:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --soft-blue: #EAF7FF;
    --soft-gold: #FFF4D6;
    --highlight: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --light-muted: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --border: rgba(91,108,255,0.18);
    --shadow: 0 20px 46px rgba(25,43,91,0.14);
    --radius: 24px;
    --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--highlight); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 12000; background: #fff; color: var(--deep); padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); }
.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 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; flex: 0 0 auto; }
.site-logo:hover { color: #fff; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.site-logo strong { font-size: 1.35rem; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; font-size: .95rem; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #FFFFFF; background: rgba(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.main-btn, .secondary-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 10px 20px;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn { background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); color: #FFFFFF; box-shadow: 0 14px 32px rgba(91,108,255,0.22); }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,0.3); }
.secondary-btn { border: 1px solid rgba(91,108,255,.28); background: rgba(255,255,255,.8); color: var(--brand); }
.menu-toggle { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 10px; background: #fff; }
.menu-toggle-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,11,27,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; right: 0; top: 0; width: min(400px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(11,16,36,.25); transform: translateX(105%); transition: transform .25s ease; overflow-y: auto; }
.site-drawer.is-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); }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--deep); font-size: 1.8rem; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 20px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 11px 13px; border-radius: 14px; background: #F5F7FF; color: var(--deep); }
.drawer-nav a:hover, .drawer-nav a.active { background: linear-gradient(135deg, rgba(91,108,255,.12), rgba(0,212,255,.14)); color: var(--brand); }
.drawer-note { margin-top: 22px; padding: 14px; border-radius: 16px; background: var(--soft-gold); color: #685325; font-size: .9rem; }
main { min-height: 60vh; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 76px 0; }
.section-tight { padding: 44px 0; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .82rem; }
.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(--title); line-height: 1.2; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 7vw, 5.6rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.025em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 760px; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero-home { position: relative; overflow: hidden; padding: 72px 0 56px; background: radial-gradient(circle at 16% 18%, rgba(122,92,255,.22), transparent 32%), radial-gradient(circle at 82% 22%, rgba(0,212,255,.2), transparent 28%), linear-gradient(135deg, #F8F7FF 0%, #ECF7FF 52%, #FFF6FB 100%); }
.hero-home::after { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; bottom: -220px; border-radius: 50%; background: rgba(255,200,87,.18); filter: blur(10px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 48px; }
.hero-copy h1 { margin: 10px 0 12px; }
.hero-subtitle { font-size: clamp(1.45rem, 3vw, 2.4rem); font-weight: 800; color: var(--deep); margin-bottom: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points span { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid rgba(91,108,255,.14); color: var(--deep); font-weight: 700; font-size: .9rem; }
.hero-visual { position: relative; min-width: 0; }
.hero-visual img { width: 100%; max-height: 610px; object-fit: contain; filter: drop-shadow(0 28px 50px rgba(22,33,62,.23)); }
.floating-note { position: absolute; left: -20px; bottom: 24px; width: min(260px, 68%); padding: 15px 18px; border-radius: 18px; background: rgba(17,24,47,.94); color: #fff; box-shadow: var(--shadow); }
.floating-note strong { display: block; color: var(--cyan); margin-bottom: 4px; }
.highlight-strip { margin-top: -18px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
.highlight-item { padding: 22px; background: #fff; border-right: 1px solid var(--border); }
.highlight-item:last-child { border-right: 0; }
.highlight-item b { color: var(--brand); display: block; margin-bottom: 6px; }
.highlight-item p { color: var(--muted); font-size: .92rem; margin: 0; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-nav a { flex: 1 1 190px; padding: 15px 17px; border-radius: 18px; background: #fff; border: 1px solid var(--border); color: var(--deep); }
.pill-nav a strong { display: block; color: var(--brand); margin-bottom: 3px; }
.pill-nav a span { color: var(--muted); font-size: .88rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.split-wide { display: grid; grid-template-columns: .92fr 1.08fr; gap: 42px; align-items: center; }
.media-card { overflow: hidden; }
.media-card img, .feature-card img, .content-image { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg, #EEF2FF, #EFFBFF); }
.media-card .card-body, .feature-card .card-body { padding: 28px; }
.feature-list { display: grid; gap: 14px; margin-top: 22px; }
.feature-row { display: grid; grid-template-columns: 44px 1fr; gap: 13px; align-items: start; }
.feature-icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(91,108,255,.14), rgba(0,212,255,.16)); color: var(--brand); font-weight: 900; }
.feature-row h3 { margin-bottom: 5px; }
.feature-row p { color: var(--muted); margin: 0; }
.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.three-grid .feature-card { overflow: hidden; }
.safety-panel { background: linear-gradient(135deg, #11182F 0%, #172247 55%, #172B4F 100%); color: #EEF2FF; border-radius: 30px; padding: 42px; overflow: hidden; position: relative; }
.safety-panel h2, .safety-panel h3 { color: #fff; }
.safety-panel p { color: #C9D2F0; }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.safety-images { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.safety-images img { width: 100%; height: 260px; object-fit: contain; border-radius: 22px; background: rgba(255,255,255,.06); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; justify-content: space-between; color: var(--deep); font-weight: 700; }
.review-meta span { color: var(--gold); letter-spacing: .06em; }
.faq-list { display: grid; gap: 12px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 0 20px; box-shadow: 0 12px 28px rgba(25,43,91,.07); }
summary { cursor: pointer; color: var(--title); font-weight: 800; padding: 18px 30px 18px 0; position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 15px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: #EEF1FF; color: var(--brand); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-bottom: 18px; margin: 0; }
.notice { padding: 24px 26px; border-radius: 20px; background: var(--soft-gold); border: 1px solid rgba(255,200,87,.4); color: #5D4B24; }
.notice strong { color: #433310; }
.inner-hero { padding: 66px 0; background: radial-gradient(circle at 86% 16%, rgba(0,212,255,.18), transparent 28%), radial-gradient(circle at 14% 12%, rgba(122,92,255,.18), transparent 32%), linear-gradient(135deg, #F8F7FF, #EEF8FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.inner-hero h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); margin: 12px 0 18px; }
.inner-hero img { width: 100%; max-height: 500px; object-fit: contain; filter: drop-shadow(0 28px 48px rgba(22,33,62,.18)); }
.intro-copy { display: grid; gap: 18px; }
.intro-copy p { font-size: 1.05rem; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { padding: 26px; }
.service-card .number { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, rgba(91,108,255,.14), rgba(0,212,255,.16)); color: var(--brand); font-weight: 900; margin-bottom: 18px; }
.service-card p { color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; padding: 22px 22px 22px 76px; background: #fff; border: 1px solid var(--border); border-radius: 18px; position: relative; }
.step::before { content: counter(step, decimal-leading-zero); position: absolute; left: 20px; top: 20px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 13px; background: var(--deep); color: #fff; font-weight: 800; }
.step h3 { margin-bottom: 7px; }
.step p { color: var(--muted); margin: 0; }
.page-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 58px 0 24px; }
.footer-grid { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 34px; }
.footer-logo { margin-bottom: 18px; }
.footer-brand p { color: #AEB8D5; max-width: 420px; }
.footer-grid h2 { font-size: 1rem; color: #fff; margin-bottom: 14px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 8px; }
.footer-grid a { color: #C7D0ED; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 34px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); color: #909BB8; font-size: .88rem; }
.footer-bottom p { margin: 4px 0; }
.mobile-quick-nav { display: none; }
@media (max-width: 1040px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 9px; font-size: .88rem; }
    .hero-grid, .inner-hero-grid, .split-wide { grid-template-columns: 1fr; }
    .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: 720px; margin: 0 auto; }
    .review-grid { grid-template-columns: 1fr 1fr; }
    .three-grid { grid-template-columns: 1fr 1fr; }
    .service-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; display: grid; grid-template-columns: repeat(4, 1fr); align-items: start; }
    .footer-grid > div:last-child h2 { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
    .header-inner { min-height: 64px; padding: 0 14px; gap: 10px; }
    .nav-core, .menu-toggle-desktop { display: none; }
    .menu-toggle-mobile { display: inline-flex; }
    .site-header .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-header .site-logo img { width: 38px; height: 38px; }
    .site-header .site-logo strong { display: none; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 38px; padding: 8px 14px; font-size: .88rem; }
    .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, .safety-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid > div:last-child { grid-column: auto; display: flex; }
}
@media (max-width: 640px) {
    body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
    .container { width: min(100% - 26px, var(--max)); }
    .section { padding: 54px 0; }
    .section-tight { padding: 34px 0; }
    .hero-home { padding: 48px 0 38px; }
    .hero-grid, .inner-hero-grid { gap: 30px; }
    .hero-copy { text-align: left; }
    .hero-copy .lead { margin: 0; }
    .hero-actions, .hero-points { justify-content: flex-start; }
    .floating-note { position: static; width: 100%; margin-top: 10px; }
    .highlight-strip { margin-top: 0; }
    .highlight-grid, .review-grid, .three-grid, .service-grid { grid-template-columns: 1fr; }
    .highlight-item { border-right: 0; border-bottom: 1px solid var(--border); }
    .highlight-item:last-child { border-bottom: 0; }
    .safety-panel { padding: 26px; border-radius: 24px; }
    .safety-images img { height: 180px; }
    .inner-hero { padding: 46px 0; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { left: 0; right: auto; transform: translateX(-105%); }
    .site-drawer.is-open { transform: translateX(0); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
    .mobile-quick-nav { position: fixed; left: 10px; right: 10px; bottom: calc(8px + env(safe-area-inset-bottom)); z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(11,16,36,.95); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; box-shadow: 0 16px 40px rgba(11,16,36,.28); }
    .mobile-quick-nav a { color: #EEF2FF; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 9px 4px; font-size: .78rem; }
    .mobile-quick-nav span { color: var(--cyan); font-size: 1.05rem; }
    .page-cta .main-btn, .page-cta .secondary-btn { flex: 1 1 100%; }
}