,.28); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.drawer-brand { color: var(--ink-strong); }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; }
.drawer-close { width: 44px; height: 44px; border: 0; border-radius: 14px; background: #EEF1FF; color: var(--ink-strong); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.drawer-intro { margin: 22px 0; color: var(--muted); font-size: .95rem; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 11px 12px; border: 1px solid var(--border); border-radius: 14px; color: var(--ink); text-decoration: none; background: #fff; }
.drawer-nav a:hover { background: var(--surface-soft); color: var(--primary); }
.drawer-cta { width: 100%; margin-top: 20px; }
main { display: block; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section-sm { padding: 54px 0; }
.section-heading { max-width: 760px; margin-bottom: 32px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 10px; color: var(--primary); font-weight: 800; letter-spacing: .08em; font-size: .82rem; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 28px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--cyan)); }
h1, h2, h3, .section-title { color: var(--ink-strong); line-height: 1.22; margin-top: 0; }
h1 { font-size: clamp(2.5rem, 6vw, 5.4rem); letter-spacing: -.055em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.7rem); letter-spacing: -.035em; }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: clamp(1.02rem, 1.6vw, 1.18rem); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 750; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card, .faq-item, .feature-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-soft); border-radius: 22px; }
.hero { position: relative; isolation: isolate; min-height: 700px; display: flex; align-items: center; overflow: hidden; background: radial-gradient(circle at 12% 15%, rgba(122,92,255,.20), transparent 31%), radial-gradient(circle at 88% 30%, rgba(0,212,255,.20), transparent 28%), linear-gradient(135deg, #F8F3FF 0%, #ECF8FF 55%, #FFF7FC 100%); }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); }
.hero::before { width: 280px; height: 280px; left: -90px; bottom: 40px; background: rgba(255,200,87,.18); }
.hero::after { width: 220px; height: 220px; right: -60px; top: 80px; background: rgba(217,79,112,.12); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr); align-items: center; gap: 58px; padding: 86px 0; }
.hero-copy { max-width: 680px; }
.hero-title-accent { display: block; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { margin: -20px 0 18px; color: var(--ink-strong); font-size: clamp(1.25rem, 2.4vw, 2rem); font-weight: 780; }
.hero-copy .lead { max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }
.secondary-btn { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 10px 20px; border: 1px solid rgba(91,108,255,.30); border-radius: 999px; background: rgba(255,255,255,.70); color: var(--primary); text-decoration: none; font-weight: 750; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; padding: 0; list-style: none; }
.hero-points li { padding: 8px 13px; border: 1px solid rgba(91,108,255,.18); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--ink); font-size: .92rem; }
.hero-visual { position: relative; padding: 22px; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 2% 0 11%; border-radius: 40px; background: linear-gradient(145deg, rgba(91,108,255,.20), rgba(0,212,255,.12)); transform: rotate(3deg); }
.hero-visual img { position: relative; width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 30px 35px rgba(22,33,62,.20)); }
.float-chip { position: absolute; z-index: 2; padding: 10px 14px; border: 1px solid rgba(255,255,255,.75); border-radius: 16px; background: rgba(255,255,255,.88); box-shadow: var(--shadow-soft); backdrop-filter: blur(8px); font-weight: 700; color: var(--ink-strong); }
.float-chip.one { left: 0; top: 18%; }
.float-chip.two { right: 0; bottom: 15%; }
.highlight-strip { position: relative; z-index: 2; margin-top: -34px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 18px; border: 1px solid rgba(91,108,255,.14); border-radius: 26px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.highlight-item { padding: 18px; border-radius: 18px; background: linear-gradient(145deg, #fff, #F7F9FF); }
.highlight-item strong { display: block; margin-bottom: 5px; color: var(--ink-strong); font-size: 1.05rem; }
.highlight-item p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.channel-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.channel-pill { max-width: 230px; flex: 1 1 180px; padding: 16px 18px; border: 1px solid var(--border); border-radius: 999px; background: #fff; text-decoration: none; box-shadow: 0 8px 22px rgba(25,43,91,.07); transition: transform .2s ease, border-color .2s ease; }
.channel-pill:hover { transform: translateY(-3px); border-color: rgba(91,108,255,.46); }
.channel-pill strong { display: block; color: var(--ink-strong); }
.channel-pill span { display: block; color: var(--muted); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.split-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; align-items: stretch; }
.media-panel { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 42px; align-items: center; padding: 34px; overflow: hidden; }
.media-panel.reverse { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.media-panel.reverse .media-image { order: 2; }
.media-image { position: relative; min-height: 320px; display: grid; place-items: center; border-radius: 20px; background: linear-gradient(145deg, #EDF1FF, #ECFBFF); overflow: hidden; }
.media-image img { width: 100%; max-height: 430px; object-fit: contain; }
.media-content p { color: var(--muted); }
.service-points { display: grid; gap: 12px; padding: 0; margin: 22px 0; list-style: none; }
.service-points li { position: relative; padding-left: 24px; color: var(--ink); }
.service-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 9px; height: 9px; border-radius: 50%; background: var(--gradient); box-shadow: 0 0 0 5px rgba(91,108,255,.10); }
.content-card { padding: 28px; overflow: hidden; }
.content-card .card-image { margin: -28px -28px 24px; min-height: 220px; display: grid; place-items: center; background: linear-gradient(145deg, #F2F0FF, #EAFAFF); }
.content-card .card-image img { width: 100%; height: 260px; object-fit: contain; }
.content-card p { color: var(--muted); }
.three-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.feature-card { padding: 26px; }
.feature-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 15px; background: linear-gradient(145deg, #EEEFFF, #E9FAFF); color: var(--primary); font-weight: 900; }
.feature-card p { color: var(--muted); }
.safety-band { border-radius: 34px; background: linear-gradient(130deg, #11182F 0%, #16213E 52%, #24366A 100%); color: #EEF2FF; overflow: hidden; box-shadow: var(--shadow); }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.safety-copy { padding: 54px; }
.safety-copy h2, .safety-copy h3 { color: #fff; }
.safety-copy p { color: #C9D2EC; }
.safety-images { display: grid; grid-template-columns: 1fr 1fr; min-height: 430px; background: rgba(255,255,255,.03); }
.safety-images figure { margin: 0; display: grid; place-items: center; padding: 24px; }
.safety-images figure + figure { border-left: 1px solid rgba(255,255,255,.10); }
.safety-images img { max-height: 340px; object-fit: contain; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review-card { padding: 25px; }
.review-card blockquote { margin: 0 0 18px; color: var(--ink); }
.review-card footer { color: var(--muted); font-size: .9rem; }
.review-stars { color: var(--gold); letter-spacing: 3px; margin-bottom: 12px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-item details { padding: 0 24px; }
.faq-item summary { position: relative; padding: 22px 34px 22px 0; cursor: pointer; color: var(--ink-strong); font-weight: 750; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 17px; font-size: 1.45rem; color: var(--primary); }
.faq-item details[open] summary::after { content: "−"; }
.faq-item .answer { padding: 0 0 22px; color: var(--muted); }
.notice-card { padding: 34px; border-radius: 26px; background: linear-gradient(145deg, #FFF8E6, #F2F5FF); border: 1px solid rgba(255,200,87,.36); }
.notice-card h2 { margin-bottom: 12px; }
.page-hero { position: relative; overflow: hidden; padding: 84px 0 66px; background: radial-gradient(circle at 15% 20%, rgba(122,92,255,.18), transparent 30%), radial-gradient(circle at 85% 20%, rgba(0,212,255,.16), transparent 28%), linear-gradient(145deg, #F7F2FF, #ECF9FF); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: 48px; align-items: center; }
.page-hero h1 { font-size: clamp(2.35rem, 5vw, 4.6rem); margin-bottom: 18px; }
.page-hero-copy { max-width: 720px; }
.page-hero-image { padding: 24px; border: 1px solid rgba(255,255,255,.72); border-radius: 34px; background: rgba(255,255,255,.68); box-shadow: var(--shadow); }
.page-hero-image img { width: 100%; max-height: 430px; object-fit: contain; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { color: var(--primary); text-decoration: none; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 30px; align-items: start; }
.article-body { display: grid; gap: 22px; }
.article-section { padding: 30px; }
.article-section p { color: var(--muted); }
.article-section p:last-child { margin-bottom: 0; }
.article-aside { position: sticky; top: 96px; display: grid; gap: 18px; }
.aside-card { padding: 24px; }
.aside-card h2 { font-size: 1.18rem; }
.aside-card a { display: block; padding: 9px 0; border-bottom: 1px solid rgba(91,108,255,.12); color: var(--primary); text-decoration: none; }
.aside-card a:last-child { border-bottom: 0; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
.stat-item { padding: 18px; border-radius: 18px; background: var(--surface-soft); text-align: center; }
.stat-item strong { display: block; color: var(--primary); font-size: 1.4rem; }
.steps { display: grid; gap: 14px; counter-reset: step; }
.step-item { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start; padding: 18px; border-radius: 18px; background: #F8FAFF; }
.step-item::before { content: counter(step); width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--gradient); color: #fff; font-weight: 900; }
.step-item h3 { margin: 2px 0 6px; }
.step-item p { margin: 0; }
.quote-card { position: relative; padding: 34px; border-radius: 24px; background: linear-gradient(145deg, #EEF1FF, #EAFBFF); }
.quote-card::before { content: "“"; position: absolute; right: 24px; top: 4px; color: rgba(91,108,255,.16); font-size: 6rem; font-weight: 900; line-height: 1; }
.quote-card blockquote { position: relative; margin: 0 0 12px; color: var(--ink-strong); font-size: 1.08rem; }
.quote-card cite { color: var(--muted); font-style: normal; }
.site-footer { background: var(--footer); color: #EEF2FF; }
.footer-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 2.1fr; gap: 60px; padding: 66px 0 46px; }
.footer-brand-col p { color: #AEB8D1; max-width: 390px; }
.footer-logo { color: #fff; font-size: 1.2rem; margin-bottom: 18px; }
.footer-logo img { width: 46px; height: 46px; object-fit: contain; }
.footer-text-link { color: var(--cyan); text-decoration: none; font-weight: 700; }
.footer-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.footer-links h2 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-links a { display: block; width: fit-content; margin: 8px 0; color: #BFC8DF; text-decoration: none; font-size: .92rem; }
.footer-links a:hover { color: #fff; }
.footer-notice { border-top: 1px solid rgba(255,255,255,.09); border-bottom: 1px solid rgba(255,255,255,.09); }
.footer-notice p { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 20px 0; color: #9FAAC6; font-size: .88rem; }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 20px 0; display: flex; justify-content: space-between; gap: 20px; color: #8F9AB8; font-size: .85rem; }
.mobile-quick-nav { display: none; }
@media (max-width: 1060px) {
    .nav-core { display: none; }
    .header-inner { grid-template-columns: auto 1fr auto; }
    .site-logo { justify-self: start; }
    .hero-grid, .page-hero-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: 1fr; }
    .article-aside { position: static; grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
    body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
    .header-inner { width: min(100% - 24px, var(--max)); min-height: 64px; grid-template-columns: 48px 1fr auto; gap: 8px; }
    .mobile-menu-trigger { display: inline-flex; justify-self: start; }
    .desktop-menu-trigger { display: none; }
    .site-logo { justify-self: center; }
    .site-logo img { width: 38px; height: 38px; }
    .site-logo strong { display: none; }
    .header-cta { min-height: 40px; padding: 8px 14px; font-size: .86rem; }
    .hero { min-height: auto; }
    .hero-grid, .page-hero-grid { grid-template-columns: 1fr; padding: 58px 0; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 560px; margin: 0 auto; }
    .float-chip { font-size: .8rem; }
    .highlight-strip { margin-top: -16px; }
    .highlight-grid { grid-template-columns: 1fr 1fr; padding: 12px; }
    .section { padding: 64px 0; }
    .split-grid, .three-grid, .safety-grid, .media-panel, .media-panel.reverse { grid-template-columns: 1fr; }
    .media-panel.reverse .media-image { order: 0; }
    .safety-copy { padding: 34px 28px; }
    .safety-images { min-height: auto; }
    .review-grid { grid-template-columns: 1fr; }
    .page-hero-copy { text-align: center; }
    .breadcrumbs { justify-content: center; }
    .page-hero-image { max-width: 560px; margin: 0 auto; }
    .article-aside { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; }
    .mobile-quick-nav { position: fixed; left: 10px; right: 10px; bottom: max(8px, env(safe-area-inset-bottom)); z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px; border: 1px solid rgba(91,108,255,.16); border-radius: 22px; background: rgba(255,255,255,.94); box-shadow: 0 16px 40px rgba(22,33,62,.20); backdrop-filter: blur(14px); }
    .mobile-quick-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); text-decoration: none; font-size: .76rem; }
    .mobile-quick-nav span { color: var(--primary); font-size: 1.15rem; line-height: 1; }
}
@media (max-width: 540px) {
    .container, .footer-inner, .footer-notice p, .footer-bottom { width: min(100% - 28px, var(--max)); }
    h1 { font-size: clamp(2.35rem, 15vw, 3.9rem); }
    .hero-subtitle { margin-top: -10px; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item { padding: 14px; }
    .channel-pill { flex-basis: 100%; max-width: none; border-radius: 18px; }
    .media-panel, .content-card, .article-section { padding: 22px; }
    .content-card .card-image { margin: -22px -22px 20px; }
    .safety-images { grid-template-columns: 1fr; }
    .safety-images figure + figure { border-left: 0; border-top: 1px solid rgba(255,255,255,.10); }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 22px; }
    .stat-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}