:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --violet: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --border: rgba(91,108,255,0.18);
    --shadow: 0 20px 46px rgba(25,43,91,0.14);
    --radius: 24px;
    --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; background: #fff; color: var(--brand); padding: 10px 14px; border-radius: 10px; transition: top .2s; }
.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 { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 20px; 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: 46px; max-height: 44px; display: block; object-fit: contain; }
.site-logo strong { font-size: 20px; letter-spacing: .04em; }
.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; 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: 44px; padding: 10px 22px; border: 0; border-radius: 999px; text-decoration: none; color: #fff; font-weight: 700; background: linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%); 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(91,108,255,0.3); }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 20px; border-radius: 999px; text-decoration: none; color: var(--brand); font-weight: 700; border: 1px solid var(--border); background: rgba(255,255,255,.88); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 4px; background: #fff; }
.menu-toggle-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(5,9,25,.58); opacity: 0; visibility: hidden; transition: .25s ease; }
.drawer-overlay.open { opacity: 1; visibility: visible; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(390px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(10,18,48,.25); transform: translateX(105%); transition: transform .3s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-size: 19px; font-weight: 800; }
.drawer-brand img { width: 42px; max-height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #F0F3FF; color: var(--title); cursor: pointer; font-size: 28px; line-height: 1; }
.drawer-intro { color: var(--muted); margin: 20px 0 14px; }
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; text-decoration: none; color: var(--text); padding: 12px 14px; border-radius: 14px; background: #F8F9FF; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--brand); background: #EEF0FF; }
.drawer-safety { margin-top: 20px; padding: 16px; border-radius: 16px; color: #5D6174; background: #FFF7E4; border: 1px solid rgba(255,200,87,.45); font-size: 14px; }
.site-main { min-height: 70vh; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section-tight { padding: 58px 0; }
.section-soft { background: linear-gradient(180deg,rgba(234,247,255,.85),rgba(245,247,255,.5)); }
.section-white { background: #fff; }
.section-deep { background: linear-gradient(135deg,#11182F,#16213E); color: #EEF2FF; }
.section-deep h2, .section-deep h3 { color: #fff; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--violet); font-weight: 800; letter-spacing: .08em; font-size: 14px; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 3px; background: linear-gradient(90deg,var(--brand),var(--cyan)); }
.section-title { margin: 0; color: var(--title); font-size: clamp(30px,4.2vw,52px); line-height: 1.2; letter-spacing: -.02em; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading p { color: var(--muted); margin: 16px 0 0; }
.hero { position: relative; overflow: hidden; padding: 92px 0 70px; background: radial-gradient(circle at 12% 20%,rgba(122,92,255,.22),transparent 28%), radial-gradient(circle at 88% 18%,rgba(0,212,255,.2),transparent 30%), linear-gradient(135deg,#F7F4FF 0%,#EAF7FF 52%,#FFF3FA 100%); }
.hero::before, .hero::after { content:""; position:absolute; border-radius:50%; filter: blur(2px); }
.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: 7%; top: 80px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; }
.hero-copy h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(50px,7vw,86px); line-height: 1; letter-spacing: -.04em; }
.hero-copy .hero-subtitle { margin: 0 0 20px; color: var(--deep); font-size: clamp(24px,3vw,38px); font-weight: 800; line-height: 1.3; }
.hero-copy .hero-text { max-width: 680px; color: var(--muted); font-size: 17px; }
.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: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.8); color: var(--deep); border: 1px solid rgba(91,108,255,.14); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 580px; object-fit: contain; filter: drop-shadow(0 28px 45px rgba(43,57,115,.22)); }
.floating-card { position: absolute; max-width: 210px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.floating-card strong { display: block; color: var(--title); }
.floating-card span { color: var(--muted); font-size: 13px; }
.floating-one { left: -20px; bottom: 38px; }
.floating-two { right: -10px; top: 34px; }
.highlight-strip { margin-top: -22px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.highlight-item { padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); }
.highlight-item h2, .highlight-item h3 { margin: 0 0 6px; color: var(--title); font-size: 18px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { min-width: 210px; flex: 1 1 210px; padding: 15px 17px; border-radius: 999px; text-decoration: none; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 26px rgba(25,43,91,.08); }
.channel-pill strong { color: var(--title); margin-right: 8px; }
.channel-pill span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; align-items: stretch; }
.split-media { display: grid; grid-template-columns: .95fr 1.05fr; gap: 44px; align-items: center; }
.media-frame { position: relative; padding: 18px; background: linear-gradient(135deg,rgba(91,108,255,.12),rgba(0,212,255,.14)); border-radius: 30px; }
.media-frame img { width: 100%; max-height: 520px; object-fit: contain; display: block; border-radius: 22px; }
.card, .zone-card, .info-card, .review-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: 280px; object-fit: contain; background: linear-gradient(135deg,#F3F1FF,#EAF7FF); padding: 12px; }
.zone-card-body { padding: 26px; }
.zone-card h3, .info-card h3 { margin: 0 0 10px; color: var(--title); font-size: 25px; }
.zone-card p, .info-card p { color: var(--muted); }
.text-link { color: var(--brand); text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; }
.feature-list { display: grid; gap: 12px; margin: 22px 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 26px; color: var(--text); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--violet); font-weight: 900; }
.triple { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.info-card { padding: 24px; }
.info-card img { width: 100%; height: 200px; object-fit: contain; border-radius: 16px; margin-bottom: 18px; background: #F4F6FF; }
.safety-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.safety-card { display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: center; padding: 26px; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.safety-card img { width: 150px; height: 150px; object-fit: contain; }
.safety-card h3 { margin: 0 0 8px; color: var(--title); }
.safety-card p { margin: 0; color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { margin: 0 0 16px; color: var(--text); }
.review-card .reviewer { color: var(--muted); font-size: 14px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--border); border-radius: 18px; background: #fff; overflow: hidden; }
.faq-item details { padding: 0 20px; }
.faq-item summary { cursor: pointer; padding: 18px 0; color: var(--title); font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 0; padding: 0 0 20px; color: var(--muted); }
.notice { padding: 28px; border-radius: 24px; background: linear-gradient(135deg,#FFF7E1,#FFF0F6); border: 1px solid rgba(255,200,87,.45); }
.notice h2, .notice h3 { margin-top: 0; color: var(--title); }
.page-hero { padding: 82px 0 52px; background: radial-gradient(circle at 15% 20%,rgba(122,92,255,.2),transparent 28%), radial-gradient(circle at 90% 10%,rgba(0,212,255,.16),transparent 30%), linear-gradient(135deg,#F7F4FF,#EEF8FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; }
.page-hero h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(40px,5.5vw,68px); line-height: 1.1; }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 38px rgba(43,57,115,.18)); }
.page-content { display: grid; gap: 28px; }
.content-card { padding: 30px; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: 0 16px 38px rgba(25,43,91,.1); }
.content-card h2 { margin: 0 0 12px; color: var(--title); font-size: 28px; }
.content-card p { margin: 0 0 14px; color: var(--muted); }
.content-card p:last-child { margin-bottom: 0; }
.content-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.mini-card { padding: 22px; border-radius: 20px; background: #F8F9FF; border: 1px solid rgba(91,108,255,.12); }
.mini-card h3 { margin: 0 0 8px; color: var(--title); }
.mini-card p { margin: 0; color: var(--muted); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 34px; border-radius: 28px; color: #fff; background: linear-gradient(135deg,#5B6CFF,#7A5CFF 48%,#00B8D9); box-shadow: 0 24px 50px rgba(91,108,255,.26); }
.cta-band h2 { margin: 0 0 8px; color: #fff; }
.cta-band p { margin: 0; color: rgba(255,255,255,.85); }
.cta-band .secondary-btn { flex: 0 0 auto; background: #fff; }
.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 7px; color: var(--title); font-weight: 700; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: 13px 14px; border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--text); outline: none; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(91,108,255,.1); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 22px; }
.footer-inner { width: min(var(--container),calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.footer-brand p { max-width: 470px; color: #AEB7D0; }
.footer-logo { margin-bottom: 16px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.footer-links h3 { margin: 0 0 14px; color: #fff; }
.footer-links a { display: block; margin: 8px 0; color: #AEB7D0; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(var(--container),calc(100% - 40px)); margin: 38px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #8F9AB8; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #AEB7D0; text-decoration: none; margin-left: 14px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1020px) {
    .nav-core { display: none; }
    .menu-toggle-mobile { display: inline-flex; }
    .site-logo { margin-right: auto; }
    .hero-grid, .page-hero-grid, .split-media { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .hero-text { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 720px; margin: 0 auto; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .triple, .review-grid { grid-template-columns: repeat(2,1fr); }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px) {
    body { padding-bottom: 72px; }
    .header-inner { min-height: 64px; padding: 0 12px; gap: 10px; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); margin: 0; }
    .site-logo img { max-width: 36px; max-height: 36px; }
    .site-logo strong { display: none; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 38px; padding: 8px 14px; font-size: 13px; }
    .menu-toggle-desktop { display: none; }
    .menu-toggle { width: 40px; height: 40px; border-radius: 12px; }
    .site-drawer { left: 0; right: auto; transform: translateX(-105%); }
    .site-drawer.open { transform: translateX(0); }
    .container { width: min(100% - 28px, var(--container)); }
    .section { padding: 62px 0; }
    .section-tight { padding: 44px 0; }
    .hero { padding: 64px 0 46px; }
    .hero-grid { gap: 36px; }
    .hero-copy h1 { font-size: 52px; }
    .hero-copy .hero-subtitle { font-size: 25px; }
    .hero-copy .hero-text { font-size: 15px; }
    .floating-card { display: none; }
    .highlight-strip { margin-top: 0; padding-top: 18px; }
    .highlight-grid, .split, .triple, .safety-grid, .review-grid, .content-columns { grid-template-columns: 1fr; }
    .channel-pill { min-width: 100%; border-radius: 20px; }
    .zone-card img { height: 230px; }
    .safety-card { grid-template-columns: 96px 1fr; padding: 20px; }
    .safety-card img { width: 96px; height: 96px; }
    .page-hero { padding: 58px 0 40px; }
    .page-hero-grid { gap: 28px; }
    .content-card { padding: 22px; }
    .cta-band { align-items: flex-start; flex-direction: column; padding: 26px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom a { margin: 0 14px 0 0; }
    .mobile-bottom-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-radius: 20px; background: rgba(11,16,36,.94); backdrop-filter: blur(14px); box-shadow: 0 12px 34px rgba(10,18,48,.28); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: #AEB7D0; text-decoration: none; font-size: 11px; }
    .mobile-bottom-nav a span { font-size: 19px; line-height: 1; }
    .mobile-bottom-nav a.active { color: #fff; }
}
@media (max-width: 420px) {
    .footer-links { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions a { width: 100%; }
}