:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --accent: #D94F70;
    --lavender: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --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%);
}
* { 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 { max-width: 100%; height: auto; object-fit: contain; }
button, input, textarea, select { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 20000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px; transition: .2s; }
.skip-link:focus { top: 12px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow-container { width: min(900px, calc(100% - 40px)); }
.section-space { padding: 92px 0; }
.section-heading { margin-bottom: 36px; text-align: center; }
.section-heading h2, .media-copy h2, .compliance-grid h2 { margin: 8px 0 0; color: var(--title); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; }
.split-heading { display: flex; align-items: end; justify-content: space-between; text-align: left; gap: 28px; }
.split-heading p { max-width: 520px; color: var(--muted); margin: 0; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 800; letter-spacing: .12em; font-size: 14px; }
.section-kicker::before { content: ""; width: 26px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--cyan)); }
.badge { display: inline-block; color: #6F4D00; background: #FFF4D6; border-radius: 999px; padding: 5px 11px; font-weight: 800; font-size: 13px; }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: var(--gradient); box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { color: var(--primary); background: rgba(255,255,255,.88); border: 1px solid var(--border); }
.compact-btn { min-height: 42px; padding: 0 19px; white-space: nowrap; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 800; }
.text-link:hover { color: var(--lavender); }
.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 24px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.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: 48px; max-height: 44px; display: block; }
.site-logo strong { font-size: 20px; letter-spacing: .02em; }
.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; }
.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; }
.menu-trigger { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-trigger span { width: 17px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-trigger { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,24,.58); backdrop-filter: blur(3px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100vh; padding: 24px; background: #fff; box-shadow: -20px 0 60px rgba(5,10,35,.22); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head, .drawer-brand { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.drawer-brand { color: var(--title); justify-content: flex-start; }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; background: #EEF0FF; color: var(--title); border-radius: 50%; font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; gap: 6px; margin: 24px 0; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 14px; color: var(--text); text-decoration: none; font-weight: 700; }
.drawer-nav a:hover, .drawer-nav a.active { background: #EEF1FF; color: var(--primary); }
.drawer-note { background: #11182F; color: #EEF2FF; border-radius: 20px; padding: 20px; }
.drawer-note p { margin-bottom: 0; color: #C7D0EA; }
.home-hero { position: relative; min-height: 720px; display: flex; align-items: center; padding: 76px 0 86px; overflow: hidden; background: radial-gradient(circle at 12% 18%, rgba(255,200,87,.22), transparent 30%), radial-gradient(circle at 86% 10%, rgba(0,212,255,.2), transparent 32%), linear-gradient(135deg, #F7F1FF 0%, #EAF7FF 55%, #FFF5FB 100%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(5px); opacity: .5; }
.glow-one { width: 220px; height: 220px; right: 8%; bottom: 8%; background: rgba(122,92,255,.22); }
.glow-two { width: 150px; height: 150px; left: 5%; top: 18%; background: rgba(255,200,87,.24); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 64px; }
.hero-pill { display: inline-flex; color: var(--primary); background: rgba(255,255,255,.78); border: 1px solid var(--border); border-radius: 999px; padding: 8px 14px; font-weight: 800; font-size: 13px; }
.hero-copy h1 { margin: 22px 0 0; color: var(--title); font-size: clamp(58px, 8vw, 94px); line-height: .98; letter-spacing: -.05em; }
.hero-copy h2 { margin: 18px 0; color: var(--deep); font-size: clamp(27px, 4vw, 42px); line-height: 1.25; }
.hero-copy p { color: var(--muted); font-size: 17px; max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-points span { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.82); color: var(--text); border: 1px solid rgba(91,108,255,.13); font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.visual-frame { width: min(540px, 100%); padding: 16px; border-radius: 36px; background: rgba(255,255,255,.76); border: 1px solid rgba(255,255,255,.9); box-shadow: 0 32px 80px rgba(57,65,128,.2); transform: rotate(1.5deg); }
.visual-frame img { width: 100%; max-height: 520px; border-radius: 26px; }
.floating-card { position: absolute; min-width: 190px; padding: 15px 18px; border-radius: 18px; background: rgba(17,24,47,.92); color: #fff; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.floating-card span { display: block; color: var(--cyan); font-size: 12px; font-weight: 800; margin-bottom: 3px; }
.floating-card strong { font-size: 14px; }
.floating-card-one { left: -18px; top: 18%; }
.floating-card-two { right: -12px; bottom: 12%; }
.feature-strip { position: relative; z-index: 2; margin-top: -42px; }
.feature-strip-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.9); border-radius: 26px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.feature-strip-grid > div { padding: 16px; border-right: 1px solid var(--border); }
.feature-strip-grid > div:last-child { border-right: 0; }
.feature-strip h2 { margin: 8px 0 3px; font-size: 18px; color: var(--title); }
.feature-strip p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.mini-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 12px; color: var(--primary); background: #EEF1FF; font-weight: 900; }
.channel-pills { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.channel-pills a { min-height: 132px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 32px rgba(25,43,91,.08); text-decoration: none; transition: .2s; }
.channel-pills a:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(91,108,255,.38); }
.channel-pills strong { color: var(--title); font-size: 17px; }
.channel-pills span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.media-split.reverse .media-copy { order: 1; }
.media-split.reverse .media-frame { order: 2; }
.media-collage { position: relative; min-height: 520px; }
.media-collage .primary-image { width: 82%; max-height: 500px; padding: 16px; border-radius: 32px; background: #fff; box-shadow: var(--shadow); }
.media-collage .small-image { position: absolute; right: 0; bottom: 0; width: 54%; max-height: 260px; padding: 10px; border-radius: 24px; background: #11182F; box-shadow: var(--shadow); }
.media-copy p { color: var(--muted); }
.media-copy .main-btn { margin-top: 12px; }
.media-frame { padding: 18px; border-radius: 32px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.media-frame img { width: 100%; max-height: 500px; border-radius: 24px; }
.inline-points { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.inline-points li { padding: 7px 12px; border-radius: 999px; background: #EEF1FF; color: var(--primary); font-size: 13px; font-weight: 700; }
.light-section { background: linear-gradient(180deg, #EFF8FF 0%, #F8F4FF 100%); }
.dual-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.zone-card, .info-card, .review-card, .card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.zone-card { overflow: hidden; }
.zone-card > img { width: 100%; height: 290px; object-fit: contain; background: #EEF4FF; }
.zone-card > div { padding: 30px; }
.zone-card h2, .info-card h2 { color: var(--title); line-height: 1.3; }
.zone-card p, .info-card p { color: var(--muted); }
.zone-card ul { padding-left: 20px; color: var(--muted); }
.dark-section { background: #0F1731; }
.dark-card { background: #11182F; border-color: rgba(255,255,255,.09); box-shadow: none; }
.dark-card > img { background: #172241; }
.dark-card h2 { color: #fff; }
.dark-card p, .dark-card ul { color: #C4CDE4; }
.dark-card .text-link { color: var(--cyan); }
.triple-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.info-card { padding: 18px; }
.info-card img { width: 100%; height: 220px; object-fit: contain; background: #F0F6FF; border-radius: 17px; margin-bottom: 20px; }
.info-card h2 { font-size: 22px; }
.story-gallery { margin-top: 26px; display: grid; grid-template-columns: 1.1fr .8fr 1.1fr; gap: 18px; }
.story-gallery figure { margin: 0; overflow: hidden; border-radius: 22px; background: #11182F; border: 1px solid rgba(91,108,255,.15); box-shadow: var(--shadow); }
.story-gallery img { width: 100%; height: 230px; object-fit: contain; background: #EEF4FF; display: block; }
.story-gallery figcaption { padding: 15px 18px; color: #EEF2FF; font-size: 14px; font-weight: 700; }
.safety-home { background: linear-gradient(135deg,#F2F5FF,#EAF7FF); }
.safety-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 62px; align-items: center; }
.safety-images { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.safety-images img { height: 360px; padding: 12px; border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.safety-images img:nth-child(2) { margin-top: 48px; }
.security-list { display: grid; gap: 10px; margin-top: 24px; }
.security-list a { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.8); border: 1px solid var(--border); text-decoration: none; }
.security-list strong { color: var(--title); }
.security-list span { color: var(--muted); font-size: 14px; }
.reviews-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { margin: 0; padding: 25px; }
.review-card p { margin: 0; color: var(--text); }
.review-card p::before { content: "“"; display: block; color: var(--lavender); font-size: 50px; line-height: .65; margin-bottom: 12px; }
.review-card footer { margin-top: 20px; color: var(--muted); font-size: 13px; }
.review-card footer::before { content: "— "; }
.faq-section { background: #fff; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 18px; background: #FAFBFF; padding: 0 20px; }
.faq-list summary { cursor: pointer; list-style: none; padding: 20px 32px 20px 0; color: var(--title); font-weight: 800; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 26px; color: var(--primary); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -2px 0 20px; color: var(--muted); }
.large-faq details p { font-size: 15px; }
.faq-more { text-align: center; margin-top: 30px; }
.compliance-band { padding: 58px 0; background: linear-gradient(135deg,#11182F,#16213E); color: #EEF2FF; }
.compliance-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center; }
.compliance-grid h2 { color: #fff; font-size: clamp(28px,4vw,40px); }
.compliance-grid p { color: #CBD4EC; margin: 0; }
.about-home { background: #F8F5FF; }
.inner-hero { padding: 78px 0; background: radial-gradient(circle at 85% 20%,rgba(0,212,255,.2),transparent 30%), linear-gradient(135deg,#F5F0FF,#EAF7FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.inner-hero-copy h1 { margin: 14px 0 20px; color: var(--title); font-size: clamp(42px,6vw,66px); line-height: 1.08; letter-spacing: -.035em; }
.inner-hero-copy p { color: var(--muted); font-size: 17px; }
.inner-hero-media { padding: 16px; border-radius: 30px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); }
.inner-hero-media img { width: 100%; max-height: 470px; border-radius: 22px; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 42px; align-items: start; }
.article-main { display: grid; gap: 22px; }
.article-section { position: relative; padding: 38px; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 38px rgba(25,43,91,.08); }
.article-section.soft-section { background: #F0F7FF; }
.section-number { display: inline-block; color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: .15em; }
.article-section h2 { margin: 8px 0 18px; color: var(--title); font-size: 27px; line-height: 1.3; }
.article-section p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 9px; }
.check-list li { position: relative; padding-left: 28px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: #E9F9FF; color: #007F99; font-size: 12px; font-weight: 900; }
.article-aside { position: sticky; top: 96px; display: grid; gap: 18px; }
.aside-card { padding: 26px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.aside-card h2 { color: var(--title); font-size: 22px; line-height: 1.35; }
.aside-card p { color: var(--muted); font-size: 14px; }
.dark-aside { background: #11182F; color: #fff; border-color: transparent; }
.dark-aside h2 { color: #fff; }
.dark-aside p { color: #C5CEE4; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 20px; }
.footer-inner { width: min(1180px,calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.footer-brand p { color: #AEB8D3; max-width: 430px; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.footer-links h2 { margin: 0 0 14px; color: #fff; font-size: 15px; }
.footer-links a { display: block; color: #AEB8D3; text-decoration: none; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { width: min(1180px,calc(100% - 40px)); margin: 46px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #8994B3; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { color: #AEB8D3; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 9px; font-size: 14px; }
    .hero-grid, .inner-hero-grid, .media-split, .safety-grid { gap: 40px; }
    .channel-pills { grid-template-columns: repeat(3,1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-aside { position: static; grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
    .section-space { padding: 70px 0; }
    .nav-core, .desktop-menu-trigger { display: none; }
    .mobile-menu-trigger { display: inline-flex; }
    .site-logo strong { display: none; }
    .header-inner { padding: 0 14px; gap: 10px; }
    .header-inner > .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .header-actions { margin-left: auto; }
    .hero-grid, .inner-hero-grid, .media-split, .safety-grid { grid-template-columns: 1fr; }
    .home-hero { min-height: auto; padding: 60px 0 100px; }
    .hero-copy { text-align: center; }
    .hero-copy p { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { min-height: 430px; }
    .feature-strip-grid { grid-template-columns: repeat(2,1fr); }
    .feature-strip-grid > div { border-right: 0; border-bottom: 1px solid var(--border); }
    .feature-strip-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
    .media-split.reverse .media-copy, .media-split.reverse .media-frame { order: initial; }
    .media-collage { min-height: 430px; }
    .triple-grid, .reviews-grid, .story-gallery { grid-template-columns: repeat(2,1fr); }
    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
    .compliance-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 640px) {
    body { padding-bottom: 70px; }
    .container, .narrow-container { width: min(100% - 28px, 1180px); }
    .section-space { padding: 58px 0; }
    .compact-btn { min-height: 38px; padding: 0 14px; font-size: 13px; }
    .site-logo img { max-width: 40px; max-height: 38px; }
    .hero-copy h1 { font-size: 58px; }
    .hero-copy h2 { font-size: 29px; }
    .hero-copy p, .inner-hero-copy p { font-size: 15px; }
    .hero-visual { min-height: 360px; }
    .floating-card { min-width: 160px; padding: 12px; }
    .floating-card-one { left: -4px; }
    .floating-card-two { right: -4px; }
    .feature-strip { margin-top: -38px; }
    .feature-strip-grid, .channel-pills, .dual-grid, .triple-grid, .reviews-grid, .story-gallery, .article-aside { grid-template-columns: 1fr; }
    .feature-strip-grid > div { border-bottom: 1px solid var(--border) !important; }
    .feature-strip-grid > div:last-child { border-bottom: 0 !important; }
    .split-heading { display: block; }
    .split-heading p { margin-top: 15px; }
    .channel-pills a { min-height: 110px; }
    .media-collage { min-height: 350px; }
    .media-collage .primary-image { width: 88%; }
    .media-collage .small-image { width: 58%; }
    .zone-card > img { height: 220px; }
    .safety-images img { height: 250px; }
    .security-list a { grid-template-columns: 1fr; gap: 2px; }
    .inner-hero { padding: 56px 0; }
    .inner-hero-copy h1 { font-size: 42px; }
    .article-section { padding: 26px 22px; }
    .footer-links { grid-template-columns: repeat(2,1fr); }
    .footer-bottom { display: block; }
    .footer-bottom div { margin-top: 12px; flex-wrap: wrap; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); height: 64px; background: rgba(11,16,36,.96); backdrop-filter: blur(14px); border-top: 1px solid rgba(255,255,255,.12); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; color: #EEF2FF; text-decoration: none; font-size: 11px; gap: 1px; }
    .mobile-bottom-nav span { color: var(--cyan); font-size: 17px; line-height: 1; }
    .site-footer { padding-bottom: 30px; }
}
