:root {
    --bg: #F5F7FF;
    --ink: #1F2740;
    --title: #131A35;
    --muted: #66708A;
    --soft: #9AA4BA;
    --brand: #5B6CFF;
    --brand-2: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --deep: #16213E;
    --card: #FFFFFF;
    --border: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
    --container: min(1180px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20000; transform: translateY(-150%); background: #fff; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: 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; min-width: max-content; color: #fff; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; display: block; }
.site-logo strong { font-size: 19px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 7px; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 11px; 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; min-width: max-content; }
.main-btn, .outline-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .outline-btn:hover { transform: translateY(-2px); }
.outline-btn { border: 1px solid rgba(91,108,255,.28); background: #fff; color: var(--brand); }
.menu-toggle { width: 44px; height: 44px; padding: 0; border: 0; border-radius: 14px; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; border-radius: 10px; background: #fff; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(5,8,22,.56); backdrop-filter: blur(3px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 70px rgba(11,16,36,.25); transform: translateX(104%); transition: transform .25s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; }
.drawer-brand img { width: 40px; height: 40px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--title); font-size: 27px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 22px 0; }
.drawer-nav a { padding: 11px 13px; border: 1px solid var(--border); border-radius: 14px; color: var(--ink); background: #fff; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--brand); background: #F0F2FF; }
.drawer-note { padding: 18px; border-radius: 18px; background: linear-gradient(135deg, #EEF1FF, #EAFBFF); }
.drawer-note p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.container { width: var(--container); margin-inline: auto; }
.section { padding: 82px 0; }
.section.compact { padding: 52px 0; }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #8A5A00; font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 28px; height: 3px; border-radius: 99px; background: linear-gradient(90deg, var(--brand), var(--cyan)); }
h1, h2, h3 { margin-top: 0; color: var(--title); line-height: 1.25; }
h1 { font-size: clamp(38px, 6vw, 72px); letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.025em; }
h3 { font-size: 21px; }
p { margin-top: 0; }
.lead { color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.hero { position: relative; overflow: hidden; padding: 82px 0 76px; background: radial-gradient(circle at 15% 10%, rgba(122,92,255,.20), transparent 34%), radial-gradient(circle at 85% 25%, rgba(0,212,255,.20), transparent 32%), linear-gradient(145deg, #F9F6FF 0%, #EFF8FF 55%, #FFF8EE 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; right: -70px; top: 20px; background: rgba(91,108,255,.08); }
.hero::after { width: 180px; height: 180px; left: -45px; bottom: -40px; background: rgba(255,200,87,.16); }
.hero-grid { position: relative; z-index: 1; width: var(--container); margin: 0 auto; display: grid; grid-template-columns: 1.03fr .97fr; gap: 58px; align-items: center; }
.hero-copy { max-width: 650px; }
.hero-copy h1 { margin-bottom: 14px; }
.hero-copy h1 span { display: block; font-size: .43em; margin-top: 10px; color: var(--brand); letter-spacing: 0; }
.hero-copy .lead { max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 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(--title); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 560px; object-fit: contain; filter: drop-shadow(0 30px 48px rgba(42,57,120,.22)); }
.floating-note { position: absolute; right: 1%; bottom: 4%; max-width: 220px; padding: 14px 16px; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(255,255,255,.85); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.floating-note strong { display: block; color: var(--title); }
.floating-note span { color: var(--muted); font-size: 13px; }
.highlight-strip { margin-top: -26px; position: relative; z-index: 4; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 24px; border-right: 1px solid var(--border); }
.highlight-item:last-child { border-right: 0; }
.highlight-item strong { display: block; color: var(--title); margin-bottom: 5px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-nav a { display: inline-flex; flex-direction: column; gap: 2px; min-width: 150px; flex: 1 1 170px; padding: 15px 17px; border: 1px solid var(--border); border-radius: 18px; background: #fff; color: var(--title); box-shadow: 0 10px 25px rgba(25,43,91,.06); }
.pill-nav a span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: stretch; }
.triple { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.card, .info-card, .review-card { padding: 28px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: linear-gradient(145deg, #EEF1FF, #F1FBFF); }
.zone-card .zone-body { padding: 28px; }
.card p, .zone-card p, .info-card p { color: var(--muted); }
.card ul, .info-card ul { padding-left: 18px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 6px; font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.media-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; padding: 34px; border-radius: 30px; background: linear-gradient(145deg, #11182F, #202B56); color: #EEF2FF; box-shadow: var(--shadow); }
.media-panel h2, .media-panel h3 { color: #fff; }
.media-panel p { color: #C9D2EE; }
.media-panel img { width: 100%; max-height: 410px; object-fit: contain; }
.soft-section { background: linear-gradient(180deg, rgba(234,247,255,.75), rgba(245,247,255,0)); }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 180px; gap: 16px; padding: 30px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.safety-card img { width: 100%; height: 170px; object-fit: contain; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review-card { position: relative; }
.review-card::before { content: "“"; position: absolute; top: 10px; right: 20px; color: rgba(91,108,255,.16); font: 700 70px/1 Georgia, serif; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--title); }
.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: 0 12px 30px rgba(25,43,91,.07); }
summary { cursor: pointer; padding: 18px 22px; color: var(--title); font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
.notice { padding: 28px; border: 1px solid rgba(255,200,87,.55); border-radius: var(--radius); background: linear-gradient(135deg, #FFF4D6, #FFF9EC); }
.notice h2 { font-size: 27px; }
.notice p:last-child { margin-bottom: 0; }
.inner-hero { padding: 70px 0; background: radial-gradient(circle at 80% 5%, rgba(0,212,255,.18), transparent 35%), linear-gradient(145deg, #F9F6FF, #EFF8FF); }
.inner-hero-grid { width: var(--container); margin: 0 auto; display: grid; grid-template-columns: 1.06fr .94fr; gap: 50px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 5vw, 62px); }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 25px 38px rgba(42,57,120,.18)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--brand); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 32px; align-items: start; }
.prose-card { padding: 34px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.prose-card h2 { font-size: 30px; margin-top: 34px; }
.prose-card h2:first-child { margin-top: 0; }
.prose-card p { color: #4E5873; }
.prose-card img { display: block; width: 100%; max-height: 430px; margin: 22px 0; object-fit: contain; border-radius: 20px; background: #F2F5FF; }
.side-stack { display: grid; gap: 18px; position: sticky; top: 96px; }
.side-card { padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.side-card h2, .side-card h3 { font-size: 21px; }
.side-card a { display: block; padding: 8px 0; border-bottom: 1px dashed rgba(91,108,255,.18); }
.side-card a:last-child { border-bottom: 0; }
.check-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center; background: #EBEEFF; color: var(--brand); font-size: 12px; font-weight: 900; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px; border-radius: 28px; color: #fff; background: linear-gradient(135deg, #16213E, #5B6CFF 70%, #00BBD9); box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: #E8ECFF; }
.cta-band .main-btn { background: #fff; color: var(--brand); box-shadow: none; min-width: max-content; }
.site-footer { margin-top: 80px; padding: 68px 0 30px; background: #0B1024; color: #EEF2FF; }
.footer-grid { width: var(--container); margin: 0 auto; display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 34px; }
.footer-grid h2 { color: #fff; font-size: 17px; }
.footer-grid a { display: block; padding: 5px 0; color: #C7D0EC; }
.footer-grid p { color: #AEB9D7; }
.footer-brand { max-width: 390px; }
.footer-logo { margin-bottom: 18px; }
.footer-bottom { width: var(--container); margin: 34px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.10); display: flex; justify-content: space-between; gap: 22px; color: #9EABC8; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-bottom a { color: #C7D0EC; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1020px) {
    .nav-core { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .desktop-menu-toggle { display: none; }
    .hero-grid, .inner-hero-grid, .media-panel { grid-template-columns: 1fr; }
    .hero-copy { max-width: none; }
    .hero-visual img { max-height: 480px; }
    .content-grid { grid-template-columns: 1fr; }
    .side-stack { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / -1; }
}
@media (max-width: 760px) {
    :root { --container: min(100% - 28px, 1180px); }
    body { padding-bottom: 74px; }
    .header-inner { min-height: 64px; gap: 10px; }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .header-cta { min-height: 40px; padding: 0 14px; font-size: 13px; }
    .hero, .inner-hero { padding: 56px 0 60px; }
    .hero-grid, .inner-hero-grid { gap: 34px; }
    .hero-copy h1 span { font-size: .48em; }
    .floating-note { position: static; margin-top: 12px; max-width: none; }
    .highlight-strip { margin-top: -18px; }
    .highlight-grid { grid-template-columns: 1fr 1fr; }
    .highlight-item:nth-child(2) { border-right: 0; }
    .highlight-item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
    .split, .triple, .safety-grid, .review-grid { grid-template-columns: 1fr; }
    .media-panel { padding: 25px; }
    .safety-card { grid-template-columns: 1fr; }
    .safety-card img { height: 150px; }
    .section { padding: 64px 0; }
    .prose-card { padding: 25px; }
    .side-stack { grid-template-columns: 1fr; }
    .cta-band { flex-direction: column; align-items: flex-start; padding: 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid > div:last-child { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
    .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); min-height: 60px; padding: 7px; border: 1px solid rgba(91,108,255,.20); border-radius: 19px; background: rgba(255,255,255,.94); box-shadow: 0 16px 40px rgba(25,43,91,.20); backdrop-filter: blur(14px); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: var(--muted); font-size: 11px; border-radius: 13px; }
    .mobile-bottom-nav a span { font-size: 17px; }
    .mobile-bottom-nav a.active { color: var(--brand); background: #EFF1FF; }
}
@media (max-width: 460px) {
    .drawer-nav { grid-template-columns: 1fr; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item { border-right: 0; border-bottom: 1px solid var(--border); }
    .highlight-item:last-child { border-bottom: 0; }
    .hero-actions { display: grid; }
    .hero-actions a { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
