:root {
    --bg: #F5F7FF;
    --header: rgba(12,18,40,.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --purple: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --line: 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; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--header); 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: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; white-space: nowrap; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; }
.site-logo span { font-size: 20px; letter-spacing: .5px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; }
.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: 10px; }
.main-btn, .secondary-btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 22px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { background: #fff; color: var(--brand); border: 1px solid var(--line); }
.menu-toggle { width: 44px; height: 44px; padding: 10px; 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: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; background: #fff; border-radius: 9px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,24,.56); opacity: 0; visibility: hidden; transition: .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px, 92vw); height: 100dvh; z-index: 10001; padding: 24px; background: #fff; box-shadow: -24px 0 60px rgba(16,25,60,.24); transform: translateX(102%); transition: transform .3s ease; overflow-y: auto; }
.drawer-open { overflow: hidden; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); text-decoration: none; font-size: 20px; }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border-radius: 50%; border: 0; background: #EEF1FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-intro { color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; margin: 18px 0; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; padding: 11px 13px; border-radius: 13px; text-decoration: none; background: #F6F7FF; color: var(--text); border: 1px solid transparent; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--brand); border-color: var(--line); background: #EFF2FF; }
.drawer-safe { padding: 15px; border-radius: 16px; background: #FFF7DF; color: #6D5421; font-size: 13px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 78px 0; }
.section-sm { padding: 42px 0; }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-kicker { display: inline-block; margin-bottom: 8px; color: var(--purple); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(40px, 7vw, 78px); letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 21px; }
p { margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); }
.muted { 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 72px; background: radial-gradient(circle at 12% 18%, rgba(122,92,255,.20), transparent 30%), radial-gradient(circle at 82% 12%, rgba(0,212,255,.18), transparent 28%), linear-gradient(145deg,#F7F1FF,#EFFBFF 55%,#FFF6FB); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 180px; height: 180px; right: 8%; bottom: -70px; background: rgba(255,200,87,.2); }
.hero::after { width: 100px; height: 100px; left: 5%; top: 16%; background: rgba(217,79,112,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 55px; }
.hero-title-small { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: rgba(91,108,255,.1); color: var(--brand); font-weight: 800; margin-bottom: 16px; }
.hero h1 span { display: block; font-size: .42em; margin-top: 12px; color: var(--deep); letter-spacing: -.02em; }
.hero-copy .lead { max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid rgba(91,108,255,.15); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 28px 40px rgba(39,55,112,.18)); }
.floating-note { position: absolute; max-width: 220px; padding: 13px 16px; border-radius: 17px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); color: var(--deep); font-size: 13px; }
.floating-note.one { left: -16px; bottom: 12%; }
.floating-note.two { right: 0; top: 12%; }
.highlight-bar { position: relative; z-index: 2; margin-top: -28px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 24px; }
.highlight-item + .highlight-item { border-left: 1px solid #EEF0FA; }
.highlight-item b { display: block; color: var(--title); margin-bottom: 5px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-link { flex: 1 1 200px; min-width: 0; padding: 16px 18px; border-radius: 18px; text-decoration: none; background: rgba(255,255,255,.72); border: 1px solid var(--line); }
.pill-link strong { display: block; color: var(--title); }
.pill-link small { color: var(--muted); }
.pill-link:hover { background: #fff; box-shadow: 0 12px 26px rgba(25,43,91,.1); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.split.reverse .media { order: 2; }
.media img, .content-img { width: 100%; max-height: 540px; object-fit: contain; border-radius: 26px; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.soft-card { background: linear-gradient(145deg,#fff,#F1F5FF); }
.dark-card { background: #11182F; color: #EEF2FF; border-color: transparent; }
.dark-card h2, .dark-card h3 { color: #fff; }
.card-pad { padding: 30px; }
.card-grid-2, .card-grid-3, .card-grid-4 { display: grid; gap: 22px; }
.card-grid-2 { grid-template-columns: repeat(2,1fr); }
.card-grid-3 { grid-template-columns: repeat(3,1fr); }
.card-grid-4 { grid-template-columns: repeat(4,1fr); }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #F0F5FF; }
.zone-card .body { padding: 25px; }
.feature-list { list-style: none; margin: 20px 0; padding: 0; display: grid; gap: 11px; }
.feature-list li { position: relative; padding-left: 30px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: rgba(91,108,255,.12); color: var(--brand); font-weight: 900; font-size: 12px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 16px 0; }
.tag { padding: 6px 10px; border-radius: 999px; background: #FFF6D9; color: #79601F; font-size: 13px; font-weight: 700; }
.accent-section { background: linear-gradient(135deg,#11182F,#1D2850); color: #E9EEFF; }
.accent-section h2, .accent-section h3 { color: #fff; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--title); }
.faq-list { display: grid; gap: 14px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 17px; padding: 0 20px; }
summary { list-style: none; cursor: pointer; padding: 18px 34px 18px 0; color: var(--title); font-weight: 800; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 13px; font-size: 26px; color: var(--brand); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-bottom: 18px; }
.notice { padding: 24px; border-radius: 22px; background: #FFF5DB; border: 1px solid rgba(255,200,87,.35); color: #665126; }
.cta-band { padding: 35px; border-radius: 28px; display: flex; justify-content: space-between; align-items: center; gap: 28px; background: linear-gradient(135deg,#5B6CFF,#7A5CFF 52%,#00BFEA); color: #fff; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.86); }
.cta-band .secondary-btn { flex-shrink: 0; }
.inner-hero { padding: 66px 0; background: radial-gradient(circle at 78% 20%,rgba(0,212,255,.16),transparent 28%), linear-gradient(135deg,#F3EEFF,#EFFBFF); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 45px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px,6vw,64px); }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 25px 38px rgba(36,48,104,.16)); }
.stat-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 25px; }
.stat-strip div { padding: 14px; border-radius: 15px; background: rgba(255,255,255,.78); border: 1px solid var(--line); }
.stat-strip b { display: block; color: var(--title); }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.step { counter-increment: step; padding: 25px; background: #fff; border-radius: 20px; border: 1px solid var(--line); }
.step::before { content: "0" counter(step); display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--gradient); color: #fff; font-weight: 800; margin-bottom: 14px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 22px; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.35fr; gap: 70px; }
.footer-brand p { max-width: 500px; color: #AEB8D3; margin-top: 16px; }
.footer-logo img { width: 48px; height: 48px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 25px; }
.footer-links h3 { color: #fff; font-size: 16px; }
.footer-links a { display: block; margin: 9px 0; color: #AEB8D3; text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(1180px, 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: #B7C1DA; text-decoration: none; margin-left: 16px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
    .nav-core { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .desktop-menu-toggle { display: none; }
    .hero-grid, .inner-hero-grid, .split, .footer-inner { 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: 660px; margin: 0 auto; }
    .split.reverse .media { order: 0; }
    .card-grid-4, .card-grid-3 { grid-template-columns: repeat(2,1fr); }
    .review-grid { grid-template-columns: repeat(2,1fr); }
    .footer-inner { gap: 35px; }
}
@media (max-width: 720px) {
    body { padding-bottom: 72px; }
    .header-inner { min-height: 62px; padding: 0 12px; gap: 8px; }
    .site-logo span { font-size: 17px; }
    .site-logo img { width: 38px; height: 38px; }
    .header-cta { min-height: 38px; padding: 8px 13px; font-size: 13px; }
    .menu-toggle { width: 38px; height: 38px; border-radius: 12px; }
    .desktop-menu-toggle { display: none; }
    .container { width: min(100% - 26px, 1180px); }
    .section { padding: 58px 0; }
    .hero { padding: 58px 0 52px; }
    .hero h1 { font-size: 48px; }
    .floating-note { position: static; margin: 10px 0; max-width: none; text-align: left; }
    .highlight-bar { margin-top: -18px; }
    .highlight-grid { grid-template-columns: 1fr 1fr; }
    .highlight-item { padding: 18px; }
    .highlight-item + .highlight-item { border-left: 0; }
    .highlight-item:nth-child(even) { border-left: 1px solid #EEF0FA; }
    .highlight-item:nth-child(n+3) { border-top: 1px solid #EEF0FA; }
    .card-grid-2, .card-grid-3, .card-grid-4, .review-grid, .steps, .stat-strip, .footer-links { grid-template-columns: 1fr; }
    .card-pad { padding: 23px; }
    .cta-band { padding: 28px 22px; flex-direction: column; align-items: flex-start; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-inner, .footer-bottom { width: min(100% - 30px, 1180px); }
    .footer-bottom { flex-direction: column; }
    .footer-bottom a { margin: 0 14px 0 0; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 8px; z-index: 9998; display: grid; grid-template-columns: repeat(4,1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.95); backdrop-filter: blur(12px); box-shadow: 0 15px 40px rgba(15,23,53,.28); }
    .mobile-bottom-nav a { color: #C8D0E6; text-decoration: none; text-align: center; font-size: 11px; }
    .mobile-bottom-nav a span { width: 27px; height: 27px; margin: 0 auto 2px; display: grid; place-items: center; border-radius: 9px; background: rgba(255,255,255,.08); font-size: 12px; }
    .mobile-bottom-nav a.active, .mobile-bottom-nav a:hover { color: #fff; }
    .mobile-bottom-nav a.active span { background: var(--gradient); }
}