:root {
    --bg: #F5F7FF;
    --ink: #1F2740;
    --title: #131A35;
    --muted: #66708A;
    --light-muted: #9AA4BA;
    --brand: #5B6CFF;
    --brand-2: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --deep: #16213E;
    --footer: #0B1024;
    --card: #FFFFFF;
    --line: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", 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; display: block; }
button, input, textarea { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 9999; width: 100%; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { max-width: 1280px; min-height: 72px; margin: 0 auto; padding: 0 24px; 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: 44px; height: 44px; object-fit: contain; }
.site-logo strong { font-size: 20px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; 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,.16); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; color: #fff; text-decoration: none; font-weight: 700; background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.main-btn.compact { min-height: 42px; padding: 0 19px; font-size: 14px; }
.secondary-btn { display: inline-flex; min-height: 46px; align-items: center; padding: 0 22px; border: 1px solid var(--line); border-radius: 999px; color: var(--brand); text-decoration: none; background: rgba(255,255,255,.78); font-weight: 700; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; border-radius: 4px; background: #fff; }
.menu-toggle-mobile { display: none; }
.site-main { min-height: 60vh; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 78px 0; }
.section-tight { padding: 48px 0; }
.section-kicker { display: inline-flex; margin-bottom: 10px; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: #9A6B00; font-weight: 800; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(42px, 7vw, 76px); letter-spacing: -.03em; }
h2, .section-title { font-size: clamp(30px, 4.2vw, 48px); letter-spacing: -.025em; }
h3 { font-size: 21px; }
p { margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.hero { position: relative; overflow: hidden; padding: 86px 0 76px; background: radial-gradient(circle at 15% 22%, rgba(122,92,255,.18), transparent 34%), radial-gradient(circle at 90% 18%, rgba(0,212,255,.16), transparent 32%), linear-gradient(135deg, #F8F6FF 0%, #EAF7FF 52%, #FFF5FB 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; right: -80px; bottom: -110px; background: rgba(255,200,87,.22); }
.hero::after { width: 150px; height: 150px; left: 8%; top: 12%; border: 1px solid rgba(91,108,255,.16); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.hero-copy .eyebrow { display: inline-flex; padding: 7px 13px; border-radius: 999px; color: var(--brand); background: rgba(91,108,255,.1); font-weight: 700; font-size: 14px; }
.hero-copy h1 { margin: 18px 0 12px; }
.hero-copy .subtitle { margin: 0 0 18px; font-size: clamp(24px, 3vw, 38px); color: var(--deep); font-weight: 800; }
.hero-copy .description { max-width: 680px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-points span { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.8); border: 1px solid var(--line); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 4% 3%; border-radius: 36px; background: linear-gradient(135deg, rgba(91,108,255,.18), rgba(0,212,255,.12)); transform: rotate(-4deg); }
.hero-visual img { position: relative; width: 100%; max-height: 610px; object-fit: contain; filter: drop-shadow(0 28px 36px rgba(25,43,91,.18)); }
.highlight-strip { margin-top: -28px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { min-height: 150px; padding: 24px; border-radius: 22px; background: rgba(255,255,255,.92); border: 1px solid var(--line); box-shadow: var(--shadow); }
.highlight-item b { display: block; color: var(--title); font-size: 18px; margin-bottom: 8px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.capsule-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule-nav a { flex: 1 1 180px; min-height: 88px; padding: 17px 18px; border-radius: 20px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: .2s ease; }
.capsule-nav a:hover { transform: translateY(-3px); box-shadow: 0 16px 30px rgba(25,43,91,.1); }
.capsule-nav b { display: block; color: var(--title); margin-bottom: 3px; }
.capsule-nav span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 58px; }
.split.reverse .media { order: 2; }
.media img { width: 100%; max-height: 540px; object-fit: contain; border-radius: var(--radius); filter: drop-shadow(0 24px 34px rgba(25,43,91,.13)); }
.copy-panel { padding: 12px 0; }
.copy-panel p { color: var(--muted); }
.feature-list { display: grid; gap: 12px; margin: 22px 0; }
.feature-list div { padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.75); border: 1px solid var(--line); }
.feature-list strong { color: var(--title); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card, .zone-card, .info-card, .review-card, .faq-item { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.zone-card { overflow: hidden; }
.zone-card .zone-image { min-height: 240px; padding: 22px; background: linear-gradient(135deg, #EFF8FF, #F9F3FF); display: flex; align-items: center; justify-content: center; }
.zone-card .zone-image img { max-height: 300px; object-fit: contain; }
.zone-card .zone-body { padding: 26px; }
.zone-card .zone-body p { color: var(--muted); }
.info-card { padding: 28px; }
.info-card .number { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(91,108,255,.1); color: var(--brand); font-weight: 800; margin-bottom: 16px; }
.info-card p { color: var(--muted); }
.dark-section { background: linear-gradient(135deg, #11182F, #16213E); color: #EEF2FF; }
.dark-section h2, .dark-section h3 { color: #fff; }
.dark-section p { color: #CBD4EF; }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { padding: 30px; border-radius: 24px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.safety-card img { max-height: 250px; margin: 0 auto 22px; object-fit: contain; }
.review-card { padding: 26px; }
.review-card p { color: var(--muted); }
.review-card .review-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; color: var(--brand); font-weight: 700; }
.review-card .stars { color: #D79800; letter-spacing: 2px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item details { padding: 22px 24px; }
.faq-item summary { cursor: pointer; font-weight: 800; color: var(--title); }
.faq-item p { padding-top: 14px; color: var(--muted); }
.notice-box { padding: 30px; border-radius: 24px; background: linear-gradient(135deg, #FFF4D6, #EFF8FF); border: 1px solid rgba(255,200,87,.38); }
.notice-box h3 { margin-bottom: 10px; }
.inner-hero { padding: 72px 0; background: radial-gradient(circle at 15% 20%, rgba(122,92,255,.18), transparent 32%), linear-gradient(135deg, #F7F5FF, #EAF7FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 56px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 6vw, 66px); margin: 10px 0 18px; }
.inner-hero p { color: var(--muted); font-size: 17px; }
.inner-hero img { max-height: 480px; margin: 0 auto; object-fit: contain; filter: drop-shadow(0 24px 34px rgba(25,43,91,.16)); }
.article-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(270px, .55fr); gap: 34px; align-items: start; }
.article-body { background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); padding: 34px; }
.article-body section + section { margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line); }
.article-body p { color: var(--muted); }
.side-panel { position: sticky; top: 96px; display: grid; gap: 18px; }
.side-card { padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.side-card ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.page-image { width: 100%; max-height: 390px; object-fit: contain; margin: 24px auto; border-radius: 20px; background: linear-gradient(135deg, #EFF8FF, #FAF4FF); padding: 16px; }
.cta-band { padding: 40px; border-radius: 28px; background: linear-gradient(135deg, #5B6CFF, #7A5CFF 52%, #00B5DA); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.86); margin: 0; }
.cta-band .secondary-btn { background: #fff; border-color: #fff; flex: 0 0 auto; }
.site-footer { background: var(--footer); color: #EEF2FF; padding: 64px 0 24px; }
.footer-grid, .footer-bottom { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 44px; }
.footer-grid h3 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-grid a { display: block; color: #C8D1ED; text-decoration: none; margin: 8px 0; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #AEB9D8; max-width: 430px; }
.footer-logo { margin-bottom: 16px; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 20px; color: #9EABC9; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 16px; }
.footer-bottom a { color: #C8D1ED; text-decoration: none; }
.site-drawer { position: fixed; z-index: 10002; top: 0; right: 0; width: min(390px, 92vw); height: 100dvh; padding: 24px; background: #fff; transform: translateX(105%); transition: transform .24s ease; box-shadow: -24px 0 52px rgba(9,16,42,.24); overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; z-index: 10001; inset: 0; background: rgba(7,12,31,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); }
.drawer-brand img { width: 40px; height: 40px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 14px; background: #F0F3FF; color: var(--title); font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 8px; padding: 20px 0; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 14px; color: var(--ink); text-decoration: none; }
.drawer-nav a:hover, .drawer-nav a.active { background: #EFF3FF; color: var(--brand); }
.drawer-note { padding: 18px; border-radius: 18px; background: #FFF7E3; color: #6D5A2F; font-size: 13px; }
.mobile-quick-nav { display: none; }
@media (max-width: 980px) {
    .nav-core { display: none; }
    .menu-toggle-desktop { display: none; }
    .menu-toggle-mobile { display: inline-flex; }
    .header-inner { gap: 14px; padding: 0 16px; min-height: 66px; }
    .site-logo strong { font-size: 18px; }
    .site-logo img { width: 40px; height: 40px; }
    .hero-grid, .inner-hero-grid, .split, .article-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 40px; }
    .hero-copy { text-align: center; }
    .hero-copy .description { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .highlight-grid, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .split.reverse .media { order: initial; }
    .article-grid { gap: 24px; }
    .side-panel { position: static; grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 680px) {
    body { padding-bottom: 70px; }
    .header-actions .main-btn { min-height: 38px; padding: 0 14px; font-size: 13px; }
    .site-logo strong { display: none; }
    .container { width: min(100% - 28px, 1180px); }
    .section { padding: 58px 0; }
    .section-tight { padding: 38px 0; }
    .hero { padding: 58px 0 62px; }
    h1 { font-size: 43px; }
    h2, .section-title { font-size: 31px; }
    .hero-copy .subtitle { font-size: 25px; }
    .hero-copy .description, .lead { font-size: 16px; }
    .hero-actions { flex-direction: column; }
    .hero-actions a { width: 100%; }
    .highlight-strip { margin-top: -20px; }
    .highlight-grid, .grid-2, .grid-3, .grid-4, .safety-grid, .side-panel { grid-template-columns: 1fr; }
    .highlight-item { min-height: auto; }
    .capsule-nav a { flex-basis: 100%; }
    .article-body { padding: 24px 20px; }
    .inner-hero { padding: 54px 0; }
    .cta-band { padding: 28px 22px; flex-direction: column; align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
    .footer-grid > .footer-brand, .footer-grid > div:last-child { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .mobile-quick-nav { position: fixed; z-index: 9998; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); height: 58px; padding: 5px 8px; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(11,16,36,.94); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; box-shadow: 0 18px 38px rgba(10,16,40,.28); }
    .mobile-quick-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: #B9C3E3; text-decoration: none; font-size: 11px; border-radius: 13px; }
    .mobile-quick-nav a span { font-size: 18px; line-height: 1; }
    .mobile-quick-nav a.active { background: rgba(91,108,255,.28); color: #fff; }
}